DevOps for Opensource Geospatial Applications
Hardware Hacking con Arduino y RAD
Hardware Hacking Rad
Rubygems - behind the gems.
Introduction to POP animation engine
Google App Engine for Java (手嶋屋勉強会)
Documenting with JSDuck
Migrating Legacy Data (Ruby Midwest)
Merb presentation at ORUG
Merb Slices
Lean & Mean Tokyo Cabinet Recipes (with Lua) - FutureRuby '09
RubyMotion
