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Fast Tests
Episode #413Apr 10, 201335 comments

Fast Tests

A slow test suite can put a damper on test-driven development. In this episode I show a variety of ways to optimize specs including: selective testing, preloading Rails, and testing outside of Rails. (17 minutes)
Fast Rails Commands
Episode #412Apr 04, 201336 comments

Fast Rails Commands

Rails commands, such as generators, migrations, and tests, have a tendency to be slow because they need to load the Rails app each time. Here I show three tools to make this faster: Zeus, Spring, and Commands. (8 minutes)
Custom App Generators (revised)
Episode #148Feb 03, 201313 comments

Custom App Generators (revised)

Learn how to customize the Rails app generator to fit your preference. This episode shows how to do this using .railsrc file, app templates, app builders, RailsWizard, and AppScrolls. (10 minutes)
Better Errors & RailsPanel
Episode #402Jan 25, 201361 comments

Better Errors & RailsPanel

Here we take a look at two tools to aid us in development: Better Errors which makes it easier than ever to debug exceptions, and RailsPanel, a Chrome extension to see Rails requests. (8 minutes)
Testing JavaScript with PhantomJS
Episode #391Nov 07, 201220 comments

Testing JavaScript with PhantomJS

PhantomJS allows us to test JavaScript without going through a browser window. Here I show how to do this using Capybara and Poltergeist. I also give some tips on handling database transactions and skipping javascript tests. (10 minutes)
YAML Configuration (revised)
Episode #85Oct 14, 201238 comments

YAML Configuration (revised)

Keeping passwords and secret tokens in source control is a security risk. Here I show how to move these settings out into a YAML configuration file which can be loaded in as a hash or environment variables. (8 minutes)
Exploring RubyGems
Episode #384Oct 07, 20122 comments

Exploring RubyGems

RubyGems can make it easy to add a feature to a Rails application, but it can also cause headaches down the road. Here I give some tips on researching gems to decide which one to choose, or when to do it from scratch. (7 minutes)
FnordMetric
Episode #378Sep 04, 201219 comments

FnordMetric

FnordMetric allows you to chart events in real time. This is great for keeping track of user activity in your Rails app as demonstrated in this episode. (10 minutes)
Trinidad
Episode #377Aug 30, 201223 comments

Trinidad

Trinidad is designed to serve JRuby web applications and gives you the power of Java while still keeping the feel of traditional Rails deployment. Here I show how to setup a Capistrano recipe, configure it, and more. (15 minutes)
JRuby Basics
Episode #376Aug 30, 201224 comments

JRuby Basics

JRuby is a polished and stable Ruby implementation. Here I show the basics of setting it up and executing Java from within Ruby. I also see how it compares with MRI at running threads. (10 minutes)