Imagine that you need to put the number of likes for each post in a list, but avoiding n+1 queries.
posts.each do |post|
post.likes.count # n+1 queries
end


One way to avoid n+1 queries here, is to preload the association and the count the records...

Validating data input is an extremely important problem to tackle in all applications. In Ruby ecosystem there is no better tool for that than dry-validation. Here is why!

Hi everyone!!!! This is an announcement to let you know that Rails 7.0.2.4, 6.1.5.1, 6.0.4.8, and 5.2.7.1 have been released!

This is a partially-written post, which will never be complete I've been writing this article on-and-off since June 2020. I didn't like how it turned out and re-wrote it numerous times. It tries to cover way too many things at once, and that's the problem…

I use Visual Studio Code daily for web development with Ruby on Rails. By default, it is a great editor with handy tools. But its great…

When I started developing the Rails integration for Rodauth, one of the first problems I needed to solve was how to make Rodauth work seamlessly with Active Record, given that it uses Sequel for database interaction. I believed these two could coexist together…

In a normal Rails app we have forms, we have save buttons, and finish work early. But I want my page titles to be inline editable. I will figure out how to capture key events, submit the changes to the server, and even update the page URL with new slugs.…

Race conditions are hard to debug—especially when you don't know it's a race condition! This article looks at some common race conditions and the best solutions for handling each one.

Dokku has always been a low effort way to have your own Heroku. And now on a free infrastructure.

You've probably used `Rails.cache` to read, write, and fetch cached data in Rails—but did you know you can also work with counters? In this series, Jonathan Miles introduces us to some of the lesser-known tools hidden in your Rails codebase.

Notion is a text editor on steroids; so we need our own headless text editor. And we need steroids. In this episode, we add Tip Tap into our Rails app via a StimulusJS controller, and explore how Tip Tap work. Oh, and then we save data to the server.

Links:…

Rails is one of the most secure framework by default for a long time, but still there is always room for improvement, and the lates version brings a few nice improvements.

Building a Ruby DSL that can understand and execute a program written in an almost natural language

🔥 FREE SaaS Idea Validation Playbook https://mixandgo.com/lp/idea-validation
🔥 Learn Ruby on Rails https://mixandgo.com/lp/practical-ruby-on-rails

In this video we're looking at how to use ActionCable to broadcast TurboStreams over Web-sockets.

In this post, I want to give a nuanced perspective on our experience porting YJIT from C to Rust. I'll talk about the positives, but also discuss the things that we found challenging or suboptimal in our experience.

Lots of developers choose between dockerizing their development setup or leaving it as is. There is also a viable hybrid approach in combining Docker Compose with native processes.

benchmarks and usability considerations