Wrongly used randomness can be the source of hard-to-detect bugs and security holes. This is relevant every time you use randomness, for example, when implementing an existing protocol/interface that requires random values or generating tokens for your next raffle. This article describes when to use which of Ruby’s randomness methods. […]

After releasing version 0.9 of my cli password manager, I received friendly feedback and suggestions, which encouraged me to further improve it. Here are some of my experiences implementing pws 1.0: […]

This is my submission for the CodeRack contest:

A middleware that removes < and > from all incoming requests. […]