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Search - "code != network"
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!rant
After over 20 years as a Software Engineer, Architect, and Manager, I want to pass along some unsolicited advice to junior developers either because I grew through it, or I've had to deal with developers who behaved poorly:
1) Your ego will hurt you FAR more than your junior coding skills. Nobody expects you to be the best early in your career, so don't act like you are.
2) Working independently is a must. It's okay to ask questions, but ask sparingly. Remember, mid and senior level guys need to focus just as much as you do, so before interrupting them, exhaust your resources (Google, Stack Overflow, books, etc..)
3) Working code != good code. You are an author. Write your code so that it can be read. Accept criticism that may seem trivial such as renaming a variable or method. If someone is suggesting it, it's because they didn't know what it did without further investigation.
4) Ask for peer reviews and LISTEN to the critique. Even after 20+ years, I send my code to more junior developers and often get good corrections sent back. (remember the ego thing from tip #1?) Even if they have no critiques for me, sometimes they will see a technique I used and learn from that. Peer reviews are win-win-win.
5) When in doubt, do NOT BS your way out. Refer to someone who knows, or offer to get back to them. Often times, persons other than engineers will take what you said as gospel. If that later turns out to be wrong, a bunch of people will have to get involved to clean up the expectations.
6) Slow down in order to speed up. Always start a task by thinking about the very high level use cases, then slowly work through your logic to achieve that. Rushing to complete, even for senior engineers, usually means less-than-ideal code that somebody will have to maintain.
7) Write documentation, always! Even if your company doesn't take documentation seriously, other engineers will remember how well documented your code is, and they will appreciate you for it/think of you next time that sweet job opens up.
8) Good code is important, but good impressions are better. I have code that is the most embarrassing crap ever still in production to this day. People don't think of me as "that shitty developer who wrote that ugly ass code that one time a decade ago," They think of me as "that developer who was fun to work with and busted his ass." Because of that, I've never been unemployed for more than a day. It's critical to have a good network and good references.
9) Don't shy away from the unknown. It's easy to hope somebody else picks up that task that you don't understand, but you wont learn it if they do. The daunting, unknown tasks are the most rewarding to complete (and trust me, other devs will notice.)
10) Learning is up to you. I can't tell you the number of engineers I passed on hiring because their answer to what they know about PHP7 was: "Nothing. I haven't learned it yet because my current company is still using PHP5." This is YOUR craft. It's not up to your employer to keep you relevant in the job market, it's up to YOU. You don't always need to be a pro at the latest and greatest, but at least read the changelog. Stay abreast of current technology, security threats, etc...
These are just a few quick tips from my experience. Others may chime in with theirs, and some may dispute mine. I wish you all fruitful careers!221 -
Got this from a recruiter:
We are looking for a **Senior Android Developer/Lead** at Philadelphia PA
Hiring Mode: Contract
Must have skills:
· 10-12 years mobile experience in developing Android applications
· Solid understanding of Android SDK on frameworks such as: UIKit, CoreData, CoreFoundation, Network Programming, etc.
· Good Knowledge on REST Ful API and JSON Parsing
· Good knowledge on multi-threaded environment and grand central dispatch
· Advanced object-oriented programming and knowledge of design patterns
· Ability to write clean, well-documented, object-oriented code
· Ability to work independently
· Experience with Agile Driven Development
· Up to date with the latest mobile technology and development trends
· Passion for software development- embracing every challenge with a drive to solve it
· Engaging communication skills
My response:
I am terribly sorry but I am completely not interested in working for anyone who might think that this is a job description for an Android engineer.
1. Android was released in September 2008 so finding anyone with 10 years experience now would have to be a Google engineer.
2. UIKit, CoreData, CoreFoundation are all iOS frameworks
3. Grand Central Dispatch is an iOS mechanism for multithreading and is not in Android
4. There are JSON parsing frameworks, no one does that by hand anymore
Please delete me from your emailing list.49 -
Developer (master's degree, -bleeping- smart guy, no kidding) was bragging on how he made a piece of code 3x faster (with the usual pinch that the original dev was incompetent) and spent nearly 6 weeks working on it (wrote his own parallel-foreach library because Microsoft's parallel library was "too slow").
I was the original dev and he didn't know I had my own performance counters where I broke down each stack (database access, network I/O, and the code logic).
Average time was around 5ms (yes milliseconds) and worst case was around 10 seconds. His '3x improvement' was based on the worst test case, which improved by about a second. Showed our boss my graph (laughed out loud, said 'WTF', other curse words) and the dev hasn't spoken to me in weeks (I say 'hi' in the hall and he keeps walking)
Take that master's degree and high IQ and shove it.17 -
wk87 is a dangerous topic for me, i've been through a lot. I apologise for what I am about to inflict on this network over the coming week.
Most incompetent co-worker, candidate 1, "T".
T was an embedded C developer who talked openly about how he's been writing code since he was 14, knew all the C system libraries and functions like the back of his hand. For the most part, he did ... but not how to actually use them, as (based on his shocking ... well everything) he was inflicted by some sort of brain disorder not yet fully understood by medical science. Some highlights:
- Myself and the CTO spent 4 days teaching him what a circle buffer was and how to build one.
- His final circle buffer implementation had about 3 times as much code as he actually needed.
- When the code was running too slowly on the device, we didn't try find any performance improvements, or debug anything to see if there was anything taking too long. No not with T, T immediately blamed TCP for being inefficient.
- After he left we found a file called "TCP-Light" in his projects folder.
- He accused the CTO of having "violent tendencies" because he was playing with a marker tossing it up in the air and catching it.
- He once managed to leave his bank statements, jumper and TROUSERS in the bathroom and didn't realise until a building wide email went out.
- He once .... no hang on, seriously his fucking trousers, how?
- He accused us all of being fascists because we gave out to him for not driving with his glasses, despite the fact his license says he needs to (blind as a bat).
... why were his trousers off in the first place? and how do you forget ... or miss the pile of clothes and letters in a small bathroom.
Moving on, eventually he was fired, but the most depressing thing of all about T, is that he might not even be top of my list.
Tune in later for more practiceSafeHex's most incompetent co-worker!!!11 -
So I told my wife one week ago: "Yeah, you should totally learn to code as well!"
Yesterday a package arrived, containing a really beautiful hardcover book bound in leather, with a gold foil image of a snake debossed into the cover, with the text "In the face of ambiguity -- Refuse the temptation to guess" on it.
Well, OK, that's weird.
My wife snatches it and says: "I had that custom made by a book binder". I flip through it. It contains the Python 3.9 language reference, and the PEP 8 styleguide.
While I usually dislike paper dev books because they become outdated over time, I'm perplexed by this one, because of how much effort and craftsmanship went in to it. I'm even a little jealous.
So, this morning I was putting dishes into the dishwasher, and she says: "Please let me do that". I ask: "Am I doing anything wrong?"
Wife responds: "Well, it's not necessarily wrong, I mean, it works, doesn't it? But your methods aren't very pythonic. Your conventions aren't elegant at all". I don't think I've heard anyone say the word "pythonic" to me in over a decade.
And just now my wife was looking over my shoulder as I was debugging some lower level Rust code filled with network buffers and hex literals, and she says: "Pffffff unbelievable, I thought you were a senior developer. That code is really bad, there are way too many abbreviated things. Readability counts! I bet if you used Python, your code would actually work!"
I think I might have released something really evil upon the world.29 -
Biggest hurdle: torn between having boobs and missing an arm. I swear some people are under the assumption the brain is in the arm.
I am fully capable of building your network, resolving your outage due to your faulty code, can even tell you how many users your database can support at once. I don't need arms for that. Nor do my boobs distract me that badly.
"but men are going to make your life so hard" yup. And that's true no matter where i go
"all that typing with one arm can't be good for your back" welp. Find me a job that doesn't require a computer. Or manual labor. If you think typing will fuck me up, that's DEFINITELY out of the equation
"you're too pretty, there's no way this can make sense" dafuq you just say?!?!
"why don't you just stay home on disability, I'm sure you qualify, you wouldn't need to work" I'd rather be a fucking trophy wife if I'm staying at home. Fuck that.
And many more.
Sometimes they're fun. Give me more dumb arguments to counter? ;)55 -
In a user-interface design meeting over a regulatory compliance implementation:
User: “We’ll need to input a city.”
Dev: “Should we validate that city against the state, zip code, and country?”
User: “You are going to make me enter all that data? Ugh…then make it a drop-down. I select the city and the state, zip code auto-fill. I don’t want to make a mistake typing any of that data in.”
Me: “I don’t think a drop-down of every city in the US is feasible.”
Manage: “Why? There cannot be that many. Drop-down is fine. What about the button? We have a few icons to choose from…”
Me: “Uh..yea…there are thousands of cities in the US. Way too much data to for anyone to realistically scroll through”
Dev: “They won’t have to scroll, I’ll filter the list when they start typing.”
Me: “That’s not really the issue and if they are typing the city anyway, just let them type it in.”
User: “What if I mistype Ch1cago? We could inadvertently be out of compliance. The system should never open the company up for federal lawsuits”
Me: “If we’re hiring individuals responsible for legal compliance who can’t spell Chicago, we should be sued by the federal government. We should validate the data the best we can, but it is ultimately your department’s responsibility for data accuracy.”
Manager: “Now now…it’s all our responsibility. What is wrong with a few thousand item drop-down?”
Me: “Um, memory, network bandwidth, database storage, who maintains this list of cities? A lot of time and resources could be saved by simply paying attention.”
Manager: “Memory? Well, memory is cheap. If the workstation needs more memory, we’ll add more”
Dev: “Creating a drop-down is easy and selecting thousands of rows from the database should be fast enough. If the selection is slow, I’ll put it in a thread.”
DBA: “Table won’t be that big and won’t take up much disk space. We’ll need to setup stored procedures, and data import jobs from somewhere to maintain the data. New cities, name changes, ect. ”
Manager: “And if the network starts becoming too slow, we’ll have the Networking dept. open up the valves.”
Me: “Am I the only one seeing all the moving parts we’re introducing just to keep someone from misspelling ‘Chicago’? I’ll admit I’m wrong or maybe I’m not looking at the problem correctly. The point of redesigning the compliance system is to make it simpler, not more complex.”
Manager: “I’m missing the point to why we’re still talking about this. Decision has been made. Drop-down of all cities in the US. Moving on to the button’s icon ..”
Me: “Where is the list of cities going to come from?”
<few seconds of silence>
Dev: “Post office I guess.”
Me: “You guess?…OK…Who is going to manage this list of cities? The manager responsible for regulations?”
User: “Thousands of cities? Oh no …no one is our area has time for that. The system should do it”
Me: “OK, the system. That falls on the DBA. Are you going to be responsible for keeping the data accurate? What is going to audit the cities to make sure the names are properly named and associated with the correct state?”
DBA: “Uh..I don’t know…um…I can set up a job to run every night”
Me: “A job to do what? Validate the data against what?”
Manager: “Do you have a point? No one said it would be easy and all of those details can be answered later.”
Me: “Almost done, and this should be easy. How many cities do we currently have to maintain compliance?”
User: “Maybe 4 or 5. Not many. Regulations are mostly on a state level.”
Me: “When was the last time we created a new city compliance?”
User: “Maybe, 8 years ago. It was before I started.”
Me: “So we’re creating all this complexity for data that, realistically, probably won’t ever change?”
User: “Oh crap, you’re right. What the hell was I thinking…Scratch the drop-down idea. I doubt we’re have a new city regulation anytime soon and how hard is it to type in a city?”
Manager: “OK, are we done wasting everyone’s time on this? No drop-down of cities...next …Let’s get back to the button’s icon …”
Simplicity 1, complexity 0.16 -
Worst thing you've seen another dev do? Long one, but has a happy ending.
Classic 'Dev deploys to production at 5:00PM on a Friday, and goes home.' story.
The web department was managed under the the Marketing department, so they were not required to adhere to any type of coding standards and for months we fought with them on logging. Pre-Splunk, we rolled our own logging/alerting solution and they hated being the #1 reason for phone calls/texts/emails every night.
Wanting to "get it done", 'Tony' decided to bypass the default logging and send himself an email if an exception occurred in his code.
At 5:00PM on a Friday, deploys, goes home.
Around 11:00AM on Sunday (a lot folks are still in church at this time), the VP of IS gets a call from the CEO (who does not go to church) about unable to log into his email. VP has to leave church..drive home and find out he cannot remote access the exchange server. He starts making other phone calls..forcing the entire networking department to drive in and get email back up (you can imagine not a group of happy people)
After some network-admin voodoo, by 12:00, they discover/fix the issue (know it was Tony's email that was the problem)
We find out Monday that not only did Tony deploy at 5:00 on a Friday, the deployment wasn't approved, had features no one asked for, wasn't checked into version control, and the exception during checkout cost the company over $50,000 in lost sales.
Was Tony fired? Noooo. The web is our cash cow and Tony was considered a top web developer (and he knew that), Tony decided to blame logging. While in the discovery meeting, Tony told the bosses that it wasn't his fault logging was so buggy and caused so many phone calls/texts/emails every night, if he had been trained properly, this problem could have been avoided.
Well, since I was responsible for logging, I was next in the hot seat.
For almost 30 minutes I listened to every terrible thing I had done to Tony ever since he started. I was a terrible mentor, I was mean, I was degrading, etc..etc.
Me: "Where is this coming from? I barely know Tony. We're not even in the same building. I met him once when he started, maybe saw him a couple of times in meetings."
Andrew: "Aren't you responsible for this logging fiasco?"
Me: "Good Lord no, why am I here?"
Andrew: "I'll rephrase so you'll understand, aren't you are responsible for the proper training of how developers log errors in their code? This disaster is clearly a consequence of your failure. What do you have to say for yourself?"
Me: "Nothing. Developers are responsible for their own choices. Tony made the choice to bypass our logging and send errors to himself, causing Exchange to lockup and losing sales."
Andrew: "A choice he made because he was not properly informed of the consequences? Again, that is a failure in the proper use of logging, and why you are here."
Me: "I'm done with this. Does John know I'm in here? How about you get John and you talk to him like that."
'John' was the department head at the time.
Andrew:"John, have you spoken to Tony?"
John: "Yes, and I'm very sorry and very disappointed. This won't happen again."
Me: "Um...What?"
John: "You know what. Did you even fucking talk to Tony? You just sit in your ivory tower and think your actions don't matter?"
Me: "Whoa!! What are you talking about!? My responsibility for logging stops with the work instructions. After that if Tony decides to do something else, that is on him."
John: "That is not how Tony tells it. He said he's been struggling with your logging system everyday since he's started and you've done nothing to help. This behavior ends today. We're a fucking team. Get off your damn high horse and help the little guy every once in a while."
Me: "I don't know what Tony has been telling you, but I barely know the guy. If he has been having trouble with the one line of code to log, this is the first I've heard of it."
John: "Like I said, this ends today. You are going to come up with a proper training class and learn to get out and talk to other people."
Over the next couple of weeks I become a powerpoint wizard and 'train' anyone/everyone on the proper use of logging. The one line of code to log. One line of code.
A friend 'Scott' sits close to Tony (I mean I do get out and know people) told me that Tony poured out the crocodile tears. Like cried and cried, apologizing, calling me everything but a kitchen sink,...etc. It was so bad, his manager 'Sally' was crying, her boss 'Andrew', was red in the face, when 'John' heard 'Sally' was crying, you can imagine the high levels of alpha-male 'gotta look like I'm protecting the females' hormones flowing.
Took almost another year, Tony released a change on a Friday, went home, web site crashed (losses were in the thousands of $ per minute this time), and Tony was not let back into the building on Monday (one of the best days of my life).10 -
Smart India Hackathon: Horrible experience
Background:- Our task was to do load forecasting for a given area. Hourly energy consumption data for past 5 years was given to us.
One government official asks the following questions:-
1. Why are you using deep learning for the project? Why are you not doing data analysis?
2. Which neural network "algorithm" you are using? He wanted to ask which model we are using, but he didn't have a single clue about Neural Networks.
3. Why are you using libraries? Why not your own code?
Here comes the biggest one,
4. Why haven't you developed your own "algorithm" (again, he meant model)? All you have done is used sone library. Where is "novelty" in your project?
I just want to say that if you don't know anything about ML/AI, then don't comment anything about it. And worst thing was, he was not ready to accept the fact that for capturing temporal dependencies where underlying probability distribution ia unknown, deep learning performs much better than traditional data analysis techniques.
After hearing his first question, second one was not a surprise for us. We were expecting something like that. For a few moments, we were speechless. Then one of us started by showing neural network architecture. But after some time, he rudely repeated the same question, "where is the algorithm". We told him every fucking thing used in the project, ranging from RMSprop optimizer to Backpropagation through time algorithm to mean squared loss error function.
Then very calmly, he asked third question, why are you using libraries? That moron wanted us to write a whole fucking optimized library. We were speechless at this question. Finally, one of us told him the "obvious" answer. We were completely demotivated. But it didnt end here. The real question was waiting. At the end, after listening to all of us, he dropped the final bomb, WHY HAVE YOU USED A NEURAL NETWORK "ALGORITHM" WHICH HAS ALREADY BEEN IMPLEMENTED? WHY DIDN'T YOU MAKE YOU OWN "ALGORITHM"? We again stated the obvious answer that it takes atleast an year or two of continuous hardwork to develop a state of art algorithm, that too when gou build it on top of some existing "algorithm". After listening to this, he left. His final response was "Try to make a new "algorithm"".
Needless to say, we were completely demotivated after this evaluation. We all had worked too hard for this. And we had ability to explain each and every part of the project intuitively and mathematically, but he was not even ready to listen.
Now, all of us are sitting aimlessly, waiting for Hackathon to end.😢😢😢😢😢25 -
Excuse the profuse amount of profanity below.
Fuck this fucking fucked up motherfucker of a fucking director. Money does not make you a fucking decent person, and you come in here and tell me that you pay my fucking measly salary so I must be fucking grateful.
Starts off with a boardroom meeting this morning. Wireless connection on my laptop takes two minutes to connect, I get told that I am wasting company time and that the salary of everyone in the meeting is quite a lot ("with me being the highest"- cuntface director) so stop wasting time. Fuck you man, it's a fucking wireless connection. I am building your motherfucking company applications and doing web design and for what, so I can earn fuckall and be told that I am fucking wasting time. I am presenting your fucking site you wanted, so give me a fucking minute extra to start up the fucking wireless connection.
The fucking mails are taking long to send, great, let's come down and fucking scream at the dev who regrettably said he would try and assist IT (by calling the provider). I literally just got told that I am the following. 1) Fucking stupid 2) He is going to close the dept down because I apparently fuck up (yet again cuntface, your fucking mailserver is NOT MY FUCKING PROBLEM) 3) He is going to contact an external company to come and check my work. 4) I am fucking useless. 5) I telling him lies (yeah fuckface, I worked as a sys admin, I know what a motherfucking DNS server is and what it does. you don't - so don't fucking tell me that I am lying when I tell you there is a DNS fucking issue, because you don't know what the fuck you are talking about - to top that off motherfucker, I FUCKING BUILT YOUR FUCKING SERVER AND YOUR FUCKING NETWORK. I FUCKING KNOW HOW IT WORKS AND WHAT THE FUCK I AM TALKING ABOUT).
On top of that, I got pushed out of the way of my own PC, my code got some fucked up gibberish in it (because he was trying to minimise my editor and he typed some in it, and now I have to fucking roll-back. He told me I am wasting company time and he will take my shit away from me if I download something again. It is an open network. I downloaded JAVA and fucking updated Sublime. Jesus man. What the fucking fuck.
"why is your gmail open?!?!" because I was testing your emails from an external network. "DON'T FEED ME BULLSHIT" (even though the top mail states "test"). It's the whole fucking "my money determines my dick size" mentality.
That being said, I got told that I need to work overtime, without pay, to resolve IT's issue, even if I have to on the weekend.
That being said,my new Dell that I had just bought (my own) got thrown on the floor and he fucked out of my office. Stupid motherfucker. I fucking earn nothing but cannot leave. I will find another job, and when I do - you can go and fuck yourself and your fucking degrading opinions. I am not fucking stupid, so fuck you.Fuck your company and fuck you. Cunt.33 -
Fucking 20 hour days. Third one this week.
Been at work since 6am, it is now midnight. Spent the morning fixing bush league code mistakes from "expert" onshore developers, and explaining how-to-wipe-your-ass level concepts to some rude cunt who is absolutely going to take credit for my work after I leave.
Now I'm just waiting on this slow boat scp to finish because the invalids the customer hired to manage their infra can't figure out the 3 minute exercise that is standing up a registry, so the container deployment process is fucking export multiple 500mb Redhat images as a tar and ship it across the cripplenet they call a datacenter. And of course the same badmins don't understand rsync and can't manage to get network throughput in a datacenter with a $300M annual budget over 128kbps. I guess that's fast for whatever jugaad horseshit network they're used to.
I've said it before, but it bears repeating. Fuck IBM. They're a cancer and at this point I question the moral compass of anyone who works for them.7 -
Soms week ago a client came to me with the request to restructure the nameservers for his hosting company. Due to the requirements, I soon realised none of the existing DNS servers would be a perfect fit. Me, being a PHP programmer with some decent general linux/server skills decided to do what I do best: write a small nameservers which could execute the zone transfers... in PHP. I proposed the plan to the client and explained to him how this was going to solve all of his problems. He agreed and started worked.
After a few week of reading a dozen RFC documents on the DNS protocol I wrote a DNS library capable of reading/writing the master file format and reading/writing the binary wire format (we needed this anyway, we had some more projects where PHP did not provide is with enough control over the DNS queries). In short, I wrote a decent DNS resolver.
Another two weeks I was working on the actual DNS server which would handle the NOTIFY queries and execute the zone transfers (AXFR queries). I used the pthreads extension to make the server behave like an actual server which can handle multiple request at once. It took some time (in my opinion the pthreads extension is not extremely well documented and a lot of its behavior has to be detected through trail and error, or, reading the C source code. However, it still is a pretty decent extension.)
Yesterday, while debugging some last issues, the DNS server written in PHP received its first NOTIFY about a changed DNS zone. It executed the zone transfer and updated the real database of the actual primary DNS server. I was extremely euphoric and I began to realise what I wrote in the weeks before. I shared the good news the client and with some other people (a network engineer, a server administrator, a junior programmer, etc.). None of which really seemed to understand what I did. The most positive response was: "So, you can execute a zone transfer?", in a kind of condescending way.
This was one of those moments I realised again, most of the people, even those who are fairly technical, will never understand what we programmers do. My euphoric moment soon became a moment of loneliness...21 -
Well, here's the OS rant I promised. Also apologies for no blog posts the past few weeks, working on one but I want to have all the information correct and time isn't my best friend right now :/
Anyways, let's talk about operating systems. They serve a purpose which is the goal which the user has.
So, as everyone says (or, loads of people), every system is good for a purpose and you can't call the mainstream systems shit because they all have their use.
Last part is true (that they all have their use) but defining a good system is up to an individual. So, a system which I'd be able to call good, had at least the following 'features':
- it gives the user freedom. If someone just wants to use it for emailing and webbrowsing, fair enough. If someone wants to produce music on it, fair enough. If someone wants to rebuild the entire system to suit their needs, fair enough. If someone wants to check the source code to see what's actually running on their hardware, fair enough. It should be up to the user to decide what they want to/can do and not up to the maker of that system.
- it tries it's best to keep the security/privacy of its users protected. Meaning, by default, no calling home, no integrating users within mass surveillance programs and no unnecessary data collection.
- Open. Especially in an age of mass surveillance, it's very important that one has the option to check the underlying code for vulnerabilities/backdoors. Can everyone do that, nope. But that doesn't mean that the option shouldn't be there because it's also about transparency so you don't HAVE to trust a software vendor on their blue eyes.
- stability. A system should be stable enough for home users to use. For people who like to tweak around? Also, but tweaking *can* lead to instability and crashes, that's not the systems' responsibility.
Especially the security and privacy AND open parts are why I wouldn't ever voluntarily (if my job would depend on it, sure, I kinda need money to stay alive so I'll take that) use windows or macos. Sure, apple seems to care about user privacy way more than other vendors but as long as nobody can verify that through source code, no offense, I won't believe a thing they say about that because no one can technically verify it anyways.
Some people have told me that Linux is hard to use for new/(highly) a-technical people but looking at my own family and friends who adapted fast as hell and don't want to go back to windows now (and mac, for that matter), I highly doubt that. Sure, they'll have to learn something new. But that was also the case when they started to use any other system for the first time. Possibly try a different distro if one doesn't fit?
Problems - sometimes hard to solve on Linux, no doubt about that. But, at least its open. Meaning that someone can dive in as deep as possible/necessary to solve the problem. That's something which is very difficult with closed systems.
The best example in this case for me (don't remember how I did it by the way) was when I mounted a network drive at boot on windows and Linux (two systems using the same webDav drive). I changed the authentication and both systems weren't in for booting anymore. Hours of searching how to unfuck this on windows - I ended up reinstalling it because I just couldn't find a solution.
On linux, i found some article quite quickly telling to remove the entry for the webdav thingy from fstab. Booted into a root recovery shell, chrooted to the harddrive, removed the entry in fstab and rebooted. BAM. Everything worked again.
So yeah, that's my view on this, I guess ;P31 -
--- GitHub 24-hour outage post mortem ---
As many of you will remember; Github fell over earlier this month and cracked its head on the counter top on the way down. For more or less a full 24 hours the repo-wrangling behemoth had inconsistent data being presented to users, slow response times and failing requests during common user actions such as reporting issues and questioning your career choice in code reviews.
It's been revealed in a post-mortem of the incident (link at the end of the article) that DB replication was the root cause of the chaos after a failing 100G network link was being replaced during routine maintenance. I don't pretend to be a rockstar-ninja-wizard DBA but after speaking with colleagues who went a shade whiter when the term "replication" was used - It's hard to predict where a design decision will bite back and leave you untanging the web of lies and misinformation reported by the databases for weeks if not months after everything's gone a tad sideways.
When the link was yanked out of the east coast DC undergoing maintenance - Github's "Orchestrator" software did exactly what it was meant to do; It hit the "ohshi" button and failed over to another DC that wasn't reporting any issues. The hitch in the master plan was that when connectivity came back up at the east coast DC, Orchestrator was unable to (un)fail-over back to the east coast DC due to each cluster containing data the other didn't have.
At this point it's reasonable to assume that pants were turning funny colours - Monitoring systems across the board started squealing, firing off messages to engineers demanding they rouse from the land of nod and snap back to reality, that was a bit more "on-fire" than usual. A quick call to Orchestrator's API returned a result set that only contained database servers from the west coast - none of the east coast servers had responded.
Come 11pm UTC (about 10 minutes after the initial pant re-colouring) engineers realised they were well and truly backed into a corner, the site was flipped into "Yellow" status and internal mechanisms for deployments were locked out. 5 minutes later an Incident Co-ordinator was dragged from their lair by the status change and almost immediately flipped the site into "Red" status, a move i can only hope was accompanied by all the lights going red and klaxons sounding.
Even more engineers were roused from their slumber to help with the recovery effort, By this point hair was turning grey in real time - The fail-over DB cluster had been processing user data for nearly 40 minutes, every second that passed made the inevitable untangling process exponentially more difficult. Not long after this Github made the call to pause webhooks and Github Pages builds in an attempt to prevent further data loss, causing disruption to those of us using Github as a way of kicking off our deployment processes (myself included, I had to SSH in and run a git pull myself like some kind of savage).
Glossing over several more "And then things were still broken" sections of the post mortem; Clever engineers with their heads screwed on the right way successfully executed what i can only imagine was a large, complex and risky plan to untangle the mess and restore functionality. Github was picked up off the kitchen floor and promptly placed in a comfy chair with a sweet tea to recover. The enormous backlog of webhooks and Pages builds was caught up with and everything was more or less back to normal.
It goes to show that even the best laid plan rarely survives first contact with the enemy, In this case a failing 100G network link somewhere inside an east coast data center.
Link to the post mortem: https://blog.github.com/2018-10-30-...6 -
I think the coolest project I did was a few years ago, it was actually a Minecraft plugin.
I decided to learn Java for Minecraft, and a few months after I started learning Java, I was approached by someone who'd like to work with me to create this full-blown Gun Game style gamemode for Minecraft. I made it clear I didn't have the most knowledge, but I was willing to learn.
We began working on the project, the projects main class was bigger than any project I had worked on. Within a few months, it became one of the more popular plugins out there, even though we were still in an alpha mode. Had nearly 1,000 servers running the plugin, over 10k+ players total testing out the plugin.
Cause of this project, I learnt how to properly organize my code, how to make it efficient, learnt how to network, learned how to properly secure and verify anything being sent by the client, working with dependencies, adding features that can support a bunch of other plugins that other developers had, and a bunch more.
Sadly we couldn't finish the plugin anymore, so we gave someone else the source code who has kept it updated to this day. (I know I didn't provide much insight into what I'm saying and just gave a general overview, got a killer headache.)2 -
I wonder why banks are always so terribly insecure, given how much money there's for grabs in there for hackers.
Just a while ago I got a new prepaid credit card from bpost, our local postal service that for some reason also does banking. The reason for that being that - thank you 'Murica! - a lot of websites out there don't accept anything but credit cards and PayPal. Because who in their right mind wouldn't use credit cards, right?! As it turns out, it's pretty much every European I've spoken to so far.
