java

• JVM Architecture
• ImPRoving Lock Performance in Java
• 10 Best Java Tools That Every Java Programmers Should Know

Web

• Performance Optimization in asp.net Web Sites
• Simple JavaScript OOP for C++, Java and C# Developers
• Improve Node.js Performance by Turning It into a Clusterfork

.NET

• Write C# on a Mac like a Champ!

Other

• Top 10 web development trends and predictions for 2015
• Building Massively-Scalable Distributed Systems using Go and Mesos
• The Netflix Tech Blog: Netflix's Viewing Data: How We Know Where You Are in House of Cards