- Fail early, fail often.
- Always initialize from data.
- Know what it’s supposed to do.
- Make it fail every time.
- Make it fail fast.
- Change one thing at a time, for a reason.
- Keep track of what we’ve done.
- Be humble.
- Test the simple things first.
And remember, a week of hard work can sometimes save you an hour of thought.
xkcd: Automation
CodingBat: Test driven development