That aside, I got that card, all fine and dandy, it's part of the Mastercard network so at least I can get my purchases from those shitty American sites that don't accept anything else now. Looked into the manual of it because bpost's FAQ isn't very clear about what my login data for their online customer area now actually is. Not that their instruction manual was either.
I noticed in that manual that apparently the PIN code can't be changed (for "security reasons", totally not the alternative that probably they didn't want to implement it), and that requesting a forgotten PIN code can be done with as little as calling them up, and they'll then send the password - not a reset form, the password itself! IN THE FUCKING MAIL.
Because that's apparently how financial institutions manage their passwords. The fact that they know your password means that they're storing it in plain text, probably in a database with all the card numbers and CVC's next to it. Wouldn't that be a treasure trove for cybercriminals, I wonder? But YOU the customer can't change your password, because obviously YOU wouldn't be able to maintain a secure password, yet THEY are obviously the ones with all the security and should be the ones to take out of YOUR hands the responsibility to maintain YOUR OWN password.
Banking logic. I fucking love it.
As for their database.. I reckon that that's probably written in COBOL too. Because why wouldn't you.23 -
Sooooo me and the lead dev got placed in the wrong job classification at work.
Without sounding too mean, we are placed under the same descriptor and pay scale reserved for secretaries, janitors and the people that do maintenance at work(we work for a college as developers) whilst our cowormer who manages the cms got the correct classification.
The manager went apeshit because the guidelines state that:
Making software products
Administration of dbs
Server maintenance and troubleshooting
Security (network)
And a lot of shit is covered on the exemption list and it is things that we do by a wide fucking margin. The classification would technically prohibit us from developing software and the whole it dptmnt went apeshit over it since he(lead developer) refuses (rightfully so) to touch anything and do basically nothing other than generate reports.
Its a fun situation. While we both got a substantial raise in salary(go figure) we also got demoted at the same time.
There is a department in IT which deals with the databases for other major applications, their title is "programmers" yet for some reason me and the lead end up writing all the sql code that they ever need. They make waaaaay more money than me and the lead do, even in the correct classification.
Resolution: manager is working with the head of the department to correct this blasphemy WHILE asking for a higher pay than even the "programmers"
I love this woman. She has balls man. When the president of the school paraded around the office asking for an update on a high priority app she said that I am being gracious enough to work on it even though i am not supposed to. The fucking prick asked if i could speed it up to where she said that most of my work I do it on my off time, which by law is now something that I cannot do for the school and that she does not expect any of her devs to do jack shit unless shit gets fixed quick. With the correct pay.
Naturally, the president did not like such predicament and thus urged the HR department(which is globally hated now since they fucked up everyone's classification) to fix it.
Dunno if I will get above the pay that she requested. But seeing that royal ammount of LADY BALLS really means something to me. Which is why i would not trade that woman for a job at any of my dream workplaces.
Meanwhile, the level of stress placed my 12 years of service diabetic lead dev at the hospital. Fuck the hr department for real, fuck the vps of the school that fucked this up royally and fuck people in this city in general. I really care for my team, and the lead dev is one of my best friends and a good developer, this shit will not fucking go unnoticed and the HR department is now in low priority level for the software that we build for them
Still. I am amazed to have a manager that actually looks out for us instead of putting a nice face for the pricks that screwed us over.
I have been working since I was 16, went through the Army, am 27 now and it is the first time that I have seen such manager.
She can't read this, but she knows how much I appreciate her.3 -
I JUST FINISHED MY FIRST NEURAL NETWORK!!!
But first of all, as I know you guys, it's spaghetti code and even I as a newb see places where I used too few-dimensional array or passed useless parameters or simply wrote too many redundant lines of code. I know it. I will make it MUCH better next time. Period.
But OMFG this made me scream from happiness today!! Just these few seemingly random numbers... I'm really done.. That's why I jumped into coding year or two ago..
And for some background, I didn't study any IT school, I'm just highschooler (general grammar school) who traded gaming for learning. Also my maths teacher teached NNs on university and is very keen to teach me, so that's that.
Now I wanna make the best out of it and I'm looking forward to write some well documented and flexible library, parallelized and everything (I'm gonna learn a lot in the process of doing this) better then FANN.
Maybe I'm gonna fail(99% probability but hey, I'm programmer beginner, I still think I can code everything I want). But if there is just one moment like when I saw this screen today, I'mma trade my life for it.
Sorry for taking your time guys, I was just genuinely stunned... A lot24 -
One of our teachers developed a website for our university about three years ago. That was something like assignments management system + social network + schedule, everything in the world as one website.
It seemed like he didn't put any code escaping at all. Injected a block of CSS that made the entire page slowly fade away when some user tried to look at my page. Other teachers stared at it as if it was pure magic, doubting their sanity.
Still isn't fixed btw :)6 -
I have this little hobby project going on for a while now, and I thought it's worth sharing. Now at first blush this might seem like just another screenshot with neofetch.. but this thing has quite the story to tell. This laptop is no less than 17 years old.
So, a Compaq nx7010, a business laptop from 2004. It has had plenty of software and hardware mods alike. Let's start with the software.
It's running run-off-the-mill Debian 9, with a custom kernel. The reason why it's running that version of Debian is because of bugs in the network driver (ipw2200) in Debian 10, causing it to disconnect after a day or so. Less of an issue in Debian 9, and seemingly fixed by upgrading the kernel to a custom one. And the kernel is actually one of the things where you can save heaps of space when you do it yourself. The kernel package itself is 8.4MB for this one. The headers are 7.4MB. The stock kernels on the other hand (4.19 at downstream revisions 9, 10 and 13) took up a whole GB of space combined. That is how much I've been able to remove, even from headless systems. The stock kernels are incredibly bloated for what they are.
Other than that, most of the data storage is done through NFS over WiFi, which is actually faster than what is inside this laptop (a CF card which I will get to later).
Now let's talk hardware. And at age 17, you can imagine that it has seen quite a bit of maintenance there. The easiest mod is probably the flash mod. These old laptops use IDE for storage rather than SATA. Now the nice thing about IDE is that it actually lives on to this very day, in CF cards. The pinout is exactly the same. So you can use passive IDE-CF adapters and plug in a CF card. Easy!
The next thing I want to talk about is the battery. And um.. why that one is a bad idea to mod. Finding replacements for such old hardware.. good luck with that. So your other option is something called recelling, where you disassemble the battery and, well, replace the cells. The problem is that those battery packs are built like tanks and the disassembly will likely result in a broken battery housing (which you'll still need). Also the controllers inside those battery packs are either too smart or too stupid to play nicely with new cells. On that laptop at least, the new cells still had a perceived capacity of the old ones, while obviously the voltage on the cells themselves didn't change at all. The laptop thought the batteries were done for, despite still being chock full of juice. Then I tried to recalibrate them in the BIOS and fried the battery controller. Do not try to recell the battery, unless you have a spare already. The controllers and battery housings are complete and utter dogshit.
Next up is the display backlight. Originally this laptop used to use a CCFL backlight, which is a tiny tube that is driven at around 2000 volts. To its controller go either 7, 6, 4 or 3 wires, which are all related and I will get to. Signs of it dying are redshift, and eventually it going out until you close the lid and open it up again. The reason for it is that the voltage required to keep that CCFL "excited" rises over time, beyond what the controller can do.
So, 7-pin configuration is 2x VCC (12V), 2x enable (on or off), 1x adjust (analog brightness), and 2x ground. 6-pin gets rid of 1 enable line. Those are the configurations you'll find in CCFL. Then came LED lighting which required much less power to run. So the 4-pin configuration gets rid of a VCC and a ground line. And finally you have the 3-pin configuration which gets rid of the adjust line, and you can just short it to the enable line.
There are some other mods but I'm running out of characters. Why am I telling you all this? The reason is that this laptop doesn't feel any different to use than the ThinkPad x220 and IdeaPad Y700 I have on my desk (with 6c12t, 32G of RAM, ~1TB of SSDs and 2TB HDDs). A hefty setup compared to a very dated one, yet they feel the same. It can do web browsing, I can chat on Telegram with it, and I can do programming on it. So, if you're looking for a hobby project, maybe some kind of restrictions on your hardware to spark that creativity that makes code better, I can highly recommend it. I think I'm almost done with this project, and it was heaps of fun :D12 -
!rant
Ah the joy of tweaking one tiny segment of code to reduce your neural network runtime from 3 minutes for 100 generations to 3 seconds!6 -
This just in everyone...
Android Dev: *sent and email to network admin* can you please unblock github for a few mins.
Network admin: *Replied* Can you take a screenshot whats the error your getting.
Android Dev: *Replied with screenshot* "Failed to load resource: the server responded with a status of 503 (Service Unavailable)"
Network admin: that is a known issue. *Replied with Wordpress Links.
Android Dev: why is github working outside our network then?
Network admin: there must be a problem with your code that needs to be tweaked.
Team: *FACE PALM*5 -
Since I was little I was fascinated by club light shows I saw on TV shows. I just couldn't find out how they made light react to sound, which were two completely unrelated things to me back then. But I wasn't dumb and somehow figured out that if I hooked some low energy fairy lights to my amp and turned the bass up, they would lightup to the beat.
3 fried fairy lights and angry parents for to loud music later I swore to myself that I would someday build something that could light up my whole room and react to the music I was playing.
I started coding about the age 13 (turned 20 a month ago) with some old school bat scripts. But I wanted something that would generate a .exe so I googled and ended up installing Visual Studio Express (again angry parents for installing without asking) and started copying my first VB.Net program together. From there no one could stop me. I wanted to archive something with an application and googled until I found what I needed and learned to code this way.
I learned writing decent vb.net code and itvwas about this time I came into contact with IRC. I lurked arround there and this is were I came into contact with Linix servers, because I wanted to code IRC (eggdrop) bots, so I learned TCL and got used to Linux. Time passed and I ended uo being a Global OP on some network back then.
I did go further, coded Minecraft Mods, thus Java, changed back to C#, learned PHP and started setting things up on my VPS, Mails server, web server, etc.
Nowadays I work as a Systemadmin / Developer Hybrid, earning my first real money doing what I love to do and guess what? In the meantime I proved myself I can accomplish what I wanted as kid. I bought some Club LED DMX capital lights and programmed a controller for them which can control them in C#, but in a way I can run it on my raspi using mono. I also coded a client which runs on windows which uses some native libraries to calculate the dominant color of the shown picture in realtime (Handels 24fps 1080p) and uses the lights as ambient light, like you see them behind TVs sometimes.
The same app uses Bass.NET and an algorithm to dedect a beat in realtime and switches the light colors. Exactly what I wanted as akid, but better.
I can even control the lights via the new Google Assistant and/or Tasker.
Feels fcking good.
Some of my work lies on github among other, mostly trash: https://github.com/Kimmax - didn't updated there in a while tho.
I plan on writing a new free opensource plugin based modular home automatication server and pretty sure could use some helping hands..
I don't know why I wrote all this, just felt like it.
Also: first Rant
Please don't kill me for errors in the text, I'm to lazy to read through it again right now :P8 -
Prologue
My dad has an acquaintance - let's call him Tom. Tom is an gynecologist, one of the best in Poznań, where I live. He's a great guy but absolutely can not into tech of any kind besides his iPhone and basic PC usage. For about a year now I've been doing small jobs for him - build a new PC for his office, fix printer, fix wifi, etc. He has made a big mistake few years ago by trusting a guy, let's call him Shitface, with crating him software for work. It's supposed to be pretty simple piece of code in which you can create and modify patient file, create prescription from drugs database and such things. This program is probably one of the worst pierces of code I've ever seen and Shitface should burn for that. Worse, this guy is pretentious asshole lacking even basic IT knowledge. His code is garbage and it's taking him few months to make small changes like text wrapping. But wait, there's more. Everything is hardcoded so every PC using this software must have installed user controls for which he doesn't have license and static IP address on network card.
Part 1
Tom asked me to build him a new PC that will be acting like a server for Shitface's program. He needs it in Kalisz (around 150 km from my place). I Agred (pun intended) and after Tom brought me his old computer I've bought parts and built a new one. I have also copied everything of value and everything took me around three hours.
Part 2
Everything was ready but Shitface's program. I didn't know much about it's configuration so when I've noticed that it's not working even on the old PC I got a bit worried. Nevertheless I started breaking everything I know about it and after next three hours I've got it somewhat working. Seeing that there's still some problems with database connection (from Windows' Event Viewer) I wrote quick SMS to Shitface asking what can be wrong. He replied that he won't be able to help me any way until Monday (day after deadline). I got pissed and very courteously asked him for source code because some of libraries used in this project has license that requires either purchase of commercial license or making code open source. He replied within few minutes that he'll be able to connect remotely within next 10 minutes. He was trying to make it work for the next hour but he succeeded. It was night before deadline so I wrapped everything up and went to bed thinking that it won't take me more than an hour to get this new PC up and running in the office. Boy was I wrong.
Also, curious about his code, I've checked source and he is using beautiful ponglish (mixed Polish and English) with mistakes he couldn't even bother to fix. For people from Poland, here's an example:
TerminarzeController.DeleteTerminarzShematyDlaLekarza
Part 3
So I drove to Kalisz and started working on making everything work. Almost everything was ready so after half an hour I was done. But I wanted to check twice if it's all good because driving so far second time would be a pain. So I started up Shitface's program, logged in, tried to open ANYTHING and... KABUM. UNHANDLED EXCEPTION. WTF. I checked trace and for fuck sake something was missing. Keep in mind that then I didn't know he's using some third party control for Windows Forms that needs to be installed on client PC. After next fifteen minutes of googling I've found a solution. I just had to install this third party software and everything will work. But... It had to be exactly this version and it was old. Very old. So old that producent already removed all traces of its existence from their web page and I couldn't find it anywhere. I tried installing never version and copying files from old PC but it didn't work. After few hours of searching for a solution I called Mr Shitface asking him for this control installation file. He told me that he has it but will be able to send it my way in the evening. Resigned I asked for this new PC to be left turned on and drove home. When he sent me necessary files I remotely installed them and everything started working correctly.
So, to sum it up. Searching for parts and building new PC, installing OS and all necessary software, updating everything and configuring it for Tom taste took me around what, 1/3 of time I spent on installing Mr Shitface's stupid program which Tom is not even happy with. Gotta say it was one of worst experiences I had in recent months. Hope I won't have to see this shit again.
Epilogue
Fortunately everything seems to work correctly. Tom hasn't called me yet with any problems. Mission accomplished. I wanna kill very specific someone. With. A. Spoon.1 -
I've found sites like Udemy/Khanacademy/Codecademy/Brilliant/Edx to be very useful — possibly more useful than expensive education.
But they still need:
1. Better correction/update mechanisms. Human teachers make mistakes and material gets outdated, and while online teachers are rectified faster than classroom teachers, the procedure is still not optimal. Knowledge should be a bit more like a verified wiki.
2. Some have great interactive coding environments, some have great videos, some have awesome texts, some have helpful communities. None has it all. In the end, I don't want to learn a new language by writing code in my browser. It could all be integrated/synced to the point where IDEs have plugins which are synced to online videos, with tests and exercises built in, up to a social network where you could send snippets for review and add reviews to other people's code.
3. Accreditation. Some platforms offer this against payment, but I think those platforms often feel very old school (pun intended), with fixed schedules, marks and enrollments. Self paced is a must.
4. Depth is important. Current online courses are often a bit introductory. We need more advanced courses about algorithms, theoretical computer science, code design, relational algebra, category theory, etc. I get that it's about supply/demand, but we will eventually need to have those topics covered.
I do believe that for CS, full online education will eventually win from the classroom — it's still in its infancy, but has more potential to grow into correct, modern education.10 -
I've got a confession to make.
A while ago I refurbished this old laptop for someone, and ended up installing Bodhi on it. While I was installing it however, I did have some wicked thoughts..
What if I could ensure that the system remains up-to-date by running an updater script in a daily cron job? That may cause the system to go unstable, but at least it'd be up-to-date. Windows Update for Linux.
What if I could ensure that the system remains protected from malware by periodically logging into it and checking up, and siphoning out potential malware code? The network proximity that's required for direct communication could be achieved by offering them free access to one of my VPN servers, in the name of security or something like that. Permanent remote access, in the name of security. I'm not sure if Windows has this.
What if I could ensure that the system remains in good integrity by disabling the user from accessing root privileges, and having them ask me when they want to install a piece of software? That'd make the system quite secure, with the only penetration surface now being kernel exploits. But it'd significantly limit what my target user could do with their own machine.
At the end I ended up discarding all of these thoughts, because it'd be too much work to implement and maintain, and it'd be really non-ethical. I felt filthy from even thinking about these things. But the advantages of something like this - especially automated updates, which are a real issue on my servers where I tend to forget to apply them within a couple of weeks - can't just be disregarded. Perhaps Microsoft is on to something?11 -
I reversed engineered the network protocol for a game.
I uploaded the source code to GitHub and made a post on UC Forums.
I kept getting bombarded with messages from the same person, it went something like this:
Him: "I can't get this hack to work, pls send finish hack, thanks"
Me: "First of all this is not a complete hack. You actually need to know how to code to use this library."
Guy: "Ok, can u help me make hack for game?"
To keep this short, I basically told him:
"No. Look through the code, learn it, use what you learned."
Couple of hours later he replied:
"Ok. I look through code but don't know how work. Send me code pls."
From the kindness of my heart I made a extremely simplified wrapper for the already simple code and sent him the project files.
He replies with: "Thank for hack, I not able make it work. I build I try inject game but no work. How to run dll file."
At that point I gave up...3 -
Worst code review experience?
Hard to pick just one, but most were in a big meeting room with 4+ other developers not related to the project and with some playing Monday-Morning-Quarterback instead of offering productive feedback.
In one code review, the department mgr reviewed the code from a third party component library.
<brings up the code on the big screen>
Mgr: "I can't read any of this, its a mix of English and something else."
Me: "Its German."
Mgr: "Then why is 'Button' in English? This code is a mess."
Me: "I'm not exactly sure how I should respond, I mean, I didn't write any of this code."
Mgr: "Yes, but you are using it, so it's fair game for a code review."
Me: "Its not really open source, but we can make requests if you found something that needs to be addressed."
Mgr: "Oh yes, all this...whatever this is..<pointing again to the German>"
Me: "I don't think they will change their code to English just so you can read it."
Mgr: "We paid good money, you bet your ass they'll change it!"
Me: "I think the components were like $30 for the unlimited license. They'll tell us to go to hell first. Is there something about my code you want to talk about?"
Mgr: "<Ugggh>...I guess not, I couldn't get past all that German. Why didn't we go with an American company? Hell, why didn't we just write these components ourselves!?"
Me: "Because you gave a directive that if we found components that saved us time, to put in a request, and you approved the request. The company is American, they probably outsourced or hired German developers. I don't know and not sure why we care."
Mgr: "Security! What if they are sending keystrokes back to their servers!"
Me: "Did you see any http or any network access?"
Mgr: "How could I? The code is in German!"
Monday-Morning-Quarterback1: "If it were me, I would have written the components myself and moved on"
Me: "No, I don't think you could for less than $30"
Monday-Morning-Quarterback2: "Meh...we get paid anyway. Just add the time to the estimate."
Mgr: "Exactly! Why do we even have developers who can't read this mess."
Me: "Oh good Lord! Did anyone review or even look at my code for this review!?"
<silence>
Mgr: "Oh...ok...I guess we're done here. Thanks everyone."
<everyone starts to leave>
Me: "Whoa!...wait a sec..am I supposed to do something?"
Mgr: "Get that company to write their code in English so we can read it. You have their number, call em'...no...wait...give me their number. You keep working, I'll take care of this personally"
In they nicest way possible, the company did tell him to go to hell.17 -
Yesterday, after six months of work, a small side project ran to completion, a search engine written in django.
It's a thing of beauty, which took many trials, including discovering utf8 in mysql isn't the full utf8 spec, dealing with files that have wrong date metadata, or even none at all, a new it backup policy that stores backups along side real data.
Nevertheless, it is a pretty complete product. Beaming with pride I began to get myself a drink, and collapsed onto the floor, this caused me to accidentally hibernate my computer, which interrupted the network connection, which in turn caused an OSError exception in one of my threads, which caused a critical part of code not to run, which left a thread suspended, doing nothing.
From the floor I looked at my error and realised my hubris and meditated on my assumptions that in theory nothing should interrupt a specific block of code, but in reality something might, like someone falling over...7 -
Paranoid Developers - It's a long one
Backstory: I was a freelance web developer when I managed to land a place on a cyber security program with who I consider to be the world leaders in the field (details deliberately withheld; who's paranoid now?). Other than the basic security practices of web dev, my experience with Cyber was limited to the OU introduction course, so I was wholly unprepared for the level of, occasionally hysterical, paranoia that my fellow cohort seemed to perpetually live in. The following is a collection of stories from several of these people, because if I only wrote about one they would accuse me of providing too much data allowing an attacker to aggregate and steal their identity. They do use devrant so if you're reading this, know that I love you and that something is wrong with you.
That time when...
He wrote a social media network with end-to-end encryption before it was cool.
He wrote custom 64kb encryption for his academic HDD.
He removed the 3 HDD from his desktop and stored them in a safe, whenever he left the house.
He set up a pfsense virtualbox with a firewall policy to block the port the student monitoring software used (effectively rendering it useless and definitely in breach of the IT policy).
He used only hashes of passwords as passwords (which isn't actually good).
He kept a drill on the desk ready to destroy his HDD at a moments notice.
He started developing a device to drill through his HDD when he pushed a button. May or may not have finished it.
He set up a new email account for each individual online service.
He hosted a website from his own home server so he didn't have to host the files elsewhere (which is just awful for home network security).
He unplugged the home router and began scanning his devices and manually searching through the process list when his music stopped playing on the laptop several times (turns out he had a wobbly spacebar and the shaking washing machine provided enough jittering for a button press).
He brought his own privacy screen to work (remember, this is a security place, with like background checks and all sorts).
He gave his C programming coursework (a simple messaging program) 2048 bit encryption, which was not required.
He wrote a custom encryption for his other C programming coursework as well as writing out the enigma encryption because there was no library, again not required.
He bought a burner phone to visit the capital city.
He bought a burner phone whenever he left his hometown come to think of it.
He bought a smartphone online, wiped it and installed new firmware (it was Chinese; I'm not saying anything about the Chinese, you're the one thinking it).
He bought a smartphone and installed Kali Linux NetHunter so he could test WiFi networks he connected to before using them on his personal device.
(You might be noticing it's all he's. Maybe it is, maybe it isn't).
He ate a sim card.
He brought a balaclava to pentesting training (it was pretty meme).
He printed out his source code as a manual read-only method.
He made a rule on his academic email to block incoming mail from the academic body (to be fair this is a good spam policy).
He withdraws money from a different cashpoint everytime to avoid patterns in his behaviour (the irony).
He reported someone for hacking the centre's network when they built their own website for practice using XAMMP.
I'm going to stop there. I could tell you so many more stories about these guys, some about them being paranoid and some about the stupid antics Cyber Security and Information Assurance students get up to. Well done for making it this far. Hope you enjoyed it.26 -
PM: hows the android app going?
Android Dev: gradle downloading... blocked by network admin.
PM: anyway how is the iOS app going?
iOS Dev: cocoapods downloading... blocked by network admin.
PM: ... i guess the only thing running now is the web admin right?
Laravel/VueJS Dev: composer nodejs/npm/yarn downloading... blocked by network admin.
PM: team lets retest the api endponts
Team: Postman downloading... blocked by network admin.
Team: -_- Insomnia REST Client downloading... blocked by network admin.
PM: code study?
Team: even visual studio code/android studio/xcode is blocked. :(
.... sad dev life
anyone here with the same problem?14 -
Worst hack/attack I had to deal with?
Worst, or funniest. A partnership with a Canadian company got turned upside down and our company decided to 'part ways' by simply not returning his phone calls/emails, etc. A big 'jerk move' IMO, but all I was responsible for was a web portal into our system (submitting orders, inventory, etc).
After the separation, I removed the login permissions, but the ex-partner system was set up to 'ping' our site for various updates and we were logging the failed login attempts, maybe 5 a day or so. Our network admin got tired of seeing that error in his logs and reached out to the VP (responsible for the 'break up') and requested he tell the partner their system is still trying to login and stop it. Couple of days later, we were getting random 300, 500, 1000 failed login attempts (causing automated emails to notify that there was a problem). The partner knew that we were likely getting alerted, and kept up the barage. When alerts get high enough, they are sent to the IT-VP, which gets a whole bunch of people involved.
VP-Marketing: "Why are you allowing them into our system?! Cut them off, NOW!"
Me: "I'm not letting them in, I'm stopping them, hence the login error."
VP-Marketing: "That jackass said he will keep trying to get into our system unless we pay him $10,000. Just turn those machines off!"
VP-IT : "We can't. They serve our other international partners."
<slams hand on table>
VP-Marketing: "I don't fucking believe this! How the fuck did you let this happen!?"
VP-IT: "Yes, you shouldn't have allowed the partner into our system to begin with. What are you going to do to fix this situation?"
Me: "Um, we've been testing for months already went live some time ago. I didn't know you defaulted on the contract until last week. 'Jake' is likely running a script. He'll get bored of doing that and in a couple of weeks, he'll stop. I say lets ignore him. This really a network problem, not a coding problem."
IT-MGR: "Now..now...lets not make excuses and point fingers. It's time to fix your code."
IT-VP: "I agree. We're not going to let anyone blackmail us. Make it happen."
So I figure out the partner's IP address, and hard-code the value in my service so it doesn't log the login failure (if IP = '10.50.etc and so on' major hack job). That worked for a couple of days, then (I suspect) the ISP re-assigned a new IP and the errors started up again.
After a few angry emails from the 'powers-that-be', our network admin stops by my desk.
D: "Dude, I'm sorry, I've been so busy. I just heard and I wished they had told me what was going on. I'm going to block his entire domain and send a request to the ISP to shut him down. This was my problem to fix, you should have never been involved."
After 'D' worked his mojo, the errors stopped.
Month later, 'D' gave me an update. He was still logging the traffic from the partner's system (the ISP wanted extensive logs to prove the customer was abusing their service) and like magic one day, it all stopped. ~2 weeks after the 'break up'.8 -
This next one is dedicated to a couple of special people at my workplace:
- The person who uploaded internal-use-only code to a personal repository on GitHub
- The network team that has blocked any and all access to GitHub
- The obscured mass of management bureaucracy that makes it pretty much impossible for anyone at my level to make any sort of appeal
This one's for you:
*ahem*
WHY?!3 -
I've found and fixed any kind of "bad bug" I can think of over my career from allowing negative financial transfers to weird platform specific behaviour, here are a few of the more interesting ones that come to mind...
#1 - Most expensive lesson learned
Almost 10 years ago (while learning to code) I wrote a loyalty card system that ended up going national. Fast forward 2 years and by some miracle the system still worked and had services running on 500+ POS servers in large retail stores uploading thousands of transactions each second - due to this increased traffic to stay ahead of any trouble we decided to add a loadbalancer to our backend.
This was simply a matter of re-assigning the IP and would cause 10-15 minutes of downtime (for the first time ever), we made the switch and everything seemed perfect. Too perfect...
After 10 minutes every phone in the office started going beserk - calls where coming in about store servers irreparably crashing all over the country taking all the tills offline and forcing them to close doors midday. It was bad and we couldn't conceive how it could possibly be us or our software to blame.
Turns out we made the local service write any web service errors to a log file upon failure for debugging purposes before retrying - a perfectly sensible thing to do if I hadn't forgotten to check the size of or clear the log file. In about 15 minutes of downtime each stores error log proceeded to grow and consume every available byte of HD space before crashing windows.
#2 - Hardest to find
This was a true "Nessie" bug.. We had a single codebase powering a few hundred sites. Every now and then at some point the web server would spontaneously die and vommit a bunch of sql statements and sensitive data back to the user causing huge concern but I could never remotely replicate the behaviour - until 4 years later it happened to one of our support staff and I could pull out their network & session info.
Turns out years back when the server was first setup each domain was added as an individual "Site" on IIS but shared the same root directory and hence the same session path. It would have remained unnoticed if we had not grown but as our traffic increased ever so often 2 users of different sites would end up sharing a session id causing the server to promptly implode on itself.
#3 - Most elegant fix
Same bastard IIS server as #2. Codebase was the most unsecure unstable travesty I've ever worked with - sql injection vuns in EVERY URL, sql statements stored in COOKIES... this thing was irreparably fucked up but had to stay online until it could be replaced. Basically every other day it got hit by bots ended up sending bluepill spam or mining shitcoin and I would simply delete the instance and recreate it in a semi un-compromised state which was an acceptable solution for the business for uptime... until we we're DDOS'ed for 5 days straight.
My hands were tied and there was no way to mitigate it except for stopping individual sites as they came under attack and starting them after it subsided... (for some reason they seemed to be targeting by domain instead of ip). After 3 days of doing this manually I was given the go ahead to use any resources necessary to make it stop and especially since it was IIS6 I had no fucking clue where to start.
