Let's say you provide a select menu for setting which category a given product belongs to, but you also want the option of creating a new category by typing the name in a text field. See a great way to do that in this episode. (5 minutes)

This episode starts off with a big, messy template. Watch as this code shrinks and becomes more readable while the interface stays the same. (9 minutes)

See how to select multiple items using checkboxes and perform an action on the selected items in this episode. (10 minutes)

If you try to create a helper method which accepts a block, you will run into a few gotchas. Learn the secrets of blocks in views in this episode. (9 minutes)

When a validation error occurs, Rails helpfully wraps the field in a div tag so you can style it. But sometimes you don't want this behavior. In this episode you will see how to customize it. (3 minutes)

If you have a form with multiple buttons, you can detect which button was clicked by checking the passed parameters. Learn how in this episode. (4 minutes)

A search form is quite different than other forms, this is because it does not deal with model's attributes. See a good way to add a simple search form in this episode. (6 minutes)

When you add a custom route, make it a named route so you have url helper methods to easily link to that new route. See episode for details. (6 minutes)

Learn how to use the trusty strftime method to format a time, and see how Rails allows you to save this format for later use. (5 minutes)

If you are like me, you avoid creating page titles because it is kind of a pain. But in this episode I will show you a clean way to add titles to your pages. (5 minutes)