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The Subversion Cheat Sheet, a quick reference guide for command line Subversion.

A quick reference guide for MySQL, including functions (both in MySQL and PHP), data types, and sample queries. Available in PDF and PNG formats.

The Web Developer's SEO Cheat Sheet

The CSS 2.1 Help Sheet covers Syntax, Font, Text, Margins, Padding, Border, Position, Background, List, Media Types and Keywords. The CSS 3 Help Sheet contains code snippets for Rounded Corners, Box Shadow, Multiple Columns, Text Shadow, RGBa, Font Face (actually, not the CSS3 property, but still include for the sake of usefulness), Box Sizing, Box Resize, Outline and Gradients.

In order to be efficient, a web developer should have a toolbox with code snippets he can use and reuse when needed. In this article, I'm going to show you 10 extremely useful PHP code snippets to add to your web developer toolbox.

Welcome to the Part 5 - final part of the series on MySQL Functions. I hope you've enjoyed it(or at least found it useful so far. You might want to check out Part 1 - Date and Time Functions, Part 2 - String Functions, Part 3 - Fun With Numbers or Part 4 - Make Functions with Stored Procedures & Triggers, in case you have missed any of them. In this final part, I thought I'd take a quick look at how MySQL performs in terms of speed versus PHP.

DevCheatSheet is a free directory of cheat sheets and quick reference cards for developers, designers, programmers, engineers, and nerds.

Here is a collection of useful cheat sheets specifically for front end web development that will help you with HTML, JavaScript, and CSS.