Beauty and Clean: a free minimal WordPress theme
40 Professional WordPress Themes Which Rock
Chained Select Boxes using PHP / MySQL / AJAX / jQuery
Speed up Magento by ~235%
13 Useful WordPress SQL Queries You Wish You Knew Earlier...
WordPress is driven by a MySQL database. All of the WordPress data like the posts, comments, categories, and settings are stored within the MySQL database. With the help of SQL query you can save time going through all the records to change the data.
WordPress Optimization Guide
Using the CSS @import Rule
Ultimate IE6 Cheatsheet: How To Fix 25+ Internet Explorer...
This is the IE6 resource you've been hoping for. Learn pre-emptive best practices and find fixes for over 25 Internet Explorer 6 bugs.