Featured

Create a Twitter GUI Client with Shoes

Ardian Haxha builds a Twitter client GUI using Ruby, Shoes, and the Twitter API.

Feature Tests with RSpec: Simulate User Behavior and Test Your Ruby App

Feature (or integration) tests are probably the most interesting type of all. In these tests, you are simulating users' behavior and...

4 Comments

Ruby

Rails: Dynamically Chain Scopes to Clean up SQL Queries

William Kennedy, 6 days ago

William Kennedy shows a technique to dynamically chain many ActiveRecord scopes together to clean up your controller code.

00:18:48

Ruby

Setting Up Automated Testing with RSpec

Ilya Bodrov-Krukowski, Nov 12

Automated testing is really widespread these days and of course Ruby has its own set of tools. One of these is RSpec, an insanely popular...

08:52

Ruby

Local Variable Scope in Ruby and How to Get Around It

Ilya Bodrov-Krukowski, Oct 13

Any serious Ruby developer has to understand what the scope is and how relates to variables. However, did you know that local variables...

Ruby

Tracking Common Rails Performance Issues with Skylight

Ilya Bodrov-Krukowski, Sep 19

Ilya Bodrov-Krukowski runs through several common Rails performance problems, showing how to find them via Skylight, and how to fix them.

00:11:50

Ruby

Discovering the Differences Between Blocks, Procs and Lambdas

Ilya Bodrov-Krukowski, Sep 23

Ruby developers love blocks and use them every day, however in many cases the blocks are executing immediately. What if you'd like to...

2 Comments

Ruby

Continuous Deployment of Rails with SemaphoreCI

Sarmad Sabih, Sep 12

Sarmad Sabih walks you through every step of continuous deployment a Rails app to EC2 using Bitbucket, Capistrano, and SemaphoreCI.

Ruby

Ardian Haxha, 2 days ago

Create a Twitter GUI Client with Shoes

Ardian Haxha builds a Twitter client GUI using Ruby, Shoes, and the Twitter API.

Ruby

00:17:01

Ruby

Ilya Bodrov-Krukowski, Feb 09

Feature Tests with RSpec: Simulate User Behavior and Test Your Ruby App

Feature (or integration) tests are probably the most interesting type of all. In these tests, you are simulating users' behavior and checking that an app is working as expected. In...

Ruby

4 Comments

Ruby

William Kennedy, 6 days ago

Rails: Dynamically Chain Scopes to Clean up SQL Queries

William Kennedy shows a technique to dynamically chain many ActiveRecord scopes together to clean up your controller code.

Ruby

00:18:48

Ruby

Ilya Bodrov-Krukowski, Nov 12

Setting Up Automated Testing with RSpec

Automated testing is really widespread these days and of course Ruby has its own set of tools. One of these is RSpec, an insanely popular tool for automated testing. The good thing...

Ruby

08:52

Ruby

Ilya Bodrov-Krukowski, Oct 13

Local Variable Scope in Ruby and How to Get Around It

Any serious Ruby developer has to understand what the scope is and how relates to variables. However, did you know that local variables can actually be smuggled between scopes easily...

Ruby

Ilya Bodrov-Krukowski, Sep 19

Tracking Common Rails Performance Issues with Skylight

Ilya Bodrov-Krukowski runs through several common Rails performance problems, showing how to find them via Skylight, and how to fix them.

Ruby

00:11:50

Ruby

Ilya Bodrov-Krukowski, Sep 23

Discovering the Differences Between Blocks, Procs and Lambdas

Ruby developers love blocks and use them every day, however in many cases the blocks are executing immediately. What if you'd like to execute the block later? In this video we are...

Ruby

2 Comments

Ruby

Sarmad Sabih, Sep 12

Continuous Deployment of Rails with SemaphoreCI

Sarmad Sabih walks you through every step of continuous deployment a Rails app to EC2 using Bitbucket, Capistrano, and SemaphoreCI.

Latest

Ruby

Ardian Haxha, 2 days ago

Create a Twitter GUI Client with Shoes

Ardian Haxha builds a Twitter client GUI using Ruby, Shoes, and the Twitter API.

