Database locks with Spring, Hibernate and Postgres

Tracking object references in JavaScript

Tomcat, Atmosphere and Spring Security

Global state in AngularJS controllers

Java Cryptography Architecture and common encryption usages

Convert document to HTML with Apache Tika

Play Framework on Heroku and custom dependencies

SOA vs. Domain design and OpenSessionInThreadExecution pattern

Map Accepted-Language language codes to country codes in PHP

Lucene permissions and Hibernate Search