Elixir – The Love Child of Ruby and Erlang
Elixir is a functional, meta-programmable language that is built on top of the Erlang VM. Created by Jose Valim in 2011, it has recently gained a lot of interest, especially amongst Ruby and Erlang...
View ArticleRubyists, It’s Time to PRY Yourself Off IRB!
Every Rubyist knows about irb. The Interactive Ruby Shell is essentially a REPL (read-eval-print loop). Type in some expression, and the result gets returned immediately. So how does Pry fit in? Pry...
View ArticleA Look at Ruby 2.1
In this article, we take a look at the spanking new features of Ruby 2.1. It was first announced by Matz at the Barcelona Ruby Conference (BaRuCo) 2013. We’ll be focusing on Ruby 2.1.0, which was...
View ArticlePry (and Friends) with Rails
In my previous article, we looked at Pry, an extremely powerful alternative to the standard IRB shell that Ruby gives us. For those who work with Rails, you will be happy to know that Pry has got your...
View ArticleOpal: Ruby in Your Browser, the Basics
I love Ruby, and it is my go-to language for building web applications. Unfortunately, when dealing with the browser, Javascript is a necessary evil. As you can see, I am not a huge fan. So when...
View ArticleOpal: Ruby in the Browser and the Game of Life
In the previous installment, I introduced Opal and showed how to get it set up on your system. We created the first half of Conway’s Game of Life in Opal. In this article, we will complete our...
View ArticleZeroMQ with Ruby
ZeroMQ is a network messaging library that provides the building blocks to create complex communication systems with minimal fuss via its simple API. In this article, we set up ZeroMQ on our system and...
View ArticleTesting Page Objects with SitePrism
In this article, I am going to talk about SitePrism, a testing tool that I have recently learned about and been enjoying. Here is a description of SitePrism from its' creators: SitePrism gives you a...
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Free Static Sites with Middleman and GitHub
I am going to teach you how to build a website using a new workflow that I have been using to build my own personal landing page, product page, and blog. Not only can you customise your site to fit...
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Ru: Ruby in Your Shell
The venerable sed and awk are extremely powerful text-processing tools. In the hands of a master, these power tools can bend text into almost any shape and form. Unfortunately, I'm no master. More...
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10 Killer Tmux Tips
In this article, I bring you ten of my favorite tmux tips. For those unfamiliar with tmux, SitePoint Ruby Editor Glenn Goodrich has written an excellent overview of the basics. Today, I am going to...
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Implementing Lazy Enumerables in Ruby
I've always been fascinated by Ruby's lazy enumeration, a feature that was introduced in Ruby 2.0. In this article, we take a deep dive into lazy enumeration, learning how Ruby implements this...
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Learn Concurrency by Implementing Futures in Ruby
Futures are a concurrency abstraction that represents the result of an asynchronous computation. This means that when you give a future some computation to process, this is done in a separate thread....
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The How and Why of Property-Based Testing in Ruby
Think about the last time you wrote unit tests (which hopefully is pretty recent). You had to come up with the happy-path, the tragic-path, and those hard-to-find edge cases. Since we are not...
View ArticleComparing Rails: Exploring WebSockets in Phoenix
One of the biggest features in Rails 5 is WebSockets. Seems like this feature has been inspired in part by Phoenix, the Elixir web framework. In this article, we take a look at creating a real-time...
View ArticleLearn Concurrency by Making a Countdown Latch in Ruby
A Countdown Latch is a concurrency abstraction that allows one or more threads to wait until all other threads are done with what they are doing. Therefore, a countdown latch is often referred to as a...
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A Quick Dive into the Crystal Programming Language
You might have heard mentions of the Crystal programming language of late. It is a language that looks very similar to Ruby. In fact, many Ruby programs are also valid Crystal programs. However, it...
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