Railsnotes

Run RSpec in parallel and speedup your specs by 2x-4x locally using the handy parallel_rspec gem.

Learn how to use the Blazer gem in your Ruby on Rails app to query data in SQL, build dashboards, and run automated checks.

Learn how to use the Ahoy gem to track feature usage within your Ruby on Rails apps.

Learn how to setup Ruby and Ferrum for stealthy web scraping and browsing, including setting up correct headers, proxying requests, rotating your user agents, restricting bandwidth usage and more.

A short introduction to the rdbg/debugger extension for VS Code, plus a guide on how to set it up correctly to debug your Ruby on Rails applications, as well as your RSpec specs. The VS Code extension takes 5 minutes to setup and it's great!

Setting up VS Code for Ruby on Rails development can be tricky, so I wrote this article to help. In it, I share different VS Code extensions for things like autocomplete, linting, formatting and more! I've even put together a handy extension pack to get y

Work on Rails 8 is starting, so I dug through the official GitHub milestone to break down all the upcoming goodies for you. There's plenty coming, including Solid Queue, Solid Cache and Kamal becoming defaults, better support for PWAs, an official LSP, an

This short guide shows you how to use VS Code to edit secrets in your Ruby on Rails app when you run rails credentials:edit. I also include a handy bin/credentials:edit script to simplify things.

ActionMailer makes it easy to attach files to your emails. In this article, I show you how to attach single or multiple files, set custom encodings and mime_types, and attach images as inline attachments to display in your email body.

In this article, I share tips for writing Rails ViewComponents, based on my experience building RailsNotes UI, and other projects. If you use ViewComponents in your Ruby on Rails apps, read this article!