- DRY: http://www.codinghorror.com/blog/2007/03/curlys-law-do-one-thing.html
- DRY: http://programmer.97things.oreilly.com/wiki/index.php/Don't_Repeat_Yourself
- TDD: http://msdn.microsoft.com/en-us/library/aa730844(v=vs.80).aspx
- YAGNI: http://c2.com/cgi/wiki?YouArentGonnaNeedIt
- YAGNI: http://steve-yegge.blogspot.com/2007/12/codes-worst-enemy.html
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