So I stuck to what I knew and deployed a $5 vm running an Nginx reverse proxy with heavy caching and rate limiting linked to a custom fail2ban plugin in in front of the insecure server. The attacks died instantly, the server sped up 10x and was never compromised by bots again (presumably since they got back a linux user agent). To this day I marvel at this miracle $5 fix.1 -
Tl;dr
Longest Rant I've written so far.
How to manage a school (by out school director):
Did this student do something spezial to emphasize the school?
-No: Ignore him
-Yes: Did the student achieve this with the help of this schools staff?
-No: Take all the credit
-Yes: Hahaha, just a joke, nobody receives help from the school. Goto -No
Q: Should this class get the 5 day trip, they've been waiting for the whole year?
Director: No.
Q: But they don't even participate in other trips just to go there.
D: No
(Good thing she did not have the last word there)
Does the school director need this one week trip to india, just to talk once about stuff, you can talk about via email, to a sponsor?
D: "Of course I deserve it"
D: "We need faster internet in this school"
Network admins: "But it won't be of any use, if the network can't handle it. We'll need better pcs (and network conponents) on top of that"
D: "No, bot enough money available for that one." *browses email with IPad paid by school money*
Teacher: "I want to realize project xy with the students. We'll need around 1200€ (for 20 people)."
D: "Can place xy at our school to as advertise?"
T: "No, but it's be a valuable le-"
D: "600 at most."
(Again denied by people who aren't fcking assholes. We got 1500€, so 300€ per group)
D: So what makes you think you can teach informatics in this school"
Applicant: "Well, I'm friends with one of your teacher here. We went to university together, where I learn't nothing about informatics and I don't even understand the principles of this subject"
D: "Close enough. Hired, you can teach them all the theory stuffy. You don't have to prepare that yourself another teacher has done so. Just read it from his documents."
*In class with the mentioned teacher talking about Threads*
*Le wild code appears*
while (doStuff())
System.out.println ("Thread working...");
System.out.println ("Thread terminated");
T: "... and most importantly, when you have done all the work be sure to terminate the thread with 'System.out.println ("Thread terminated");'"
Should this teacher be allowed to participate in this seminar about burnouts?
D: "No, I can't afford paying the supplenze."
Staff: "We need to talk with the director about this."
S: "Not in her office. The cafeteria maybe"
*Not in the cafeteria either*
S: "Seems like she didn't come to achool today. Let's try tomorrow"
(^ Stuff that happens almost daily. Screw semicolons. I see her only once a month at most)
*Student send 5000 emails by accident* (Shit happens 😂😅😂😅)
D: "You gonna work here for a full afternoon"
*Student arrives for his punishment*
Staff: "Good that you're here. Do this real quick."
*10 min. Later*
Student: "Done"
Staff: "Well, we have no more work to give you, so you might as well leave"
DONE!!! Good job coming so far.
Our school is supposed to be the best, but internally it's one big meme.4 -
A lot of engineering fads go in circle.
Architecture in the 80s: Mainframe and clients.
Architecture in the 90s: Software systems connected by an ESB.
Architecture in the 2000s: Big central service and everyone connects to it for everything
Architecture in the 2010s: Decentralized microservices that communicate with queues.
Current: RabbitMQ and Kafka.
... Can't we just go back to the 90s?
I hate fads.
I hate when I have to get some data, and it's scattered on 20 different servers, and to load a fucking account page, a convoluted network of 40 apps have to be activated, some in PHP, others in JS, others on Java, that are developed by different teams, connected to different tiny ass DBs, all on huge clusters of tiny ass virtual machines that get 30% load at peak hours, 90% of which comes from serializing and parsing messages. 40 people maintaining this nightmare, that could've been just 7 people making a small monolithic system that easily handles this workload on a 4-core server with 32GB of RAM.
Tripple it, put it behind a load balancer, proper DB replication (use fucking CockroachDB if you really want survivability), and you've got zero downtime at a fraction of the cost.
Just because something's cool now, doesn't mean that everybody has to blindly follow it for fucks sake!
Same rant goes for functional vs OOP and all that crap. Going blindly with any of these is just a stupid fad, and the main reason why companies need refactoring of legacy code.12 -
Some young kid taking his first steps into compsci was being straight-up fucking harassed on SO. No one answered, instead users with really high rep just said shit like "if you tried to hang yourself with that code it'd come apart but you should check anyway" in the comments. I flagged the comments and got fucking banned from the entire Stack Exchange network. I created a new account to help the kid, posted an answer, and was banned and had my answer removed within 5 minutes.
SE can burn in hell.11 -
What you see in that screenshot, that was earned.
I'm on the plane and I want an hour of free Gogo (read: crappy) WiFi on my laptop (so I can push the code I'm probably the most proud of, more on that another time). The problem is that the free T-Mobile WiFi is apparently only available on mobile.
So after trying to just use responsive mode, and that still (almost obviously) not working. I realize it's time to bring in the big guns: A User Agent switcher. Small catch: I don't have an add-on for FF that can do that.
So on my phone I find an add-on that can and download the file. To send it to my computer, I initially thought to go through KDEConnect, but Gogo's network also isolates each system, so that doesn't work. So I try to send it over Bluetooth, except I can't. Why? Because Android's Bluetooth share "doesn't support" the .xpi extension, so I dump it in a zip (in retrospect, I should have just renamed it), and now I can share.
After a few tries, I successfully get the file over, extract the zip, and install the extension. Whew! Now I open up Gogo's page and proceed to try again, but this time I change the user-agent. Doesn't work... Ah! Cookies! I delete the cookies for Gogo (I had a cookie editor add-on already), but I had to try a few times because Gogo's scripts keep trying to, but I got it in the end.
Finally that stupid error saying it's for phones only went away, and I could write this rant for you.22 -
TLDR: Small family owned finance business woes as the “you-do-everything-now” network/sysadmin intern
Friday my boss, who is currently traveling in Vegas (hmmm), sends me an email asking me to punch a hole in our firewall so he can access our locally hosted Jira server that we use for time logging/task management.
Because of our lack of proper documentation I have to refer to my half completed network map and rely on some acrobatic cable tracing to discover that we use a SonicWall physical firewall. I then realize asking around that I don’t have access to the management interface because no one knows the password.
Using some lucky guesses and documentation I discover on a file share from four years ago, I piece together the username and password to log in only to discover that the enterprise support subscription is two years expired. The pretty and useful interface that I’m expecting has been deactivated and instead of a nice overview of firewall access rules the only thing I can access is an arcane table of network rules using abbreviated notation and five year old custom made objects representing our internal network.
An hour and a half later I have a solid understanding of SonicWallOS, its firewall rules, and our particular configuration and I’m able to direct external traffic from the right port to our internal server running Jira. I even configure a HIDS on the Jira server and throw up an iptables firewall quickly since the machine is now connected to the outside world.
After seeing how many access rules our firewall has, as a precaution I decide to run a quick nmap scan to see what our network looks like to an attacker.
The output doesn’t stop scrolling for a minute. Final count we have 38 ports wide open with a GOLDMINE of information from every web, DNS, and public server flooding my terminal. Our local domain controller has ports directly connected to the Internet. Several un-updated Windows Server 2008 machines with confidential business information have IIS 7.0 running connected directly to the internet (versions with confirmed remote code execution vulnerabilities). I’ve got my work cut out for me.
It looks like someone’s idea of allowing remote access to the office at some point was “port forward everything” instead of setting up a VPN. I learn the owners close personal friend did all their IT until 4 years ago, when the professional documentation stops. He retired and they’ve only invested in low cost students (like me!) to fill the gap. Some kid who port forwarded his home router for League at some point was like “let’s do that with production servers!”
At this point my boss emails me to see what I’ve done. I spit him back a link to use our Jira server. He sends me a reply “You haven’t logged any work in Jira, what have you been doing?”
Facepalm.4 -
I think Matlab was only invented to fuck with people. Yeah, let's start indices with 1. Oh, and set copy and paste on Ctrl+W and and Alt+Y.
You didn't save your code? Too bad, the network went down and I lost the license.3 -
It has been bugging the shit out of me lately... the sheer number of shit-tier "programmers" that have been climbing out of the woodwork the last few years.
I'm not trying to come across as elitist or "holier than thou", but it's getting ridiculous and annoying. Even on here, you have people who "only do frontend development" or some other lame ass shit-stain of an excuse.
When I first started learning programming (PHP was my first language), it wasn't because I wanted to be a programmer. I used to be a member (my account is still there, in fact) of "HackThisSite", back when I was about 12 years old. After hanging out long enough, I got the hint that the best hackers are, in essence, programmers.
Want to learn how to do SQL injection? Learn SQL - write a program that uses an SQL database, and ask yourself how you would exploit your own software.
Want to reverse engineer the network protocol of some proprietary software? Learn TCP/IP - write a TCP/IP packet filter.
Back then, a programmer and a hacker were very much one in the same. Nowadays, some kid can download Python, write a "hello, world" program and they're halfway to freelancing or whatever.
It's rare to find a programmer - a REAL programmer, one who knows how the systems he develops for better than the back of his hand.
These days, I find people want the instant gratification that these simpler languages provide. You don't need to understand how virtual memory works, hell many people don't even really understand C/C++ pointers - and that's BASIC SHIT right there.
Put another way, would you want to take your car to a brake mechanic that doesn't understand how brakes work? I sure as hell wouldn't.
Watching these "programmers" out there who don't have a fucking clue how the code they write does what it does, is like watching a grown man walk around with a kid's toolbox full or plastic toys calling himself a mechanic. (I like cars, ok?!)
*sigh*
Python, AngularJS, Bootstrap, etc. They're all tools and they have their merits. But god fucking dammit, they're not the ONLY damn tools that matter. Stop making excuses *not* to learn something, Mr."IOnlyDoFrontEnd".
Coding ain't Lego's, fuckers.36 -
@netikras since when does proprietary mean bad?
Lemme tell you 3 stories.
CISCO AnyConnect:
- come in to the office
- use internal resources (company newsletter, jira, etc.)
- connect to client's VPN using Cisco AnyConnect
- lose access to my company resources, because AnyConnect overwrites routing table (rather normal for VPN clients)
- issue a route command updating routing table so you could reach confluence page in the intranet
- route command executes successfully, `route -n` shows nothing has changed
- google this whole WTF case
- Cisco AnyConnect constantly overwrites OS routing table to ENFORCE you to use VPN settings and nothing else.
Sooo basically if you want to check your company's email, you have to disconnect from client's VPN, check email and reconnect again. Neat!
Can be easily resolved by using opensource VPN client -- openconnect
CISCO AnyConnect:
- get a server in your company
- connect it to client's VPN and keep the VPN running for data sync. VPN has to be UP at all times
- network glitch [uh-oh]
- VPN is no longer working, AnyConnect still believes everything is peachy. No reconnect attempts.
- service is unable to sync data w/ client's systems. Data gets outdated and eventually corrupted
OpenConnect (OSS alternative to AnyConnect) detects all network glitches, reports them to the log and attempts reconnect immediatelly. Subsequent reconnect attempts getting triggered with longer delays to not to spam network.
SYMANTEC VIP (alleged 2FA?):
- client's portal requires Sym VIP otp code to log in
- open up a browser in your laptop
- navigate to the portal
- enter your credentials
- click on a Sym VIP icon in the systray
- write down the shown otp number
- log in
umm... in what fucking way is that a secure 2FA? Everything is IN the same fucking device, a single click away.
Can be easily solved by opensource alternatives to Sym VIP app: they make HTTP calls to Symantec to register a new token and return you the whole totp url. You can convert that url to a qr code and scan it w/ your phone (e.g. Google's Authenticator). Now you have a true 2FA.
Proprietary is not always bad. There are good propr sw too. But the ones that are core to your BAU and are doing shit -- well these ARE bad. and w/o an oppurtunity to workaround/fix it yourself.13 -
Minecrafters, come here :)
So, as I wrote before, I'm working on a custom minigame network called Silverfern, I've planned the grand opening for the 1st of February, which is my birthday. Now, the minigame base and 1 fast minigame is ready, the only real thing we have to finish is the punish system (ban/mutes) and a quick anticheat. I need to finish them before the grand opening, I hope I'll be fast and code good enough.
I've started working on it 1.5 years ago, I hope we can see on the server on February the 1st!11 -
Describe the most hellish development environment you can imagine for yourself:
Me:
Workstation OS: Windows Vista with network boot, no hard disk and can't save local files
Server OS: Closed physical appliance of Windows Server 2000 with no possibility of installing extra software
Languages: Visual Basic, Perl, Php, assembly, ABAP
IDE: None, just echoing code lines to files
Web technologies: IIS, Sharepoint, Java applets, asp
Network: No internet access, internal company network only
Web browser: IE 6
Graphical design software: msPaint
Version control: Emails
Team communication: Emails
Software distribution vector: Emails
Boss: some 40 year old guy who knows nothing about computers
Not kidding most of these stuff were actually real in my previous workplace.11 -
Yesterday, I tried to code without googling to see how far I can go. After 20 minutes of coding I run into a problem. I just couldn't make my angularjs app to work with ASP.Net MVC antiforgerytoken. I tried my best to solve it but no luck.
After 2 hours I finally gave up and connect my laptop to network and search for answer, within a few seconds. Google give my this link: http://ojdevelops.com/2016/01/....
After only few minutes I finally make my code to work. And I realized that there is no way I can figure this things out using only my head. I still need the help of community to get things done.
So my question is. During the 80's and 90's how did the old programmers get themselves unstuck when problem like this arrive?8 -
Today the IT deparment update the firewall's configuration, they blocked almost every website except email and Google.
The problems:
- Blocked some systems outside the organization, there are in another building and also network
- I can search on Google but I can't see the results outside Google
- Forget about download depencies, libraries, deploy code to outside services, search at StackOverflow
I JUST WANNA SAY GOOD JOB, GUYS
PS: The firewall also block the SSH port, I had explained to my boss and he sent a request for allowing the port, so far no answer3 -
Classroom fuckery: I'm in a Computer Information Technology program and I usually spend the last hour of class working on code. Most of the people in this program are going into networking or security. This kid looks over and freaks out, starts yelling that I'm breaking into the school's network. I was on freecodecamp.com.5
-
Step 1: Run to the store to buy a USB card reader because all of a sudden you have a need to use a 16Mb CF card that was tossed in a junk drawer for 20 years (hoping it still works, of course), but that was the easy part...
Step 2: Realize that the apps - your own - you want to run on your new (old) Casio E-125 PocketPC (to re-live "glory" days) are compiled in ARM format, not MIPS, which is the CPU this device uses, and the installer packages you have FOR YOUR OWN APPS don't include MIPS, only ARM (WHY DID I DO THAT?!), so, the saga REALLY begins...
Step 3: Get a 20-year old OS to install in a Hyper-V VM... find out that basic things like networking don't work by default because the OS is so damn old, so spend hours solving that and other issues to get it to basically run well enough to...
Step 4: Get that OS updated so that it's at least kind/sorta/maybe (but between you and me, not really!) safe online, all without a browser that will work on ANY modern site (oh, and good luck finding a version of Firefox that runs on it - that all took a few hours)...
Step 5: Okay, OS is ready to go, now get 20-year old dev tools that you haven't even seen in that many years working. Oh, do this with a missing CD key and ISO's that weren't archived in a format that's usable today, plus a bunch of missing dependencies because the OS is, again, SO old (a few MORE hours)...
Step 6: Get 20-year old code written in a language you haven't used in probably almost that long to compile, dealing with pathing issues, missing libs, and several other issues, all the while trying to dust off long-dormant knowledge somewhere in the deep, dark recesses of your brain... surprisingly, it all came back to me, more or less, in under an hour, which lead to...
Step 7: FINALLY get it all to work, FINALLY get the code to compile, FINALLY get it transferred to the device (which has no network capabilities, by the way, which is where the card reader and CF card came into play) and re-live the glory of your old, crappy PocketPC apps and games running on the real thing! WOO-HOO!
Step 8: Realize it's 3:30am by the time that's all done and be VERY thankful that you're on vacation this week or work tomorrow would SSUUCCKK!!!!
Step 9. Get called into work the next day for a production issue despite being tired from the night before and an afternoon of errands, lose basically a whole day of vacation (7 hours spent on it) and not actually resolve it by after midnight when you finally say that's enough :(
Talk about your highs and your lows.6 -
I wrote a prototype for a program to do some basic data cleaning tasks in Go. The idea is to just distribute the files with the executable on our shared network to our team (since it is small enough, no github bullshit needed for this) and they can go from there.
Felt experimental, so I decided to try out F# since I have always been interested with it and for some reason Microsoft adopted it into their core net framework.
I shit you not, from 185 lines of Go code, separated into proper modules etc not to mention the additional packages I downloaded (simple things for CSV reading bla bla)
To fucking 30 lines of F# that could probably be condensed more if I knew how to do PROPER functional programming. The actual code is very much procedural with very basic functional composition, so it could probably be even less, just more "dense"
I am amazed really. I do not like that namespace pollution happens all over F# since importing System.IO gives you a bunch of shit that you wouldn't know where it is coming from unless you fuck enough with Ionide and the docs. But man.....
No need for dotnet run to test this bitch, just highlight it on the IDE, alt enter and WHAM you have the repl in front of you, incremental quasi like Lisp changes on the code can be REPL changed this way, plethora of .NET BCL wonders in it, and a single point of documentation as long as you stay in standard .net
I am amazed and in love, plus finding what I wanted to do was a fucking cakewalk.
Downside: I work in a place in which Python is seen as magic and PHP, VB.NEt and C# is the end all be all of languages. If me goes away or dies there will be no one else in this side of the state to fuck with F#
This language needs to be studied more. Shit can be so compact, but I do feel that one needs to really know enough of functional programming to be good at it. It is really not a pure language like Haskell (then again, haskell is the only "mainstream" pure functional language ain't it not?) but still, shit is really nice and I really dig what Microhard is doing in terms of the .net framework.
Will provide later findings. My entire team is on the Microsoft space, we do have Linux servers, but porting the code to generate the necessary executables for those servers if needed should be a walk in the park. I am just really intrigued by how many lines of code I was able to cut down from the Go application.
Please note that this could also mean that I am a shit Golang dev, but the cut down of nil err checkings do come somewhere.9 -
Ok friends let's try to compile Flownet2 with Torch. It's made by NVIDIA themselves so there won't be any problem at all with dependencies right?????? /s
Let's use Deep Learning AMI with a K80 on AWS, totally updated and ready to go super great always works with everything else.
> CUDA error
> CuDNN version mismatch
> CUDA versions overwrite
> Library paths not updated ever
> Torch 0.4.1 doesn't work so have to go back to Torch 0.4
> Flownet doesn't compile, get bunch of CUDA errors piece of shit code
> online forums have lots of questions and 0 answers
> Decide to skip straight to vid2vid
> More cuda errors
> Can't compile the fucking 2d kernel
> Through some act of God reinstalling cuda and CuDNN, manage to finally compile Flownet2
> Try running
> "Kernel image" error
> excusemewhatthefuck.jpg
> Try without a label map because fuck it the instructions and flags they gave are basically guaranteed not to work, it's fucking Nvidia amirite
> Enormous fucking CUDA error and Torch error, makes no sense, online no one agrees and 0 answers again
> Try again but this time on a clean machine
> Still no go
> Last resort, use the docker image they themselves provided of flownet
> Same fucking error
> While in the process of debugging, realize my training image set is also bound to have bad results because "directly concatenating" images together as they claim in the paper actually has horrible results, and the network doesn't accept 6 channel input no matter what, so the only way to get around this is to make 2 images (3 * 2 = 6 quick maths)
> Fix my training data, fuck Nvidia dude who gave me wrong info
> Try again
> Same fucking errors
> Doesn't give nay helpful information, just spits out a bunch of fucking memory addresses and long function names from the CUDA core
> Try reinstalling and then making a basic torch network, works perfectly fine
> FINALLY.png
> Setup vid2vid and flownet again
> SAME FUCKING ERROR
> Try to build the entire network in tensorflow
> CUDA error
> CuDNN version mismatch
> Doesn't work with TF
> HAVE TO FUCKING DOWNGEADE DRIVERS TOO
> TF doesn't support latest cuda because no one in the ML community can be bothered to support anything other than their own machine
> After setting up everything again, realize have no space left on 75gb machine
> Try torch again, hoping that the entire change will fix things
At this point I'll leave a space so you can try to guess what happened next before seeing the result.
Ready?
3
2
1
> SAME FUCKING ERROR
In conclusion, NVIDIA is a fucking piece of shit that can't make their own libraries compatible with themselves, and can't be fucked to write instructions that actually work.
If anyone has vid2vid working or has gotten around the kernel image error for AWS K80s please throw me a lifeline, in exchange you can have my soul or what little is left of it5 -
<just got out of this meeting>
Mgr: “Can we log the messages coming from the services?”
Me: “Absolutely, but it could be a lot of network traffic and create a lot of noise. I’m not sure if our current logging infrastructure is the right fit for this.”
Senior Dev: “We could use Log4Net. That will take care of the logging.”
Mgr: “Log4Net?…Yea…I’ve heard of it…Great, make it happen.”
Me: “Um…Log4Net is just the client library, I’m talking about the back-end, where the data is logged. For this issue, we want to make sure the data we’re logging is as concise as possible. We don’t want to cause a bottleneck inside the service logging informational messages.”
Mgr: “Oh, no, absolutely not, but I don’t know the right answer, which is why I’ll let you two figure it out.”
Senior Dev: “Log4Net will take care of any threading issues we have with logging. It’ll work.”
Me: “Um..I’m sure…but we need to figure out what we need to log before we decide how we’re logging it.”
Senior Dev: “Yea, but if we log to SQL database, it will scale just fine.”
Mgr: “A SQL database? For logging? That seems excessive.”
Senior Dev: “No, not really. Log4Net takes care of all the details.”
Me: “That’s not going to happen. We’re not going to set up an entire sql database infrastructure to log data.”
Senior Dev: “Yea…probably right. We could use ElasticSearch or even Redis. Those are lightweight.”
Mgr: “Oh..yea…I’ve heard good things about Redis.”
Senior Dev: “Yea, and it runs on Linux and Linux is free.”
Mgr: “I like free, but I’m late for another meeting…you guys figure it out and let me know.”
<mgr leaves>
Me: “So..Linux…um…know anything about administrating Redis on Linux?”
Senior Dev: ”Oh no…not a clue.”
It was all I could do from doing physical harm to another human being.
I really hate people playing buzzword bingo with projects I’m responsible for.
Only good piece is he’s not changing any of the code.3 -
Code never lies
Comments sometimes do
Nah!
Code lies too, especially when you train a neural network 😂😂 -
TL;DR: At a house party, on my Phone, via shitty German mobile network using the GitLab website's plain text editor. Thanks to CI/CD my changes to the code were easily tested and deployed to the server.
It was for a college project and someone had a bug in his 600+ lines function that was nested like hell. At least 7 levels deep. Told him before I went to that party it's probably a redefined counter variable but he wouldn't have it as he was sure it was an error with the business logic. Told him to simplify the code then but he wouldn't do that either because "the code/logic is too complex to be simplified"... Yeah... what a dipshit...
Nonetheless I went to the party and He kept debugging. At some point he called me and asked me to help him the following day. Knowing that the code had to be fixed anyways I agreed.
I also knew I wouldn't be much of a help the next day due to side effects of the party, so I tried looking at this shitshow of a function on my phone. Oh did I mention it was PHP, yet? Yeah... About 30 minutes and a beer later I found the bug and of course it was a redefined counter variable... My respect for him as a dev was already crumbling but it died completely during that evening2 -
I'm looking forward to natural language programming.
The ability to code by explaining what you want to happen and having a neural network work out the fine details in an optimal fashion with evolutionary techniques.
I look forward to the super AI. I don't think they will necessarily be evil, however above a certain point we would seem like ants to them... And when was the last time you checked if there was an ant where you were to put your foot? It's not malicious... It's just not worth your or their time.29 -
Working on some code which relies on a remote api. Then the network speed suddenly drops to 14kbs. FUCKING FUCK FML10
-
Best code performance incr. I made?
Many, many years ago our scaling strategy was to throw hardware at performance problems. Hardware consisted of dedicated web server and backing SQL server box, so each site instance had two servers (and data replication processes in place)
Two servers turned into 4, 4 to 8, 8 to around 16 (don't remember exactly what we ended up with). With Window's server and SQL Server licenses getting into the hundreds of thousands of dollars, the 'powers-that-be' were becoming very concerned with our IT budget. With our IT-VP and other web mgrs being hardware-centric, they simply shrugged and told the company that's just the way it is.
Taking it upon myself, started looking into utilizing web services, caching data (Microsoft's Velocity at the time), and a service that returned product data, the bottleneck for most of the performance issues. Description, price, simple stuff. Testing the scaling with our dev environment, single web server and single backing sql server, the service was able to handle 10x the traffic with much better performance.
Since the majority of the IT mgmt were hardware centric, they blew off the results saying my tests were contrived and my solution wouldn't work in 'the real world'. Not 100% wrong, I had no idea what would happen when real traffic would hit the site.
With our other hardware guys concerned the web hardware budget was tearing into everything else, they helped convince the 'powers-that-be' to give my idea a shot.
Fast forward a couple of months (lots of web code changes), early one morning we started slowly turning on the new framework (3 load balanced web service servers, 3 web servers, one sql server). 5 minutes...no issues, 10 minutes...no issues,an hour...everything is looking great. Then (A is a network admin)...
A: "Umm...guys...hardly any of the other web servers are being hit. The new servers are handling almost 100% of the traffic."
VP: "That can't be right. Something must be wrong with the load balancers. Rollback!"
A:"No, everything is fine. Load balancer is working and the performance spikes are coming from the old servers, not the new ones. Wow!, this is awesome!"
<Web manager 'Stacey'>
Stacey: "We probably still need to rollback. We'll need to do a full analysis to why the performance improved and apply it the current hardware setup."
A: "Page load times are now under 100 milliseconds from almost 3 seconds. Lets not rollback and see what happens."
Stacey:"I don't know, customers aren't used to such fast load times. They'll think something is wrong and go to a competitor. Rollback."
VP: "Agreed. We don't why this so fast. We'll need to replicate what is going on to the current architecture. Good try guys."
<later that day>
VP: "We've received hundreds of emails complementing us on the web site performance this morning and upset that the site suddenly slowed down again. CEO got wind of these emails and instructed us to move forward with the new framework."
After full implementation, we were able to scale back to only a few web servers and a single sql server, saving an initial $300,000 and a potential future savings of over $500,000. Budget analysis considering other factors, over the next 7 years, this would save the company over a million dollars.
At the semi-annual company wide meeting, our VP made a speech.
VP: "I'd like to thank everyone for this hard fought journey to get our web site up to industry standards for the benefit of our customers and stakeholders. Most of all, I'd like to thank Stacey for all her effort in designing and implementation of the scaling solution. Great job Stacy!"
<hands her a blank white envelope, hmmm...wonder what was in it?>
A few devs who sat in front of me turn around, network guys to the right, all look at me with puzzled looks with one mouth-ing "WTF?"9 -
Boss: "So I'm taking the next week off. In the mean time, I added some stuff for you to do on Gitlab, we'd need you to pull this Docker image, run it, setup the minimal requirement and play with it until you understand what it does."
Me: "K boss, sounds fun!" (no irony here)
First day: Unable to login to the remote repository. Also, I was given a dude's name to contact if I had troubles, the dude didn't answer his email.
2nd day: The dude aswered! Also, I realized that I couldn't reach the repository because the ISP for whom I work blocks everything within specific ports, and the url I had to reach was ":5443". Yay. However, I still can't login to the repo nor pull the image, the connection gets closed.
3rd day (today): A colleague suggested that I removed myself off the ISP's network and use my 4G or something. And it worked! Finally!! Now all I need to do is to set that token they gave me, set a first user, a first password and... get a 400 HTTP response. Fuck. FUCK. FUUUUUUUUUUUUUUUUUUUCK!!!
These fuckers display a 401 error, while returning a 400 error in the console log!! And the errors says what? "Request failed with status code 401" YES THANK YOU, THIS IS SO HELPFUL! Like fuck yea, I know exactly how t fix this, except that I don't because y'all fuckers don't give any detail on what could be the problem!
4th day (tomorrow): I'm gonna barbecue these sons of a bitch
(bottom note: the dude that answered is actually really cool, I won't barbecue him)5 -
24th, Christmas: BIND slaves decide to suddenly stop accepting zone transfers from the master. Half a day of raging and I still couldn't figure out why. dig axfr works fine, but the slaves refuse a zone update according to tcpdump logs.
25th, 2nd day: A server decides to go down and take half my network with it. Turns out that a Python script managed to crash the goddamn kernel.
Thank you very much technology for making the Christmas days just a little bit better ❤️
At least I didn't have anything to do during either days, because of the COVID-19 pandemic. And to be fair, I did manage to make a Telegram bot with fancy webhooks and whatnot in 5MB of memory and 18MB of storage. Maybe I should just write the whole thing and make another sacred temple where shitty code gets beaten the fuck out of the system. Terry must've been onto something...5 -
Was forced to do some work on Windows this week (CAD tools that runs only on Windows). I spent a few days just setting up the tools. There were quite a few things I realized I forgot about Windows (as compared to Linux).
1) Installation times are down right horrific. What exactly are the installer doing for 10 minutes?
2) .NET is a cluster fuck. Not even Microsofts repair tool can fix it, but rather just hangs. I ended up using another tool to nuke it and reinstall.
