Ruby On Rails

Tutorials

Finding the opposite of what you have with rails invert_where

Finding the opposite of what you have with rails invert_where Rails 7 introduced invert_where. This method inverts all scope conditions that it’s applied to, simplifying the process of defining the opposite of a where clause in ActiveRecord queries. It also comes with a few caveats that should be considered ...

Rails 8 Assets - Deep dive into Propshaft | Radan Skorić's website

Rails 8 Assets - Deep dive into Propshaft | Radan Skorić's website Read the previous article to learn how Propshaft and importmap-rails work together to form the Rails 8 Asset pipeline. That article focuses on the interplay between the two and explains more of the importmap-rails side. Now, let’s dive into how Pr...

Deploying Rails application with Kamal and Postgres - Complete Guide. | Kamal Wiki

Deploying Rails application with Kamal and Postgres - Complete Guide. | Kamal Wiki Switching to PostgreSQL for your Rails app? Learn how to configure Kamal for seamless deployment with Postgres. This guide includes database setup, environment variables, and troubleshooting tips. Deploy like a pro - read now!.

Social login with the Rails 8 auth generator

Social login with the Rails 8 auth generator If you're not familiar with it yet, social login is the name given to the implementation of the OAuth2 protocol to authenticate users into an application. It works by allowing applications to access resources from a third-party (Google, GitHub, L...

Speed up RSpec tests: understand lifecycle and execution - Remi Mercier

Speed up RSpec tests: understand lifecycle and execution - Remi Mercier One of RSpec’s strengths is the legibility of its behavior-based DSL. The other side of this coin is that the proliferation of small example blocks introduces a performance overhead. Why? Because of RSpec test files’ lifecycle! I’ll describe broad...

Hotwire and That Syncing Feeling

Hotwire and That Syncing Feeling How to create a multi-view presentation that stays in syncRender three views: the group view, the individual view, and the presenter view. The group view should show a fullscreen view of a slide, including group content such as a video The indivi...

Integrating DeepSeek API with Ruby - DEV Community

Integrating DeepSeek API with Ruby - DEV Community Artificial Intelligence is revolutionizing the way we interact with text, and DeepSeek provides a powerful API to harness its capabilities. Whether you’re looking to correct grammar, generate poetry, or build AI-powered applications, this guide wi...

Build a Notion-like editor with Rails, part 2 | Rails Designer

Build a Notion-like editor with Rails, part 2 | Rails Designer In the first part of Build a Notion-like editor with Rails article, the foundation was built by creating the data model and the basic HTML layout. This article continues where that article ended. Besides making things look a fair bit prettier wit...

Migrating from Sidekiq to Solid Queue - DONN FELKER

Migrating from Sidekiq to Solid Queue - DONN FELKER I recently migrated Listomo (my email marketing platform) from Sidekiq to Solid Queue. There are lots of posts out there showcasing how various companies migrated to Solid Queue from Sidekiq but they did not help that much, so hopefully this helps...

Seeds...of Destruction! 🌱 ➡️ 💥

Seeds...of Destruction! 🌱 ➡️ 💥 Maybe you trust your db/seeds.rb file to be idempotent when you run bin/rails db:seed, and maybe you don’t, but either way, you should test it so you can be sure that it does what you think it does. Doing so is simple! Let’s run through the proce...

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