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If you ever play around with HTML, CSS, and JavaScript, and don’t want to set up a testing environment, check out JSFiddle. JSFiddle is a web app that lets you input HTML, CSS, and JavaScript, hit a button, and see the results of your code.

Do you wish you knew how to program? I sure do. Even though I had a programming class or two in college, I know only enough to muddle through some code to get a rough idea about what is happening. When I’ve looked into learning how to program, I’ve seen only boring tutorials in print or online. Until now. Try Ruby is an online interactive tutorial, based on Ruby, that walks you through some of the basics of programming in Ruby.