In this presentation Ryan Dahl, the man behind Node.js will introduce you to this event-driven I/O framework with a few examples showing Node.js in action.
How to develop a website using git for version control and vagrant for the development environment.
See it in action at http://heidi.interslice.in/
How to hide chat messages when people are joining or leaving the channel.
How to unlock your ghost account after too many failed login attempts, modifying sqlite tables.
The database section of the guide is a handy how to for postgres peer authentication
Optimise SVGs for the web and include them in your rails application
Why coding style guides are important in a collaborative project and how to get your colleagues involved in them
rails.vim: Ruby on Rails power tools
Quick tutorial explaining how colorize Ruby minitest output using minitest-reporters
This topic contains a useful script to set monitor backlight with /sys/class/brightness files. (Post #10))
Series of podcasts for DevOps
HTTP Vary header importance in high-preformance reverse proxy
By default it assumes that MySQL is being used, but it's quite easy to use with Postgres instead.
Simple guide to install RoR including a useful rvm tutorial