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Geocoder
If you need to work with geographic data, Geocoder is an excellent gem for converting addresses and coordinates, finding nearby locations, determining distances, and more!
(8 minutes)
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)
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
Authentication is incredibly simple to add with just OmniAuth if you don't need username/password or multiple authentications per user.
(9 minutes)
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
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
Janrain Engage (aka RPX) makes it easy to support many authentication solutions through their one service.
(6 minutes)
Customizing Devise
Here we dive deeper into Devise by customizing how the views, routing, validations, and authentication works.
(7 minutes)
A/B Testing with A/Bingo
A/B Testing (or Split Testing) is a way to experiment with variations in an application to see the most effective option.
(11 minutes)
MongoDB and MongoMapper
MongoDB is a document based database engine. Learn how to access it through MongoMapper in this episode.
(13 minutes)