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Client Side Validations
Showing validation errors inline as the user is filling out the form can lead to a better use experience. Learn how to do this using the Client Side Validations gem.
(8 minutes)
Simple Search Form
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)
SimpleForm
Simple Form is a convenient way to generate forms with many options to customize the generated markup.
(7 minutes)
Polymorphic Association (revised)
A polymorphic association allows a model to belong_to different types of other models. Here I show how to make a single comment model belong to articles, photos, and events.
(11 minutes)
Authentication from Scratch (revised)
Simple password authentication is easy to do with has_secure_password. Here you will learn how to make a complete Sign Up, Log In, and Log Out process as well as restrict access to certain actions.
(13 minutes)
MetaWhere & MetaSearch
MetaWhere provides a way to do complex find conditions without SQL in Active Record. MetaSearch makes it easy to create search forms with many find options.
(8 minutes)
Sidekiq
Sidekiq allows you to move jobs into the background for asynchronous processing. It uses threads instead of forks so it is much more efficient with memory compared to Resque.
(10 minutes)
Testing JavaScript with Jasmine (revised)
The jasminerice gem makes it easy to test your JavaScript with Jasmine in a Rails application. Here I also cover jasmine-jquery and guard-jasmine.
(11 minutes)
Remember Me & Reset Password
It is easy to create authentication from scratch, but how do we extend it with more features? Here I add a "remember me" check box and a "forgotten password" link.
(12 minutes)
Destroy without JavaScript (revised)
A destroy link in Rails does not work without JavaScript. In this episode I show two techniques for gracefully degrading destroy links: button_to and a delete action.
(8 minutes)