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Learn the Ruby programming language with this collection of Ruby tutorials. Complete practical projects and learn to use popular frameworks like Ruby on Rails.

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Ruby on Rails

Using New Relic to Monitor Your Android App

Tutorial • Intermediate

In the last two years, New Relic has focused hard on building out a solution for monitoring the performance of mobile apps. In this tutorial, we will look at...

Alan Skorkin • 26 Mar 2014
Ruby on Rails

Testing Your Ruby Code With Guard, RSpec & Pry: Part 2

Tutorial • Intermediate

Continue learning test-driven development in Ruby with Guard, RSpec and Pry.

Mark McDonnell • 19 Mar 2014
Ruby on Rails

Testing Your Ruby Code With Guard, RSpec & Pry

Tutorial • Beginner

Learn the basics of test-driven development in Ruby along with many common web development tools such as Guard, RSpec, and Pry, among others.

Mark McDonnell • 11 Mar 2014
Ruby on Rails

How to Use New Relic Custom Dashboards & Why You'd Want To

Tutorial • Intermediate

Today we're going to look at New Relic custom dashboards. Specifically, I will show you three ways that I tend to use custom dashboards:

Alan Skorkin • 27 Jan 2014
Ruby on Rails

Writing Robust Web Applications: The Lost Art of Exception Handling

Tutorial • Beginner

As developers, we want the applications we build to be resilient when it comes to failure, but how do you achieve this goal? If you believe the hype,...

Alan Skorkin • 6 Jan 2014
Ruby on Rails

Using New Relic Custom Metrics to Monitor All the Things

Tutorial • Beginner

When you first get introduced to New Relic, it's easy to be overwhelmed by all the features. But like with most tools, as you slowly climb the learning curve...

Alan Skorkin • 30 Dec 2013
Ruby on Rails

New Relic & JMeter - Perfect Performance Testing

Tutorial • Intermediate

Following on from the great introductory articles featured recently on Nettuts+, this article looks to show how you can take New Relic to the next level. As...

David Sale • 30 Sep 2013
Ruby on Rails

5 Reasons Why New Relic Is a Developer's Best Friend

Tutorial • Beginner

Once you start digging around New Relic you begin to realise just how many interesting features the service has to help monitor the performance and health of...

Alan Skorkin • 27 Sep 2013
Ruby on Rails

Getting Started With New Relic in 30 Minutes

Tutorial • Beginner

I remember working on a Rails app a few years ago and someone floated the idea of using this new service that had appeared on the scene. It was called New...

Alan Skorkin • 25 Sep 2013
Ruby on Rails

Exploring Rack

Tutorial • Beginner

If you're a Ruby programmer who has done any kind of web development, you've almost certainly used Rack, whether you know it or not, as it's the foundation...

Arun Srinivasan • 1 Jul 2013
Ruby on Rails

Mass Assignment, Rails, and You

Tutorial • Beginner

Early in 2012, a developer, named Egor Homakov, took advantage of a security hole at Github (a Rails app) to gain commit access to the Rails project. His...

Arun Srinivasan • 13 May 2013
Ruby on Rails

Active Record: The Rails Database Bridge

Tutorial • Intermediate

In the past, to build a web application, you required the skills to code in your business logic language and your database language. More recently, however,...

Andrew Burgess • 1 Mar 2013