How many prolog programmers does it take to change a lightbulb? Yes.

To understand what recursion is, you must first understand recursion.

Jesus and the devil were arguing over which one of them was the better computer programmer. "I am!" Jesus shouted. "No, I am!" the devil countered. "I am!" "I am!" "Me!" "No, me!" "EEEEEEENOUGH!" God bellowed, and the whole universe disappeared into darkness. When the lights came back on, two computers were sitting in front of them. God said "Now, whoever makes the best computer program in twenty minutes wins." Jesus and the devil both sat down, typing and clicking furiously. This went on for about 15 minutes, but then there was a power failure, and everything went dark. When ev ... read more

Q: How many programmers does it take to change a light bulb? A: None, that's a hardware problem.

How do two programmers make money? One writes viruses, the other anti-viruses.