

You can write comments, but you can’t make your colleagues read them. They don’t necessarily have to visit the originating file to read the docs.
Short variable names tend to lead different people to make different kinds of assumptions about the purpose and use of the variable. Those differences in understanding is where a lot of subtle bugs come from, or causes people to hit a dead end.
Just be clear and explicit. Its not gaming; you dont have to care about losing a couple extra frames to type out a few extra characters. Most IDEs have sufficient autocompletes so it’s literally not even a problem in many cases.









Learning to code isn’t it. Spending so many hours practicing Dijkstra’s algorithm and object oriented programming is relevant to building software for other people to use, not controlling it or maintaining your own things.
If you want control of your own machines, learn the terminal, learn operating systems and how to understand network APIs. Learn how to use WireShark to examine how your own devices talk to the internet so that you understand how they work. A generic programming course will not take you in this direction.