A very insightful blog article with may items on it that I found I've known about or used in the past.  My favorite happens to be one that I was not aware I was using, and using it well I might add.

Modesty is not a career-enhancing character trait:

I know it's kinda freshman to admit this, but Logic and the factoring of multiple discreet parameters to as small and efficient a code statement as possible is really cool.