Ruby

4 Comments

Ruby

William Kennedy, 6 days ago

Rails: Dynamically Chain Scopes to Clean up SQL Queries

William Kennedy shows a technique to dynamically chain many ActiveRecord scopes together to clean up your controller code.

Ruby

Ilya Bodrov-Krukowski, Sep 19

Tracking Common Rails Performance Issues with Skylight

Ilya Bodrov-Krukowski runs through several common Rails performance problems, showing how to find them via Skylight, and how to fix them.

Ruby

2 Comments

Ruby

Sarmad Sabih, Sep 12

Continuous Deployment of Rails with SemaphoreCI

Sarmad Sabih walks you through every step of continuous deployment a Rails app to EC2 using Bitbucket, Capistrano, and SemaphoreCI.

Ruby

6 Comments

Ruby

Glenn Goodrich, Sep 08

Quick Tip: The Many Ways to Create a Hash in Ruby

Glenn Goodrich shows that, although there are many ways to create a Hash in Ruby, they are all just a bit of child's play.

Ruby

Vinoth, Sep 05

Pry: A Simple Start

Vinoth makes a simple introduction to some of the best features of Pry, a replacement REPL for Ruby's IRB.

Ruby

2 Comments

Ruby

Ilya Bodrov-Krukowski, Sep 01

Better Nested Attributes in Rails with the Cocoon Gem

Ilya Bodrov-Krukowski shows you how to do nested forms and attributes in Rails with the Cocoon gem.

Ruby

13 Comments

Ruby

David Bush, Aug 25

Tools for a Modern Ruby Development Setup

David Bush shows you some of the development tools he uses to be more productive in Ruby.

Ruby

Ardian Haxha, Aug 22

Create a Slack Bot to Interact with Your Wiki

Ardian Haxha shows you how to accept our new bot-based overlords and write your own Slack bot using Ruby and Sinatra. Assimilate!

Ruby

Christopher Vundi, Aug 18

Tap User Interests with Curated Feeds in Rails

Christopher Vundi walks through setting up an interest feed model and application for your users in Rails.

Ruby

Jesse Herrick, Aug 15

Plugs Are to Elixir What Rack Is to Ruby

Jesse Herrick compares Plugs in Elixir to Rack in Ruby. Learn a bit of Elixir and its elegance with middleware and plugs.

Ruby

1 Comment

Ruby

William Kennedy, Aug 11

Building Roman Numerals in a Day with Ruby Metaprogramming

William Kennedy uses a simple example of making integers into Roman numerals to show off Ruby metaprogramming.

Ruby

5 Comments

Ruby

Vahob Rasti, Aug 08

Asynchronous Multiple File Upload with Rails and Dropzone.js

Vahob Rasti uses Dropzone.js to equip a Rails application with multiple file, asynchronous upload.

Ruby

3 Comments

Ruby

Ilya Bodrov-Krukowski, Aug 04

Practical Graphs on Rails: Chartkick in Practice

Ilya Bodrov-Krukowski runs through a very practical example of using Chartkick to create a graph with Rails.

Ruby

4 Comments

Ruby

David Bush, Aug 01

The Ins and Outs of Debugging Ruby with Byebug

David Bush shows you some basic and advanced techniques with Byebug, the definitive debugger for Ruby 2.0.

Ruby

Glenn Goodrich, Jul 28

Unbundling Bundler: A Thorough Look at Bundler's Utilities

Glenn Goodrich takes another deep dive into the world of Bundler, this time focusing on the utilities that ship with Bundler.

Ruby

2 Comments

Ruby

Glenn Goodrich, Jul 25

Gemfile Mining: A Dive into Bundler's Gemfile

Glenn Goodrich takes a deep dive into the Gemfile, the core of Bundler's excellent dependency management ecosystem.

Ruby

8 Comments

Ruby

Benjamin Tan Wei Hao, Jul 21

A Quick Dive into the Crystal Programming Language

Benjamin Tan Wei Hao takes a quick dive into Crystal, a new programming language that is statically typed and compiled but has Ruby syntax.

Ruby

Ardian Haxha, Jul 18

Automate Docker with the Remote API and Ruby

Ardian Haxha demonstrates how to use the Docker Remote API and Ruby to perform Docker tasks like image and container creation.

