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Form Objects
Episode #416Jun 03, 2013335 comments

Form Objects

Models have a tendency to become a complex mess as an application grows. In this episode you will learn a couple of techniques to extract form-behavior out into its own class. (18 minutes)
Action Controller Walkthrough
Episode #395Dec 02, 201277 comments

Action Controller Walkthrough

Do you ever wonder what goes on behind the scenes when a Rails controller handles a request? What do the "render" and "redirect_to" methods do exactly? This and more covered as we walk through the code of ActionController::Base. (11 minutes)
Importing CSV and Excel
Episode #396Dec 08, 2012176 comments

Importing CSV and Excel

Allow users to import records into the database by uploading a CSV or Excel document. Here I show how to use Roo to parse these files and present a solution for validations. (10 minutes)
Edit Multiple (revised)
Episode #165Feb 25, 2013105 comments

Edit Multiple (revised)

Editing one record at a time can be tedious work. Here you will learn three different ways to edit multiple records at once using checkboxes. (15 minutes)
Facebook Authentication
Episode #360Jun 25, 2012196 comments

Facebook Authentication

This will show how to create a new facebook application and configure it. Then add some authentication with the omniauth-facebook gem and top it off with a client-side authentication using the JavaScript SDK. (12 minutes)
Uploading to Amazon S3
Episode #383Sep 26, 2012182 comments

Uploading to Amazon S3

Here I show how to upload files directly to Amazon S3 using CarrierWave Direct and Fog. I then walk through another project which uses jQuery File Upload to handle multiple files and does not use CarrierWave. (14 minutes)
jQuery & Ajax (revised)
Episode #136Sep 28, 2012146 comments

jQuery & Ajax (revised)

Here I go back to the basics and show how to turn a traditional Rails app into one that interacts through Ajax by adding "remote" options, JavaScript templates and a dabble of jQuery. (14 minutes)
Devise and OmniAuth (revised)
Episode #235Jul 13, 2012134 comments

Devise and OmniAuth (revised)

In this episode I build upon a standard Devise setup and show how to add 3rd party authentication using OmniAuth. This includes support for user validations and is compatible with normal password authentication. (10 minutes)
Service Objects
Episode #398Dec 18, 2012114 comments

Service Objects

Models can quickly become a grab-bag of unrelated methods if behavior is constantly being pushed from the controller. Here I show how to refactor this using Concerns and Service Objects. (12 minutes)
Site-Wide Announcements (revised)
Episode #103Nov 12, 201295 comments

Site-Wide Announcements (revised)

Here I show how to add an announcement message at the top of every page in the application and allow the user to permanently hide it. This is all done test-first and even includes testing the JavaScript behavior. (11 minutes)