I do this with chess. I take positions from tournament games in which I made a correctable mistake (generally not positions in which there was just a lot of cal

I do this with chess. I take positions from tournament games in which I made a correctable mistake (generally not positions in which there was just a lot of calculation to be done and I wasn't up to the task) and add them as flashcards to my spaced repetition system. It is true that software engineers often treat bugs as unfortunate but unavoidable noise in the system; when one pops up, you fix it and move on. But it's really worth thinking them as an inherent part of the process of software development, one which you can improve and learn from, just like anything else.