Ruby On Rails

Tutorials

Visualize the architecture of your Ruby app in RubyMine, in 2 ¹/₂ minutes

Visualize the architecture of your Ruby app in RubyMine, in 2 ¹/₂ minutes AppMap is an open source RubyMine plugin which helps you improve your code by showing you how it behaves, feature by feature, as you work. It does this by automatically generating interactive maps of architecture and code behavior right in your ed...

Ruby Money

Ruby Money In my current job, we faced calculation errors when operating with float for Money.After some investigation, we found this articleOur first approach was to find every usage of money attributes and parse them with BigDecimal.This solution has some ...

Instant Rails - Dockerized Rails Application Template

Instant Rails - Dockerized Rails Application Template Instant Rails is a Rails application template that comes with certain common tools, like Devise and RSpec, pre-installed.Instant Rails is a special kind of Rails application template. Instant Rails will generate your application inside of a Docker...

Getting started with automated testing workflow and CI on Ruby

Getting started with automated testing workflow and CI on Ruby If you have been writing Ruby / Rails code for a while, but still can’t grasp on the ‘why’ to write automated test, (eg. why do so many Ruby dev job posting requires automated test skill like Rspec, minitest etc? How does writing automated test ma...

Moving ActionCable over to Webpacker

Moving ActionCable over to Webpacker This week, I upgraded a little demo application for my book Deployment from Scratch from Rails 6 to Rails 6.1. Since I showcase WebSockets with ActionCable and Redis, I needed to move the ActionCable CoffeeScript from Sprockets to Webpacker.I star...

Adding Typescript to your Existing Rails App

Adding Typescript to your Existing Rails App TypeScript is a strongly typed superset of JavaScript developed and maintained by Microsoft. Strong typing helps you write cleaner code and detect and fix potential errors much earlier in the development process.Because TypeScript is a superset of...

Build a Ruby App with CockroachDB and the Ruby pg Driver | CockroachDB Docs

Build a Ruby App with CockroachDB and the Ruby pg Driver | CockroachDB Docs Choose whether to run a temporary local cluster or a free CockroachDB cluster on CockroachCloud. The instructions below will adjust accordingly.Use CockroachCloud Use a Local ClusterCreate a free clusterIf you haven't already, sign up for a Cockro...

Getting started with automated testing workflow and CI on Ruby - Ruby Yagi

Getting started with automated testing workflow and CI on Ruby - Ruby Yagi If you have been writing Ruby / Rails code for a while, but still can’t grasp on the ‘why’ to write automated test, (eg. why do so many Ruby dev job posting requires automated test skill like Rspec, minitest etc? How does writing automated test ma...

Building A New Programming Language In Ruby: The Interpreter

Building A New Programming Language In Ruby: The Interpreter In this blog post, we're going to start implementing the interpreter for Stoffle, a toy programming language built entirely in Ruby. You can read more about this project in the first part of this series.The interpreter we are going to build is com...

Removing assets dependencies from Rails applications for runtime

Removing assets dependencies from Rails applications for runtime Rails provides a smooth assets:precompile task to prepare application assets but keeps all required gems for assets generation as a standard part of the generated Gemfile. Let’s see if we can avoid these dependencies for runtime.A new Rails applic...

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