Post #2175378

There are 2 hard things in computer science: 0. Cache invalidation 1. Naming things 7. Asynchronous callbacks 2. Off-by-one errors 2. Race conditions (This thought brought to you by the heisenbug in a piece of Perl code that generates calls to an Fvwm3 module that wasn't working, then sometimes working, then working consistently but still declaring mission failure, with no substantive code changes.)