<dd class="warning">Rails Guides are a result of the ongoing <a href="http://hackfest.rubyonrails.org">Guides hackfest</a>, and a work in progress.</dd>
<dd class="work-in-progress">Guides marked with this icon are currently being worked on. While they might still be useful to you, they may contain incomplete information and even errors. You can help by reviewing them and posting your comments and corrections to the author.</dd>
<p>This guide covers how you can use Active Record validations and callbacks.</p>
<% end %>
<%= guide("Active Record Associations", 'association_basics.html') do %>
<p>This guide covers all the associations provided by Active Record.</p>
<% end %>
<%= guide("Active Record Query Interface", 'active_record_querying.html') do %>
<p>This guide covers the database query interface provided by Active Record.</p>
<% end %>
</dl>
<h3>Views</h3>
<dl>
<%= guide("Layouts and Rendering in Rails", 'layouts_and_rendering.html') do %>
<p>This guide covers the basic layout features of Action Controller and Action View, including rendering and redirecting, using content_for blocks, and working with partials.</p>
<%= guide("Action Controller Overview", 'action_controller_overview.html') do %>
<p>This guide covers how controllers work and how they fit into the request cycle in your application. It includes sessions, filters, and cookies, data streaming, and dealing with exceptions raised by a request, among other topics.</p>
<% end %>
<%= guide("Rails Routing from the Outside In", 'routing.html') do %>
<p>This guide covers the user-facing features of Rails routing. If you want to understand how to use routing in your own Rails applications, start here.</p>
<%= guide("Rails Internationalization API", 'i18n.html') do %>
<p>This guide covers how to add internationalization to your applications. Your application will be able to translate content to different languages, change pluralization rules, use correct date formats for each country and so on.</p>
<p>This is a rather comprehensive guide to doing both unit and functional tests in Rails. It covers everything from "What is a test?" to the testing APIs. Enjoy.</p>
<% end %>
<%= guide("Securing Rails Applications", 'security.html') do %>
<p>This guide describes common security problems in web applications and how to avoid them with Rails.</p>
<% end %>
<%= guide("Debugging Rails Applications", 'debugging_rails_applications.html') do %>
<p>This guide describes how to debug Rails applications. It covers the different ways of achieving this and how to understand what is happening "behind the scenes" of your code.</p>
<% end %>
<%= guide("Performance Testing Rails Applications", 'performance_testing.html') do %>
<p>This guide covers the various ways of performance testing a Ruby on Rails application.</p>
<% end %>
<%= guide("Configuring Rails Applications", 'configuring.html') do %>
<p>This guide covers the basic configuration settings for a Rails application.</p>
<p>Rails is not "somebody else's framework." This guide covers a variety of ways that you can get involved in the ongoing development of Rails.</p>
<% end %>
<%= guide('API Documentation Guidelines', 'api_documentation_guidelines.html') do %>
<p>This guide documents the Ruby on Rails API documentation guidelines.</p>