Ruby On Rails

Tutorials

A script engine powered by mruby sandboxie, It's a fork of Shopify's ESS.

A script engine powered by mruby sandboxie, It's a fork of Shopify's ESS. ScriptCore is a fork of Shopify's enterprise script service.The enterprise script service (aka ESS) is a thin Ruby API layer that spawns a process, the enterprise_script_engine, to execute an untrusted Ruby script.The enterprise_script_engine exec...

3 Unexpected behaviors using Ruby

3 Unexpected behaviors using Ruby In Ruby, what I call an unexpected behavior is a behavior that doesn’t seem natural at first.This means that with a bit of knowledge about what happens behind the scene. we are able to understand the purpose of these choices.In this article we’re ...

Testing ActiveRecord associations in the Rails console

Testing ActiveRecord associations in the Rails console When building a new Rails app, you usually get to create several models with all kinds of associations between them (see more in the documentation).The usual steps after creating the app would be as follows:Create the ActiveRecord models.Build the...

Build Instagram by Ruby on Rails (Part 1)

Build Instagram by Ruby on Rails (Part 1) What’ll you learn after complete this project?How to start a new Rails application?Design System from CraftUnderstanding MVC (Model — View — Controller) architectureModel: Active Record migration, validation, callback, association, and query inter...

StimulusJS on Rails 101

StimulusJS on Rails 101 Rails shifted to Yarn for Javascript packages management. Yarn has a great community, handles dependencies, provides caching, etc. Now when you need to add an asset dependency to your project (Javascript but also stylesheets), I strongly suggest y...

Build an API with the Jets Ruby Serverless Framework

Build an API with the Jets Ruby Serverless Framework In this blog post, I’ll cover how to build a simple API service on AWS Lambda with the Jets Ruby Serverless Framework.Jets New API ModeThe jets new command has a few different modes: html, api, and job. We’ll use the handy api mode for this tutori...

Partial application in Ruby

Partial application in Ruby Ruby is a multi-paradigm language with a strong bias towards object-oriented programming. You can argue that its design is influenced by Alan Kay and Smalltalk, as opposed to C /Java-style object-oriented languages. Thankfully, this object-orient...

Headless Chrome driver for Capybara

Headless Chrome driver for Capybara Cuprite is a pure Ruby driver (read as no Java/Selenium/WebDriver/ChromeDriver requirement) for Capybara. It allows you to run your Capybara tests on a headless Chrome or Chromium browser while the latter is prefered for now because we work with t...

How to Reduce Test Interference in Minitest

How to Reduce Test Interference in Minitest I was working on the test suite for active_record_doctor when I run into an interesting problem. Many active_record_doctor tasks are applied at the model-level which means they iterate over all Active Record models and process them one-by-one.I ha...

Delegating ActiveRecord scopes

Delegating ActiveRecord scopes In Ruby on Rails, access to the database is by default controlled through the ActiveRecord ORM. ActiveRecord operates on Relation objects that contain the configuration for an SQL query that will be executed at a later time. Relation objects have ...

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