http://ping.fm/wExJg The Lowdown on Routes in Rails 3 <- great read

http://ping.fm/Bv6mH Real applications live in the wild

http://ping.fm/zGqaB 50 of the Best Websites Developed Using Ruby on Rails

http://ping.fm/bvTWX What's the deal with Rails' polymorphic associations?

http://ping.fm/bYrI7 Single Table Inheritance in Rails <-- nice writeup of sti

http://ping.fm/Js1e2 Enhance User Profiles with Google’s Social Graph API

http://ping.fm/VjDvj Optimizing asset bundling and serving with Rails

http://ping.fm/rX6gS Cache key for collections in ActiveRecord

http://ping.fm/2lvMg HTML to PDF Conversion Plugin For Rails

http://ping.fm/PBCz3 Radius — Powerful Tag-Based Templates

http://ping.fm/MkUeW Bullet helps you to increase your application’s performance by reducing the number of queries it makes

http://ping.fm/ME10n Devise is a flexible authentication solution for Rails based on Warden

http://ping.fm/pCCNX Geokit plugin for Rails/ActiveRecord. Provides location-based goodness for your Rails  

HTTP Basic Auth for Mysql password and old_password in Rails

I recently had to develop a small application for a client. The goal was to add a feature to grown Java web application.

As the software was maintained for several years there are users with old an new MySql passwords in the system.

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http://ping.fm/mtEz8 A Rails form builder plugin with semantically rich and accessible markup

Gemcutter: next generation of RubyGem hosts http://ping.fm/JSAN5