That, and cache invalidation.

That, and off-by-one errors

There are actually only two hard problems in computer science:

0) Cache invalidation

1) Naming things

5) Asynchronous callbacks

2) Off-by-one errors

3) Scope creep

6) Bounds checking

7) Project estimation

-1) Keeping secrets

Luckily, building better garbage collectors is easy: ref pointers to each cons

Ha ha! I get the reference:

http://people.cs.uchicago.edu/~wiseman/humor/ai-koans.html

Moon instructs a student

One day a student came to Moon and said: “I understand how to make a better garbage collector. We must keep a reference count of the pointers to each cons.”

Moon patiently told the student the following story:

“One day a student came to Moon and said: ‘I understand how to make a better garbage collector...

[Ed. note: Pure reference-count garbage collectors have problems with circular structures that point to themselves.]

old heads and new alike ~~grok~~ vibe

Naming things is the hardest thing to do in computer science.

4294967295) Integer underflows

NaN) Javascript

7) February 29th.

7) Timezones

FTFY

7.0000001) leap seconds

I thought it was the second hardest. At least that's what I remember, since I last checked.

We see what you did there.

Yes brother I agree!