3 ms·

Well, the three hardest things in computer science are after all naming things and off-by-one errors.

• biomcgary 3y ago
  I thought the two hardest things in CS was naming things, off-by-by one errors, and cache invalidation, but I must be remembering that incorrectly.
  • klabb3 3y ago
    synchronization. Don’t forget
    • sdenton4 3y ago
      The whole reason for the off by one error in the standard joke is that we forgot to use a mutex.
    • actionfromafar 3y ago
      Don’t forget synchronisation.
  • spenczar5 3y ago
    synchronization, too
    • Sduic 3y ago
      OK, the two hardest things in CS are naming things, off-by-one errors, cache invalidation, and synchronisation...and consensus... I'll come in again.
      • hnburnsy 3y ago
        Damn you beat me to it, I knew this felt like a Monty Python skit... >“Nobody expects the Spanish Inquisition! Our chief weapon is surprise... surprise and fear... fear and surprise... Our two weapons are fear and surprise... and ruthless efficiency.... Our three weapons are fear, and surprise, and ruthless efficiency... and an almost fanatical devotion to the Pope... Our four... no... Amongst our weapons... Amongst our weaponry... are such elements as fear, surprise... I'll come in again.”
      • bostik 3y ago
        Consensus is a distributed systems problem. And in that space there are only two hard problems: 2. Exactly-once delivery 1. Guaranteed order of messages 2. Exactly-once delivery