Mastodawn

BTW this is the tool

https://mastodon.social/@matheusrich/116245097813945238

No one sets out to write a slow test, and yet it happens. Prevent slow tests from creeping into your test suite again! Tests are not enough, we need *fast* tests!

https://thoughtbot.com/blog/introducing-test-budget

Introducing Test Budget: a linter for test performance

Your test suite didn’t get slow all at once. It won’t get fast all at once either. Start by making sure it stops getting worse.

thoughtbot

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Matheus Richard Mar 9

Also, stay tuned because I'll release a tool to prevent your tests from silently becoming slow again!

Matheus Richard Mar 9

Here's one of those things that are easy to miss on code review and will make your tests super slow. Good news: it's easy to fix!

https://thoughtbot.com/blog/combine-capybara-selectors-to-avoid-the-sequential-timeout-trap

Combine Capybara selectors to avoid the sequential timeout trap

How I shaved over a minute off a test suite with a one-line change.

thoughtbot

Matheus Richard Nov 17

Today I learned about Rails' Time.days_in_month and Time.days_in_year. So handy!

Matheus Richard Oct 24

🎉 end_of_life 1.0.0.alpha is released! It includes:

- Macos install via homebrew
- Support for scanning EOL Node.js versions
- Support for detecting versions from `mise.toml`.
- A new `check` command to check if specific product releases are EOL
- A revamped CLI

Stay updated!

Matheus Richard Oct 20

TIL about Git LFS: An open source Git extension for versioning large files

https://git-lfs.com/

Git Large File Storage

Git Large File Storage (LFS) replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server like GitHub.com or GitHub Enterprise.

Git Large File Storage

Matheus Richard Sep 17, 2025

Just shaved 200-250ms from a CLI app by just requiring dependencies only when they're needed.

It might not seem much, but it really matters to get that snappy feel.

Matheus Richard Sep 16, 2025

This is my favorite 404 page

Matheus Richard Sep 10, 2025

Did you know that Rails 7.1 stops receiving security updates in 3 weeks? Wished that you had a tool that would inform you about this kind of stuff?

Well, end_of_life v0.5 was just released and it now supports Rails!

Check it out: https://github.com/MatheusRich/end_of_life/