*Interview*

Interviewer: We have an opening. Are you interested to work?

Me: What is that I'll be doing?

I: What technologies and languages do you know?

Me: I know Scala, Java, Spark, Angular, Typescript, blah blah. What is your tech stack?

I: Any experience working on frontend?

Me: Yes. But what do you use for it?

I: Can you work with databases?

Me: I can, on SQL based. What are yours?

I: Can you do big data processing?

Me: I know Spark, if that's what you are asking for. What is it that you actually do?

I: Any experience in cloud development?

Me: Yes. AWS? Azure? GCP?

I: Do you know CI CD?

Me: Excuse me.. I've been asking a lot of questions but you're not paying attention to what I'm asking. Can you please answer the questions I asked.

I: Yes. Go ahead.

Me: What will be my position?

I: A full stack developer.

Me: What technologies do you use in your project?

I: We use all the latest tech.

Me: Like?

I: All latest tech.

Me: You mentioned big data processing?

I: Yes. Processing data from DB and generating reports.

Me: what do you use for that?

I: Java.

Me: Are you planning to rebuild it using Spark or something and deploy in the cloud?

I: No we're not rebuilding it. Just some additions to the existing.

Me: Then what's with cloud? Why did you ask for that?

I: Just to know if you're familiar.

Me: So I'll be working with Java. Okay. What do you use for UI?

I: Flash

Me: 🙄

I sat for a couple of minutes contemplating life.

I: Are you willing to join?

Me: No. Not at all. Thankyou for the offer.

Brain; "Ok you should get back into programming to take your mind of things at the moment, start work on that big project you wanted to start!"

Me: "Ok let's rebuild that asset I made last year that no body purchased or cared about!"

Brain: *Audible sigh*

Team of developers suggest one of our legacy services is a nightmare to maintain, terrible to develop on top of and is fundamentally wrong in terms of data and application structure.

They are 100% correct and I fully endorse their request to redevelop it.

I'm less enthusiastic that their new version is much worse than the original...

So ok here it is, as asked in the comments.

Setting: customer (huge electronics chain) wants a huge migration from custom software to SAP erp, hybris commere for b2b and ... azure cloud
Timeframe: ~10 months….

My colleague and me had the glorious task to make the evaluation result of the B2B approval process (like you can only buy up till € 1000, then someone has to approve) available in the cart view, not just the end of the checkout. Well I though, easy, we have the results, just put them in the cart … hmm :-\
The whole thing is that the the storefront - called accelerator (although it should rather be called decelerator) is a 10-year old (looking) buggy interface, that promises to the customers, that it solves all their problems and just needs some minor customization. Fact is, it’s an abomination, which makes us spend 2 months in every project to „ripp it apart“ and fix/repair/rebuild major functionality (which changes every 6 months because of „updates“.

After a week of reading the scarce (aka non-existing) docs and decompiling and debugging hybris code, we found out (besides dozends of bugs) that this is not going to be easy. The domain model is fucked up - both CartModel and OrderModel extend AbstractOrderModel. Though we only need functionality that is in the AbstractOrderModel, the hybris guys decided (for an unknown reason) to use OrderModel in every single fucking method (about 30 nested calls ….). So what shall we do, we don’t have an order yet, only a cart. Fuck lets fake an order, push it through use the results and dismiss the order … good idea!? BAD IDEA (don’t ask …). So after a week or two we changed our strategy: create duplicate interface for nearly all (spring) services with changed method signatures that override the hybris beans and allow to use CartModels (which is possible, because within the super methods, they actually „cast" it to AbstractOrderModel *facepalm*).
After about 2 months (2 people full time) we have a working „prototype“. It works with the default-sample-accelerator data. Unfortunately the customer wanted to have it’s own dateset in the system (what a shock). Well you guess it … everything collapsed. The way the customer wanted to "have it working“ was just incompatible with the way hybris wants it (yeah yeah SAP, hybris is sooo customizable …). Well we basically had to rewrite everything again.
Just in case your wondering … the requirements were clear in the beginning (stick to the standard! [configuration/functinonality]). Well, then the customer found out that this is shit … and well …

So some months later, next big thing. I was appointed technical sublead (is that a word)/sub pm for the topics‚delivery service‘ (cart, delivery time calculation, u name it) and customerregistration - a reward for my great work with the b2b approval process???