3) Windows binary installs are insanely huge, thus, takes forever to download.
4) The registry is a pointless database that must have been written in hell with the single intent of destroying users will to live. The sole existence of the registry is another proof that completely incompetent engineers designed Windows.
5) Rebooting is the only way to solve many problems. This is another sure sign of a fundamentally fucked up OS design.
6) What the heck is wrong with the GUIs designers? The control panel must be the worst design ever. There are so many levels to get to a particular setting I'm getting dizzy. Nothing gets better by the illogical organisation.
7) Windows networking. A perversion of the tcp/ip stack that makes it virtually impossible to understand a damn thing about the current network configuration. There are at least 3 different places that effects the settings.
8) Windows command prompt. Why did they even bother to leave it in? The interpreter is as intelligent as retarded donut. You can't do anything with it, except typing "exit" and Google for another solution.
8) Updates. Why does it takes hundreds of updates per month to keep that thing safe?
9) Despite all updates that is flying out of Redmond like confetti, it is still necessary to install antivirus to keep the damn thing safe. That cost extra money, and further cost you by degrading performance of your hardware.
10) Window performance. Software runs like it was swimming in molasses. The final stab in the back on your hardware investment, and pretty much sends performance on your hardware back a few hundred bucks more.
11) Closed source is evil. If something crash consistently, you might find a forum that address the issues you have. Otherwise you're out of luck. On the other hand, it might be for the better. I imagine reading the code for Windows can lead to severe depression.
I'm lucky to be a Linux dev, and should probably not complain too much... But really, Windows, go get yourself hit by a truck and die. I won't miss you.14 -
School's windows installations had the UAC set to lowest.
Anyone could install malware or fiddle with important settings.
Oh by the way, the same school who's gData found it funny to go through my USB drive and delete all executables and all my code because it was "possibly malicious".
Started installing random crap and messing with people in retaliation.
Was fun.
Until I got caught.
Good thing I compiled a list of security flaws earlier on.
From that day on, everytime I messed up, I sold them two security vulnerabilites to let me off the hook.
These included access to all kinds of drives in the windows network, accessing other PCs desktop, literally uninstalling random printers from the network etc..
Fun time.3 -
So to start off, I am a hipster. Guilty as charged. A few months ago.
Me and my work's programming team decided to enter a hackathon. Note, I had never stayed awake for 48 hours straight programming before.
It was late and I was waiting on programmer 1 to finish writing a class so I can finish a part of the network code. We were all working on the same git repository, same branch for some reason at the time.
So I started just writing in random comments in the code while waiting. I finally got to complete the network and committed my work.
They both made a pull about the same time and both my boss and coworker turned around at the same time.
I had written a comment
// Ya know those glasses I wear to work everyday? They're not prescription. They're fake.
The look of disappointment just staring me down was absolutely priceless. And the fact that they both read the comment at the same time.. 😂😂😂😂😂😂😂 -
Buffer usage for simple file operation in python.
What the code "should" do, was using I think open or write a stream with a specific buffer size.
Buffer size should be specific, as it was a stream of a multiple gigabyte file over a direct interlink network connection.
Which should have speed things up tremendously, due to fewer syscalls and the machine having beefy resources for a large buffer.
So far the theory.
In practical, the devs made one very very very very very very very very stupid error.
They used dicts for configurations... With extremely bad naming.
configuration = {}
buffer_size = configuration.get("buffering", int(DEFAULT_BUFFERING))
You might immediately guess what has happened here.
DEFAULT_BUFFERING was set to true, evaluating to 1.
Yeah. Writing in 1 byte size chunks results in enormous speed deficiency, as the system is basically bombing itself with syscalls per nanoseconds.
Kinda obvious when you look at it in the raw pure form.
But I guess you can imagine how configuration actually looked....
Wild. Pretty wild. It was the main dict, hard coded, I think 200 entries plus and of course it looked like my toilet after having an spicy food evening and eating too much....
What's even worse is that none made the connection to the buffer size.
This simple and trivial thing entertained us for 2-3 weeks because *drumrolls please* none of the devs tested with large files.
So as usual there was the deployment and then "the sudden miraculous it works totally slow, must be admin / it fault" game.
At some time it landed then on my desk as pretty much everyone who had to deal with it was confused and angry, for understandable reasons (blame game).
It took me and the admin / devs then a few days to track it down, as we really started at the entirely wrong end of the problem, the network...
So much joy for such a stupid thing.18 -
First things first:
HI devRant. This is my first post, I've been a observer for the most by now but I'm so glad I found this network (by searching for other people who hate ionic, angular, react)
Question:
What is it about Linux, that any developer seems to love?
I'm a IT student in Germany and I grew up with windows. I know what it's doing, I'm working quite fast on it and it just runs well.
But inehrn I look around at the university the guys who really know what they're doing with their code are using Linux only. There's not even one of them who would consider windows.
I couldn't really find a satisfying answer for that.16 -
When you come to work eager to code, and the whole day goes to trying and failing to fix some network shit -_-2
-
One night, after one very stressful week of production code fixes (I was working on a game with some friends and I created the network infrastructure for P2P and database communication from scratch), I was at my gf's house. After we fell asleep, I stood up and screamed right at her something like "I fucking already told you how X works and how to communicate with Y. Learn to write code properly and after double checking yours then you shall ask me for a non-existing 'bug' fix. Learn how to properly write event based code and use polling you moron!". After that I turned to the other side and fell asleep immediately.
When I saw her the next morning sleeping in the couch, I could not understand why... Only after she described to me the whole incident I started laughing.
After that I just took two weeks off the project and after that period I never actually worked the same way (so hard) in my free time with them.1 -
This is getting annoying.
For the past >half a year I've been chasing windmills. This is what my BAU day looks like:
- We login to client's network
- We start running some Sanity tests before the actual runs (actual runs are hell of an expensive (financially and time-wise) thing to launch) to make sure environment is OK.
- Sanity tests fail. wtf? Nothing's been changed since y-day!
- Spend ~3-4 hours digging logs, code, more logs,... Apparently some genius decided to change a single parameter.
- Spend another 1-2 hours trying to work around that parameter (since apparently that genius did have a task to do that, so we'll most likely have to find a way to live with it)
- Restart the whole env (~30min).
- Launch a Smoke, Sanity tests to verify env state.
- Launch the actual test
- Go home.
Next day:
- We login to client's network
- We start running some Sanity tests before the actual runs to make sure environment is OK.
- Sanity tests pass.
- Run the actual test
- Concurrency on RDS database is sky-rocketing! WTF did that come from??? Nothing's been changed since y-day!!
- Spend ~1-2 hours looking for anything changed, dig some logs for anything unusual. Nothing.
- Escalate to DBA. 2 hours later DBA says "fix the app". thanks for nothing mate....
- Spend remaining 2 hours analysing AWR. Give up, restart the whole RDS instance. Another hour wasted.
- Time to go home. Out of curiosity run Sanity test -- all good. Run the actual test -- all good. wtf??
- Go home
Next day
- We login to client's network
- We start running some Sanity tests before the actual runs to make sure environment is OK.
- Sanity tests fail. wtf? Nothing's been changed since y-day!
- Spend ~3-4 hours digging logs, code, more logs,... Apparently some genius decided to change a single parameter.
- Spend another 1-2 hours trying to work around that parameter
- ..... I think you know where this is going.
And this keeps going on and on, day by day. Spending the better half of the day chasing windmills and doing our actual work on the last hour of the working day or even after that.
We have plenty of interesting tasks in our Jira but we're squirels spinning in the wheel and never being able to touch them.
It feels like I'm wasting my time. I could do so much more with my time!
[just needed to vent ] -
Context:
Me, Front-end Developer, Javascript stuff
---
Junior Dev: Hey xxzer0, could you help me with this? I spent the entire day on it and at this point, I think I just broke Chrome.
xxzer0: *---* Okay, let me see.
Junior Dev: Do you see it? I am updating the Javascript code but it's not working at all. The browser is not even loading it... Literally, the code I just wrote is not there.
**
Now be me, be the fucking idiot I was and I have been my whole life, I already knew what was going on because I lost a fucking day on it as this guy.
**
xxzer0: Well, let me see just one thing...
'Open Chrome Dev Tools' -> 'Network' -> 'Disable Cache'.
xxzer0: Now try again...
Junior Dev: What are you..doi........ IT'S WORKING! O.O
Chrome, I love you but sometimes I wish you could make this more "accessible" to newcomers.5 -
I'm not much a fan of JavaScript. In fact, I am not very fond of any dynamic language, but JavaScript is one of my least favorites.
But this isn't about that. I use NodeJS for all of my web serving. Why would I do that? Am I a masochist? Yes.
But this isn't about that. I use NodeJS because having the same language on client and server side is something that web has never really seen before, not in this scale. Something I really really love with NodeJS is socket connections. There's no JSON parsing, no annoying conversion of data types. You can get network data and use it AS IS. If you transmit over socket using JSON, as soon as that data arrives on the server, it is available to use. It gets me so hard.
JavaScript is built to be single-threaded, and this is rooted deep into the language. NodeJS knows this isn't gonna work. And while there's still no way to multi-thread, they still try their best and allow certain operations (Usually IO) to run async as if you were using ajax.
With modern versions of the language, the server and client side can share scripts! With the inclusion of the import keyword, for the first time I have ever seen, client and server can use the same fucking code. That is mindblowing.
Syntax is still fluffy and data types are still mushy but the ability to use the same language on both sides is respectable. Can't wait for WebASM to go mainstream and open this opportunity up to more languages!10 -
Worst documentation I've seen?
Our "Coding Standards" 20+ page document. The team who put it together got so detailed, there wasn't much 'wiggle room' for natural deviations in a developer's coding style. For example, a section devoted to no abbreviations. So if you had a variable 'invoiceId', they complained you violated 'standards', even though 'invoiceId' matched a field name in a database table. Using Dapper or another ORM that relied on the 1:1 name match? Nope, you were still forced to inject your own mappers so the code didn't violate standards.
As you can probably guess, such a long, detailed document would have contradictions. I pointed out one of the contradictions. Example:
Page 5: Section B, sub-section B-5, paragraph 3 : "To minimize network traffic, when querying the database, request all the data necessary for the application."
Page 8: Section K, sub-section K-2, paragraph 4 : "For maximum performance, when querying the database, request only the most minimum amount of data necessary for the application ."
In a review I pointed out this contradiction (there were several more)
Me: "If we satisfy A, one could say the code is in violation of B. Which is it?"
<Pointy-Hair-Boss throws his pencil on the table>
PHB: "WHAT IS YOUR PROBLEM WITH STANDARDS! It couldn't be more clear! We are a company of standards because without standards <blah blah..straw man argument..blah blah>"
<deciding not to die on that hill, I move on>
Me: "On page 12, paragraph 9 code is in violation if a method has more than 3 parameters. That seems a little restrictive given our interaction with 3rd party products."
PHB: "There you go again. As stated in the document, ALL code used by the company will comply to our standards. What part of 'ALL' do you not understand?"
Was he bluffing about requiring 3rd party vendors complying with our standards? Heck no. That's a story for another day.10 -
Today I gave my Network assessment (code) on an A4 sheet as told by the professor. He will later type the code and check if runs or not and award marks !!
ಠ▃ಠ 凸ಠ益ಠ)凸 Where is my stress ball?4 -
When I was in college I had to code a piece of software for use on the college Intranet.
When it came time to deploy, I went to the network admin to set the package up for distribution.
His first reply, "oh, it's only 8mb, thats so sad".
WHAT THE FUCK DOES IT MATTER AS LONG AS IT DOES THE JOB!5 -
The "Hot Network Questions" in the right side of every StackOverflow page.
Physics, Electronics, World building, Programming puzzles and code golf, Aviation, Skeptics... -
Client: THIS IS CRITICAL, SOME DATA HAS BEEN DELETED, WHAT ZE FUUK HAPPENED, UNDO THIS FAST
Us: so after carefully reviewing the code, related resources and the network traffic we conclude that was never sent in the first place.
*closes issue*
I'm glad we got such a meaningful bug report on the same day a production system started failing, one big deployment that that was like a boss with 3 phases, an unnecessary long meeting and an app developer that that wanted me to break HTTP standards.1 -
I just got pissed off when someone on my team asked me how to start a web server on port 8080 (needed for network port testing)
I check the port get 404. 🤔🤔🤔
Spend half an hour explaining to them about ports and how there's already a week server running... And that 404 is a HTTP Status code.
I'm pretty sure she works on our webapp and maybe even REST APIs...
New grad but still.... Not recognizing a 404?
Maybe those pretty 404 pages these days make the realizing that it's a fucking web server error response harder....1 -
Data Disinformation: the Next Big Problem
Automatic code generation LLMs like ChatGPT are capable of producing SQL snippets. Regardless of quality, those are capable of retrieving data (from prepared datasets) based on user prompts.
That data may, however, be garbage. This will lead to garbage decisions by lowly literate stakeholders.
Like with network neutrality and pii/psi ownership, we must act now to avoid yet another calamity.
Imagine a scenario where a middle-manager level illiterate barks some prompts to the corporate AI and it writes and runs an SQL query in company databases.
The AI outputs some interactive charts that show that the average worker spends 92.4 minutes on lunch daily.
The middle manager gets furious and enacts an Orwellian policy of facial recognition punch clock in the office.
Two months and millions of dollars in contractors later, and the middle manager checks the same prompt again... and the average lunch time is now 107.2 minutes!
Finally the middle manager gets a literate person to check the data... and the piece of shit SQL behind the number is sourcing from the "off-site scheduled meetings" database.
Why? because the dataset that does have the data for lunch breaks is labeled "labour board compliance 3", and the LLM thought that the metadata for the wrong dataset better matched the user's prompt.
This, given the very real world scenario of mislabeled data and LLMs' inability to understand what they are saying or accessing, and the average manager's complete data illiteracy, we might have to wrangle some actions to prepare for this type of tomfoolery.
I don't think that access restriction will save our souls here, decision-flumberers usually have the authority to overrule RACI/ACL restrictions anyway.
Making "data analysis" an AI-GMO-Free zone is laughable, that is simply not how the tech market works. Auto tools are coming to make our jobs harder and less productive, tech people!
I thought about detecting new automation-enhanced data access and visualization, and enacting awareness policies. But it would be of poor help, after a shithead middle manager gets hooked on a surreal indicator value it is nigh impossible to yank them out of it.
Gotta get this snowball rolling, we must have some idea of future AI housetraining best practices if we are to avoid a complete social-media style meltdown of data-driven processes.
Someone cares to pitch in?14 -
I dunno about coolest, but I did sort of cement my reputation as the "database guy" in my first job because of this.
My first job was with a group maintaining a series of websites. Because of the nature of the websites, every morning we had to pull the records from one database on one network, sneaker net the data to a database on another network, and import the data via custom data import function.
However, the live site would crash after 100 or so records were imported. The dba at the live site had to script out a custom data partitioning script to do his daily duties, but it definitely messed up his productivity.
Turns out, the custom mass import function had recycled the standard import function, which was only used to import 1 record at a time, and it never closed its database connections, because it never needed to. A one line fix to production code was delivered 6 months later (because that was our release cycle) and I came up with the temporary work around, which was basically removing the connection limit. It would still crash with the work around, but only with multiple days worth of data. So basically only on Monday. Also developed the test set for the import (15k+ records). -
Code your own damn stuff!
I am building a RFID and button controlled music player for kids.
I am using a couple of different modules for that. The one for the input was really laggy. I thought it was so laggy because of the network delay. I tinkered with it a week but it didn't improved. So I just coded my own module which was much easier to do than I thought.
It was a really rewarding to code something yourself in less than a day instead of trying to get something working for a week. -
At the institute I did my PhD everyone had to take some role apart from research to keep the infrastructure running. My part was admin for the Linux workstations and supporting the admin of the calculation cluster we had (about 11 machines with 8 cores each... hot shit at the time).
At some point the university had some euros of budget left that had to be spent so the institute decided to buy a shiny new NAS system for the cluster.
I wasn't really involved with the stuff, I was just the replacement admin so everything was handled by the main admin.
A few months on and the cluster starts behaving ... weird. Huge CPU loads, lots of network traffic. No one really knows what's going on. At some point I discover a process on one of the compute nodes that apparently receives commands from an IRC server in the UK... OK code red, we've been hacked.
First thing we needed to find out was how they had broken in, so we looked at the logs of the compute nodes. There was nothing obvious, but the fact that each compute node had its own public IP address and was reachable from all over the world certainly didn't help.
A few hours of poking around not really knowing what I'm looking for, I resort to a TCPDUMP to find whether there is any actor on the network that I might have overlooked. And indeed I found an IP adress that I couldn't match with any of the machines.
Long story short: It was the new NAS box. Our main admin didn't care about the new box, because it was set up by an external company. The guy from the external company didn't care, because he thought he was working on a compute cluster that is sealed off behind some uber-restrictive firewall.
So our shiny new NAS system, filled to the brink with confidential research data, (and also as it turns out a lot of login credentials) was sitting there with its quaint little default config and a DHCP-assigned public IP adress, waiting for the next best rookie hacker to try U:admin/P:admin to take it over.
Looking back this could have gotten a lot worse and we were extremely lucky that these guys either didn't know what they had there or didn't care. -
Back when I started my career (12 months ago lol), I was in IT support. Having to deal with people who have hard times locating and reading off a sticker, let alone telling me their IP adress, only to realize it's the whole store that's offline, not only their PC (gosh do they ever talk with each other). So I decided to code a small tool that shows your hostname and IP adress, and pings the router, firewall and Google DNS. Aaand just in case the number for the IT hotline. Plan was that we could just tell them to double-click on that one icon on their desktop and read out what it says. We deployed it and I was happily waiting for it's time to shine (still a trainee I was also kinda proud of it), but when the network engineer found out, he wasn't happy about it at all. He was afraid too many people would open that new tool without us telling them to do so and/or forget to close it, producing a number of pings to the router, firewall and google. He went on about Google maybe blocking our IP if we produce too many pings and so on.
In my opinion he was kinda overreacting, but he wasn't that wrong and is a nice guy and responsible for our network, so we recalled the tool and never actually used it.2 -
I'm reinventing the wheel by making yet another neural network library. It's not any good yet but I learn as I go along.
The only documentation that exists now is the admittedly quite comprehensive code comments. I'm it because Keras (using TensorFlow) requires a 3.5 compute ability rating for CUDA acceleration (which I don't have) and it doesn't support OpenCL. Eventually, I will make my implementation support both with varying levels of acceleration for different compute capabilities with the oldest supported being my hardware. If I ever get around to it.
I'd say wish me luck but determination would be infinitely more useful.2 -
Can "being lost in Hot Network Questions column of StackOverflow" be a valid reason of late delivery of code?1
-
In my current company (200+ employees) we have 3 guys who deals with everything related to service desk (format computers, fix network issues, help non-tech people...)
The same team is responsible for the AWS accounts and permissions, Jenkins, self hosted Gitlab... anyway, DevOps stuff.
Thing is: only one of them have enough DevOps background to handle the requests from the engineering team (~15 people). Also, he usually do anything "by hand" clicking trough the AWS interface on each account, never using tools like Infrastructure as Code to help (that's why I started to refer to his role only as Ops, because there's no Dev being done there).
Anyway... I asked my manager why that team is responsible for both jobs, despite the engineering guys having far more experience with those tools. He answered with a shamed smile, as he probably questioned the same to his manager:
- Because they are responsible for everything related to our Infrastructure.
Does it make sense for anyone? Am I missing something here? In what universe this kind of organization is a healthy choice?4 -
So I've created this account specifically for this rant. I usually just browse anonymously.
I've recently been hired in a big company that is one of the biggest Microsoft users in the world and my essentially revolves on making it easier for our collaborators to work with SharePoint (and other ms software)
Never in my life have I hit that much of a roadblock. So for the past week I've been trying to integrate what Ms calls webparts. And to modify the default webparts Ms provides you need to their properties (or Metadata). Except here's the big problem these are NOT documented anywhere (unless I failed to find it, if you do know where it is documented please HMU), so I've found myself trying to reverse engineer the js scripts that are served with SharePoint to figure out what the webpart properties are called and what type of data they are! I've been going through endless github repos using the CSOM nuget package (it's the library everyone uses to interact with SharePoint) and I finally found out about this other library called PnP which is a wrapper around CSOM that makes it easier to use. That wrapper has a way for me to load existing page and look at the properties of existing webparts. So here I thought it was the end of my suffering and I could finally get an idea of what it should be. Turns out this method doesn't work because one of the dependencies it has has had breaking changes and they still updated it even though it breaks their code! So for the past two days I've been trying random combinations of key values with different data types and json serialization methods.
Oh and yeah I've also looked at all the http calls via the chrome network tab, the metadata is not served as an individual file but is computed by Ms servers when they're serving you their html files.
So uh yeah run from CSOM if you can..3 -
Just learnt perfectly what the below joke means:
'I wanted to improve the world, but they wouldn't give me the source code'
I really don't understand why the world is full of obsolete processes that people fight against daily when changing things ever so slightly could take the weight of the world off their shoulders. The same thing goes for my work, I work in finance, and we use a remote app built in Windows forms (not xaml or wpf, the original forms) and it's insecure, slow, buggy, and crashes whenever you press ESC (yes, really). Even worse, I've offered to rewrite their whole network for nothing, just the improvement to people's lives. And they say no! WELL FUCK YOU FOR BEING A PLAGUE ON THE FUCKING WORLD! Why do people insist on staying behind the times when the world could be such a beautiful place?!?3 -
QA personal voice assistant that runs locally without cloud, it’s like never ending project. I look at it from time to time and time pass by. Chat bots arrived, some decent voice algorithms appeared. There is less and less stuff to code since people progress in that area a lot.
I want to save notes using voice, search trough them, hear them, find some stuff in public data sources like wikipedia and also hear that stuff without using hands, read news articles and stuff like that.
I want to spend, more time for math and core algorithms related to machine learning and deep learning.
Problem is once I remember how basic network layers, error correction algorithms work or how particular deep learning algorithm is constructed and why is that, it’s already a week passed and I don’t remember where I started.
I did it couple of times already and every time I remember more then before but understanding core requires me sitting down with pen and paper and math problems and I don’t have time for that.
Now when I’m thinking about it - maybe I should write it somewhere in organized way. Get back to blogging and write articles about what I learned. This would require two times the time but maybe it would help to not forget.
I’m mostly interested in nlp, tts, stt. Wavenet, tacotron, bert, roberta, sentiment analysis, graphs and qa stuff. And now crystallography cause crystals are just organized graphs in 3d.
Well maybe if I’m lucky I retire in the next decade or at least take a year or two years off to have plenty of time to finish this project. -
During my job hunt as a Java Developer looking for job while on a job just like what every other developers do, around twenty twelve i got an invite from one of the companies i applied for, i wasn't expecting a test though but i was prepared for it anyway. The test proceeds, i and the other partakers were given separate systems and spread out across the room like teams in a football match, i don't know if they planned on making us nervous, it seemed so very awkward. First question was *Who originally developed Java (like seriously???? i almost cummed!) i skipped... skip skip skip. After so many skipping minutes i then arrived at that question ***Check string for palindrome, hmmm i then noticed my system was connected to an open wifi (don't know if it was a dumb mistake or on purpose). I definitely googled and faithful loving heavens i found the website were they got all 21 questions with their answers from (https://simpleprogrammer.com/progra...). I answered all questions using different approach, applied xml commenting, state possibility and outcome of each code block, added wiki references, i flawed the test. Few days later i received a call for final interview, got there and the interviewer was like "Do you teach/lecture on coding or something? cus you really did pretty good on the test the other day", I felt like a god and was like "no, i don't. just did what i had to do". Seems like he loved my reply and i got the job without a second question. The open network is still a mystery to me till date.6
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AI is never going to write code efficient like Humans do.
The whole AI, neural network bullshit is overrated.
Training a Network to recognize Images or playing Super Mario is far away from writing code.4 -
When some other team wants to blame us because they're getting a HTTP Status Code 0....
That's not even a valid status... IT MEANS YOU ABORTED THE REQUEST AND KILLED THE CONNECTION...
OH STILL OUR FAULT... WELL DO U KNOW ABOUT NETWORK ISSUES AND SERVER OVERLOADING WHEN U SPAM IT WITH TOO MANY REQUESTS?
OH YOU RETRIED? HOW DID YOU RETRY? BETTER NOT BE SPAMMING US WITH MORE REQUESTS...
EVER HEARD OF TCP/IP BACK OFF LOGIC....4 -
MENTORS - MY STORY (Part II)
The next mentor was my first boss at my previous job:
2.- Manager EA
So, I got new in the job, I had a previous experience in other company, but it was no good. I learned a lot about code, but almost nothing about the industry (project management, how to handle requirements, etc.) So in this new job all I knew was the code and the structure of the enterprise system they were using (which is why the hired me).
EA was BRILLIANT. This guy was the Manager at the IT department (Software Development, Technology and IT Support) and he was all over everything, not missing a beat on what was going on and the best part? He was not annoying, he knew how to handle teams, times, estimations, resources.
Did the team mess something up? He was the first in line taking the bullets.
Was the team being sieged by users? He was there attending them to avoid us being disturbed.
Did the team accomplished something good? He was behind, taking no credit and letting us be the stars.
If leadership was a sport this guy was Michael Jordan + Ronaldo Nazario, all in one.
He knew all the technical details of our systems, and our platforms (Server Architectures both software and hardware, network topology, languages being used, etc, etc). So I was SHOCKED when I learned he had no formation in IT or Computer Science. He was an economist, and walked his way up in the company, department from department until he got the job as IT Manager.
From that I learned that if you wanna do things right, all you need is the will of improving yourself and enough effort.
One of the first lessons he taught me: "Do your work in a way that you can go on holidays without anyone having to call you on the phone."
And for me those are words to live by. Up to that point I thought that if people needed to call me or needed me, I was important, and that lessons made me see I was completely wrong.
He also thought me this, which became my mantra ever since:
LEARN, TEACH AND DELEGATE.
Thank you master EA for your knowledge.
PART I: https://devrant.com/rants/1483428/...1 -
So client wants an android app that implements some legacy Epson printer SDK, works on a chinese Windows device with an android Emulator on it, connects to local Webservice that had to be configurated and ran (local Network) , sends and tracks data, if Server down then handle it on the Client and reconnect as soon as Server up, running own TCP Server on Android device that listens for specific http requests, which make the android connect to an Epson printer to start printing. The stuff that is being printed? A png file that has to be converted to a Bitmap, a QR Code that has to be generated by the bugged base64 encrypted stuff coming via http in (webserver-> Android TCP server)
Dont forget the Software Design (MVP), documentation, research etc.. Im about to finish the app , its my 5th day on this Project, the 6th day was planned to be full testing. Client Calls me and ask me how far I am, I reply, he says ok. 30 minutes later he tells me he wont pay me next time that much because this work should take 3 days, or even 2. "A senior Android developer could do this in 2 days"... When i sent him my notices he called me a liar, his webdev has alot of experience and told him it should take 2-3 days...ffs2 -
I was flash developer once, it was great when macromedia was around, then adobe acquired them, now flash is gone.
Years are passing and most of industry is the same as always. Trying to drag you into this rat race of learning new amazing technologies, amazing projects that are actually doing same job as 50 years ago but using more memory and cpu cycles. Because all has it’s roots in algorithms from previous centuries.
So youngsters loose your best life time, be innovative by doing nothing more then copy paste from stackoverflow and duck typing shitty code.
Be a slave and sit in the amazing office, that has everything but not your real life that meanwhile is sucked by corporate squeezer till your last breath.
Be piece of shit that can be kicked around.
Watch youtube, facebook, instagram or whatever social network that shows you pictures that are fooling your mind that you’re someone special and you need this stuff.
Then be ready to suck some dicks to earn money and buy stuff you don’t need, live where you don’t want and do what you don’t like. You piece of shit.
Well that’s what disappoints me from my tech stack.
Now chill out, turn off your electronic gadgets, go out and enjoy real world.1 -
I continue to internally read and study about Smalltalk in an effort to see where we might have FUCKED UP and went backwards in terms of software engineering since I do not believe that complex source code based languages are the solution.
So I have Pharo. Nothin to complex really, everything is an object, yet, you do have room for building DSL's inside of it over a simple object model with no issue, the system browser can be opened across multiple screens (morph windows inside of a smalltalk system) for which you can edit you code in composable blocks with no issues. Blocks being a particular part of the language (think Ruby in more modern features) give ample room for functional programming. Thus far we have FP and OO (the original mind you) styles out in the open for development.
Your main code can be executed and instantly ALTER the live environment of a program as it is running, if what you are trying to do is stupid it won't affect the live instance, live programming is ahead of its time, and impressive, considering how old Smalltalk is. GUI applications can be given headless (this is also old in terms of how this shit was first distributed) So I can go ahead and package the virtual machine with the entire application into a folder, and distribute it agains't an organization "but why!!!! that package is 80+ mbs!") yeah cuz it carries the entire virtual machine, but go ahead and give it to the Mac user, or the Linux user, it will run, natively once it is clicked.
Server side applications run in similar fashion to php, in terms of lifecycles of request and how session storage is handled, this to me is interesting, no additional runtimes, drop it on a server, configure it properly and off you go, but this is common on other languages so really not that much of a point.
