Ruby Howto

Run SQL updates in Rails migration [ruby db sql migration]
Http status Codes in Rails [ruby rails http status codes symbols rest api]
Add Character Encoding to Heroku buildpack [ruby, buildpack, heroku, development, character encoding]
Add Image Processing to Heroku buildpack [ruby, buildpack, heroku, development, image processing]
Cancel Recurly Subscription Programmatically [recurly, ruby, subscription, development]
Convert a string to class [ruby, class, how to, string, constantize]
Custom Ruby buildpack [ruby, buildpack, heroku, development]
Custom tag with attributes in Jekyll [jekyll, liquid, ruby, tag, development]
Eager load children in ActiveRecord [ruby, buildpack, active record, development, database]
Fix Issue with Psych Yaml gem on RVM and OSX [ruby, loaderror, development, rvm]
Fix the handlebars.vm error [ruby, handlebars, gemfile, include error, development]
Flatten a Hash into a String [ruby, hash, collection]
List of how tos for Ruby [ruby, how to, development]
Recover a Load Error [ruby, gem, loaderror, development]
Rspec tips and tricks [ruby rspec test single bisect bundle parameters development]
Size of active record collection [ruby, active record, development]
Unique list with records [ruby, activerecord]
Url encode strings [ruby, character encoding]
Use modules for testing [ruby, testing, module, mock]