#contents *Overall Feature [#pd98540b] >TBD Ruby on Rails, or simply Rails, is an open source web application framework written in Ruby. Rails is a full-stack framework that emphasizes the use of well-known software engineering patterns and paradigms, including convention over configuration (CoC), don't repeat yourself (DRY), the active record pattern, and model–view–controller (MVC). < RIGHT: refered from [[Wikipedia - Ruby on Rails:http://en.wikipedia.org/wiki/Ruby_on_Rails]] :File Composition| . |-- app | |-- assets | |-- controllers | |-- helpers | |-- mailers | |-- models | `-- views |-- bin |-- config |-- config.ru |-- db |-- Gemfile |-- Gemfile.lock |-- lib |-- log |-- public |-- Rakefile |-- README.rdoc |-- test |-- tmp `-- vendor *Specification [#f727499e] |LEFT:100|LEFT:200|c |CENTER:ITEM|CENTER:DESCRIPTION|h |Main Developer|Rails Core Team| |License|MIT| |OS|Cross-platform| |Written In|Ruby| |Official Site|http://rubyonrails.org/| *HowToUse [#i9804190] #ls2(HowToUse/RubyOnRails/) *Contributer [#fee32d92] *Author [#fee32d92] S.Yatsuzuka