Ruby

1 Comment

Ruby

Kingsley Silas, Jul 14

A Look at Content Management Systems in Rails

Kingsley Silas compares several Rails-based Content Managment Systems giving use cases, pros, and cons for each.

Ruby

2 Comments

Ruby

William Kennedy, Jul 11

Quickly Process API Requests with Shoryuken and SQS

William Kennedy demonstrates using SQS and Shoryuken to process queued requests to a third-party API. Very useful

Ruby

2 Comments

Ruby

Glenn Goodrich, Jul 07

A Recipe for mRuby Raspberry Pi? Just Add h2o!

Glenn Goodrich explores the Raspberry Pi platform using mRuby and the h2o web server. Learn how to make a quick API or capture a camera image.

Ruby

1 Comment

Ruby

Dhaivat Pandya, Jul 05

Control the Physical World with Ruby and Artoo

Dhaivat Pandya takes you on a tour of Artoo, a Ruby-based platform aimed at making working with embedded systems and Ruby a breeze. Boop Beep Boop!

Ruby

Sarmad Sabih, Jun 27

Deliver the Mail with Amazon SES and Rails

Sarmad Sabih demonstrates configuring Amazon's Simple Email Service with Rails, allowing you a cheap email solution from your app.

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Ruby

Featured

Create a Twitter GUI Client with Shoes

Feature Tests with RSpec: Simulate User Behavior and Test Your Ruby App

Rails: Dynamically Chain Scopes to Clean up SQL Queries

Setting Up Automated Testing with RSpec

Local Variable Scope in Ruby and How to Get Around It

Tracking Common Rails Performance Issues with Skylight

Discovering the Differences Between Blocks, Procs and Lambdas

Continuous Deployment of Rails with SemaphoreCI

Create a Twitter GUI Client with Shoes

Feature Tests with RSpec: Simulate User Behavior and Test Your Ruby App

Rails: Dynamically Chain Scopes to Clean up SQL Queries

Setting Up Automated Testing with RSpec

Local Variable Scope in Ruby and How to Get Around It

Tracking Common Rails Performance Issues with Skylight

Discovering the Differences Between Blocks, Procs and Lambdas

Continuous Deployment of Rails with SemaphoreCI

Get the latest in Ruby, once a week, for free.

Latest

Create a Twitter GUI Client with Shoes

Rails: Dynamically Chain Scopes to Clean up SQL Queries

Tracking Common Rails Performance Issues with Skylight

Continuous Deployment of Rails with SemaphoreCI

Quick Tip: The Many Ways to Create a Hash in Ruby

Pry: A Simple Start

Better Nested Attributes in Rails with the Cocoon Gem

Tools for a Modern Ruby Development Setup

Latest Courses

Ruby 2.0

Understanding the CSS Cascade

Local Development Environments for Designers and Developers

PHP & MySQL Web Development for Beginners

Ruby 2.0

Understanding the CSS Cascade

Local Development Environments for Designers and Developers

PHP & MySQL Web Development for Beginners

Latest Books

Jump Start Git

Jump Start Rails

Jump Start Sinatra

Rails Deep Dive

Jump Start Git

Jump Start Rails

Jump Start Sinatra

Rails Deep Dive

Create a Slack Bot to Interact with Your Wiki

Tap User Interests with Curated Feeds in Rails

Plugs Are to Elixir What Rack Is to Ruby

Building Roman Numerals in a Day with Ruby Metaprogramming

Asynchronous Multiple File Upload with Rails and Dropzone.js

Practical Graphs on Rails: Chartkick in Practice

The Ins and Outs of Debugging Ruby with Byebug

Unbundling Bundler: A Thorough Look at Bundler's Utilities

Get the latest in web dev, once a week. Free.

Gemfile Mining: A Dive into Bundler's Gemfile

A Quick Dive into the Crystal Programming Language

Automate Docker with the Remote API and Ruby

A Look at Content Management Systems in Rails

Quickly Process API Requests with Shoryuken and SQS

A Recipe for mRuby Raspberry Pi? Just Add h2o!

Control the Physical World with Ruby and Artoo

Deliver the Mail with Amazon SES and Rails