Ask HN: Anyone know any funny programming jokes?

I have a UDP joke but I'm not sure you'd get it.

(Not my joke)

At a recent real-time Java conference, the participants were given an awkward question to answer: "If you had just boarded an airliner and discovered that your team of programmers had been responsible for the flight control software, how many of you would disembark immediately?" Among the forest of raised hands only one man sat motionless. When asked what he would do, he replied that he would be quite content to stay aboard. With his team's software, he said, the plane was unlikely to even taxi as far as the runway, let alone take off.

1

I bought a giant bottle of shampoo at Costco and it almost killed me by hypothermia. I started the shower then made the mistake of reading the instructions. It said lather, rinse, repeat.

An SQL query walks up to a table and asks, “Can I join you?”