[abkolan]

Four CEO changes in five days to be precise.

Sam -> Mira -> Emmet -> Sam

[Hendrikto]

That are three changes. Every arrow is one.

[physicles]

Classic fence post error.

[nonethewiser]

And technically 2 new CEOs

[qup]

The three hard problems: naming things and off-by-one errors

[Crespyl]

I always heard:

There are two hard problems: naming things, cache invalidation, and off-by-one errors.

[maxlin]

1 hard problems.

naming things, cache invalidation, off-by one errors, and overflows.

[freedomben]

Thank you for not editing this away. Easy mistake to make, and gave us a good laugh (hopefully laughing with you. Everyone who's ever programmed has made the same error).

[low_tech_punk]

Set semantic or List semantic?

[abkolan]

Edit: Making no excuses, this one is embarrassing.