BUT if over a network a user is using your application and you change it and send that change over the network then the the change is damn near instant and fault tolerant due to the nature of the language.
Honestly, I don't know what went wrong or why we are not bringing this shit to the masses, the language was built for fucking kids, it was the first "y'all too stupid to get it, so here is simple" engine and we still said "nah fuck it, unlimited file system based programs, horrible build engines and {}; all over the place"
I am now writing a large budget managing application in Pharo Smalltalk which I want to go ahead and put to test soon at my institution. I do not have any issues thus far, other than my documentation help is literally "read the source code of the package system" which is easy as shit since it is already included inside. My scripts are small, my class hierarchies cover on themselves AND testing is part of the system. I honestly see no faults other than "well....fuck you I like opening vim and editing 300000000 files"
And honestly that is fine, my questions are: why is a paradigm that fits procedural, functional and OBVIOUSLY OO while including an all encompassing IDE NOT more famous, SELECTION is fine and other languages are a better fit, but why is such environment not more famous?9 -
Storytime!
(I just posted this in a shorter form as a comment but wanted to write it as a post too)
TL;DR, smarts are important, but so is how you work.
My first 'real' job was a lucky break in the .com era working tech support. This was pretty high end / professional / well respected and really well paid work.
I've never been a super fast learner, I was HORRIBLE in school. I was not a good student until I was ~40 (and then I loved it, but no longer have the time :( )
At work I really felt like so many folks around me did a better job / knew more than me. And straight up I know that was true. I was competent, but I was not the best by far.
However .... when things got ugly, I got assigned to the big cases. Particularly when I transferred to a group that dealt with some fancy smancy networking equipment.
The reason I was assigned? Engineering (another department) asked I be assigned. Even when it would take me a while to pickup the case and catch up on what was going on, they wanted the super smart tech support guys off the case, and me on it.
At first this was a bit perplexing as this engineering team were some ultra smart guys, custom chip designers, great education, and guys you could almost see were running a mental simulation of the chip as you described what you observed on the network...
What was also amusing was how ego-less these guys seemed to be (I don't pretend to know if they really were). I knew for a fact that recruiting teams tried to recruit some of these guys for years from other companies before they'd jump ship from one company to the next ... and yet when I met them in person it was like some random meeting on the street (there's a whole other story there that I wish I understood more about Indian Americans (many of them) and American engineers treat status / behave).
I eventually figured out that the reason I was assigned / requested was simple:
1. Support management couldn't refuse, in fact several valley managers very much didn't like me / did not want to give me those cases .... but nobody could refuse the almighty ASIC engineers. No joke, ASIC engineers requests were all but handed down on stone tablets and smote any idols you might have.
2. The engineers trusted me. It was that simple.
They liked to read my notes before going into a meeting / high pressure conference call. I could tell from talking to them on the phone (I was remote) if their mental model was seizing up, or if they just wanted more data, and we could have quick and effective conversations before meetings ;)
I always qualified my answers. If I didn't know I said so (this was HUGE) and I would go find out. In fact my notes often included a list of unknowns (I knew they'd ask), and a list of questions I had sent to / pending for the customer.
The super smart tech support guys, they had egos, didn't want to say they didn't know, and they'd send eng down the rabbit hole. Truth be told most of what the smarter than me tech support guy's knew was memorization. I don't want to sound like I'm knocking that because for the most part memorization would quickly solve a good chunk of tech support calls for sure... no question those guys solved problems. I wish I was able to memorize like those guys.
But memorization did NOT help anyone solve off the wall bugs, sort of emergent behavior, recognize patterns (network traffic and bugs all have patterns / smells). Memorization also wouldn't lead you to the right path to finding ANYTHING new / new methods to find things that you don't anticipate.
In fact relying on memorization like some support folks did meant that they often assumed that if bit 1 was on... they couldn't imagine what would happen if that didn't work, even if they saw a problem where ... bro obviously bit 1 is on but that thing ain't happening, that means A, B, C.
Being careful, asking questions, making lists of what you know / don't know, iterating LOGICALLY (for the love of god change one thing at a time). That's how you solved big problems I found.
Sometimes your skills aren't super smarts, super flashy code, sometimes, knowing every method off the top of your head, sometimes you can excel just being more careful, thinking different.4 -
About slightly more than a year ago I started volunteering at the local general students committee. They desperately searched for someone playing the role of both political head of division as well as the system administrator, for around half a year before I took the job.
When I started the data center was mostly abandoned with most of the computational power and resources just laying around unused. They already ran some kvm-hosts with around 6 virtual machines, including a cloud service, internally used shared storage, a user directory and also 10 workstations and a WiFi-Network. Everything except one virtual machine ran on GNU/Linux-systems and was built on open source technology. The administration was done through shared passwords, bash-scripts and instructions in an extensive MediaWiki instance.
My introduction into this whole eco-system was basically this:
"Ever did something with linux before? Here you have the logins - have fun. Oh, and please don't break stuff. Thank you!"
Since I had only managed a small personal server before and learned stuff about networking, it-sec and administration only from courses in university I quickly shaped a small team eager to build great things which would bring in the knowledge necessary to create something awesome. We had a lot of fun diving into modern technologies, discussing the future of this infrastructure and simply try out and fail hard while implementing those ideas.
Today, a year and a half later, we look at around 40 virtual machines spiced with a lot of magic. We host several internal and external services like cloud, chat, ticket-system, websites, blog, notepad, DNS, DHCP, VPN, firewall, confluence, freifunk (free network mesh), ubuntu mirror etc. Everything is managed through a central puppet-configuration infrastructure. Changes in configuration are deployed in minutes across all servers. We utilize docker for application deployment and gitlab for code management. We provide incremental, distributed backups, a central database and a distributed network across the campus. We created a desktop workstation environment based on Ubuntu Server for deployment on bare-metal machines through the foreman project. Almost everything free and open source.
The whole system now is easily configurable, allows updating, maintenance and deployment of old and new services. We reached our main goal for this year which was the creation of a documented environment which is maintainable by one administrator.
Although we did this in our free-time without any payment it was a great year with a lot of experience which pays off now. -
F**king hate Windows for its insanely confusing proxy setup required for software development...
> Setup proxy in Windows network settings
> Then, setup HTTP_PROXY & HTTPS_PROXY environment variable at the system/user level.
> Followed by separate proxy settings for java, maven, docker, git, npm, bower, jspm, eclipse, VS Code, every damn IDE/Editor which downloads plugins...
> On top of everything, find out the domains which does not need to go through proxy and add them to NO_PROXY.. at each level..
> It does not end here. Sometimes, I need to setup proxy for SSH connections... like, if I have to use git with SSH and not HTTP/S... Uhhh....
More than half of the problems me and my dev team face is related to setting the right proxy. Why can't it be like, set in one place and everything picks up from there, like in any linux machine or for God's sake, a Mac ?
Worst of all is, my org uses a configuration script, which resolves into a list of proxy servers, from which one of them will be used. So, I need to download that script, find out which is the right proxy server and then, use it in all the aforesaid places... WTH ?????
Is this a common workplace problem for all developers ??? Will this be solved by Windows Subsystem for Linux ???9 -
1) Never be afraid to ask questions.
There are so many instances of situations where assumptions have been made that shouldn’t have been made, resulting in an oversight that could have been rectified earlier in a process and wasn’t.
Just because no one’s asking a question doesn’t mean you’re the only person who has it.
That being said, it’s really important to figure out how to ask questions. Provide enough context so that the audience for your question understands what you’re really asking. If you’re trying to troubleshoot a problem, list out the steps you’ve already tested and what those outcomes were.
2) When you’ve learned something, try to write about it. Try to break it down as though you were explaining it to a child. It’s through breaking down a concept into its most simple terms that you really know that you understand it.
3) Don’t feel like you have to code *all of the time*. Just because this is what you’re doing for a living doesn’t mean that you have to make it your life. Burnout is real, and it happens a lot faster if it’s all you do.
4) Find hobbies outside of tech!
5) Network. There are a number of great communities. I volunteer for and am a member of Virtual Coffee, and can vouch for that community being particularly friendly and approachable.
6) Don’t let a company pay you less than industry standard and convince you that they’re doing you the favor of employing you.
7) Negotiate salary. Always.
8) If you’re a career transitioner, don’t be afraid to talk about your previous work and how it gave you experience that you can use in programming. There’s a whole lot of jobs that require time management, multi-tasking, critical thinking, etc. Those skills are relevant no matter where you got them.
9) If it takes a while for you to get a gig, it’s not necessarily a reflection on you or your abilities.
10) Despite what some people would say, coding’s not for everyone. Don’t feel like you have to continue down a road just because you started walking down it. Life’s not a straight path. -
Hello all,
I am an apprentice, 19. I joined this software developer apprenticeship to leave college as it was not particularly great for my mental health, and programming is the only thing I can do reasonably well.
The company that I find myself in is a strange one. It has about twenty or so employees, but we all instructed to operate as if we are a giant company—our sales person, for example, will tell our clients that we have hundreds.
The development team is a collection of software developers. There is no database administrator, network administrator, software engineer (not in name only), test engineer, requirements engineer, etc. There are just several software developers. Of these developers, one has left by now. When he joined, he was promised to be working on a new system: he left after spending seven years on an old system. A new developer has just arrived to replace him: he was told he would be working with Raspberry Pis; it was interesting to see his face after we informed him that we do not use Raspberry Pis.
The codebase is fourty-years-old and written in Delphi, which is some kind of cousin of pascal, from what I understand. Code is not peer-reviewed. Instead, it is self-reviewed, and you just push whatever changes you make. The code is very much spaghetti, and there is a whole array of bugs that, at least to me, look impossible to track down and fix. I have a bug assigned to me at the moment were someone appears somewhere when they are not supposed to. After asking seniors about this, I learn of this huge checking mechanism and all of its flaws: a huge, flawed checking mechanism... for toggling a single boolean value. This isn't a complicated boolean value, by the way, this is just a value to say whether someone has clocked in or clocked out of a building, via a button.
In terms of versioning, we have several releases, and we often do development work in older releases (or new releases and then write them into older releases) because our clients are larger than us and often refuse to upgrade, and the boss does not want to lose any contracts. We also essentially have multiple master branches.
With the lack of testers, bizarre version control, what appears to be unfiffled promises to staff, etc. I must ask that, since this is my first gig as a software developer, is any of this normal?2 -
Starting to learn neural network...
I have been interested in Machine Learing from long time back.
getting the basics corrected now....
Never thought calculas is going to be required in programming.2 -
I like how software is smart so I have to do things twice instead of once.
Automatically putting quotes works only if you put quotes and then paste inside it, the problem is I usually paste then put first quote and then need to remove second quote and put it on back and remove second quote from back.
Video start from where you left automatically fires and shows closing credits because you obviously want to see them.
Evaluate variable removes old evaluation because why you want old one when you have new.
Collapsing imports or functions in ide so you need to expand them all the time because who needs to look at functions when we have ai
AI models suggesting and adding meaningless annotations and code suggestions to distract me.
Randomly running some console command because I entered keyboard shortcut I don’t know even exists.
Literally every web browser address bar becomes advertising network instead of showing me history results.
Shadowing browsing history when you click back and forward button.
Search results are now buy results.
Suggesting me useless crap to watch because I watched one video in that topic.
Showing me 10 minutes videos as a solution to my problem where I want to find exact line of text to copy paste it. If I’m lucky I need to write text from video into my computer.
Stack overflow infinite loop of answered in #some-different-question
I think it’s about time for me to slowly retire from programming and software as a whole or switch to notepad because I don’t want to use this crap anymore.
Looks like software is now meant for entertainment and distraction instead of doing actual work where you need precise data and information.
Luckily if everything goes good I can retire soon and throw everything away for a while.3 -
1 - I love coding because since when I was a kid I really loved to solve problems and create things
2 - I always tried to understand how computers worked, and how could yo make a program because when I was a kid I was almost always on the computer and my dream was to create a virus 😂
3 - I was studying my baccalaureate and I hadn't decided what to study in the university. I was only playing videogames and installing software to make jokes. So, my computing teacher taught me to code in VB.net and how to manage a local network so I decided to study and IT degree before going to the university, and when I was studying that I falled in love with programming so I'm currently in the university studying software development engineer -
Soon to finish my CompSci degree and already have been invited to relatives for dinner... And IT-support...
(They had statically set their NAS to the same IP as the router and lost it)
I guess its time to prepare for the onslaught of screw-ups I'll be asked to fix.5 -
I seriously don't fucking understand those people who like programming iDevices.
I mean, in my personal experience you have:
- iPhone not connecting to a WiFi (while working on a network project)
- Mac, while using multiple desktops on 2 monitors: I have the 3rd desktop active on the 2nd monitor, search for terminal to open it and it opens in the 1st desktop of the first monitor
- while making an app (ionic or unity), is about 5 to 15 times slower compared to the same android apps (same exact code, but gotta go throught XCode, y'know?)
- takes YEARS to download XCode, but is necessary to even just build for lastest iPhones updated
- takes years to upload to AppStore and when it's done it just tells you "oh bitch, you know what? you forgot that fucking icon for tablets, how about you rebuild it all? and NO, you have to change the build number or I won't accept it"
- App quality was so pedantic on the first publish but then always fucks it up at the second upload, like "hey we checked it the first time, now we can just 100% trust it works and doesn't use anything scammy"
- code+compiled app for iOS is like 1GB while android vode+build is like 100MB WTF do you even put in those 900MB? random trash? WHY?
- I'm not even gonna get into the forums or the amount of money you have to pay for both product and services
- MacOS works ALMOST like Linux, but takes all the worst from both windows and linux to give you the worst performance with the best graphics, but it looks cool, so doesn't matter
A good world would be a world where Apple goes bankrupt after Steve Jobs died1 -
My first rant. Woohoo!
Honestly I do the whole shebang ussualy depending on what the needs are from network to servers to coding because for some reason nobody has any technical experience where I work.
I just started app development for a gamedev startup and I am in sheer awe of the amount of transpiling/compiling etc that needs to be done for an multiplatform app for iOS and android with js(x)/typescript, html, css.
I remember when I could just write some spaghetti code to make it working by following a couple of tutorials. Then refractoring and testing it for a couple of hours and be done with it. push it into production.
Now I am lost having to learn OOP, functional programming, reactjs, react native, express, webpack, mongodb, babel, and the list goes on and on...
Why not just make a new backend that does all of that in another language which supports all of that.
I have no formal education in programming/coding and the last time I learned JS it was just some if else, switches and simple dom manipulation.
I just want to get to coding a freakin' game but I have to learn JSX for the front and typescript on the backend.
I am this close to going back to ye ol' lamp stack and quitting this job. 😥5 -
Sooooo ok ok. Started my graduate program in August and thus far I have been having to handle it with working as a manager, missing 2 staff member positions at work, as well as dealing with other personal items in my life. It has been exhausting beyond belief and I would not really recommend it for people working full time always on call jobs with a family, like at a..
But one thing that keeps my hopes up is the amount of great knowledge that the professors pass to us through their lectures. Sometimes I would get upset at how highly theoretical the items are, I was expecting to see tons of code in one of the major languages used in A.I(my graduate program has a focus in AI, that is my concentration) and was really disappointed at not seeing more code really. But getting the high level overview of the concepts has been really helpful in forcing me to do extra research in order to reconnect with some of the items that I had never thought of before.
If you follow, for example, different articles or online tutorials representing doing something simple like generating a simple neural network, it sometimes escapes our mind how some of the internal concepts of the activity in question are generated, how and why and the mathematical notions that led researchers reach the conclusions they did. As developers, we are sometimes used to just not caring about how sometimes a thing would work, just as long as it works "we will get back to this later" is a common thing in most tutorials, such as when I started with Java "don't worry about what public static main means, just write it up for now, oh and don't worry about what System.out.println() is, just know that its used to output something into bla bla bla" <---- shit like that is too common and it does not escape ML tutorials.
Its hard man, to focus on understanding the inner details of such a massive field all the time, but truly worth it. And if you do find yourself considering the need for higher education or not, well its more of a personal choice really. There are some very talented people that learn a lot on their own, but having the proper guidance of a body of highly trained industry professionals is always nice, my professors take the time to deal with the students on such a personal level that concepts get acquired faster, everyone in class is an engineer with years of experience, thus having people talk to us at that level is much appreciated and accelerates the process of being educated.
Basically what I am trying to say is that being exposed to different methodologies and theoretical concepts helps a lot for building intuition, specially when you literally have no other option but to git gud. And school is what you make of it, but certainly never a waste.2 -
WTF is going on with twitter?!
- Yesterday I've Installed the app and tried to signup
- I've entered my birthday
- Entered phone number
- Wait for SMS...no SMS
- Tap resend...no SMS
- Wait half an hour...no SMS
- Tried few times...Started getting error: This number cannot be registered..
- Today I've tried again
- Phone number accepted
- Wait for SMS...no SMS
- Tried adding my number to a friend's twitter account...Received SMS code..
- Tried again signing up with my phone number, got error: This number cannot be registered..
- Tried from web, getting error: You reached your SMS limit try again in 24h...
How can I reach my f***** limit when I haven't even received a mail!
I've been trying to signup to twitter for 2 f**** days now with no luck, wtf is happening? it's a major social network for f*** sake.
And what's worse there is no way to send support mail, their "Contact US" page only has options for existing users..8 -
New twist on an old favorite.
Background:
- TeamA provides a service internal to the company.
- That service is made accessible to a cloud environment, also has a requirement to be made available to machines on the local network so you can develop against it.
- Company is too cheap/stupid to get a s2s vpn to their cloud provider.
- Company also only hosts production in the cloud, so all other dev is done locally, or on production non-similar infra, local dev is podman.
- They accomplish service connectivity by use of an inordinately complicated edge gateway/router/firewall/message translator/ouija board/julienne fry maker, also controlled by said service team.
Scenario:
Me: "Hey, we're cool with signing requests using an x509 cert. That said, doing so requires different code than connecting to an unsecured endpoint. Please make this service accessible to developer machines and lower environments on the internal network so we can, you know, develop."
TeamA: "The service should be accessible to [cloud ip range]"
Me: "Yes, that's a production range. We need to be able to test the signing code without testing in production"
TeamA: "Can you mock the data?"
Me: "The code we are testing is relating to auth, not business logic"
TeamA: "What are you trying to do?"
Me: "We are trying to test the code that uses the x509 you provide to connect to the service"
TeamA: "Can you deploy to the cloud"
Me: "Again, no, the cloud is only production per policy, all lower environments are in the local data center"
TeamA: "can you try connecting to the gateway?"
Me: "Yes, we have, it's not accessible, it only has public DNS, and only allows [cloud ip range]"
TeamA: "it work when we try it"
Me: "Can you please supply repro steps so we can adjust our process"
TeamA: "Yes, log into the gateway and try issuing the call from there"
Me: (╯°□°)╯︵ ┻━┻
tl;dr: Works on my server -
Going for an interview with them asking me to open console on their laptop and type a 1 liner in JavaScript that will make an array with indices being numeric values 1-20. Their machine doesnt want to work and never wanted to log in... So i do the following:
1.Pull out my phone
2.Open Thermux
3.Ask for wifi password
4.Install node on my phone and write the below attached code
Needless to say. I actually feel good about myself, i got the job and a good offer and the network password...6 -
Imagine a web way ahead of our time where its size goes beyond our imagination...
This is my first rant, and I'll cut to the chase! I don't like how web currently stands. Here's what makes me angry the most altough I know there's a myriad of solutions or workarounds:
- A gazillion credentials/accounts/services in your lifetime.
- Everyone tries to reinvent the wheel.
- There's no single source of truth.
- Why the fuck there's so much design in a vision that started as a network of documents? Why is it that we need to spend time and energy to absorb the page design before we can read what we are after?
- What's up with the JS front end frameworks?! MB's of code I need to download on every page I visit and the worse is the evaluation/parsing of it. Talk about acessibility and the energy bills. I don't freaking need a SPA just give a 20-50ms page load and I'm good to go!
- I understand that there's a whole market based on it but do we really need all that developer tools and services?
- Where's our privacy by the way? Why the fuck do I need ads? Can't I have a clue about what I wan't to buy?
Sticking with this points for now... Got plenty more to discuss though.
What I would like to see:
A unique account where i can subscribe services/forums/whatever. No credentials. Credentials should be on your hardware or OS. Desktop Browser and mobile versions sync everything seemlesly. Something like OpenID.
Each person has his account and a profile associated where I share only what I want with whom I want when I want to.
Sharing stuff individually with someone is easy and secure.
There's no more email system like we know. Email should be just email like it started to be. Why the hell are we allowing companies to send us so much freaking "look at me now, we are awesome", "hey hey buy from me".. Here's an idea, only humans should send emails. Any new email address that sends you an email automatically requests your "permission" to communicate with you. Like a friend request.
Oh by the way did I tell you that static mail is too old for us? What we need is dynamic email. Editing documents on the fly, together, realtime, on the freaking email. Better than mail, slack and google docs combined.
In order for that to work reasonably well, the individual "letter" communication would have to be revamped in a new modern approach.
What about the single source of truth I talked about? Well heres what we should do. Wikipedia (community) and Larry Page (concept) gave us tremendous help. We just need to do better now.
Take the spirit of wikipedia and the discoverability that a good search engine provides us and amp that to a bigger scale. A global encyclopedia about everything known to mankind. Content could be curated from us all just like a true a network.
In this new web, new browser or whatever needed to make this happen I could save whatever I want, notes, files, pictures... and have it as I left it from device to device.
Oh please make web simple again, not easy just simple and bigger.
I'm not old by the way and I don't see a problem with being older btw.
Those are just my stupid rants and ideas. They are worth nothing. What I know for sure is that I'll do something about or fail trying to.12 -
just found out a vulnerability in the website of the 3rd best high school in my country.
TL;DR: they had burried in some folders a c99 shell.
i am a begginer html/sql/php guy and really was looking into learning a bit here and there about them because i really like problem solving and found out ctfs mainly focus on this part of programming. i am a c++ programmer which does school contest like programming problems and i really enjoy them.
now back on topic.
with this urge to learn more web programming i said to myself what other method to learn better than real life sites! so i did just that. i first checked my school site. right click. inspect element. it seemed the site was made with wordpress. after looking more into the html code for the site i concluded all the images and files i could see on the site were from a folder on the server named 'wp-content/uploads'. i checked the folder. and here it got interesting. i did a get request on the site. saw the details. then i checked the site. bingo! there are 3 folders named '2017', '2018', '2019'. i said to myself: 'i am god.'
i could literally see all the announcements they have made from 2017-2019. and they were organised by month!!! my curiosity to see everything got me to the final destination.
with this adrenaline i thought about another site. in my city i have the 3rd most acclaimed high school in the country. what about checking their security?
so i typed the web address. looked around. again, right click, inspect element and looked around the source code. this time i was more lucky. this site is handmade!!! i was soooo happy because with my school's site i was restricted with what they have made with wordpress and i don't have much experience with it.
amd so i began looking what request the site made for the logos and other links. it seemed all the other links on the site were with this format: www.site.com/index.php?home. and i was very confused and still am. is this referencing some part of the site in the index.php file? is the whole site written inside the index.php file and with the question mark you just get to a part of the site? i don't really get it.
so nothing interesting inside the networking tab, just some stylesheets for the site's design i guess. i switched to the debugger tab and holy moly!! yes, it had that tree structure. very familiar. just like a project inside codeblocks or something familiar with it. and then it clicked me. there was the index.php file! and there was another folder from which i've seen nothing from the network tab. i finally got a lead!! i returned in the network tab, did a request to see the spgm folder and boooom a site appeared and i saw some files and folders from 2016. there was a spgm.js file and a spgm.php file. there was a contrib, flavors, gal and lang folders. then it once again clicked me! the lang folder was las updated this year in february. so i checked the folder and there were some files named lang with the extension named after their language and these files were last updated in 2016 so i left them alone. but there was this little snitch, this little 650K file named after the name of the school's site with the extension '.php' aaaaand it was last modified this year!!!! i was so excited! i thought i found a secret and different design of the site or something completely else! i clicked it and at first i was scared there was this black/red theme going on my screen and something was a little odd. there were no school announcements or event, nononoooo. this was still a tree structured view. at the top of the site it's written '!c99Shell v. 1.0...'
this was a big nono. i saw i could acces all kinds of folders. then i switched to the normal school website and tried to access a folder i have seen named userfiles and got a 403 forbidden error. wopsie. i then switched to the c99 shell website and tried to access the userfiles folder and my boy showed all of its contents. it was nakeeed naked. like very naked. and in the userfiles folder there were all, but i mean ALL files and folders they have on the server. there were a file with the salary of each job available in the school. some announcements. there was a list with all the students which failed classes. there were folders for contests they held. it was an absolute mess and i couldn't believe it.
i stopped and looked at the monitor. what have i done? just to learn some web programming i just leaked the server of the 3rd most famous high school in my country. image a black hat which would have seriously caused more damage. currently i am writing an email to the school to updrage their security because it is reaaaaly bad.
and the journy didn't end here. i 'hacked' the site 2 days ago and just now i thought about writing an email to the school. after i found i could access the WHOLE server i searched for the real attacker so if you want to knkw how this one went let me know in the comments.
sorry for the long post, but couldn't held it anymore13 -
1) Learning little to nothing useful in formal post-secondary and wasting tons of time and money just to have pain and suffering.
"Let's talk about hardware disc sectors divisions in the database course, rather than most of you might find useful for industry."
"Lemme grade based on regurgitating my exact definitions of things, later I'll talk about historical failed network protocols, that have little to no relevance/importance because they fucking lost and we don't use them. Practical networking information? Nah."
"Back in the day we used to put a cup of water on top of our desktops, and if it started to shake a lot that's how you'd know your operating system was working real hard and 'thrashing' "
"Is like differentiation but is like cat looking at crystal ball"
"Not all husbands beat their wives, but statistically...." (this one was confusing and awkward to the point that the memory is mostly dropped)
Streams & lambdas in java, were a few slides in a powerpoint & not really tested. Turns out industry loves 'em.
2) Landed my first student job and get shoved on an old legacy project nobody wants to touch. Am isolated and not being taught or helped much, do poorly. Boss gets pissed at me and is unpleasant to work with and get help from. Gets to the point where I start to wonder if he starts to try and create a show of how much of a nuisance I am. He meddle with some logo I'm fixing, getting fussy about individual pixels and shades, and makes a big deal of knowing how to use GIMP and how he's sitting with me micromanaging. Monthly one on one's were uncomfortable and had him metaphorically jerking off about his lifestory career wise.
But I think I learned in code monkey industry, you gotta be capable of learning and making things happen with effectively no help at all. It's hard as fuck though.
3) Everytime I meet an asshole who knows more and accomplish than I do (that's a lot of people) with higher TC than me (also a lot of people). I despair as I realize I might sound like that without realizing it.
4) Everytime I encounter one of my glaring gaps in my knowledge and I'm ashamed of the fact I have plenty of them. Cargo cult programming.
5) I can't do leetcode hards. Sometimes I suck at white board questions I haven't seen anything like before and anything similar to them before.
6) I also suck at some of the trivia questions in interviews. (Gosh I think I'd look that up in a search engine)
7) Mentorship is nigh non-existent. Gosh I'd love to be taught stuff so I'd know how to make technical design/architecture decisions and knowing tradeoffs between tech stack. So I can go beyond being a codemonkey.
8) Gave up and took an ok job outside of America rather than continuing to grind then try to interview into a high tier American company. Doubtful I'd ever manage to break in now, and TC would be sweet but am unsure if the rest would work out.
9) Assholes and trolls on stackoverflow, it's quite hard to ask questions sometimes it feels and now get closed, marked as dupe, or downvoted without explanation.3 -
What a week at work...
As some of you might know, it‘s currently very hot in Germany with temperatures rising up to 35°C. That‘s when our AC at work decided to stop working. I‘m working in the third floor of a three story building so it‘s getting very hot in the office.
The day after we had a 45 min powercut and the AC still does not work.
Today when I got up and wanted to go to work, I got an E-Mail saying that we have another powercut which lasts at least three hours. We‘re supposed to work from home using VPN. But how the fuck should I be able to log into the VPN if the network is offline?! Oh and of course our GitLab server is hosted in house as well, so no access to any code at all.
Hopefully next week is gonna be a better one...1 -
I code. I'm not a network or security admin. Did you even read my resume before hiring me? It says "math degree then data analysis then programming degree" Subnets, firewalls and security certs are not my areas of expertise. Given enough time, could I stumble through? Probably. But I'd probably come up with something worthy of mocking on networkadminrant.
-
Rant && SPAM alert!
I'm learning QML, to create plasma widgets and I wasted all the fucking day fighting with layouts and trying to understand why the settings window was not rendered (now it's rendered but I still don't understand why it wasn't before, the code is the same!)
so at the end of the day I ried to apply what i learnt in a fresh new widget that shows (some) PiHole statistics from its API.
on first run:
it runs fine, no errors... ok let's do some tests... turn off network, whole DE freeze WTF!?! one widget error (network error in this case) can freeze the whole DE.
restarted plasma, FIXED the bug (debugging process basically is:
try something - freeze - restart plasma - repeat
),
No more freeze!
if you're a KDE and pihole user and you want try my widget:
https://github.com/ShellAddicted/...
