Articles page 2

• #ruby-on-rails
• #resources

I wanted to compile an ultimate list of Ruby resources, books, courses, people to follow, etc... This list contains resources I have used…

• #javascript
• #mobx
• #react

I've always loved MobX because of it's lack of boilerplate in comparison to Redux. It just seems so effortless to modify state... so how…

• #javascript
• #react

Currently there are 3 distinct ways of using refs in React. A ref gives you access to the underlying DOM element. This is especially…

• #react
• #javascript
• #mobx

MobX State Tree takes something which is awesome (MobX) and brings it to the next level. You can now define your own typed models, made up…

• #mobx
• #javascript
• #create-react-app
• #react

You do not have to eject from create-react-app to get support for decorators and other babel plugins. MobX works fantastic with decorators…

• #javascript
• #react
• #mobx
• #create-react-app

Create React App is a great way to get up and running with React. It comes configured with sane defaults which are great for most people…

• #ruby
• #regex

In Ruby we can use the match method which belongs to the String class to both check a string for a regular expression match but also to…

• #javascript
• #react
• #mobx

In this video tutorial I show how to get up and running with Mobx in a React app. We will go from create-react-app all that way to having…

• #ruby

What is actually happening under the covers in Ruby when you ask if a variable is nil? It turns out that it's way simpler than you may think…

• #ruby-on-rails
• #refactoring

Controllers can get out of control. Their job should generally be quite simple. In an MVC framework such as Rails, they should have the job…

• #ruby
• #ruby-on-rails
• #cli

Typically in Rails apps we use rake tasks as a way to interact with our application through the command line. We're all familiar with…

• #ruby
• #metaprogramming
• #ruby-on-rails

In this article we are going to look at method_missing and respond_to_missing? in order to see what they do and how they can be used. We…

• #ruby
• #strings

I'm working with an API which requires a phone number to be in the format 555-555-5555. As much as you want your users to enter it in that…

• #ruby
• #algorithms

What is a Stack? A Stack is an abstract data type in programming which has a variety of uses. The basic premise of a Stack is that you can…

• #ruby
• #algorithms

Today we're going to explore a Ruby implementation of the Weighted Quick Union & Quick Find algorithm. This is an algorithm used to find if…

• #databases
• #postgres

Correcting for spelling mistakes If you search "trgrams in pstgres" in Google, you'll get results for "trigrams in postgres". To say that is…

• #ruby-on-rails
• #databases
• #postgres

Race conditions A race condition or race hazard is the behavior of an electronic, software or other system where the output is dependent on…

• #elixir
• #cors
• #api

Single page applications Single page applications (SPA) are becoming more and more popular, often replacing the more traditional server…

• #elixir
• #algorithms
• #recursion

Intro I recently wrote an article on Recursion in Ruby , and this is meant to be its Elixir counterpart. It will provide a way to compare…

• #ruby
• #algorithms
• #recursion

This article is the counterpart to one I wrote on Recursion in Elixir . What is recursion? Recursion in computer science is a method where…

• #ruby
• #elixir
• #algorithms

Intro... learning Elixir This is my first post in the new Elixir category I've set up on my site. I'm new to Elixir and functional…

• #ruby
• #algorithms

The challenge Write a program that outputs all possibilities to put + or - or nothing between the numbers 1, 2, ..., 9 (in this order) such…

• #ruby-on-rails

How to ensure your values are unique It's often the case that you want to ensure that you've got uniqueness in your data. You only want an…

• #ruby

As a way to better understand how Ruby works, I started to dive into how object hierarchies work in the language. We're going to be covering…

• #ruby
• #metaprogramming

My problems today Today I was trying to write a test for a method, and I was expecting certain behaviour that I definitely wasn't getting…

• #ruby-on-rails
• #soap
• #api
• #gross

Can you do this integration? Is what I was asked. Oh no... it's in SOAP? Instantly all the time I spent working with SOAP APIs in PHP…

• #ruby
• #metaprogramming

What is method_missing? method_missing is a method that ruby gives you access inside of your objects a way to handle situations when you…

• #ruby
• #metaprogramming

Creating Methods In this post I'll be discussing another aspect of metaprogramming in Ruby. The ability to create methods dynamically…

• #ruby
• #metaprogramming

What is metaprogramming? You might have heard the term metaprogramming before, but what is it and what does it have to do with Ruby? To…

• #ruby
• #dsl

Overview I've been in Colombia for the last month visiting family, and last week I had the opportunity to hang out with the Medellin.rb…