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...
XSS Filter Evasion Cheat Sheet - OWASP : This article is focused on providing application security testing professionals with a guide to assist in Cross Site Scripting testing.
ServiceWorker Cookbook : The Service Worker Cookbook is a collection of working, practical examples of using service workers in modern web apps.
apiato : apiato is a starter project, designed to help you build scalable API’s faster, by providing tools and functionalities that facilitates the development...
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).