With HTTP response headers you can the cache in the user's browser and proxies. Etags, Last-Modified, Cache-Control and Rack::Cache are all covered here (15 minutes)

Forms often follow a similar pattern with a lot of repetition. Learn how to clean up form views and remove duplication with the help of form builders. (12 minutes)

A many-to-many association can be edited through checkboxes in a form. Here I show how to do this with a has_many through association compete with clickable labels. (6 minutes)

Edit an attribute in-place without leaving a page using the Best In Place gem. Learn how to add validations and support for various field types. (8 minutes)

Do you need to dynamically change one select menu based on the value of another? Here I show how to filter states/provinces by a selected country using grouped options and a dab of CoffeeScript. (7 minutes)

It is often best to use a GET request when submitting a search form, however if it is an advanced search form with a lot of fields then this may not be ideal. Here I show how to create a search resource to handle this. (6 minutes)

Sometimes logic needs to be shared between the server-side (Ruby) and the client-side (JavaScript). Here I show how to run JavaScript directly in Ruby through ExecJS and therubyracer. (14 minutes)

Mercury allows you to edit a section of HTML directly in the web browser through a WISYIWYG editor. Here I show how to integrate Mercury into a Rails app and save the changes back to the database. (11 minutes)

Mustache is a simple, logic-less templating language which allows you to use the same template for both Ruby and JavaScript. See how to set it up with a custom template handler in this episode. (17 minutes)

Here I show how to use jQuery UI to make a sortable list and a "sort" action to handle the updating. Top it off with acts_as_list to make it feature complete. (6 minutes)