Someone calling themselves a programmer or engineer really only needs to be able to take the requirements they're asked to implement by their employer and imple

Someone calling themselves a programmer or engineer really only needs to be able to take the requirements they're asked to implement by their employer and implement them in an agreeable timeframe. No more, no less. Doing so will get you paid for the activity of programming. Along the way if you don't know anything, because you can't know or remember everything, you just look it up. The end.