CSS is a valuable tool to help web designers quickly and easily add quality design effects to web pages while keeping the presentation layer completely separate from the structural layer. Here is a roundup of several current (and future) advanced CSS tutorials that you can use to help give your web site the professional look that people expect.

The best cheat sheets I have found for the various technology that you will come across in your projects. A number of elements are covered including PHP, regex, wordpress, css, fonts, gimp, html, javascript, jQuery, mod rewrite, mysql, photoshop, and more.