SQL Injection Cheat Sheet : Samples are provided to allow reader to get basic idea of a potential SQL Injection attack and almost every section includes a brief information about...
Clean Code PHP : Software engineering principles, from Robert C. Martin's book Clean Code, adapted for PHP. This is not a style guide. It's a guide to producing readab...
JSDB.io : JSDB is a collection of the best javascript libraries
textfiles.com : What this site offers is a glimpse into the history of writers and artists bound by the 128 characters that the American Standard Code for Information...
This is a collection of known design patterns and some sample code how to implement them in PHP. Every pattern has a small list of examples (most of them from Zend Framework, Symfony2 or Doctrine2 as I'm most familiar with this software).