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The Most Intelligent Ruby IDE
JetBrains RubyMine — Ruby and Rails IDE with the full stack of essential developer tools, all tightly integrated together and creating a convenient and smart environment for Ruby programming and Web development with Ruby on Rails.
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Help and documentation for the Ruby programming language.
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Command line cheat sheets
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Provides a set of methods for making links and getting URLs that depend on the routing subsystem (see ActionController::Routing). This allows you to use the same format for links in views and controllers
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This guide covers the association features of Active Record. By referring to this guide, you will be able to:
* Declare associations between Active Record models
* Understand the various types of Active Record associations
* Use the methods added to your models by creating associations
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Associations are a set of macro-like class methods for tying objects together through foreign keys. They express relationships like "Project has one Project Manager" or "Project belongs to a Portfolio". Each macro adds a number of methods to the class which are specialized according to the collection or association symbol and the options hash. It works much the same way as Ruby‘s own attr* methods.
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