Here, have some geeky jokes

I am very tired and it's been a long day so here, have a geeky joke my friend just told me when I said I'd been trying to help my 15 year old nephew with his robotics project.

How many software engineers does it take to screw in a lightbulb?
( How many? )

And then there's my favorite computer science joke.
What are the two hardest problems in computer science?
( What are they? )