Customer's office: 20+ people, mostly SAP related, a few c# guys, and drumrole .... the main (external) overall superhero ‚im the greates and ur shit‘ architect.
Aberage age 45+, me - the ‚hybris guy’ (he really just called me that all the time), age 32.
He powerpoints his „ tables" and other weird out of this world stuff on the wall, talks and talks. Everyone is in awe (or fear?). Everything he says is just bullshit and I see it in the eyes of the others. Finally the hybris guy interrups him, as he explains the overall architecture (which is just wrong) and points out how it should be (according to my docs which very more up to date. From now on he didn't just "not like" me anymore. (good first day)
I remember the looks of the other guys - they were releaved that someone pointed that out - saved the weeks of useless work ...

Instead of talking the customer's tongue he just spoke gibberish SAP … arg (common in SAP land as I had to learn the hard way).
Outcome of about (useless) 5 meetings later: we are going to blow out data from informatica to sap to azure to datahub to hybris ... hmpf needless to say its fucking super slow.
But who cares, I‘ll get my own rest endpoint that‘ll do all I need.

First try: error 500, 2. try: 20 seconds later, error message in html, content type json, a few days later the c# guy manages to deliver a kinda working still slow service, only the results are wrong, customer blames the hybris team, hmm we r just using their fucking results ...
The sap guys (customer service) just don't seem to be able to activate/configure the OOTB odata service, so I was told)
Several email rounds, meetings later, about 2 months, still no working hybris integration (all my emails with detailed checklists for every participent and deadlines were unanswered/ignored or answered with unrelated stuff). Customer pissed at us (god knows why, I tried, I really did!). So I decide to fly up there to handle it all by myself

Why is it that you guys are not seeing the big picture and reading between the fucken lines... why is it that people always have to run to legislation to fix their problems .... THIS IS WHY.. the other generation accomplished so much more because when there’s a problem they came up with a solution many times better than the status quo.
Those people are few and far between now.. those folks are the innovators. You know whom I’m referring to... those people didn’t whine to create laws to fix or protect their industry from competitors.
We need to stop looking toward our government to fix our issues... especially regarding this issue.. WHY because the people in government ARE NOT TECH PEOPLE!!! THEY DONT EVEN KNOW HOW COMPUTERS WORK! for Pete’s sake folks we had a lady in there who thought the term whip the server ment to literally clean it with a rag... come-on guys, do what they did years ago you don’t like something FIX IT.. by creating something new!
There’s a reason our grandparents generation made it to the fucken moon with less technology than a calculator, BECAUSE THEY PROBLEM SOLVED!
What have we achieved in the last 5 years that is really “big”... fucken apps

Unite together build the next internet learning from the issues we’ve seen with the internet over the last 30 years.. No it won’t be quick no it won’t be easy but nothing revolutionary is easy.
It took 6 years to land a man on the moon, I think we can rebuild the network infrastructure in that time OR FAR LESS if we unite together! Without the government interference we can eliminate the ISPs from the equation and screw them over for screwing us for so long

My group is has the solution, the vision and need, to get this done be we can’t do it alone I will make the official public statement within 24 hours of the vote results...
explaining everything, the plan, the work, EVERYTHING.
We need more people.
For reference the plan can be summarized like this.. nonprofit CoOp Tier 1 ISP.. members being the end users from both sides of the equation ...

TILL THEN
Contact me here,
Or SnapChat: theqsolution
Until I release all the contact info.

My journey into learning Docker, chapter {chapter++}:

Today I learned that when you use a database image in your docker-compose file, and you want to rebuild the whole thing for reasons (say, a big update), then if you change your credentials ("root" to "a_lambda_user" or change the db's password) for more security, and you rebuild and up the whole thing... It won't work. You'll get "access denied".

Because the database (at least mysql and mariadb) will persist somewhere, so you need to run "docker rm -v" even though you didn't use any volumes.