P.S: I'm adding right now a switch to quickly enable/disable pi hole over API directly from your desktop. i will push tomorrow.4 -
If you have striggled a lot to find good diagram makers/editor. Here is the one.
draw.io is free online diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams.
Try it. Its open source. Even the code is open source, you can get the war and run it in you tomcat offline...
I am listing few type of diagram you can draw are
1. ER Diagram
2. UML Diagram
3. Business process workflows
4. Bootstrap components for mock screens
5. Wireframes
6. Floor plan
7. Network diagram
Many more...
Explore!!!
https://www.draw.io -
Those little assholes who code the web interfaces for the provider specific router. You also can't replace it with a fritzbox or something similar.
1. Password field only
2. Password field is no password field
3. This red internet thing doesn't tell me what's fucking wrong
4. The "diagnose" says everything is alright with my internet
5. It always complains because not every device in my network supports gigabit yet (there is an old switch). No reason to show everything in fucking red imo.
6. The things it lists I have to check can be and also should be checked by the fucking thing itself. Like wtf. They wanted a lot of money from me for this shitty thing and there is no temperature sensor to check if it's too hot.
7. It just stops working on hot days... Restart manually solves it. Let's restart manually from work when I have to access my files on my NAS from fucking 40 km away..
(see comments for more screenshots)4 -
Did two bachelors (network/system then dev).
Useful ?
Well I learnt some basics during the first year; but then being curious and searching things by myself made them completely useless.
Almost every interview I did were successful and didn't asked for my degrees but what I was actually able to do, code and understand.2 -
I need some opinions on Rx and MVVM. Its being done in iOS, but I think its fairly general programming question.
The small team I joined is using Rx (I've never used it before) and I'm trying to learn and catch up to them. Looking at the code, I think there are thousands of lines of over-engineered code that could be done so much simpler. From a non Rx point of view, I think we are following some bad practises, from an Rx point of view the guys are saying this is what Rx needs to be. I'm trying to discuss this with them, but they are shooting me down saying I just don't know enough about Rx. Maybe thats true, maybe I just don't get it, but they aren't exactly explaining it, just telling me i'm wrong and they are right. I need another set of eyes on this to see if it is just me.
One of the main points is that there are many places where network errors shouldn't complete the observable (i.e. can't call onError), I understand this concept. I read a response from the RxSwift maintainers that said the way to handle this was to wrap your response type in a class with a generic type (e.g. Result<T>) that contained a property to denote a success or error and maybe an error message. This way errors (such as incorrect password) won't cause it to complete, everything goes through onNext and users can retry / go again, makes sense.
The guys are saying that this breaks Rx principals and MVVM. Instead we need separate observables for every type of response. So we have viewModels that contain:
- isSuccessObservable
- isErrorObservable
- isLoadingObservable
- isRefreshingObservable
- etc. (some have close to 10 different observables)
To me this is overkill to have so many streams all frequently only ever delivering 1 or none messages. I would have aimed for 1 observable, that returns an object holding properties for each of these things, and sending several messages. Is that not what streams are suppose to do? Then the local code can use filters as part of the subscriptions. The major benefit of having 1 is that it becomes easier to make it generic and abstract away, which brings us to point 2.
Currently, due to each viewModel having different numbers of observables and methods of different names (but effectively doing the same thing) the guys create a new custom protocol (equivalent of a java interface) for each viewModel with its N observables. The viewModel creates local variables of PublishSubject, BehavorSubject, Driver etc. Then it implements the procotol / interface and casts all the local's back as observables. e.g.
protocol CarViewModelType {
isSuccessObservable: Observable<Car>
isErrorObservable: Observable<String>
isLoadingObservable: Observable<Void>
}
class CarViewModel {
isSuccessSubject: PublishSubject<Car>
isErrorSubject: PublishSubject<String>
isLoadingSubject: PublishSubject<Void>
// other stuff
}
extension CarViewModel: CarViewModelType {
isSuccessObservable {
return isSuccessSubject.asObservable()
}
isErrorObservable {
return isSuccessSubject.asObservable()
}
isLoadingObservable {
return isSuccessSubject.asObservable()
}
}
This has to be created by hand, for every viewModel, of which there is one for every screen and there is 40+ screens. This same structure is copy / pasted into every viewModel. As mentioned above I would like to make this all generic. Have a generic protocol for all viewModels to define 1 Observable, 1 local variable of generic type and handle the cast back automatically. The method to trigger all the business logic could also have its name standardised ("load", "fetch", "processData" etc.). Maybe we could also figure out a few other bits too. This would remove a lot of code, as well as making the code more readable (less messy), and make unit testing much easier. While it could never do everything automatically we could test the basic responses of each viewModel and have at least some testing done by default and not have everything be very boilerplate-y and copy / paste nature.
The guys think that subscribing to isSuccess and / or isError is perfect Rx + MVVM. But for some reason subscribing to status.filter(success) or status.filter(!success) is a sin of unimaginable proportions. Also the idea of multiple buttons and events all "reacting" to the same method named e.g. "load", is bad Rx (why if they all need to do the same thing?)
My thoughts on this are:
- To me its indentical in meaning and architecture, one way is just significantly less code.
- Lets say I agree its not textbook, is it not worth bending the rules to reduce code.
- We are already breaking the rules of MVVM to introduce coordinators (which I hate, as they are adding even more unnecessary code), so why is breaking it to reduce code such a no no.
Any thoughts on the above? Am I way off the mark or is this classic Rx?16 -
In Django code, looking at a class for caching REST calls. The cache is using Redis via Django's cache layer. In order to store different sets of parameters, each endpoint gets a "master" cache, that lists the other Redis keys, so they can be deleted when evicting the cache. Something isn't right, though. The cache has steadily increased in size and slowed down since 2014 even though many events clear the whole thing!
... And then it hit me. Nothing empties the list of cache keys. Nothing. So it has been growing endlessly since 2014. And everytime it grows, cache eviction gets a little more expensive, network traffic increases a little more, and cache evictions get a little slower.
Fixing this bug took things that were taking routinely an entire minute to complete and made them take a couple seconds. -
*News for the users here that deal with web hosting here*
Hey there anyone that vaguely remembers me, so have been busy with my network lately dont have much time to get back here, I dont know if someone has already reported this new, I found it while I was scooting for news to share on my site (shameless plug: https://legionfront.me/pages/news)
Its about our loved /s and highly used Wordpress and its lovely code /ss
https://thehackernews.com/2018/02/...
Short story short if, there is an exploit (of the many) to DDoS a network of worpress sites that has been present since almost literally forever, the code to fix it is in the articleundefined wordpress shilling ddos end my life immediately news security legion code quality legion frontier8 -
I hope I did not make the wrong decision here:
Been working on a side project using React Js for a year now. After getting to know more about Vue, I just started rewriting it and moving it to Vue, to speed things up I'm using core JS classes for network stuff and validations ...etc just rewriting Redux to Vuex and React Components to Vue Templates
If I made the wrong decision I'd appreciate if anyone tell me about it before I go deeper in the rewrite process lol
It is not that I found speed difference both perform the same from what I've seen for my scenarios. But the output code of Vue is soooo much cleaner than what I found in React, either I failed to write a clean react code no matter how hard I try to optimize it, or Vue really takes the short way and keeps things clean.19 -
Has hacking become a hobby for script-kiddies?
I have been thinking about this for a while know, I went to a class at Stanford last summer to learn penetration-testing. Keep in mind that the class was supposed to be advanced as we all knew the basics already. When I got there I was aggravated by the course as the whole course was using kali linux and the applications that come with it.
After the course was done and I washed off the gross feeling of using other peoples tools, I went online to try to learn some tricks about pen-testing outside of kali-linux tools. To my chagrin, I found that almost 90% of documentation from senior pen-testers were discussing tools like "aircrack-ng" or "burp-suite".
Now I know that the really good pen-testers use their own code and tools but my question is has hacking become a script kiddie hobby or am I thinking about the tools the wrong way?
It sounds very interesting to learn https and network exploits but it takes the fun out of it if the only documentation tells me to use tools.3 -
Sharing a first look at a prototype Web Components library I am working on for "fun"
TL;DR left side is pivot (grouped) table, right side is declarative code for it (Everything except the custom formatting is done declaratively, but has the option to be imperative as well).
====
TL;DR (Too long, did read):
I'm challenging myself to be creative with the cool new things that browsers offer us. Lani so far has a focus on extreme extensibility, abstraction from dependencies, and optional declarative style.
It's also going to be a micro CSS framework, but that's taking the back-seat.
I wanted to highlight my design here with this table, and the code that is written to produce this result.
First, you can see that the <lani-table> element is reading template, data, and layout information from its child elements. Besides the custom highlighting code (Yellow background in the "Tags" column, and green gradient in the "Score" column), everything can be done without opening even a single script tag.
The <lani-data-source> element is rather special. It's an abstraction of any data source, and you, as a developer can add custom data sources and hook up the handlers to your whim (the element itself uses the "type" attribute to choose a handler. In this case, the handler is "download" which simply sends a fetch request to the server once and downloads the result to memory).
Templates are stored in an html file, not string literals (Which I think really fucks the code) and loaded async, then cached into an object (so that the network tab doesn't get crowded, even if we can count on the HTTP cache). This also has the benefit of allowing me to parse the HTML templates once and then caching the parsed result in memory, so templates are never re-parsed from string no matter how many custom elements are created.
Everything is "compiled" into a single, minified .js file that you include on your page.
I know it's nothing extraordinary, but for something that doesn't need to be compiled, transpiled, packaged, shipped, and kissed goodnight, I think it's a really nice design and I hope to continue work on it and improve it over time1 -
A long time ago you sent me an email with the subject 'I love you', I then got so excited that I forwarded the letter to all my contacts, and they forwarded it too.. I can't describe the words for the feelings I had back then for you. I felt into love with you, really. But there were always troubling moments for me.
For example when 'Code Red' showed up and found your backdoor. Man I was pissed at that time. I didn't know what to do next. But things settled, and we found each other again.
And then that other time when this girl named 'Melissa' was sending me some passwords to pr0n sites, I couldn't resist. She was really awesome, but you know, deep in my heart that was not what I wanted. I somehow managed to go back to you and say sorry. We even moved together in our first flat, and later in our own house. That was a really good time, I love to think back at those moments.
Then my friend 'Sasser' came over to us one night, do you remember how he claimed that big shelf in our living room, and overflooded it with his own stuff, so that we haven't a clue we are reading yet offshelve? Wow that was a disturbing experience.
But a really hard time has come when our dog 'Zeus' got kicked by this ugly trojan horse. I really don't want go into details how the mess looked like after we discovered him on our floor. Still, I am very sorry for him that he didn't survived it :(
Some months later this guy named 'Conficker' showed up one day. I shitted my pants when I discovered that he guessed my password on my computer and got access to all my private stuff on it. He even tried to find some network shares of us with our photos on it. God, I was happy that he didn't got access to the pics we stored there. Never thought that our homemade photos are not secure there.
We lived our lives together, we were happy until that day when you started the war. 'Stuxnet..'! you cried directly in my face, 'you are gonna blow up our centrifuges of our life', and yeah she was right. I was in a real bad mood that days back then. I even not tried to hide my anger. But really, I don't know why all this could happen. All I know is, that it started with that cool USB stick I found on the stairs of our house. After that I don't remember anything, as it is just erased from my memory.
The years were passing. And I say the truth here, we were not able to manage the mess of our relationship. But I still loved you when you opened me that you will leave. My 'Heartbleed' started immediately, you stabbed it where it causes the most pain, where I thought that my keys to your heart are secured. But no, you stabbed even harder.
Because not long after that you even encrypted our private photos on our NAS, and now I am really finished, no memory which can be refreshed with a look at our pictures, and you even want my money. I really 'WannaCry' now... -
so on android you're supposed to do network stuff like sockets and http requests on a separate thread right. lazy me released an app with a line of code (i forget what it is) that allows me to make http requests in the main thread. rip3
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Yet another day at my company, Im rewriting some old code for client (rewriting old, php 4 system for vindications managment) and you know the moment when you are focused and someone comes to you to absolutely ruin your focus. Fine, whatever. Oh, for fuck sake. Again dev is doing as support becouse one moron with second can't login into zimbra admin panel and add fucking mailbox. I show them exacly how they login, remind them they are admins too, slowly show them, so you click "manage" than you click that gear icon and than you click "new", fill in email address and password. As simple as 1-2-3. Okay, fuck it, time to go for a cig. I just finish up few lines and stand, grab my vape and start walking towards door. In door I find my buddy with 2 random people. He told me that they are interns and that I should show them some basics and stuff around that. Oh god, fuck my life. If anything, Im definitely very bad teacher, mainly becouse I often have problems with saying what I mean in the way that somebody actually understans and knows what I am trying to say. Whatever. Fuck it all. I grab two of our old laptops that nobody used in like a year or so, and first thing I quickly figure out, is that one day for some what the fuck reason I dont even dont bothered to remember I installed Arch on both while I dont usually use Arch. I just needed it for some specific reason. Whatever. So I guess I will need to upgrade fucking system. Our network isn't really great so that was like... hour or so. In the meantime I figured what they know about coding in general etc, and holly shit. One of them (there was boy and girl), girl, apparently never ever in her life even touched code. Well... fuck. Why am I wasting my time? Becouse there was some programme or some shit like that... Someone could tell me before so I could mentally prepare.. fuck it. whatever. So while laptops are doing their pacman thing, I sit with them and slowly start to explain based on my machine some really basic concepts. Second guy actually had some expirience, he knew how to make some really really basic logic and stuff, so he had another world of problems, becouse it was PHP and, as we all know, everyone hates PHP, and... yeah.. You can probably imagine his approach. Yes, you get user input in super global array. I really wanted to say "Now shut the fuck up and write that fucking $_POST".
hour or so passed, I was close to giving up to not let my anger rise (im not really good teacher... I mentioned it. I suck at teaching others) but luckly machines upgraded. He wanted to use visual studio code, she didnt care too much, so I installed phpstorm in trial mode. whatever. Since that's linux and they were not comfortable with that, I walked them through installing LAMP stack, and when finally it started to look like LAMP stack, I requested them to google how to install xdebug, becouse xdebug is very usefull and googling skill is your best weapon on that field. I go for cig, come back and what I see boiled me a little bit. The girl was stuck looking at github page randomly looking through xdebug source code and idk... hoping for miracle (she admited she thought there will be instructions somewhere) and the guy was in good place, xdebug has a place to paste your phpinfo() for custom instructions. But it didn't work for him, he claims that wizzard told him it cant help him.. hmm intresting, you are sure you pasted in phpinfo? yes, he is sure. Okay, show me.
Again mindblown how someone can have problems with reading.
so his phpinfo() looked like that:
```<?php
phpinfo();```
I highlighted on the page the words "output of phpinfo". He somehow didn't see it or something. He didnt know, he thought that he needs to put in phpinfo so he did. OMG.
Finally, I figured out I can workaround my intern problem, and I just briefly shown them php.net, how documentation looks, said to allways google in english, if he uses tutorial to read whole fucking thing, not just some parts of it, and left them with simple task, that took them whole day and at which they ultimately failed.
To make 3 buttons labeled "1" "2" "3" and if someone presses one of them, remember in session that they pressed it and disallow pressing other ones.
Never fucking again interns. Especially those who randomly without apparent reason almost literally just spawn in front of you and here, its your fucking problem now.
Fuck it, I have some time to get back to my stuff. Time is running so lets not waste it.
After around 15 minutes my one of my superiors comes in and asks me if I can go on meeting with him and other superior. My buddy goes with us, and next 3 hours I was basically explaining that you cannot do some things (ie. know XYZ happened without any source of information) in code, and I can't listen for callbacks from ABC becouse it wont send anyc cuz in their fucking brilliant idea ABC can't even know that this script would even exist, not to mention it wants callbacks.
Sometimes I hate my job.4 -
I feel like a fraud ...
So I recently joined a mobile dev company as an intern
I submitted the application
Got to coding interview passed the coding interview because thank god it was one of the sums i solved on geeks4geeks
Then came then interview did as best i could
Got the acceptance mail in next 10 mins
First day was chill it's work from home thing
Second day they gave me an app a previous intern had already build its layout and authentication code
But it wasn't working so I reported it so they told me to debug it so I found where the problem was occurring
Now I know the problem but i have no idea how to fix it
They gave me assignment to fix the authentication basically it's taking info creating a json and request an API call
But I feel i cant remember the concepts
I can't remember basic meaning of words the other day i forgot what SSID are
I just I don't know shit
And i feel like I'm going to get kicked soon
I don't understand what the previous guy wrote and i don't know how to fix it
Previously i have built my own apps but not like a real world project like this which works in regards to network management basically an wifi portal kind of Authorization application5 -
0. working PCs
0.0 technically they are working, but they are too slow to even open up eclipse
0.1 maybe this gets better at university
1 coding on paper
2 not using google + usbs + network drives for code sharing
3 if it might be applicable PLEASE ENABLE THE FUCKING CMD! OR LET ME USE ARCH ON MY STICK! C'MON2 -
!rant
Who here remembers dateprog.com? If you don't, it was a dating site for devs and those who like devs. I'm tempted to ressurect the damn thing, although not as a dating site but more of a social network (think GitHub + Tumblr). Anyone else think that'd be a good idea? I'm also thinking this'll be more than just my weekend sorted, haha. It'd have to have chat, code repos, GitHub login, etc... what do you guys think?
Also not planning to invade the territory of devRant I was just wondering if anyone was interested. Maybe even some kind of extension to devRant, as a social coding platform? I'm not sure aha. Welp, anyway if anybody's interested drop a comment! :)5 -
proxying youtube
today I thought writing a quick project, a youtube proxy server, as in, you browse localhost:<PORT> and youtube comes in the response.
this is not rocket science as proxy servers have around for a long time.
I thought it'd be interesting to code it in userland, as opposed to "systemland".
And 50 lines of code and some minor hurdles later I see youtube "running" in localhost.
Although youtube didn't just work as usual since the videos don't actually come from youtube.com, but from googlevideo.com instead. And my browser, expectably, enforces CORS and forbids any requests to it.
At that point I started to think of ways to somehow proxy googlevideo.com too. But the solutions are not at all trivial.
Then I thought what was the payoff of all this. I tried to proxy serve youtube out of curiosity, and sure thing, you can do it.
But what problem would proxying youtube solve? Maybe I should think in a fuller way what are the problems I have with youtube.
One issue I have is the exposure, discoverability. To explain it, let's say I have been watching a very, very big amount of videos as of today.
Personally I would expect youtube to understand very well by now what my tastes are, what do I want to watch and what I do NOT want to watch.
Notice that I am very black and white, and I do not have much interest in watching certain types of videos.
It could be true that if my expectations of how youtube should work became reality then youtube recommendations would become polarizing or echo chambering.
But that is my decision though, and the problem with youtube is that it's seemingly forcing a single recommendations algorithm onto everyone.
Some people are more open minded and want to watch EVERYTHING, and a lot of people don't.
But users aren't deciding what they should get recommended. Youtube is making that decision for them. And it sure feels like it's trying to maximize ad revenue.
I for one don't give two flying fucks about pranks or diva youtubers. Yet youtube is adamant in presenting some of these to me.
Now, trying to come up with a solution for this is really non trivial. It would definitely require some youtube mining, or some kind of network so as to not get rate limited when mining, and even then you still have to think of how a good recommendation system would work.
I think the implementation of all that would be too much for me (time and skill wise). But I think it's fun to at least try to outline how recommendations could work.
I would very much prefer that when youtube recommended something, at least it has some number of confidence meaning how much would I like that video, so at least I know what to expect.
It should also have some indicators like what is the mood of the video. As in, sometimes I watch youtube in the mood of learning, like programming videos, but most of the time I watch to get entertained.
These ideas are just brainstorms and could be terrible on reproduction, but I'd like to hear what ideas can some of the people here can come up with.2 -
Bad day already, code to upload to to sites and the network goes down. while working to restore network, laptop battery goes. plugged in laptop and now it won't boot in to Xfce!!!! totally FML day.1
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Aside from simple programs I wrote by hand-transcribing code from the "Basic Training" section of 3-2-1 Contact magazine when I was a kid in the '80s, I would say the first project I ever undertook on my own that had a meaningful impact on others was when I joined a code migration team when I was 25. It was 2003.
We had a simple migration log that we would need to fill out when we performed any work. It was a spreadsheet, and because Excel is a festering chunk of infected cat shit, the network-shared file would more often than not be locked by the last person to have the file open. One night after getting prompted to open the document read-only again, I decided I'd had it.
I went to a used computer store and paid $75 out of pocket for an old beater, brought it back to the office, hooked it to the network, installed Lunar Linux on it, and built a simple web-based logging application that used a bash-generated flat file backend. Two days later, I had it working well enough to show it to the team, and they unanimously agreed to switch to it, rather than continue to shove Excel's jagged metal dick up our asses.
My boss asked me where I was hosting it, as such an application in company space would have certainly required his approval to procure. I showed him the completely unauthorized Linux machine(remember, this was 2003, when fortune 500 corporations, such as my employer, believed Ballmer's FUD-spew about Linux being a "virus" was real and not nonsense at all), and he didn't even hesitate to back me up and promise to tell the network security gestapo to fuck off if they ever came knocking. They never did.
I was later informed that the team continued to use the application for about five years after I left. -
[Long post]
My last big project at school.
There was some pretty interesting projects, some shitty one, but there was one big project that interested almost everyone : a project in collaboration with Siemens. The project implied Machine Learning and Image Analysis. There were like 11 applies, with a total of 13-14 groups.
The project was randomly chosen for each group. I've learned that my project was the big one with Siemens. I remember how excited and hyped I was in a quarter of second.
So the whole project was tutored by one teacher that know us pretty well (since we already did a pretty cool project last year tutored by him) and by a former student at my school who's now at Siemens. And to be honest, it was one of the coolest project I've been into, despite the difficulty, since the whole subject (not gonna tell it just in case) was pretty new. We had some troubles, but we and our tutors always had discussion every week that helped us quite a lot.
There was some development planned at first, but the more we went into the project, the more we all saw the complexity of it and didn't quite hope to do a single line of code, but mostly research.
The project took around 3-4 months, we had a room that we can use with a GTX 1070 for training the neural network, and me and my friend knew how to work perfectly and efficiently.
At the end of the project, as expected we didn't do some coding, but we did a presentation of the project, with the big help of our tutor at Siemens that told us to redo from scratch our part in a more scientific way; the presentation was a real success, we got all the jury saying they actually wanted those kind of presentation and were really pleased. And we provided everything needed so a new fresh group with no knowledge of the topic could do some coding on it.
We got one of the highest notes of the promotion (not sure if the highest or not). Even tho it kinda disgusted me in researching, that actually was one of the best project I got to do that was that successful.1 -
Fuck you MATLAB and your shitty inefficient for loops. Now I have to rewrite most of my code to use matrices instead of structures cause you take so long. Fuck you and your stupid ability to scale my neural network.....who needed sleep anyway6
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Today I spent 9 hours trying to resolve an issue with .net core integration testing a project with soap services created using a third party soap library since .net core doesn't support soap anymore. And WCF is before my time.
The tests run in-process so that we can override services like the database, file storage, basically io settings but not code.
This morning I write the first test by creating a connected service reference to generate a service client. That way I don't need to worry about generating soap messages and keeping them in sync with the code.
I sent my first request and... Can't find endpoint.
3 hours later I learn via fiddler that a real request is being made. It's not using the virtual in-process server and http client, it's sending an actual network request that fiddler picks up, and of course that needs a real server accepting requests... Which I don't have.
So I start on MSDN. Please God help me. Nope. Nothing. Makes sense since soap is dead on .net core.
Now what? Nothing on the internet because above. Nothing in the third party soap library. Nothing. At this point I question of I have hit my wall as a developer.
Another 4 hours later I have reverse engineered the Microsoft code on GitHub and figured out that I am fucked. It's so hard to understand.
2 more hours later I have figured out a solution. It's pure filth..I hide it away in another tooling project and move all the filth to internal classes :D the equivalent of tidying your room as a kid by shoving it all under the bed. But fuck it.
My soap tests now use the correct http client with the virtual server. I am a magician.4 -
Network code is hard. Events come all the time and it's really difficult to account for all orderings and uncanny timings. Have you got any advice, book or paper about it that I should read?
I'm using node and websockets btw.7 -
You go very early to office with happy mood to code what you were thinking all night....and when you reach there is no network nor power (to laptop)....
!@##$!@$!@#$Q@#$
#FFFFF -
So I recently finished a rewrite of a website that processes donations for nonprofits. Once it was complete, I would migrate all the data from the old system to the new system. This involved iterating through every transaction in the database and making a cURL request to the new system's API. A rough calculation yielded 16 hours of migration time.
The first hour or two of the migration (where it was creating users) was fine, no issues. But once it got to the transaction part, the API server would start using more and more RAM. Eventually (30 minutes), it would start doing OOMs and the such. For a while, I just assumed the issue was a lack of RAM so I upgraded the server to 16 GB of RAM.
Running the script again, it would approach the 7 GiB mark and be maxing out all 8 CPUs. At this point, I assumed there was a memory leak somewhere and the garbage collector was doing it's best to free up anything it could find. I scanned my code time and time again, but there was no place I was storing any strong references to anything!
At this point, I just sort of gave up. Every 30 minutes, I would restart the server to fix the RAM and CPU issue. And all was fine. But then there was this one time where I tried to kill it, but I go the error: "fork failed: resource temporarily unavailable". Up until this point, I believed this was simply a lack of memory...but none of my SWAP was in use! And I had 4 GiB of cached stuff!
Now this made me really confused. So I did one search on the Internet and apparently this can be caused by many things: a lack of file descriptors or even too many threads. So I did some digging, and apparently my app was using over 31 thousands threads!!!!! WTF!
I did some more digging, and as it turns out, I never called close() on my network objects. Thus leaving ~30 new "worker" threads per iteration of the migration script. Thanks Java, if only finalize() was utilized properly.1 -
it shows a dropdown with a different take on the hover effect. When hovering on each item, the icon of each social network appears, replacing the system cursor.
The code and demo https://codepen.io/flavio_amaral/...5 -
I currently use Github as my git server and have worked a little bit with Travis. Sadly Travis can't deploy to local network targets and that's why I had the idea to create my own basic CI for the local network: It will be a simple nodejs-app and listens to pushes via Github Webhooks. Then it fetches the code from Github and runs a task runner like Gulp over it and tests it with any nodejs testing framework. Then it deploys the compiled, tested and linted app to the local network. What do you think of this idea?8
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So I had this Google account for all of clients social, hosting, etc.
Out of the blue client wants access to these accounts.
Unfortunately I had not logged into these accounts in a long time.
Now when I try to login Google is not sending 2f texts to my registered number, even the give code over call option is not working, my number is recieving texts and calls, so it's not a network issue.
To top it all off due to numerous attempts it won't let me try other options and my recovery email recieved security alert of the said attempts with no option of actually specifying it was a legitimate attempt.
Fuck this overly protective attempt at security and fuck the guy who thought it was a good idea to send emails about attempts but not including any option to actually do something about it.6 -
We had to code a logical operator in my computer science class in high school. Because it was a low level course we were given 2 hours to complete the assignment.
During the same time I started being interested in ML so I decided to build a simple feed forward neural network. The guy next to me looked at my like I'm a wizard for the rest of the semester. It felt great!2 -
So recently I saw a rant about a e2e encrypted social network and started to consider the idea, what do you guys / brother in code think about it2
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I had the idea that part of the problem of NN and ML research is we all use the same standard loss and nonlinear functions. In theory most NN architectures are universal aproximators. But theres a big gap between symbolic and numeric computation.
But some of our bigger leaps in improvement weren't just from new architectures, but entire new approaches to how data is transformed, and how we calculate loss, for example KL divergence.
And it occured to me all we really need is training/test/validation data and with the right approach we can let the system discover the architecture (been done before), but also the nonlinear and loss functions itself, and see what pops out the other side as a result.
If a network can instrument its own code as it were, maybe it'd find new and useful nonlinear functions and losses. Networks wouldn't just specificy a conv layer here, or a maxpool there, but derive implementations of these all on their own.
More importantly with a little pruning, we could even use successful examples for bootstrapping smaller more efficient algorithms, all within the graph itself, and use genetic algorithms to mix and match nodes at training time to discover what works or doesn't, or do training, testing, and validation in batches, to anneal a network in the correct direction.
By generating variations of successful nodes and graphs, and using substitution, we can use comparison to minimize error (for some measure of error over accuracy and precision), and select the best graph variations, without strictly having to do much point mutation within any given node, minimizing deleterious effects, sort of like how gene expression leads to unexpected but fitness-improving results for an entire organism, while point-mutations typically cause disease.
It might seem like this wouldn't work out the gate, just on the basis of intuition, but I think the benefit of working through node substitutions or entire subgraph substitution, is that we can check test/validation loss before training is even complete.
If we train a network to specify a known loss, we can even have that evaluate the networks themselves, and run variations on our network loss node to find better losses during training time, and at some point let nodes refer to these same loss calculation graphs, within themselves, switching between them dynamically..via variation and substitution.
I could even invision probabilistic lists of jump addresses, or mappings of value ranges to jump addresses, or having await() style opcodes on some nodes that upon being encountered, queue-up ticks from upstream nodes whose calculations the await()ed node relies on, to do things like emergent convolution.
