More links I've accumulated; this list is pretty tech-centric.

• Solving every sudoku puzzle in around 100 lines of Python, by trying the simplest solutions first.
• Or, if you think it's "cheating" (or just not fun) to write a program, you can use one of these many advanced strategies for sudoku
• Video of a design environment developed at MIT that interprets your drawings as two-dimensional objects affected by gravity, as in: you draw a cart and an incline and it rolls down.
• A "code smell" is a sign that your code probably use a change or two. But what to do? Look up the suggested refactorings for code smells.
• A catalogue of the most common cross-site scripting vulnerabilities, how they work and how to test if your site is protected against them.
• This explanation of "closures" is good for capitalizing the power of JavaScript functions.
• Before you donate that computer, make sure no one can reconstruct your data by using Boot and Nuke to wipe the hard drive
• Want to learn LISP to gain geek cred, expand your mind or (gasp!) actually build an application with it? Lispbox collects all the stuff you'll need for Lisp programming, in one place.

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