I love loosing my fucking time.

Hmm I'm thinking of reverse engineering an old game client and trying to rebuild the backend server from scratch... In a different language..

Quite a big idea 😅 but it should be very educational! Anyone got some tips and or tricks for reverse engineering? Or some pitfalls I should avoid?

I managed to clean up the React part of my project, and now everything is smooth AF *.*
But boy oh boy did I fuck up big time, any console.log() written under the render section of anywhere was triggered around 4 times! I still have to rebuild everything (I only finished the dashboard so far) but it will be cleaner that I could ever hope

Man I seriously hate my Eclipse, started ok out of the box, but holy fuck It's become slow. Want to place a breakpoint in your big ass project that is not even running? Got your back, just give me 10 seconds, what? you renamed a local variable? let me just check the full project and rebuild the workspace again.

I would switch but since we are using Jboss and any modern IDE requires the premium version to support Jboss and management wont pay the license I'am stuck.

Fun story:

I once was in some kind of SSH-ception, my machine and two remote machines where the same, as in the username and hostname (local name) where equal. All with and Hitachi 500 GB disk.

I was going to nuke the remote machine 1, so later that day I would rebuild the system and all that good stuff, so it would be equal to remote machine 2.

I check the disks and see that it is what I expected, and proceed with the so called "sudo rm -rf /".

Turns out, in my madness, I was doing this on the remote machine 2, not on remote machine 1 (too many terminals), and after I pressed the button and 5 minutes are passed, I realize my mistake...I had just killed a big part of some research I was doing for college (100 or so simulation files, 2GB each).

LESSON: Always triple check your drives and sessions.

P.S.: Something similar happened with me once doing dd to make a ubuntu bootable flash, I ended up erasing 800GB of backup files.

So, today, I wanted to try setting up a wireguard VPN server on my little raspberry pi at home. I... expected /some/ issues, but what I found dumbfounded me.

1 - I already had the wireguard package from the unstable branch of the main raspbian repo installed... Huh, okay.
2 - Setting up config was extremely easy... Wow, so the rumors were true. Wireguard really is almost dumb-simple.
3 - Failed to create a network interface? Oh, trouble, here it is! So lets see... modprobe wireguard... Nope. Don't have the module? What?
4 - Reconfigure package to rebuild the module - missing kernel headers? Huh... weird

This was the simple stuff... Then I went down the rabbit hole of the Raspberry Pi ecosystem:

1 - There is the Raspberry Pi Bootloader, that is apparently separate from the Kernel itself. And I didn't seem to have any of the standard linux-image-* installed... What? Weird, yet there I was, running a 4.19.42-v7+ kernel...
2 - No kernel and no headers... What... The... Fuck
3 - Okay, so... Lets just... try to install the latest kernel image then? One apt-get install... It downloaded the image, but during package configuration, it failed because... I didn't have... its headers? What? What for? And if it needs them (for whatever reason), why isn't the headers package as a dependency? Ugh, whatever...
4 - Another apt-get install and... Okay, building the initrd image aaaaand...
FAIL
WHAT. What is it this time!?

Oh... Ran... No more space on device? What? Is /boot independent? Of course it is, it has to be, its a bloody different filesystem

Okay, so, lets che-OH MY GOD WTF.

Its just bloody 45 MBs big! The entire /boot is just 45 MBs large. WHY. THE. FUCK.

This was a default raspbian install from I have no idea when. But... Why. Oh WHY would ANYONE pre-configure /boot to be this incredibly tiny!?

No wonder the new init ramdisk couldn't fit in there! Its already used up from 64%!

Thanks, Raspbian Devs, now I gotta reinstall the whole system because, yes, the /boot is, of course, sector 8192. Just far enough from 2048 that there are *some* sectors free - About 3 MBs.

So what did I try? Remove the partition and recreate it from the very beginning. Only... I never tried in in the past, and okay, kernel doesn't like having the partition where its image resides deleted on the fly, it will not give up FDs pointing there or something.

So now, I have a system I cannot reboot, or it will never boot back up :|

Thanks, Raspbian!

I need to get a cheap 1U somewhere or something T.T