_>There are 2 hard problems in computer science: cache invalidation, naming things, and off-by-1 errors
_>

there's two hard problems in computer science: we only have one joke and it's not funny. -- Phillip Scott Bowden

There are so many variations on the “there are only two hard problems in computer programming...” joke
that I’m starting to suspect that programming isn’t actually very easy. -- Nat Pryce