## xx technicalities for QQ IV

We often call these “obscure details”. At the same level they are typically among a large amount of details, so we can’t possibly remember them all. Surprisingly, interviewers have certain patterns when picking which technicality to ask.

These topics are typical of QQ — tough topics for IV only, not tough topics for GTD.

  • archetypical: which socket syscalls are blocking and when
  • select() syscall
  • some of the hundreds of g++ options?
  • iterator categories? Seldom quizzed
  • hash table theoretical details? too theoretical to be part of this discussion

t_ivTechnicality33 is the tag


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