These don’t all really seem to necessarily be “equations” but they are all extremely useful things you should know. The article contains some details on the following: Binomial Coefficient Demorgan’s Laws Eigenvector and Eigenvalue Pumping Lemma for Regular Languages Information Entropy Bayes’ Theorem Fermat’s Little Theorem Natural Join The Fixed-Point (Y) Combinator O(N) Euler’s Identity [...]

Just a few excellent responses from Stackoverflow.com to the question: “What programming terms have you coined that have taken off in your own circles (i.e. have heard others repeat it)? It might be within your own team, workplace or garnered greater popularity on the Internet.” Some examples being: “Yoda Conditions” and “Pokemon Exception Handling.” Dodgy [...]

The Doom 3 source code has recently been released under the GPL license by iD Software and it appears that someone has been able to successfully build it under OS X! There is also a small/partial code review of sorts here too with plans for a complete code review in the future. Check out the [...]

Now here is a good article (mainly for Unix beginners) that outlines some of the most useful basic Unix commands available.  Read the article here: Unix Command Line Fu (via kresimirbojcic.com). The article covers commands such as: cut, grep, sort, uniq, cat, tac, join, tail, head, etc. It also tells you a bit about how [...]