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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)
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)
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, 201218 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)
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)
Image Manipulation
Episode #374Aug 16, 201228 comments

Image Manipulation

Learn how to do extensive image manipulation with the ImageMagick commands. Also learn how RMagick can be used in combination with CarrierWave to process uploaded images. (11 minutes)
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)
Brakeman
Episode #358Jun 15, 201213 comments

Brakeman

The Brakeman gem will scan the Ruby code of a Rails application and alert you to common security vulnerabilities. (8 minutes)
Rubber and Amazon EC2
Episode #347May 03, 2012144 comments

Rubber and Amazon EC2

Deploying to Amazon EC2 allows you to scale an application quickly. Learn how to use Rubber to deploy to the cloud with just a few commands and monitor the cluster with various web tools. (17 minutes)
Migrating to PostgreSQL
Episode #342Apr 17, 201291 comments

Migrating to PostgreSQL

Postgres is a feature-packed relational database that every Rails developer should consider using. Here you will learn how to install it, add it to a new application, and transition from an existing SQLite app using the "taps" gem. (8 minutes)