Ruby On Rails

Tutorials

Understanding Transaction Isolation Levels in Rails with Simple Examples - DEV Community

Understanding Transaction Isolation Levels in Rails with Simple Examples - DEV Community In this article, we will discuss the usage of database transactions in a Rails application, with a particular focus on one of the ACID principles - Isolation - and its four levels. We will explore what these isolation levels are, why they are nece...

How to Dynamically Create Instance Variables in Ruby

How to Dynamically Create Instance Variables in Ruby This post shows one way to dynamically initialize multiple instance variables in a Ruby class using metaprogramming. If you need to pass multiple, separate pieces of data to a constructor (and cannot refactor the code for some reason), it's a pret...

Autogenerate plaintext emails

Autogenerate plaintext emails Basically every web application sends emails these days, and since we do not live in the 1980s anymore, users expect them to be colorful and well-designed. So we need to provide two templates in Rails: a plain-text version and a HTML version (more...

Kevin Newton | Ruby operators

Kevin Newton | Ruby operators First, we have the operators that are used to call methods. These are not the names of the methods themselves, but rather specify the manner in which the method should be called. They are:. - This is the main call operator. It calls a method on th...

Rails 7.1 adds routes --unused option to detect extraneous routes | Shakacode

Rails 7.1 adds routes --unused option to detect extraneous routes | Shakacode Discover extraneous routes in your Rails application effortlessly by utilizing the --unused option with the rails routes command.Rails routes are essential for mapping URLs to specific actions, controllers, and views in your application. As your R...

Building shadcn Form Builders in Rails

Building shadcn Form Builders in Rails The form builder objects I'm using above are:@object which represents the underlying object that was passed to form_for or form_with.@template which represents the ActionView instance of the rendering engine. You need to call any of the ActionView...

Passkey Authentication with Rodauth - DEV Community

Passkey Authentication with Rodauth - DEV Community Passkeys are a modern alternative to passwords, where the user's device performs the authentication,... Tagged with ruby, rails, webdev.

Safeguarding From Deprecation Regressions During an Upgrade

Safeguarding From Deprecation Regressions During an Upgrade You are upgrading a Rails application. You finished fixing a deprecation warning and it’s not present anymore. You continue working on other tasks and one day you find out the deprecation is back in the codebase. New code was added using the depre...

Running SASS and Tailwind side by side in Rails

Running SASS and Tailwind side by side in Rails What if you want to incrementally switch to Bulma? Or build a marketing site with Tailwind while keep using SASS for your main application? It’s not as hard as you think.The cssbundling-rails gem is a popular choice when it comes to handling CSS i...

Building Value Objects in Rails with composed_of

Building Value Objects in Rails with composed_of Learn how to improve the interface of your existing Active Record Models with this underutilized API.In this tutorial, we’ll explore how we can improve the interface of an Active Record Model by extracting existing logic into value objects by usin...

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