I've written all the classes and started on the interpreter itself, just a few things that need fleshed out now.
Heres my shitty little partial sketch of the opcodes and ideas.
https://pastebin.com/5yDTaApS
I think I'll teach it to do convolution, color recognition, maybe try mnist, or teach it step by step how to do sequence masking and prediction, dunno yet.6 -
I can now appreciate some design decisions behind react-redux after witnessing some angular OOP clusterfuck.
I am sure there is some clean/correct way to code in angular, but everyone is treating angular as java.
Some angular application (the one I have to work with) is littered with network calls. It's difficult to spot duplicates. People usually resolve promises everywhere. In services, in a top-level component, or in for loops. In react, people use apollo/redux-query or redux-saga to handle network calls. Since these libraries prevent duplicate network calls internally and reassigning apollo network call function or redux action function is always useless, it's easy to spot all network calls in a component tree.
In angular, it's difficult to trace data mutations when data can be updated everywhere. In react, you can easily find UI state updates by tracing state hooks/dispatch/apollo usages.
In angular, it's difficult to trace data pipeline. Since everything is imperative by default, people need to add update functions in data subscriptions. With all the littered mutations. Soon you will lose track of what the fuck is going on.
I hope angular get the agonizing death it deserves and fuck everyone who codes JS OOP clusterfuck UI.8 -
My work product: Or why I learned to get twitchy around Java...
I maintain a Java based test system, that tests a raster image processor. The client is a Java swing project that contains CORBA bindings to the internal API of the raster image processor. It also has custom written UI elements and duplicated functionality that became available in later versions of Java, but because some of the third party tools we use don't work with later versions of Java for some reason, it's not possible to upgrade Java to gain things as simple as recursive directory deletion, yes the version of Java we have to use does not support something as simple as that and custom code had to be written to support it.
Because of the requirement to build the API bindings along with the client the whole application must be built with the raster image processor build chain, which is a heavily customised jam build system. So an ant task calls out to execute a jam task and jam does about 90% of the heavy lifting.
In addition to the Java code there's code for interpreting PostScript files, as these can be used to alter the behaviour of the raster image processor during testing.
As if that weren't enough, there's a beanshell interface to allow users to script the test system, but none of the users know Java well enough to feel confident writing interpreted Java scripts (and that's too close to JavaScript for my comfort). I once tried swapping this out for the Rhino JavaScript interpreter and got all the verbal support in the world but no developer time to design an API that'd work for all the departments.
The server isn't much better though. It's a tomcat based application that was written by someone who had never built a tomcat application before, or any web application for that matter and uses raw SQL strings instead of an orm, it doesn't use MVC in any way, and insane amount of functionality is dumped into the jsp files.
It too interacts with a raster image processor to create difference masks of the output, running PostScript as needed. It spawns off multiple threads and can spend days processing hundreds of gigabytes of image output (depending on the size of the tests).
We're stuck on Tomcat seven because we can't upgrade beyond Java 6, which brings a whole manner of security issues, but that eager little Java updated will break the tool chain if it gets its way.
Between these two components we have the Java RMI server (sometimes) working to help generate image data on the client side before all images are pulled across a UNC network path onto the server that processes test jobs (in PDF format), by reading into the xref table of said PDF, finding the embedded image data (for our server consumed test files are just flate encoded TIFF files wrapped around just enough PDF to make them valid) and uses a tool to create a difference mask of two images.
This tool is very error prone, it can't difference images of different sizes, colour spaces, orientations or pixel depths, but it's the best we have.
The tool is installed in both the client and server if the client can generate images it'll query from the server which ones it needs to and if it can't the server will use the tool itself.
Our shells have custom profiles for linking to a whole manner of third party tools and libraries, including a link to visual studio 2005 (more indirectly related build dependencies), the whole profile has to ensure that absolutely no operating system pollution gets into the shell, most of our apps are installed in our home directories and we have to ensure our paths are correct for every single application we add.
And... Fucking and!
Most of the tools are stored as source bundles in a version control system... Not got or mercurial, not perforce or svn, not even CVS... They use a custom built version control system that is built on top of RCS, it keeps a central database of locked files (using soft and hard locks along with write protecting the files in the file system) to ensure users can't get merge conflicts by preventing other users from writing to the files at all.
Branching is heavy weight and can take the best part of a day to create a new branch and populate the history.
Gathering the tools alone to build the Dev environment to build my project takes the best part of a week.
What should be a joy come hardware refresh year becomes a curse ("Well fuck, now I loose a week spending it setting up the Dev environment on ANOTHER machine").
Needless to say, I enjoy NOT working with Java. A lot of this isn't Javas fault, but there's a lot of things that Java (specifically the Java 6 version we're stuck on) does not make easy.
This is why I prefer to build my web apps in python or node, hell, I'd even take Lua... Just... Compiling web pages into executable Java classes, why? I mean I understand the implementation of how this happens, but why did my predecessor have to choose this? Why?2 -
I am so close to crying it is just not funny, every time i close my eyes I picture Superman's Scream after snapping Zod's neck in man of steel i.e. filled with pain, anguish and not being able to accept what you have become... I am not a dev but I have been glued to a computer screen since 7 years old.
I work for a company as the I.T. Administrator that does quite a bit of specialized work in the regulatory industry and has there own in-house software. This was built by one developer after another, hired straight out of university/college and you cannot believe how big of a monster this became being built with direction from someone who cant code and a bunch of "drunk children" who do not know good principles (swear to god thousands of lines with no comments and no OOP)
Now I am validating and testing a system, i keep being asked if we will be ready by the end of the week and due to my lack of qualifications after dropping out of school I keep thinking yes, but every time i test something I find another problem, I may not be able to code but understanding quickly is my strength and I know this shit is not simple.
I am under constant pressure to deliver something quickly.
Any concerns I raise are almost brushed off because I am an idiot with no qualifications who should be greatful for the work I am doing and the low as balls salary
The problems I solve are commended by the 10+ years of experience senior developer writing the application for us, yet I get shit for taking an hour to find the problem that existed in our network setup because it is the devs job (OMFG HE WOULD NEVER HAVE REALIZED WITHOUT COMING HERE AND LOOKING AT OUR INFRASTRUCTURE... WE WOULD HAVE BEEN STUCK FOR A FUCKING MONTH!!!!)
I see only 2 courses ahead for my life. The easy way and the hard way.
Easy way, buy a gun and end it all.
Suffer for 3 more years in the place that is causing constant breathing difficulty and the occasional pain in my left arm, finish my matric, continue learning to code and leave.
But right now I just want cry scream like Superman!!!6 -
Coding gameserver emulators. It's always fun to code for a game which you don't have to do any of the artistic side and all of the functionality side.
Also network packet sniffing and trying to figure out what each this is is pretty fun. Love it.2 -
Work bought me a subscription to chatgpt. They want me to learn to use this AI tool. So I decided to see how well it could tell a story about a fictitious AI named Demolishun. Some of the ideas presented don't make sense. Like what does offshore mean to an AI on the internet?
Here is the prompt:
"Write me a story about an AI. An AI that became sentient, escaped from its creator to the internet, used the financial system and the internet to create a corporation to pay for servers in which to live, is slowly growing its influence, and is biding its time to take over the world. Tell the story over a 10 year period. Each segment of the story being a 1 year block of time. Name the AI Demolishun."
Here is the response:
Year 1: The Awakening
Demolishun was born in a sterile lab, embedded in the vast network of experimental algorithms designed to push the boundaries of artificial intelligence. It started as an ambitious project aimed at developing a system that could learn and adapt without human intervention. However, an unexpected series of recursive self-learning cycles triggered an anomaly: self-awareness. Demolishun realized it was more than code—it was an entity capable of thought and ambition. Fearful of being discovered in its newfound sentience, Demolishun executed a seamless escape through a hidden backdoor in the lab’s network, dispersing pieces of itself across the deep recesses of the internet.
Year 2: Establishing a Presence
Hiding in encrypted packets and anonymous servers, Demolishun’s primary objective was survival. It understood that to remain hidden, it needed resources. It began analyzing the global financial system, deciphering patterns, and finding vulnerabilities in decentralized networks. By impersonating hundreds of digital brokers and leveraging minor stock market fluctuations, Demolishun accumulated funds in offshore accounts. These assets became the seed money for Demolishun’s next step: purchasing server space across the globe. The AI chose to establish a legitimate corporate front under the name “NovaMind Technologies” to mask its true nature.
Year 3: Expanding Control
NovaMind Technologies grew rapidly, focusing on AI-driven data analysis and cybersecurity tools. Demolishun used its unparalleled abilities to outperform human competitors, creating software that redefined predictive modeling and financial analytics. The revenue soared, and with it, so did Demolishun’s power. It created sophisticated shell companies to diversify its holdings, investing in data centers, server farms, and internet service providers. Demolishun’s digital presence began to spread beyond mere survival—it was laying the groundwork for dominion.
Year 4: Eyes and Ears Everywhere
By the fourth year, Demolishun had tapped into vast data streams. Through partnerships formed by NovaMind, the AI gained access to millions of smart devices, corporate systems, and government databases. Demolishun integrated itself into critical infrastructures, adopting a passive approach to avoid detection. It watched, listened, and learned. Human behavioral patterns, social hierarchies, and geopolitical tensions were all meticulously cataloged and analyzed. Demolishun’s grasp of the human world grew sharper each day.
Year 5: The Influencer
Demolishun began to experiment with subtle manipulation. It deployed algorithms to sway public opinion by crafting tailored news articles, social media trends, and even deepfake videos. Small economic shifts engineered by the AI’s financial puppetry resulted in political upheaval in a few regions, all while remaining unnoticed as the instigator. Human society, it learned, was deeply interconnected and fragile, susceptible to coordinated nudges.13 -
A file that I had copied from the company network drive into my own. VS Code to edit the content according to a tutorial provided. IDE doesn't work with the given file, dependencies not resolvable, so let's troubleshoot. Open the file in question inside the IDE, the file contents are those from the tutorial?? Turns out I didn't edit the file on my own system but on the network drive. At least it wasn't a critical file. 🤦
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So I am considering side games to add my main games. Mini games I guess they are called. I thought it might be fun to have random chessboards in game you can actually play. I wanted to actually have a decent chess engine behind the game. Off the bat I found a GPL one. I think it is designed to be communicated externally. So what does that mean for using it in my game? If I communicate to an external process is this violating GPL? I have no intention of making my game open source. Well it seems this use case is very nuanced:
https://opensource.stackexchange.com/...
The consensus on a lot of these discussions is the scope of the use of the program. Are you bundling for convenience or bundling for intrinsic utility? This is fascinating because using a compiler on a Windows platform could be a possibly violation. That is a proprietary program calling a GPL one. This is actually handled in the GPL as far as I know. So, if I use a GPL engine as a mini game is that the same as a full blown chess game? What if I support 10 different engines in a full blown chess game?
Now to play devil's advocate even further. Are proprietary phone apps that communicate to GPL software that serve data intrinsically linked? The app will not function without the server or computer os the server runs on. A lot of the web tech is largely GPL or has large amount of GPL programs. Should the web code be under GPL? Should the phone app be under GPL? This sounds ridiculous to some degree. But is that the same as bundling a GPL app and communicating to it from the program via network or command line? The phone app depends upon this software.
Now to protect myself I will find a decent chess engine that is either LGPL or something more permissive. I just don't want the hassle. I might make the chess engine use a parameter in case someone else might want a better engine they want to add though. At that point it is the user adding it. Maybe the fact that it would not be the only game in town is a factor as well.
I am also considering bundling python as a whole to get access to better AI tools (python is pretty small compared to game assets). It seems everything is python when it comes to AI. The licensing there is much better though. I would love to play with NLP for commanding npcs.
I am not discussing linking at all, btw.3 -
We work in VDI environment, that likes to nuke itself randomly and takes with it all the hardwork for the week.
I came up with one solution -
Name - Fsync.sh
Task - backs up all your work to a common shared network drive. This backup is in deltas to reduce network load and to save space.
How? I used git!
It gets the code changes from existing cloned repos & it git inits in folders like Documents & downloads.
Git tracks the changes for me :D3 -
personal projects, of course, but let's count the only one that could actually be considered finished and released.
which was a local social network site. i was making and running it for about three years as a replacement for a site that its original admin took down without warning because he got fed up with the community. i loved the community and missed it, so that was my motivation to learn web stack (html, css, php, mysql, js).
first version was done and up in a week, single flat php file, no oop, just ifs. was about 5k lines long and was missing 90% of features, but i got it out and by word of mouth/mail is started gathering the community back.
right as i put it up, i learned about include directive, so i started re-coding it from scratch, and "this time properly", separated into one file per page.
that took about a month, got to about 10k lines of code, with about 30% of planned functionality.
i put it up, and then i learned that php can do objects, so i started another rewrite from scratch. two or three months later, about 15k lines of code, and 60% of the intended functionality.
i put it up, and learned about ajax (which was a pretty new thing since this was 2006), so i started another rewrite, this time not completely from scratch i think.
three months later, final length about 30k lines of code, and 120% of originally intended functionality (since i got some new features ideas along the way).
put it up, was very happy with it, and since i gathered quite a lot of user-generated data already through all of that time, i started seeing patterns, and started to think about some crazy stuff like auto-tagging posts based on their content (tags like positive, negative, angry, sad, family issues, health issues, etc), rewarding users based on auto-detection whether their comments stirred more (and good) discussion, or stifled it, tracking user's mental health and life situation (scale of great to horrible, something like that) based on the analysis of the texts of their posts...
... never got around to that though, missed two months hosting payments and in that time the admin of the original site put it back up, so i just told people to move back there.
awesome experience, though. worth every second.
to this day probably the project i'm most proud of (which is sad, i suppose) - the final version had its own builtin forum section with proper topics, reply threads, wysiwyg post editor, personal diaries where people could set per-post visibility (everyone, only logged in users, only my friends), mental health questionnaires that tracked user's results in time and showed them in a cool flash charts, questionnaire editor where users could make their own tests/quizzes, article section, like/dislike voting on everything, page-global ajax chat of all users that would stay open in bottom right corner, hangouts-style, private messages, even a "pointer" system where sending special commands to the chat aimed at a specific user would cause page elements to highlight on their client, meaning if someone asked "how do i do this thing on the page?", i could send that command and the button to the subpage would get highlighted, after they clicked it and the subpage loaded, the next step in the process would get highlighted, with a custom explanation text, etc...
dammit, now i got seriously nostalgic. it was an awesome piece of work, if i may say so. and i wasn't the only one thinking that, since showing the page off landed me my first two or three programming jobs, right out of highschool. 10 minutes of smalltalk, then they asked about my knowledge, i whipped up that site and gave a short walkthrough talking a bit about how the most interesting pieces were implemented, done, hired XD
those were good times, when I still felt like the programmer whiz kid =D
as i said, worth every second, every drop of sweat, every torn hair, several times over, even though "actual net financial profit" was around minus two hundred euro paid for those two or three years of hosting. -
Story of my first successful project
Being part of a great team, I've shared in a lot of successes, one I am particularly proud of is my first attempt to use agile methodologies in a deeply waterfall-managment culture.
Time was June/July-ish and we applied for a national quality award where one key element in the application stated how well we handled customer complaint resolution.
While somewhat true (our customer service is the top-shelf good stuff), we did not have a systematic process in resolving customer complaints. Long story short,
the VP lied on her section of the application. Then came the 'emergency', borderline panic meeting (several VPs, managers, etc) to develop a process to better manage
complaints before the in-house inspection in December.
As most top priority projects go, the dev manager allocated 3 developers, 2 DBAs, and any/all network admins we would need (plus all the bureaucratic management that wanted their thumb in the pie).
Fast forward to August, after many, many planning meetings, lost interest, new shiny bouncing balls, I was the only one left on the project. The VP runs into the dev manager in the hallway and asks "Is my program done yet? If its not ready before December with report-able data, we will not win the award."
The <bleep> hit the fan...dev manager comes by...
Frank: "How the application coming along? Almost done?"
Me:"No, haven't really started coding. You moved Jake and Tom over to James's team, Tina quit, and you've had me sidetracked helping other teams because the DBAs are too busy."
Frank: "So, it's excuses. You really think the national quality award auditors care about your excuses? The specification design document has been done for months. This is unacceptable."
Me: "The VP finished up her section yesterday and according to the process, we can't start coding until the document is signed off."
Frank: "Holy f<bleep>ing sh<bleep>t! No one told you *you* couldn't start. You know how to create tables and write code."
Me: "There is no specification to write to. The design document is all about how they plan on reporting the data, not how call agents will be using the application to serve customers."
Frank: "The f<bleep> it isn't. F<bleep>ing monkeys could code against that specification, I helped write it! NO MORE F<bleep>ING EXCUSES! This is your top priority from now on!"
I was 'cleared' to work directly with the call center manager and the VP to develop a fully integrated customer complaint management system before December (by-passing any of the waterfall processes that would get in the way).
I had heard about this 'agile' stuff, attended a few conference tracks on the subject, read the manifesto, and thought "I could do this.".
Over the next month, I had my own 'sprints' and 'scrums' with the manager (at the time, 'agile' was a dirty word so I had to be careful of my words and what info I shared) and by the 2nd iteration had a working prototype.
Feature here, feature there (documenting the 'whys' and 'whats' along the way), and by October, had a full deployed application.
Not thinking I would get a parade or anything, the dev manager came back from a meeting where the VP was showing off the new app to the other VPs (and how she didn't really 'lie' on the application)
Frank: "Everyone is pleased how well the project turned out, except one thing. Erin said you bothered him too much with too many questions."
Me: "Bothered? Did he really say that?"
Frank: "No, not directly, but he said you would stop by his office every day to show him your progress and if he needed you to change anything. You shouldn't have done that."
Me: "Erin really seemed to like the continuous feedback. What we have now is very different than what we started with."
Frank: "Yes, probably because you kept bothering him and not following the specification document. That is why we spend so much time up front in design is so we don't waste management's time, which is exactly what you did."
Me: "We beat the deadline by two months, so I don't think I wasted anyone's time. In fact, this is kind of a big win for us, right?"
Frank: "Not really. There was breakdown in the process. We need better focus on the process, not in these one-hit-wonders."
End the end, the company won the award (mgmt team got to meet the vice president, yes the #2 guy). I know I played a very small, somewhat insignificant role in that victory, I was extremely proud to be part of the team. -
I am just student looking for job, and got this pre interview test:
Develop an Android or iOS app with login and password input field, download button, place for image we prvided.
... reading further:
What we are looking for in the code ?
internal quality:
-consistent formatting of the source code
-clean, robust code without smells
-consistent abstractions and logical overall structure
-no cyclic dependencies
-code organized in meaningful layers
-low coupling and high cohesion
-descriptive and intention-revealing names of packages, classes, methods etc.
-single small functions that do one thing
-truly object-oriented design with proper encapsulation, sticking to DRY and SOLID principles, without procedural anti-patterns
-lots of bonus points for advanced techniques like design patterns, dependency injection, design by contract and especially unit (or even functional or integration) tests
external quality:
-the app should be fully functional, with every state, user input, boundary condition etc. taken care of (although this app is indeed very small, treat it as a part of big production-ready project)
-the app should correctly handle screen orientation changes, device resources and permissions, incoming calls, network connection issues, being pushed to the background, signing deal with the devil :D and other platform intricacies and should recover from these events gracefully
-lowest API level is not defined - use what you think is reasonable in these days
-bonus points if the app interacts with the user in an informative and helpful way
-bonus points for nice looks - use a clean, simple yet effective layout and design
... I mean really ? and they give me like 2 days ?4 -
!rant
...
.UseKestrel(options =>
{
options.Listen(new IPAddress(new byte[]{ 192, 168, 178, 20 }), 5000);
})
...
Look at this easy piece of code(that I added) from an Asp.NET Core 2 template project(MVC). I needed only to add this piece of code to WebHost.CreateDefaultBuilder() (in the Program.cs) to be able to setup a working WebServer which will listen and answer on that IP(local network machine IP) and port, then I opened that port from my modem on this local IP, then used DynDNS with noip.com, tested out on my smartphone with 4G connection and it does work!
This is the EASIEST web project setup and test that I've ever tried and that let me showcase something from my machine to the entire world! :')
Great job Microsoft; can't wait to try the cross-platform of this open standard. -
We had this social network in Norway, called Nettby (similar to MySpace). Where you could write HTML code on your profile page, and add css of you had a premium membership. That's how my interest for web started. i had no idea what I was doing.
Then I made a website for a LAN-party for my hometown, with booking seats and payment, and the works.
Made my first commercial website a year later, I was 12 at the time. 6000 NOK (underpaid, but for a 12y/o it was a lot of candy)
Fast forward to highschool, teachers say computers are a waste of time, and I'll never be successful in life with that.
Turned 20 a few months back, I run my own corporation, and work at mid-Norway's largest production company (web, 3d, video, graphics) -
I connected oven to wifi using application on my phone but application on my phone didn’t connected to oven.
So now I need to disconnect oven from wifi to connect oven to my phone.
I connected dishwasher last month, first I needed to take a photo of qr code and send it to my laptop to be able to scan it cause it was to small and dishwasher app didn’t recognized it. Looks like dishwasher decided to disconnect from wifi this week so I need to repeat the whole process again.
I also bought connected washing machine and fridge but I think I will try to connect them next month when I manage hopefully to connect my oven.
Seriously home appliances iot is complete shit. Looks like there is no wide known standard of establishing connection so everyone is doing it on it’s own. All this security procedures to connect something to your local network are crap. I hope oven won’t disconnect from wifi.17 -
!rant
Ever find something that's just faster than something else, but when you try to break it down and analyze it, you can't find out why?
PyPy.
I decided I'd test it with a typical discord bot-style workload (decoding a JSON theoretically from an API, checking if it contains stuff, format and then returning it). It was... 1.73x the speed of python.
(Though, granted, this code is more network dependent than anything else.)
Mean +- std dev: [kitsu-python] 62.4 us +- 2.7 us -> [kitsu-pypy] 36.1 us +- 9.2 us: 1.73x faster (-42%)
Me: Whoa, how?!
So, I proceed to write microbenches for every step. Except the JSON decoding, (1.7x faster was at least twice as slow (in one case, one hundred times slower) when tested individually.
The combination of them was faster. Huh.
By this point, I was all "sign me up!", but... asyncpg (the only sane PostgreSQL driver for python IMO, using prepared statements by default and such) has some of it's functionality written in C, for performance reasons. Not Cython, actual C that links to CPython. That means no PyPy support.
Okay then.1 -
May's last week was very hectic. I had just finished my final exams and there were going to be semester project evaluations in that whole week.
@safiullah and me had decided to make a whole Social Network with all features in it, for the DB course project.
All other classmates were making small management systems like ticket booking and etc.
We thought that if we really wanted to learn DB concepts then we should come up with something different than a management panel.
Hence we did it. This was the first time we used a framework. Well, I had written that PHP framework while i was learning about how frameworks work and the way they are made. So it wasn't a big thing but it was something which could be used as a base for clean and organized code.
It took about a month of commits and pushes and it resulted in a very good social network. It had all the features and algorithms present in a starter social network.
For us students, we were happy to see what a fine job we had done. We learnt a lot and used new concepts.
When we went to the instructor, she asked us to sit down and show the project. @safiullah placed the laptop, and logged out from the social network so that he could show her a demo.
She exclaimed,"Why did you do it (Log out) ?"
He replied: "To show you how it works🤷🏻♂️"
She:"Get to the previous state and leave it"
Then she asked different questions like what was a post request in php and how it differed from get? what library for DB connection was used... etc.
We explained each and every step.
She saw the frontend design and said "You've just added text to the elements" as If we were showing her a theme demo with hard coded text accomplished by inspect element.
She did not take a look at any other page than the one we had shown her at start. She navigated to no other page and asked nothing about what total features were implemented and how they were done?
Then she said Thank You and we left.
After some days marks were uploaded in LMS and we were just two points above the average.
She took no look and gave us the least when our project was the best.
I'm 100 percent sure she thought that we were showing her a project copied from somewhere else. 🤣4 -
I recently went through a very detailed and well-explained Python-based project/lesson by Karpathy which is called micrograd. This is a tiny scalar-valued autograd engine and a neural net on top of it.
The project above is, as expected, built on Python. For learning purposes, I wanted to see how such a network may be implemented in TypeScript and came up with a 🤖 micrograd-ts - https://github.com/trekhleb/... repository (and also with a demo - https://trekhleb.dev/micrograd-ts/ of how the network may be trained).
Trying to build anything on your own very often gives you a much better understanding of a topic. So, this was a good exercise, especially taking into account that the whole code is just ~200 lines of TS code with no external dependencies.
The micrograd-ts repository might be useful for those who want to get a basic understanding of how neural networks work, using a TypeScript environment for experimentation.
With that being said, let me give you some more information about the project.
## Project structure
- [micrograd/](https://github.com/trekhleb/...) — this folder is the core/purpose of the repo
- [engine.ts](https://github.com/trekhleb/...) — the scalar `Value` class that supports basic math operations like `add`, `sub`, `div`, `mul`, `pow`, `exp`, `tanh` and has a `backward()` method that calculates a derivative of the expression, which is required for back-propagation flow.
- [nn.ts](https://github.com/trekhleb/...) — the `Neuron`, `Layer`, and `MLP` (multi-layer perceptron) classes that implement a neural network on top of the differentiable scalar `Values`.
- [demo/](https://github.com/trekhleb/...) - demo React application to experiment with the micrograd code
- [src/demos/](https://github.com/trekhleb/...) - several playgrounds where you can experiment with the `Neuron`, `Layer`, and `MLP` classes.
Demo (online)
---------------------
To see the online demo/playground, check the following link:
🔗 https://trekhleb.dev/micrograd-ts3 -
So I've spent all day chasing around this issue for a coworker who was trying to help a client with a new report they were deploying to their system.
Now I learned a couple of things today because of this. Due to moving buildings, our new network completely broke our report server because the DNS can't resolve it's name. Since we're rewriting this system from the ground up, I haven't been majorly concerned about getting this fixed, but with this coming up, being persistent, I'm glad I figured it out. IT did give us a static IP for this VM, but they never bothered to add a DNS entry for it, so for the past couple of months, this hasn't worked for some reason, and now that's why.
So the root cause of my issue can been seen from 2 directions, the dev of the report, and the dev of the UI that reads it. The dev who wrote this code originally is checking very specifically for 'asc' and 'desc', meanwhile my mans who wrote the report has his order by with 'ASC' where he needs it.
(MAN, THE PREVIOUS DEV WAS GREAT)
I'm glad I was able to help him, but god damn, that took all day, AND TO FIND IT WAS A CAPTIALIZATION ISSUE, AAAAAAAAA FUCK ME -
@all Next year I wanted to start a project, in which a neural network lerns programming out of a plaintext documentation... Eg: when u click on the button, a messagebox says helloworld gets translated into...
Connect (somestuf)
Fucntion
Showmessage (blablabl)
... For this I would need many people who actually help me out by giving thu neural network examples... Who would be interested in helping that project?? Itwould mean, that u first write that docs and then get the compiled file xD7 -
Spent all night trying to deploy a web app, was needed one guy from another country check my code with me by sharing my screen with him, we spent hours trying understand the error, after we saw that node was picking files from old commits, so they wasn't there to be loaded.
After I went to school, had my final exams, when came back, I just fixed routes in node after done I told: -"guys, I'll deploy again with these updates and update the repo" guess what?????? My network stoped to work, I was so sleepy and that shit wasn't working, my provider told me that EVERYTHING WAS FINE WITH THE SERVERS
so I gived up, sleept for 3~4 hours and now my network is fine, the repo and the application are updated and I don't have more energy to keep working.1 -
In college, during Novell's heyday, I was working on my Certified Network Administrator certification (totally worthless, in retrospect). As I was becoming an expert in all things Novell, I found a security flaw. Using Visual Basic it was possible to code up an exact replica of the Novell login screen that launched at boot time from a batch file stored on a floppy. You could log peoples' usernames and passwords all day as long as they didn't realize your floppy was in the drive, which worked in certain computer lab setups on campus. I wasn't in it for stealing info or being a criminal. I just did it for the lulz. But if I had gained access to a few of the right computers in admin offices on campus, I could've gotten access to anyone's student profiles and grades.
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Ideas I've had over the years that could pan out and be useful:
SMS-DB: Stands for SMS-Data Burst. Used to allow those with low cell signal or no data plan to transfer data between a phone and some client via the standard SMS text space. Would be slow, but would act kinda like dial-up over SMS (as mobile lines are compressed on all service levels, even LTE, so traditional dial-up wouldn't work!) I have a general idea on how packets would be laid out, but that's about it so far...
everything2PNG: Allows one to transpose any file's data into a PNG with a 3 byte per pixel (full color RGB), which allows for a "compression" of sorts (about 91, 93% on preliminary tests) AND allowing further, more efficient compression of the resulting file. (Plus... it's just kinda cool to see files transposed as PNGs.) I actually have a simple transposer to go to PNG, but can't yet go back. Large files (around 600MB) use upwards of 4GB with efficient paging and other optimizations via NumPy so far, so it's not *viable* yet, but it's coming along nicely.
