Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve. Although mathematics will help you arrive at elegant and efficient methods, the use of a computer and programming skills will be required to solve most problems.

what are characteristics of a good story? The acronym "INVEST" can remind you that good stories are: I – Independent; N – Negotiable; V – Valuable; E – Estimable; S – Small; T – Testable.

Critical Mass of Software: the state of a software system when the cost of changing it (enhancement or correcting defects) is less economical than re-writing it.

"Of a software product, describes a condition of the software such that fixing one bug introduces one plus epsilon bugs."

wiki article that actually overview the issue of lag in gaming and three "solutions" to the problem.

tutorial on GUI development in os x

Downloads for SVN (Subversion) packages.