I create a chimera in all my projects.

I gave in...

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I'm covering for a colleague who has 2 weeks of vacation. Everything is made with Drupal 7, and it's a backend + frontend chimera with no head and 50 anuses.

So, last monday i get told i have to show a value based on the formula:
value * (rate1 - rate2) / 2

On thursday, every calculation in that page is suddenly wrong and I get balmed for it. Turns out, now it has to be:
value * (rate1 - rate2) / rate1 / 2

Today, I get told again the calculations are wrong. "It has to be wrong, the amount changes when rate1 changes!". There'll be a meeting later today to discuss such behaviour.

All these communications happened via e-mail, so I'm quite sure it's not my fault... But, SERIOUSLY! Do they think programmers' time is worthless? Now I'll have to waste at least 1 hour in a useless meeting because they cba to THINK before giving out specs?!

Goddammit. Nice monday.

URG!

I cannot think about a title, so just story:
in my position as multi headed chimera one of my ongoing task is it to dedust old excel sheets, processes and other super inefficient relics that steal time. Mostly i solve those with some tiny vba scripts, bigger vba scripts or a tiny java applications. usually that takes a few hours or maybe two days, depending on what i think is necessary.

the current task at hand is for our (physical) production, work time is noted on a sheet of paper and later given to the production head. Who then proceeds to type it all in excel to do his thing. The guy is starved of time by a huuge margin.

So, crafty kangaroo that i am i think: a barcode scanner, some raspberry pis with touchscreens and some mediocre php/mysql/javascript will make our worries go away. of course this will be a longer task but there is no need to have it done immidiatly. So crafted a working prototype, presented it in the weekly company meeting and got it "greenlighted".

The other day our CEO-like guy was ranting that nothing in this company gets ever done and that people wasting their time with useless projects and named my project among them.

I dont get humans. First he gives thumbs up for this, knowing that it will probably take me 100 hours or so to create in a working manner but later he calls it "a waste of time?" I presented the use (reducing expensive mantime, paper waste and room for fudgery) and yet he calls it useless? (well, his point was that there are other problems (which are out of my reach anyway))

they guy normally is pretty nice and has an ear for problems, but when it comes to higher computer stuff (>excel) he really struggles.

:/

i really like my side project, gives me room to flex some muscles and test stuff. Also playing with raspberry pis on worktime.

On a sidenote, anyone ever tried raspi mesh networks and knows where i get working >10 inch capacitive touch screens?

Context:
At work, I code primarily with Java.

I'm a big believer in the mantra, "if it ain't broke, don't fix it", but I find myself conflicted with that when I can see how much of an improvement it would be to use a different language for some of the simple pieces in our integration.

Question:
When should one start considering other languages for your team? And if you choose other options, how do you do it in such a way where you don't end up building a chimera of an integration?