Coding: Six ways to write more comprehensible code

From IBM there’s the Six ways to write more comprehensible code – How to keep your code from destroying you. Usefully it provides examples for:

1. Comment like a smart person
2. Use #define a lot. No, a LOT
3. Don’t use variable names that will mock you
4. Do error checking. You make errors. Yes, you
5. “Premature optimization is the root of all evil.” – Donald Knuth
6. Don’t be too clever by half.