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Recent Episodes

  1. 169

    Dynamic Page Caching Other translations: Cn It

    Use a combination of page caching and JavaScript to create a fast cached page that can still be updated dynamically.

    Tags: caching performance ajax administration

  2. 168

    Feed Parsing Other translations: Cn

    In this episode we use two different techniques to parse an RSS feed with Feedzirra.

    Tags: plugins active-record

  3. 167

    More on Virtual Attributes Other translations: Cn

    Make use of virtual attributes and callbacks to implement tagging in a blogging application.

    Tags: models forms

  4. 166

    Metric Fu

    Metric Fu is a compliation of tools that help you find the places in your code that need improvement. See what they have to say about the Railscasts codebase.

    Tags: tools testing

  5. 165

    Edit Multiple Other translations: Cn

    Select multiple records with checkboxes and edit them all on one form. Find out how to use virtual attributes to update values relatively.

    Tags: forms views routing

  6. 164

    Cron in Ruby

    Cron does a great job of handling recurring tasks, but the syntax is a little tricky. This episode shows you how to use Whenever to write cron jobs in Ruby instead.

    Tags: tools plugins

  7. 163

    Self Referential Association Other translations: Cn

    In this episode we create a small social networking application and use a self-referential association to link users with their friends.

    Tags: active-record controllers

  8. 162

    Tree Based Navigation

    The acts_as_tree plugin provides a good solution for handling a tree-based navigation. In this episode we build a navigation system with menus, subpages and a breadcrumb control.

    Tags: active-record plugins

  9. 161

    Three Profiling Tools

    Find out what your Rails application is doing under the hood with New Relic RPM, FiveRuns TuneUp and Rack::Bug.

    Tags: tools performance

  10. 160

    Authlogic Other translations: Es

    Authentication can become very complex. This episode shows how to use Authlogic to handle this complexity while keeping control over what is presented to the user.

    Tags: authentication plugins