Ruby On Rails

Tutorials

What are Devise Modules In my previous blog post I wrote a basic introduction to Devise. Go check that out if you’re not already familiar with installing Devise. In this post I will be diving deeper and exploring the 10 modules that make up Devise.

FizzBuzz with pattern matching (in Ruby)

FizzBuzz with pattern matching (in Ruby) Tom Dalling recently (re)posted a blog post about playing with FizzBuzz in Ruby, to get a grasp of different approaches to problem solving. I decided to create a small addition to this topic: how to do FizzBuzz in Ruby using pattern matching techn...

Free Book Learn how to set up CI and CD to AWS

Free Book Learn how to set up CI and CD to AWS In this eBook you will learn how to set up Continuous Deployment to Amazon Web Services (AWS) for your Docker Apps. We'll talk about EC2, ECS, ECR, Elastic Beanstalk and CodeDeploy.

7 Design Patterns to Refactor MVC Components in Rails

7 Design Patterns to Refactor MVC Components in Rails In our previous post, The Basics of MVC in Rails, we discussed theoretical aspects of the MVC design pattern. We defined what MVC stands for, identified what each MVC component is responsible for, addressed what happens when a component contains r...

Rails Docker App: Setup

Rails Docker App: Setup In this paper will document the process of upgrading this standard monolithic rails app to be managed by Docker & Compose. In the next article, document how to update a more complicated modern SOA rails app to Docker and then deploy to production ...

How do Native Extensions Manage Memory? Part 1: Ruby (MRI)

How do Native Extensions Manage Memory? Part 1: Ruby (MRI) One of the most interesting design challenges in a programming language interpreter or VM is what kind of memory management API to offer to native extensions. This issue is more or less invisible unless you’re writing a native extension. When you...

How to build a network stack in Ruby

How to build a network stack in Ruby Like many young programmers I began my career without a degree in Computer Science or Software Engineering. The recent influx of approachableresources has made it easier than ever to start making apps and getting paid.

Introducing: BabySqueel. Elegant queries for Rails.

Introducing: BabySqueel. Elegant queries for Rails. Historically, Squeel has had trouble keeping up with the latest versions of Active Record. Currently, it is incompatible with Rails 5 and efforts to upgrade it have been frustrating. Squeel was originally intended to become part of the official A...

A Case for Composition

A Case for Composition I’ve read way too many blog posts about inheritance versus composition. All of them revolving around the is-a versus has-a relationship. If that subtlety has left you scratching your head, here’s a real life example. One of my first problems to s...

Improving Rails test helpers

Improving Rails test helpers A great productivity comes from the small things. When making sure that the app works fine on the new version of Rails, I had to fix failures like this one many many times:

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