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MiniProfiler
Episode #368Jul 24, 201265 comments

MiniProfiler

MiniProfiler allows you to see the speed of a request conveniently on the page. It also shows the SQL queries performed and allows you to profile a specific block of code. (9 minutes)
Sidekiq
Episode #366Jul 18, 201238 comments

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)
Devise and OmniAuth (revised)
Episode #235Jul 13, 201296 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)
Active Record Reputation System
Episode #364Jul 09, 201270 comments

Active Record Reputation System

If you need to calculate an average user's rating or sum up a number of votes, consider using the activerecord-reputation-system gem. Here I will cover the basics and also briefly present a from-scratch solution. (10 minutes)
Devise (revised)
Episode #209Jul 06, 201243 comments

Devise (revised)

Devise is one of the most popular authentication plugins for Rails. Here I show how to set it up with a User model and configure the modules, views, routes, and more. (8 minutes)
Facebook Open Graph
Episode #363Jul 02, 201217 comments

Facebook Open Graph

This episode builds on last week's episodes and shows how to integrate Facebook further through the Open Graph protocol. You will also learn how to tunnel your local server and move Facebook communication into a background process. (11 minutes)
Testing JavaScript with Jasmine (revised)
Episode #261Jun 28, 201220 comments

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)
Facebook Graph API
Episode #361Jun 25, 201219 comments

Facebook Graph API

Learn how to use the Facebook Graph API with the Koala gem to fetch data from Facebook and post content through a user. Here I delve into permissions, error handling, and more. (14 minutes)
Facebook Authentication
Episode #360Jun 25, 2012121 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)
Twitter Integration
Episode #359Jun 15, 201223 comments

Twitter Integration

Here I show how to integrate Twitter into a Rails app. This includes fetching data, caching it, and even how to authenticate as a user signing in to your application through Twitter. (14 minutes)