These are my links for 13 gen 2011 through 15 gen 2011:

• Mysql Tuning for Dummies – […]There is so many people asking how to improve their mysql instance, and also so many replies that increase key_buffer, sort_buffer, cache size… etc… which believe will lighten up the performance. However, fellows never notice those parameters was actually efficient to their setup.<br />
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• Understanding the Zend Framework, Part 1: The basics – Summary:  It has been four years since this series was first published, and since then, the Zend Framework has grown up to become one of the most popular PHP frameworks. Technical alliances with companies such as Abobe, Microsoft, and IBM, have strengthened the support and stability of the framework, which is now used by startups and Fortune 500 companies around the world. This article gives you a high-level view of the Zend Framework, explaining its general concepts and preparing you for the rest of this "Understanding the Zend Framework" series, which goes into the details by chronicling the creation of a new online RSS/Atom feed reader. You won't do much coding here, but for the rest of the series, you should be familiar with PHP.
• 500 Internal Server Error – 500 Internal Server Error