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Ruby Tutorials

There is no better way to begin your Ruby education. Check out these Beginner & Intermediate tutorials and start building your own Ruby app!


Anatomy of Ruby Variables Adebayo Adepoju Adebayo Adepoju  ●  Beginner · Ruby on Rails · Variables · Ruby  ●  Dec 02, 2016
Anatomy of Ruby Variables

In this post, I will look into what variables are, starting from their definition and move to exploring their use cases

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How to Run Python and Ruby on Heroku with Multiple Buildpacks Inanc Gumus Inanc Gumus  ●  DevOps · Ruby · Python · Heroku  ●  Nov 23, 2016
How to Run Python and Ruby on Heroku with Multiple Buildpacks

The aim of this article is to try to show how I handled a mentee's request and let you know about how to run multiple-buildpacks on Heroku.

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Build a Job Listing App in Less than 10 lines Alexander K. Alexander K.  ●  Beginner · Programming · Rails · Ruby  ●  May 11, 2016
Build a Job Listing App in Less than 10 lines

Get a taste of programming with Ruby on Rails through this quick activity!

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Deploying a Ruby Application with Ansible Vyacheslav Vyacheslav  ●  DevOps · Ruby · Ansible · Linux  ●  Mar 23, 2016
Deploying a Ruby Application with Ansible

Nowadays, you can get your own dedicated server up and running in seconds. Once you get it up, do you really need to spend several hours on configuring it for your application needs? Do you really want to repeat the same steps with each new server? In this article, you'll learn how to automate this process with Ansible.

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Creating a Simple API with Rails Francisco José L. Magalhães (Franzé) Francisco José L. Magalhães (Franzé)  ●  Ruby on Rails · Ruby · RESTful · Rails api  ●  Jan 05, 2016
Creating a Simple API with Rails

This tutorial will try to explain in a few words how to create simple and RESTful APIs with Rails.

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Deploying a Crystal application to Heroku Luís Ferreira Luís Ferreira  ●  Crystal · Ruby · Heroku  ●  Aug 25, 2015
Deploying a Crystal application to Heroku

Crystal is a typed, LLVM compiled language that reads (mostly) as Ruby. It’s a modern language that comes bundled with support for WebSockets, OAuth and other niceties. Even at its early stage, there are already more than a couple web frameworks gaining popularity in the community. We’re going to use Amethyst, which is currently the...

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Avoid Instance Variables, Use Getters and Setters Michael Crismali Michael Crismali  ●  Ruby on Rails · Ruby · Object oriented  ●  Feb 09, 2015
Avoid Instance Variables, Use Getters and Setters

In Ruby, you can set and access instance variable like this: @bar = "bar" @bar #=> "bar" But you shouldn’t. You should always use getter and setter methods like so: self.bar = "bar" bar #=> "bar" This is because instance variables never raise errors so this could happen to you: @bar = "bar" @barr #=> nil # or... @barr =...

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