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CarrierWave File Uploads
Episode #253Feb 14, 2011117 comments

CarrierWave File Uploads

CarrierWave makes it easy and clean to add file uploads to your application. It supports a variety of ORMs, frameworks and image processors. (9 minutes)
Trees with Ancestry
Episode #262Apr 18, 201184 comments

Trees with Ancestry

The Ancestry gem works like a tree but also allows us to fetch deeply nested messages in a single query. It provides a method to arrange them after fetching. (9 minutes)
Authentication from Scratch
Episode #250Jan 24, 2011129 comments

Authentication from Scratch

Password authentication is not too complicated to make from scratch, it will also help to get a better understanding of how it works. (15 minutes)
Seed Data
Episode #179Sep 14, 200964 comments

Seed Data

Rails 2.3.4 includes a conventional way to add seed data to your application - no more including it in the migration files. (7 minutes)
OmniAuth Part 1
Episode #235Oct 11, 2010104 comments

OmniAuth Part 1

OmniAuth is an easy way to add many different authentication services to your app. In this episode we start integrating it with Devise. (10 minutes)
Simple OmniAuth
Episode #241Nov 22, 201090 comments

Simple OmniAuth

Authentication is incredibly simple to add with just OmniAuth if you don't need username/password or multiple authentications per user. (9 minutes)
Nested Model Form Part 1
Episode #196Jan 11, 2010184 comments

Nested Model Form Part 1

Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields. (11 minutes)
Undo with Paper Trail
Episode #255Feb 28, 201146 comments

Undo with Paper Trail

Undo and redo behavior is easy to add with a versioning gem such as Paper Trail. Learn how to add an undo link to any model's flash message. (13 minutes)
Introducing Devise
Episode #209Apr 12, 2010116 comments

Introducing Devise

Devise is a full-featured authentication solution which handles all of the controller logic and form views for you. Learn how to set it up in this episode. (10 minutes)
Engage with Devise
Episode #233Sep 27, 201041 comments

Engage with Devise

Janrain Engage (aka RPX) makes it easy to support many authentication solutions through their one service. (6 minutes)