Learn Ruby on Rails

Read these Ruby on Rails tutorials to master the popular Ruby web framework, including how to create applications, work with databases, and implement authentication.

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OOP

AntiPatterns Basics: Rails Models

Tutorial • Beginner

If Design Patterns and AntiPatterns are rather new to you and you see yourself as being more on the beginner side of all things Ruby/Rails, then this one is...

Ed Wassermann • 25 Apr 2016
Ruby on Rails

Rails Image Upload: Using CarrierWave and Devise

Tutorial • Intermediate

Enabling users to upload an avatar in your application is an important feature that should be enabled. In this tutorial, you will learn how to enable image...

Kingsley Silas Chijioke • 14 Apr 2016
Ruby on Rails

Building an Anonymous Slack Bot Using Ruby and Sinatra

Tutorial • Beginner

In this tutorial, you'll learn how to make a simple Slack bot that lets users post anonymous messages on Slack channels.

Vinoth kumar A • 17 Mar 2016
Design Patterns

Ruby/Rails Code Smell Basics 02

Tutorial • Beginner

This is part 2 of a small series about code smells and possible refactorings. The target audience I had in mind are newbies who heard about this topic and...

Ed Wassermann • 29 Feb 2016
Testing

Ruby Page Objects for Capybara Connoisseurs

Tutorial • Beginner

A newbie-friendly intro to using the Page Object design pattern for your Capybara feature specs.

Ed Wassermann • 3 Feb 2016
Testing

Factory Girl 101

Tutorial • Beginner

This is part one of a guide for using Factory Girl for test data. In this article you’ll learn about the most essential features to get you up and running....

Ed Wassermann • 13 Jan 2016
Ruby on Rails

Rails Image Upload: Using CarrierWave in a Rails App

Tutorial • Beginner

The importance of enabling image upload in your Rails application cannot be underestimated. In this tutorial, you will learn how to enable image uploading in...

Kingsley Silas Chijioke • 4 Jan 2016
Performance

How to Use New Relic Insights to Learn More About Your Customers

Tutorial • Intermediate

In this tutorial, you will learn how to use New Relic Insights to collect information about your web application's users and use it to build a customer...

Jarkko Laine • 12 Nov 2015
Yii

How to Program With Yii2: Validations

Tutorial • Intermediate

The Yii Framework's built-in, extensible validators provide powerful data conformance controls which speed web development. Learn how to use them and extend...

Jeff Reifman • 27 May 2015
Ruby on Rails

One Class per Rails Controller Action With Aldous

Tutorial • Intermediate

Controllers are often the eyesore of a Rails application. Controller actions are bloated despite our attempts to keep them skinny, and even when they look...

Alan Skorkin • 22 Apr 2015
Hosting

Introduction to New Relic Insights

Tutorial • Beginner

For the first time ever, you can now ask questions about your software, customers, and business and get answers in milliseconds.

Jeff Reifman • 13 Nov 2014
Performance

Front-End Monitoring with New Relic Browser

Tutorial • Intermediate

The only monitoring product that gives you full visibility into the complete web page lifecycle of your actual users in modern browser-side applications.

Jeff Reifman • 28 Oct 2014