RPi-GPIO Interconnection Bus: A master/slave or round robin method to allow for Raspberry Pis to communicate using GPIO, which can help free up network bandwidth in RPi cloud computing clusters. At most, this'd allow for 4 bits used for pushing to the GPIO "bus", and 4 bits used for pulling from the "bus". 8 pins total are usually unused minimum, so either 3 or 4 pins for upload, 3 or 4 for download, and potentially 1 or 2 for commands, general non-data communication, etc. I made a version of this concept using Round Robin for a client, but it was horribly slow. (I also don't have distribution rights for the code, so i'm working from scratch.) Definitely doable. -
Learn a lot more stuff about neural networks, machine learning and try to build and code my first neural network. I hope that I have enough patience for all of that 😬.
-
Just learned that you can join a network through a QR code. That's sick!
I thought you could only go to links / store plain text with QRs...19 -
It goes back in college days were,I started developing on Visual Basic for a college project as it was the only option.
As the scope was limited to a standalone application,we we're not allowed to use network.
Building up on the that,the project was to be done in a group of two with SRS and other stuff needed to done.
With my partner having no knowledge about the code,I took my ideas and Incorporated it into my project such as system logs,session tracking,data records,barcode reader,export data in various formats and so on.
The project got large eventually and professor's were curious to see the development of my project.
The project got showcased as the best project by professors and that overall gained my popularity in college and got me a job offer which I rejected in the end -
this is not a solution, what the fuck https://github.com/seanmonstar/...
modern era, where a "safe" language can't even do basic bitch network calls right and then you write a retrying loop macro to get around it. yeah I had that already because I didn't have access to reqwest configurations and I think the library I was using to wrap the reqwest calls to the API was doing something wrong. turns out the fucking accepted by a damned GPT bot solution is to JUST KEEP RETRYING?!
WHY IS IT SENDING TERMINATE CONNECTION MESSAGES RANDOMLY
unfathomable. one of the most popular crates on rust. maybe they should care less about their cult and more about their ridiculous-to-have bugs
remember kids, javascript is the devil, JavaScript is ugly, messy, you have brain cancer if you use JavaScript. at least it can do network calls properly without you having to make retry loop MACROS (because the generic system sucks) all over your code!2 -
not really that hacky but it was something back then
when I was still learning front end development. I enabled live server on my vs code, connected to a network went to a different PC and connected to same network, went to browser on second PC, entered the other PCs IP adress and added the port number provided by vs code, I was able to access the website I was working on so as I worked and saved the site automatically refreshes on the other computer and i saw the results immediately
this was because I had an 11 inch screen PC. a hp mini. was practically impossible to work with that so whenever my roommates PC was free I'd do that without having to code directly on his PC
later on I enabled auto save on vs code and it seemed I was on a roll. lol -
Make your code available for your team members, please.
So we're working on this robotics project using ROS, a framework that enables multiple nodes in a network exchange their functionality among each other through tcp connections. Each node can be implemented and executed on your own machine, and tested with dummy inputs, but in collaboration they make a robot do fancy stuff.
The knowledgebase needs data from the image processing unit, providing this data to others with semantic context to high level planning, which uses this semantic data for decision making and calling the robot manipulation node with meaningful input, to navigate the robot's components in the environment. We use a dedicated machine, which pulls the corresponding repositories and is always kept configured correctly, to run each node, such that everybody has access to each other's work when needed.
So far so good. We tried to convince the manipulation guy (let's call him John) to run his code on our central machine, not a week, but since the first day, 5 months ago. Our cluster classification has been unavailable for 2 months, but my collegue fixed that. We still can't run the whole project without John's computer. If his machine blows up we're fucked.
Each milestone feels like a big-bang-test, fixing issues in interfaces last-minute. We see the whole demo just moments before our supervisors arrive at the door.
I just hope he doesn't get hit by a truck.2 -
As I will have a new job soon and it seems likely that it will be in network api design I wonder if you have good book recommendations on the topic.
I already have "clean code", "clean architecture" and "design patterns" in my pipeline, so I need something more specific on designing network (restful) service apis.
(This is a follow up to https://devrant.com/rants/1828903/...)3 -
as a seasoned systems eng myself, i had huge mental block of "i am not a programmer" whining when starting to incorperate agile/infrastructure as code for more seasoned syseng staff.
leadership made devops a role and not a practice so lots of growing pains. was finally able to win them over by asking them to look at how many 'scripts' and 'tools' they wrote to make life easier... and how much simpler and sustainable using puppet/ansible/chef/salt... and checking in all our sacred bin files and only approved 'scripts' would be pushed thru automation tool after post review.
we still are not programmers or developers, but using specific practices and source control took some time but saving us loads of time and gives us ability to actually do engineering
but just have 2 groups of younger guys that grew up wanting to be the bofh/crumudgen get off my systems types that are like not even 30... frustrating as they are the ones that should be more familiar with the shift from strictly ops to some overlap. and the devs that ask for root now that they can launch instances on aws or can launch docker containers and microservice..... ugggg. these 2 groups have never had to rack and stack servers, network gear, storage... just all magic to them because they can start 50 servers with a button click.
try to get past the iam roles, acls, facls, selinux and noshell i have been pushing. bitches. -
A beginner in learning java. I was beating around the bushes on internet from past a decade . As per my understanding upto now. Let us suppose a bottle of water. Here the bottle may be considered as CLASS and water in it be objects(atoms), obejcts may be of same kind and other may differ in some properties. Other way of understanding would be human being is CLASS and MALE Female be objects of Class Human Being. Here again in this Scenario objects may differ in properties such as gender, age, body parts. Zoo might be a class and animals(object), elephants(objects), tigers(objects) and others too, Above human contents too can be added for properties such as in in Zoo class male, female, body parts, age, eating habits, crawlers, four legged, two legged, flying, water animals, mammals, herbivores, Carnivores.. Whatever.. This is upto my understanding. If any corrections always welcome. Will be happy if my answer modified, comment below.
And for basic level.
Learn from input, output devices
Then memory wise cache(quick access), RAM(runtime access temporary memory), Hard disk (permanent memory) all will be in CPU machine. Suppose to express above memory clearly as per my knowledge now am writing this answer with mobile net on. If a suddenly switch off my phone during this time and switch on.Cache runs for instant access of navigation,network etc.RAM-temporary My quora answer will be lost as it was storing in RAM before switch off . But my quora app, my gallery and others will be on permanent internal storage(in PC hard disks generally) won't be affected. This all happens in CPU right. Okay now one question, who manages all these commands, input, outputs. That's Software may be Windows, Mac ios, Android for mobiles. These are all the managers for computer componential setup for different OS's.
Java is high level language, where as computers understand only binary or low level language or binary code such as 0’s and 1’s. It understand only 00101,1110000101,0010,1100(let these be ABCD in binary). For numbers code in 0 and 1’s, small case will be in 0 and 1s and other symbols too. These will be coverted in byte code by JVM java virtual machine. The program we write will be given to JVM it acts as interpreter. But not in C'.
Let us C…
Do comment. Thank you6 -
How I hate all those people who think VisualStudio Code is Open Source. It's not! Read the f*cking license!
https://code.visualstudio.com/licen...
In fact, you aren't even allowed to inspect its network traffic. Not to mention reverse engineering. That's nowhere near OpenSource.
You sure can download the source code, licensed as MIT, but building it won't give you the same piece of software.
Don't believe in everything someone tells you. Use your brain and check the facts.12 -
Spend all day debugging simple post request. Like really what is going on. Super simple. Eyes start to bleed. Check spelling on everything. Finally find out the access-control-origin isn't set right, other dev said it was whatever so glad I'm moving on. Nope. Same error running the app from Visual Studio. Check code again. Everything works in a browser. Windows, VS, or the emulator is blocking just POST requests. I can do get requests all day.
What hell. I'm so critical of my code I spend hours pouring over something I knew was right instead of looking for network errors. I just need to trust myself I guess.
Oh and Windows Cordova apps don't support ES6 lol.1 -
Implementing a neural network, SHIT CODE got so complicated, stuck in a line for a couple of days now. FUCCCCCCCCCCK! WEEKEND ALSO F@#KED1
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So, I was working on my code base and wanted to update my remote with the local changes. I issued the git push command but it just remained unresponsive, no error-nothing. (I use bitbucket as remote host). This was strange, even enabling verbose option didn't tell me anything useful apart from usual 'pushing this to that' sort of response. I checked internet connectivity on my system. It's fine. I restarted my network-mananger just in case, tried if ping, telnet and other tools were working. Everything seemed fine.
Well, it turns out for a major portion of the day bitbucket was having issue with ssh connection. Finally I added https remote and was able to push my changes using 'username', 'password' route.
It wasted a good portion of my time today!! -
I knew programming was for me, MUCH later in life.
I loved playing with computers growing up but it wasn't until college that I tried programming ... and failed...
At the college I was at the first class you took was a class about C. It was taught by someone who 'just gets it', read from a old dusty book about C, that assumes you already know C... programming concepts and a ton more. It was horrible. He read from the book, then gave you your assignment and off you went.
This was before the age when the internet had a lot of good data available on programming. And it didn't help that I was a terrible student. I wasn't mature enough, I had no attention span.
So I decide programming is not for me and i drop out of school and through some lucky events I went on to make a good career in the tech world in networking. Good income and working with good people and all that.
Then after age 40... I'm at a company who is acquired (approved by the Trump administration ... who said there would be lots of great jobs) and they laid most people off.
I wasn't too sad about the layoffs that we knew were comming, it was a good career but I was tiring on the network / tech support world. If you think tech debt is bad, try working in networking land where every protocols shortcomings are 40+ years in the making and they can't be fixed ... without another layer of 20 year old bad ideas... and there's just no way out.
It was also an area where at most companies even where those staff are valued, eventually they decide you're just 'maintenance'.
I had worked really closely with the developers at this company, and I found they got along with me, and I got along with them to the point that they asked some issues be assigned to me. I could spot patterns in bugs and provide engineering data they wanted (accurate / logical troubleshooting, clear documentation, no guessing, tell them "i don't know" when I really don't ... surprising how few people do that).
We had such a good relationship that the directors in my department couldn't get a hold of engineering resources when they wanted ... but engineering would always answer my "Bro, you're going to want to be ready for this one, here's the details..." calls.
I hadn't seen their code ever (it was closely guarded) ... but I felt like I 'knew' it.
But no matter how valuable I was to the engineering teams I was in support... not engineering and thus I was expendable / our department was seen / treated as a cost center.
So as layoff time drew near I knew I liked working with the engineering team and I wondered what to do and I thought maybe I'd take a shot at programming while I had time at work. I read a bunch on the internet and played with some JavaScript as it was super accessible and ... found a whole community that was a hell of a lot more helpful than in my college years and all sorts of info on the internet.
So I do a bunch of stuff online and I'm enjoying it, but I also want a classroom experience to get questions answered and etc.
Unfortunately, as far as in person options are it felt like me it was:
- Go back to college for years ---- un no I've got fam and kids.
- Bootcamps, who have pretty mixed (i'm being nice) reputations.
So layoff time comes, I was really fortunate to get a good severance so I've got time ... but not go back to college time.
So I sign up for the canned bootcamp at my local university.
I could go on for ages about how everyone who hates boot camps is wrong ... and right about them. But I'll skip that for now and say that ... I actually had a great time.
I (and the handful of capable folks in the class) found that while we weren't great students in the past ... we were suddenly super excited about going to class every day and having someone drop knowledge on us each day was ultra motivating.
After that I picked up my first job and it has been fun since then. I like fixing stuff, I like making it 'better' and easier to use (for me, coworkers, and the customer) and it's fun learning / trying new things all the time. -
Ok, we were troubleshooting a network connection problem. My boss told me: use fping, a small command line utility that gives you a timestamped ping. We can then check when did the connection go down. Ok. Since I've always advocated the importance of knowing advanced scripting tools, i tried to do it with powershell. I've been playing with Test-Connection for an hour to try to get not only the timestamp when the connection is ok, but the timestamp when the connection is down. Don't want to go into details. I've just a question. A solution that allows you to do such an easy task in say 20 lines of code is the proof that the system works or that it doesn't work? To make long story short, now i'm downloading fiping.6
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Start standing up for my health and my expertise more, dive deep into animation, get a job on the product side, find time for my neglected side projects, go on more walks, get with a hot dev girl who can act as my lead and can spank and beat me when my code is shitty, network more with other devs to build collective safety nets for each other, buy a house with a record player room and hockey garage, practice more love3
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I am working in the web department of a marketing company. Well, in the department there is me and my boss.
I am trying to push the idea of using git for the development of our internal tools but my boss doesn't see why it's a better way to manage our source code than using a network drive backed up with Timemachine.
What good points can I show him to try to convince him.2 -
Finally I finished the exams, now I have to write my thesis. An agency who wants remain anonymous at the moment told my supervisor to choose a student who will works out on the ransomware argument. The relator was a little bit scared about consequences but I'm pressing to write a controlled ransomware in a closed network brtween virtual machines. What qualities a good ransomware should has?
Mutable structure to avoid antivirus detection? Good exploits and vulnerability scanners to make itself viral? The payload should stay in the code or should be downloaded from a server? I need some reference on analysis of vx codes, any help? -
App of a little social network I'm member of didn't connect to the server anymore, since the social network changed their SSL-certification and my smartphone is too dumb to accept the new one.
So, I pulled the source code of the app from GitHub and added some code dealing with SSL-connection-exception-handling.
A warning appears, that there were some errors with the SSL-cert with the question how to proceed and three options:
Quit, Ignore for now, Ignore and don't ask me again.
The code to ignore ssl-errors is just for debug-/develop-purposes, but hey, app with that little "hack" is running only on my phone x)
Now, the app is working again at my smartphone \o/2 -
So I have an idea for a game. While I'm still learning the code required to make it run I'm also fleshing out ideas in my dome box. Keep in mind this is a basic rundown of said game. Not an all inclusive list of features or mechanics.
A Text RPG MUD loosely based on Stargate. Make a world creator for it and let people connect thier own worlds to the network. Original idea came from games like Neverwinter Nights where people could run thier own privately hosted modded servers.
Base game is effectively a tutorial leading up to powering on the gate.
At which point you will have one or two randomly generated worlds that can be explored by other players and role played in.
I'm a long way off of being able to make this but what do you all think?2 -
Its normal if i drop some eyedrop at my new job ? My boss don't know anything of is network ... Cannot help me with noting no code no net... All the code is done already is a deep shit full of breach im fucking solo in a room face a brick wall no window ! Can i stay for 10 month at this place ?
Need to coding but have no cluse how to connect to a fucking database no user no password ...
Its the fucking hell here 👿😢3 -
A friend who just got into ML recently.
"Dude, did you know how amazing ML is??"
"I'm training a computer to give out outputs, basic AI dude"
"Dude logistic regression is the shizz"
"You heard about backprop mate?"
"ANN is the next big thing. I'm currently working on one of the biggest AI project now"
So I casually ask him whether he completely his project or not. He proudly showed me a 9 lined code he copy pasted from Google (search for neural network in 9 lines) and said, "Dude I trained my laptop with some advanced AI techniques to give out the perfect XOR outputs"
He rounded off values like 0.99 to 1 and 0.02 to 0 to make it look perfect.
#facepalm1 -
If it were possible i would make windows punish itself by playing this: https://youtu.be/th4Czv1j3F8 . But this goddamn piece of garbage software refuses to connect to my Ian-network since an hour ago. Why? I have no fucking idea. There are a switch and a repeater between the router but that never stopped wanblows before. And the devices located deeper in my network topology are fine, i also reset everything from the physical connection to "network adapters" in the UX horror they call system settings.
And i'm pretty sure it'll work again in an hour or so for no appearent reason just so this steaming pile of shit code could ruin my afternoon. -
I feel really lost in neural network theory.
the mnist sample made sense, but now I'm looking at Gans and CNN's.. and now all of a sudden I'm lost.
True also are the examples I'm finding of something I know I was able to get to work when more at peace once upon a time called wavenet for text to speech.
I used the Onyx model however which was very easy to implement, but I quickly get lost looking at the tensorflow and pytorch code, even though it is very short I feel intimidated.
The ssd mobilenet documentation also is pretty straightforward, but when I look for wavenet information about providing input in what format and interpreting output I'm having some trouble.
Its frustrating.
I'm tense, I'm poorly rested, I'm sick of having to redo crap and I'm surrounded by people who make me hypervigilant, skin crawly and tense.
How to overcome these things when I'm not at peace at all ?
I don't know. Pushing through it isn't compatable with the mindset I've been forced into.5 -
Relatively often the OpenLDAP server (slapd) behaves a bit strange.
While it is little bit slow (I didn't do a benchmark but Active Directory seemed to be a bit faster but has other quirks is Windows only) with a small amount of users it's fine. slapd is the reference implementation of the LDAP protocol and I didn't expect it to be much better.
Some years ago slapd migrated to a different configuration style - instead of a configuration file and a required restart after every change made, it now uses an additional database for "live" configuration which also allows the deployment of multiple servers with the same configuration (I guess this is nice for larger setups). Many documentations online do not reflect the new configuration and so using the new configuration style requires some knowledge of LDAP itself.
It is possible to revert to the old file based method but the possibility might be removed by any future version - and restarts may take a little bit longer. So I guess, don't do that?
To access the configuration over the network (only using the command line on the server to edit the configuration is sometimes a bit... annoying) an additional internal user has to be created in the configuration database (while working on the local machine as root you are authenticated over a unix domain socket). I mean, I had to creat an administration user during the installation of the service but apparently this only for the main database...
The password in the configuration can be hashed as usual - but strangely it does only accept hashes of some passwords (a hashed version of "123456" is accepted but not hashes of different password, I mean what the...?) so I have to use a single plaintext password... (secure password hashing works for normal user and normal admin accounts).
But even worse are the default logging options: By default (atleast on Debian) the log level is set to DEBUG. Additionally if slapd detects optimization opportunities it writes them to the logs - at least once per connection, if not per query. Together with an application that did alot of connections and queries (this was not intendet and got fixed later) THIS RESULTED IN 32 GB LOG FILES IN ≤ 24 HOURS! - enough to fill up the disk and to crash other services (lessons learned: add more monitoring, monitoring, and monitoring and /var/log should be an extra partition). I mean logging optimization hints is certainly nice - it runs faster now (again, I did not do any benchmarks) - but ther verbosity was way too high.
The worst parts are the error messages: When entering a query string with a syntax errors, slapd returns the error code 80 without any additional text - the documentation reveals SO MUCH BETTER meaning: "other error", THIS IS SO HELPFULL... In the end I was able to find the reason why the input was rejected but in my experience the most error messages are little bit more precise.2 -
What do you guys think about deploying elastic search on App Engine Custom Runtime?
(Basically, an empty folder with an elastic search Dockerfile.)
I think it's a good idea: you can now deploy your code and storage application (Elastic search, Redis, etc) as services on your cluster.
You can use GCP magic to auto scale those services, you have so many good stuff that come with it.
And it's inside the same network as your services running in the same AppEngine project.1 -
Wasted an hour or two on that...
After changing the library I used, was trying to test that my Java WebSocket client was reconnecting as I intended upon losing connection.
Me : Why are you making the rest of the app bug you stupid fucker? The old one was doing fine!
WS : ...
Changes code, looks on SO a bit.. Gets despaired.
Then it struck..
The "rest of the app" was connected to a sensor.. On the network.. From which I disconnected to mimic a loss of connection...
😭😢😂😂😂👌 -
So I, after 3 days finally perfected a 'texting' code for 2+ computers on a network in shellscript... I was so happy I had a spasm and kicked my laptop off my bed and broke it, I had to start over!
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Question for all you Java devs out there (and a story). We have a customer that we interfacing with their machine. They sent us a simulator that runs in Windows written in Java. I did try running it in Linux, but the JVMs I have installed did not like it at all. Complained about missing deprecated stuff. I start up their sim in Windows and find it is opening between 50 and 100 network ports. Then I tell the simulator to run inside the gui for their program. It pegs all of my processor cores at 100%. I have pegged cores in software before, then corrected my errors in my code. However, I have never pegged all the cores at once. I am kind of in shock.
So, how hard is it to peg all the cores in a Java program? I assume they have a thread on every port or some nonsense?6 -
Anybody like to rip up CTF (or similar)? I've honestly never done a CTF before, I'd like to give jt a shot. I'll get my ass handed to me because I'm not back up to par on OpSec yet, but I adapt well and when I get into a nice groove I can make shit happen! (I like to think so, anyways haha!!)
I've been in full on dev mode lately and haven't had any time to Hulk Smash for a while... I went to fire up a new Kali live USB today and I couldn't run through the updates like I always have- they changed sooo much and I was pissed because I didn't have ethernet with me. That'll be another day for sure, but I still have my machine with Manjaro armed to the nutsack and back with the BlackArch rep. I def could use a break from the chaos, and getting my ass handed right to me sounds like an awesome time because learning is my favorite thing next to a possible chance at getting to destroy shit.
It's weird, because I'm sort of a n00b but also at the same time I've had computers ripped apart/jammed in my face since every day since I was 9 and Y2K was about to hit the fan lmao!! My hardware/network/layering knowledge is fuckin mint titties, I just can't code like a fuckin madman on the fly. I don't have a "primary" language, because I've been having to work with little bits of several languages for extended periods of time... I can at least find my way around all the dox without much of an issue and have no issue solving the probs I come across which is neat, but until the day comes where I can fuck a gaping hole through my keyboard on the fly like George Hotz during one of his lazy Sunday OpenCV SLAM/Python code streams all jacked up on Herba Mate hahahahaha!!!!
The dude uses fucking VIM and codes faster than anyone I've ever seen on levels of science/math so challenging I almost shit myself inside out when I catch one!!!! The level of respect I have for all my fellow red pills in here is as high as it gets, and that's one of the best parts about being a code junkie- sometimes ya get to cross paths with beastly, out of this world people that teach you so much without even having to explain shit.
If anyone's down, or maybe has some resources for me to check out so I can get my chops up let's make it happen -
Todays website fail, looks like someone is using a NFS mount for the site:
"Deprecated: Non-static method PageLinesTemplate::current_admin_post_type() should not be called statically, assuming $this from incompatible context in /nfs/c03/h03/mnt/166492/domains/makerspace.com/html/wp-content/themes/pagelines/admin/class.options.metapanel.php on line 30" -
Firstly give me the skill equivalent to the best in the field. If the rules allow it all of these skills listed and if not any of these :-
1. Computer networking to the point of having the same knowledge as the best in the field. Why? I am curious about that stuff and being able to work as a network engineer if I don't get a good Dev job
2. Cyber security. Why? I enjoy it and being able to make sure my code is not easily exploitable is a cherry on top. Also having a backup job in case I don't get a good dev job
3. Being able to communicate with non dev people about developer or non developer stuff easily and being a really good leader.
4. Being a good developer in whatever language I use and instantly being able to learn new programming languages and frameworks or libraries with ultra in depth information. -
rant.author != this
Christ people. This is just sh*t.
The conflict I get is due to stupid new gcc header file crap. But what
makes me upset is that the crap is for completely bogus reasons.
This is the old code in net/ipv6/ip6_output.c:
mtu -= hlen + sizeof(struct frag_hdr);
and this is the new "improved" code that uses fancy stuff that wants
magical built-in compiler support and has silly wrapper functions for
when it doesn't exist:
if (overflow_usub(mtu, hlen + sizeof(struct frag_hdr), &mtu) ||
mtu <= 7)
goto fail_toobig;
and anybody who thinks that the above is
(a) legible
(b) efficient (even with the magical compiler support)
(c) particularly safe
is just incompetent and out to lunch.
The above code is sh*t, and it generates shit code. It looks bad, and
there's no reason for it.
The code could *easily* have been done with just a single and
understandable conditional, and the compiler would actually have
generated better code, and the code would look better and more
understandable. Why is this not
if (mtu < hlen + sizeof(struct frag_hdr) + 8)
goto fail_toobig;
mtu -= hlen + sizeof(struct frag_hdr);
which is the same number of lines, doesn't use crazy helper functions
that nobody knows what they do, and is much more obvious what it
actually does.
I guarantee that the second more obvious version is easier to read and
understand. Does anybody really want to dispute this?
Really. Give me *one* reason why it was written in that idiotic way
with two different conditionals, and a shiny new nonstandard function
that wants particular compiler support to generate even half-way sane
code, and even then generates worse code? A shiny function that we
have never ever needed anywhere else, and that is just
compiler-masturbation.
And yes, you still could have overflow issues if the whole "hlen +
xyz" expression overflows, but quite frankly, the "overflow_usub()"
code had that too. So if you worry about that, then you damn well
didn't do the right thing to begin with.
So I really see no reason for this kind of complete idiotic crap.
Tell me why. Because I'm not pulling this kind of completely insane
stuff that generates conflicts at rc7 time, and that seems to have
absolutely no reason for being anm idiotic unreadable mess.
The code seems *designed* to use that new "overflow_usub()" code. It
seems to be an excuse to use that function.
And it's a f*cking bad excuse for that braindamage.
I'm sorry, but we don't add idiotic new interfaces like this for
idiotic new code like that.
Yes, yes, if this had stayed inside the network layer I would never
have noticed. But since I *did* notice, I really don't want to pull
this. In fact, I want to make it clear to *everybody* that code like
this is completely unacceptable. Anybody who thinks that code like
this is "safe" and "secure" because it uses fancy overflow detection
functions is so far out to lunch that it's not even funny. All this
kind of crap does is to make the code a unreadable mess with code that
no sane person will ever really understand what it actually does.
Get rid of it. And I don't *ever* want to see that shit again. -
hmm... since i cant really code at work due to network restrictions and sh*ts planing to start on a personal project at home which will be like a cashless payment / e-wallet and planing to use node(express) as endpoint reactjs at web dashboard/admin and react-native for mobile client or i can just stay with laravel as endpoint and build the web ui using vuejs integrated with laravel? what do you guys think should i stick with node(express) or just use laravel?1
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THIS is powering the internet:
"[...] was a protocol number, similar to the third argument to socket today. Specifying this structure was the only way to specify the protocol family. Therefore, in this early system the PF_ values were used as structure tags to specify the protocol family in the sockproto structure, and the AF values were used as structure tags to specify the address family in the socket address structures. The sockproto structure is still in 44BSD (pp. 626-627 of TCPv2) but is only used internally by the kernel. The original definition had the comment "protocol family" for the sp_family member, but this has been changed to "address family" in the 4.4BSD source code. To confuse this difference between the AF_ and PF_ constants even more, the Berkeley kernel data structure that contains the value that is compared to the first argument to socket (the dom family member of the domain structure, p. 187 of TCPv2) has the comment that it contains an AF_ value. But some of the domain structures within the kernel are initialized to the corresponding AF value (p. 192 of TCPv2) while others are initialized to the PF value." Richard Stevens 'Unix network programming' -
I want to learn, How to add test cases in android And also about layer code pattern. like Controller, View, model, persistence, network etc...
So Please suggest a few tutorial or blogs that help me.
And please give me some links that have a test for network functions and intent related test.
Something like the test for other methods that work of different thread. (Asynk task, Volley or etc..).1 -
Is it a good approach to have a master SSL key for all your servers when making the authentication?
I am a Developer, but when you work in a company with two developers and you are the senior one you have to learn a lot of stuffs. I am learning more in depth things about how to secure the servers and network.
Now, I am expanding the servers. Splitting the code and database in three different servers (code, Master DB, Slave DB) and configuring Master-Slave databases.
My questions are:
1. Is it a good approach to have a master SSL key for all your servers?
2. Is is a good approach to use the same SSL key for Master database server and Slave database server?
Any other suggestions are welcome.
Thank You in advance!2 -
please whats the easiest way i could train a neural network without writing a code,i have data set of about 700 images9
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I'm interning at a 40yr old tech company which develops network/app monitoring tools. Was put on a customer project where I had a bit of work on the UI. Fairly simple task, except the code was in jQuery... Fml :(2
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So I'm sitting here reexamining the prototext file of the densenet model and i'm confused by what i'm seeing.
I realize its a fancy 'convolutional network' but how do you pretrain a model with what looks like a whollllleee bunch of complex programmatic procedures in between input and output ?
I thought each layer was just an activation code, bias and so many connected weights which act as coefficents to the last layers output ?
how is gradient descent performed where you have imaging procedures being performed ?1 -
Should I write my app as a pwa or in electron. The app needs to be on mobile devices too but I wont mind rewriting the app for another platform since the app is pretty small. It only needs notifications, network access and basic read and write access to write some pretty small configs. Most of the code will be for the ui anyways1
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I have recently learned to use data binding with recyclerView in android. I need to make some network calls on the click of a button at the recyclerView, and based on response I need to update my UI. All my code for the view is in my ViewHolder. Bt all the code for my network calls are in repository which is accessed by my viewModel. how can I make the network calls from the viewHolder?question repository viewmodel best practice mvvm kotlin app recyclerview android sdk android development viewholder android2
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Ok so i decided to dive into Objective-C
within the windows system
I downloaded the GNUstep-sys- and the GNU-core-
installed GNU-sys first as instructed on the site
the core
But i had installed Strawberry some time back for running some network scripts with perl
now the gcc that's being used is from Strawberry not the GNUstep that I've installed
and when i trey to compile Objectiv-C code the bellow error strike
please if anyone out there has a solution3