4 ms·

>There are only 2 things hard in programming, cache invalidation, naming things and off by one errors. :)

• mturmon 14y ago
  It is funny. The embedded error is, of course, in itself off-by-one, but the actual cause could be cache invalidation -- the list was extended from two things to three without updating the length counter.
  • jacquesm 14y ago
    The degree of funniness is approximately exponentially related to how many hours of your life you've spent on each of the three.
    • mturmon 14y ago
      And in how many guises these "simple" problems have presented themselves over those years.