Running a separate query to count how many records are associated with another record is inefficient. Using a counter cache can save the day!
You’ve heard it from us, Ruby is back at the biggest European conference on free and open source software.
Did you know that you can align text in Markdown tables? Or that you can use the repeat command in zsh to run a command multiple times? Read on to learn more!
We’ve updated Ruby Science, the reference for creating fantastic Rails applications, and it’s now available on the web in addition to EPUB and PDF.
I’ve been upgrading an old Rails 3.2 app and Ruby 2.0 doesn’t work on Apple Silicon. I solved it with full virtualization of x86-64.
How I used artificial intelligence and async programming to transform interesting conversations into blog posts.
You don’t need a sophisticated caching mechanism to improve your application’s performance. All you need is a basic understanding of the HTTP specification.
Learn how to build a production ready Rack application without a framework like Rails or Sinatra.
A guide on web security, DeMorgan Laws, force-pushing without losing your work, and more!