Creating Printable Documents With Ruby
PDF:Writer tutorial
Rails Envy: Ruby on Rails Caching Tutorial
Developing a Rails model using BDD and RSpec, Part 1 — Luke Redpath
Rails Envy: Ruby on Rails Caching Tutorial - Part 2
UnicodePrimer - multibyte_for_rails - Trac
Ruby and Graphics
guide to graphics coding in ruby with the gtk bindings.
Harnessing Capistrano
Rubinius Virtual Machine Installation Guide HOWTO for Ubuntu
Red Artisan: Getting started with Rubinius
Red Artisan: Getting Started with Rubinius II: Coding!
We Heart Code » Reading An Excel File With Ruby
Economical Use of Amazon S3 with Ruby on Rails
Understanding Statemachines, Part 1: States and Transitions
Ruby on Windows: Getting Started with the wxRuby GUI Toolkit
Tutorial: Publishing RubyGems with Hoe | Ruby on Rails for Newbies
O'Reilly Network -- Shoes Meets Merb: Driving a GUI App through Web Services in Ruby
using merb to host a YAML webservice, then accessing it with a GUI app
Ruby Fleebie » IM Integration With XMPP4r
Slapp: A simple chat wall Merb tutorial.
Freelancing Gods: Sphinx: A Primer
pat's intro to sphinx
An EventMachine Tutorial | 20bits
Ryan's Scraps: Named Scope: It's Not Just for Conditions, Ya Know?
Headius: Zero to Production in 15 Minutes
Charles Nutter on deploying rails to a glassfish application server
Jump Start Credit Card Processing: How it works, what you need, with ...
Ruby/GStreamer Tutorial - Ruby-GNOME2 Project Website
an out of date, but still somewhat useful tutorial for ruby/gstreamer