This is the revision history for hard problems in <*:##NULL>

factoid_idsubjectcopulapredicateauthornamespace
15513 hard problems is [fact hard things [arg]]
there's only two hard things in computer science: naming things, cache invalidation, and off by one errors
simcop2387
15512 hard problems is [fact hard things [arg]] simcop2387
14025 hard problems is [fact hard things [arg]]
there's only two hard things in computer science: naming, cache invalidation, and off by one errors
simcop2387