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...
JSDB.io : JSDB is a collection of the best javascript libraries
Tech Interview Handbook : Algorithms study materials, behavioral content and tips for rocking your coding interview. Carefully curated content to help you ace your next technic...
PhpWiki : PhpWiki is a clone of the original WikiWikiWeb
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).