Tutorials

Ruby on Rails Caching: Understand the different types of caching
Caching is essential for enhancing the performance and scalability of web applications — and c...

What are modules, concerns and mixins in Ruby on Rails?
Ruby on Rails (RoR) is a popular web application framework that leverages the Ruby programmin...

Reverse interview
Reverse interview This is a list of questions which may be interesting to a tech job applicant. ...

Implementing the Singleton Design Pattern in JavaScript
What is the Singleton design pattern? The Singleton design pattern is a creational pattern tha...

Apache fails to start, Address already in use (but not really)
I got this error on a fresh install when starting apache2 Ubuntu 12.10. It's a bug in the apache...