Ruby On Rails

Tutorials

Small ERB Implementation

Small ERB Implementation Erubi is a ERB template engine for ruby. It is a simplified fork of Erubis, using the same basic algorithm, with the following differences:.

For organizing Rails projects, domain objects are good and service objects are bad

For organizing Rails projects, domain objects are good and service objects are bad In the early stages of a Rails project’s life, the pattern of putting all the model code into objects that inherit from Active Record works out pretty nicely. Each model object gets its own database table, some validations, some associations, and ...

Getting Started with the Sorbet Type Checker in Rails

Getting Started with the Sorbet Type Checker in Rails At Monolist, we’re building a command center for engineers. We integrate with the APIs of all the tools engineers commonly use to aggregate their tasks in one place. For example, our customers trust us to pull in their Jira issues, Github pull req...

From Rails to Elixir: Know Your App

From Rails to Elixir: Know Your App In fact, Rails has been the de facto choice not only for my professional projects but also for my personal ones. Most of the times I come up with this revolutionary new ideia that will change the world (no doubt about that) and I rush to the imple...

Efficient algorithm to check dates overlap – Rails Guides

Efficient algorithm to check dates overlap – Rails Guides Picture this. A real estate site’s guest wants to book a hotel for specific dates. The system should check whether these dates are available, i.e. if they are not overlapping with some other existing booking. Let’s say, software engineers have wri...

Rails Design Patterns: Presenter

Rails Design Patterns: Presenter Why do we need design patterns?The problem is that Rails architecture, Model-View-Controller, gives you a basic structure to put your code in.But this isn’t enough.Your views grow large .

Write a simple DSL in Ruby

Write a simple DSL in Ruby A DSL (Domain Specific Language) can be thought of as a dialect built for a unique purpose. At the bottom, it is a set of functions that are made available to be used inside the given domain.The syntax used in the Gemfile, Rakefile or in tests wri...

Stubbing calls to AWS in Rails tests

Stubbing calls to AWS in Rails tests I use aws-sdk gem to deal with file uploads to S3 in my Rails application. I needed to add tests for the account logo upload and removal feature. I use Paperclip gem to do the file uploads.Typically, applications use file storage in test environme...

Mastering Packs in Webpacker

Mastering Packs in Webpacker In the previous article, we saw what Webpacker is and how Rails 6 has integrated it. In this article, we will understand how to use the packs.A new Rails 6 app creates following files under app/javascript, the new destination for writing our JavaS...

Tutorial - Use transactions to extract your Rails controller

Tutorial - Use transactions to extract your Rails controller When your Rails app needs to handle multiple steps, your controllers' methods can become a mess. Don't despair, though. You can delegate sequential steps to business transactions and Marie-Kondo those messy controllers. I'll show you how.Let's kee...

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