Download SAP R/3 Ruby Cheat Sheet
Ruby is a reflective, object-oriented programming language. It combines syntax inspired by Perl with Smalltalk-like object-oriented features, and also shares some features with Python, Lisp, Dylan and CLU. Ruby is a single-pass interpreted language. Its main implementation is free software distributed under an open-source license.
The language was created by Yukihiro “Matz” Matsumoto, who started working on Ruby on February 24, 1993, and released it to the public in 1995. “Ruby” was named after a colleague’s birthstone. As of June 2006, the latest stable version is 1.8.4. Ruby 1.9 (with some major changes) is also in development.
Ruby on Rails is a full-stack framework for developing database-backed web applications according to the Model-View-Control pattern. From the Ajax in the view, to the request and response in the controller, to the domain model wrapping the database, Rails gives you a pure-Ruby development environment. To go live, all you need to add is a database and a web server. Ruby on Rails was created by David Heinemeier Hansson. “Rails”, “Ruby on Rails”, and the Rails logo are trademarks of David Heinemeier Hansson. All rights reserved.
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