- Keep as close as possible to reality. If teaching someone about apples, give them apples.
- Version 1. Input -> [Do something here] -> Output
- Version 2. x -> f() -> f(x)
- Premature optimization is the root of all evil. – Donald Knuth
- Make it correct, make it clear, make it concise, make it fast. In that order. – Wes Dyer
- Don’t Repeat Yourself (DRY)
- Always be in a position to undo
- A function is always too long
- A method is always too long
- A class is always too long
- Simplicity is prerequisite for reliability. – Edsger Dijkstra
- Computers, and people must not be left unattended
- If this side is the same as the other side; whatever you do to this side, you must also do to the other side.
- Legacy code is code you wrote more than 10 minutes ago. – Justin Beal