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MiniTest with Rails
Episode #327Feb 21, 201277 comments

MiniTest with Rails

MiniTest is a fast and lightweight testing library. Here you will learn how to use it in a Rails app for model, helper, and integration testing. The Turn gem is also demonstrated for prettier test output. (15 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)
Active Model Serializers
Episode #409Mar 09, 2013139 comments

Active Model Serializers

The ActiveModel::Serializers gem can help you build JSON APIs through serializer objects. This provides a dedicated place to fully customize the JSON output. (10 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)
Jbuilder
Episode #320Jan 30, 201278 comments

Jbuilder

Jbuilder provides a DSL for generating JSON. It includes a template engine which allows you to create complex responses with helpers and conditions. (8 minutes)
Simple OmniAuth (revised)
Episode #241Jun 02, 201291 comments

Simple OmniAuth (revised)

OmniAuth makes it easy to do user authentication through a third party provider such as Twitter or Facebook. Learn a simple approach in this episode. (11 minutes)
Strong Parameters
Episode #371Aug 03, 201275 comments

Strong Parameters

The strong_parameters gem is an improvement over attr_accessible to securely handle mass assignment even when you have complex authorization logic. The functionality will likely be added to Rails 4 so it is a good idea to learn how it works. (12 minutes)
The Rails API Gem
Episode #348May 09, 201274 comments

The Rails API Gem

It is often asked: Is Rails a good fit if I only need to serve an API? In this episode I show how to use the Rails API gem to create a slimmer Rails application designed to respond with JSON. (9 minutes)
Rollout and Degrade
Episode #315Jan 09, 201247 comments

Rollout and Degrade

Learn how to use the Rollout gem to deploy a feature to a select group of users and the Degrade gem to automatically disable it upon failure. Also included is a way of doing this from scratch. (13 minutes)
Markaby in Helper
Episode #69Sep 03, 200744 comments

Markaby in Helper

Do you ever need to generate HTML code in a helper method? Placing it directly in Ruby strings is not very pretty. Learn a great way to generate HTML through Markaby in this episode. (6 minutes)