Ruby On Rails

Tutorials

Painless Rails upgrades

Painless Rails upgrades Sooner or later your Rails application will require an upgrade of the framework itself. There are many reasons behind that. Bugs, incompatibility with modern libraries, or the worst: the version you use will no longer receive security updates. Liv...

Using Action Mailbox in Rails 6 to Receive Mail

Using Action Mailbox in Rails 6 to Receive Mail Sending mail from a Rails application has been covered by hundreds or thousands of articles, however, there is not a ton of articles about receiving, parsing and using the new ActionMailbox.The following is an excerpt from my book Build A SaaS App...

Sharing code with Ruby and Rails

Sharing code with Ruby and Rails Ruby and Rails provide many ways to share code between objects. If you don’t work in Ruby or a Rails application often, it can be hard to remember what each one does. Despite this, each of these tools serves a different purpose in a Ruby system’s ...

Building a Toy Lexer in Ruby

Building a Toy Lexer in Ruby Lexers are magical. They take your messy, hand-typed, human text, and convert it into a clean data structure that the computer can process. Every time you run a ruby program, use structured search or type in a date by hand, you'll find a lexer har...

Defining gem dependencies in single file Ruby scripts

Defining gem dependencies in single file Ruby scripts Sometimes I come across cases where I need to write a simple script which uses a gem. The simplest way to go about this is to gem install gem-name and then require 'gem-name' in your script. However, this means that you need to remember to install...

Clean your Rails routes: grouping

Clean your Rails routes: grouping In Ruby on Rails, all the routes of a given application can be found within the config/routes.rb file.You add more and more routes in this file as your project grows.The problem here is that this file potentially becomes very complicated to manage...

Reactive frontend UI components for Rails in pure Ruby

Reactive frontend UI components for Rails in pure Ruby Motion allows you to build reactive, real-time frontend UI components in your Rails application using pure Ruby.Plays nicely with the Rails monolith you have.Peacefully coexists with your existing tech: Strong Parameters, Turbolinks, Trix, React, ...

Why validation matchers are the only Shoulda matchers I use

Why validation matchers are the only Shoulda matchers I use If you’re unfamiliar with Shoulda matchers, the premise, from the GitHub description, is: “Shoulda Matchers provides RSpec- and Minitest-compatible one-liners to test common Rails functionality that, if written by hand, would be much longer, more ...

Understanding and Implementing Bubble Sort in Ruby

Understanding and Implementing Bubble Sort in Ruby You'll probably never need to implement bubble sort from scratch. Just call Array#sort! But sorting algorithms are a popular interview topic for a reason. They ask a bigger question: "Sure, you know what your code does, but do you know how it work...

Running spot instances effectively with Amazon EKS - Signal v. Noise

Running spot instances effectively with Amazon EKS - Signal v. Noise Since we started working on HEY, one of the things that I’ve been a big proponent of was keeping as much of the app-side compute infrastructure on spot instances as possible (front-end and async job processing.

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