In Rails 7.1 it has become possible to annotate partials with the locals they expect: # partial _user_name.erb <%# locals: (user:) %>
If an view spec crashes due to undefined helper methods, you can enable this option: # config/application.rb config.action_controller.include_all_helpers = true...
What is makandra cards? We are makandra, a team of 60 web developers, DevOps and UI/UX experts from Augsburg, Germany...
Your commit messages should include the ID of the issue your code belongs to. Our preferred syntax prefixes the issue...
This card describes two variants, that add a more intuitive workflow when working with nested attributes in Rails + Unpoly.
This card describes different flavors for concatting HTML safe strings in a helper method in Rails. You might want to...
...HTML elements can automatically start playing when the autoplay attribute is set on them. Except for when they can not...
Debugging performance issues in your Rails app can be a tough challenge. To get more detailed insights consider using the...
Note Using rem only ever makes sense when the root font size is dynamic, i.e. you leave control to the...
If you are using git submodules in Gitlab CI, you might run into a "The project you were looking for...
tl;dr Prefer request specs over end-to-end tests (Capybara) to joyfully test file downloads! Why? Testing file downloads
The author describes his little journey in hunting down a memory leak. Maybe his approach and tooling may one day...
A common cause of non-accessible web pages are elements that were made interactive via JavaScript but cannot be focused...
I recently noticed a new kind of flaky tests on the slow free tier GitHub Action runners: Integration tests were...
Any form fields where users enter numbers should be an . Numeric inputs have several benefits over : On mobile or tablet...
A Rails script lives in lib/scripts and is run with bin/rails runner lib/scripts/.... They are a simple tool to perform...
Tested on Ubunut 22.04 1. Opener script Create a file ~/.local/bin/coverage_zip_opener with: #!/bin/bash tmp_folder="/tmp/coverage-report-opener" if [ -z "$1" ]
Today I learned that you can animate HTML elements using the Web Animation API's method .animate(keyframes, options) (which...
Version 3.7.0 broke some things in complex forms. Sorry for that. Concurrent user input is hard. 3.7.1 This change fixes...
In Capistrano 3, your Capfile requires 'capistrano/rails/migrations', which brings two Capistrano tasks: deploy:migrate and deploy:migrating. The former checks...
Added: State machine can now use the :prefix-option to avoid name collision if you define multiple state machines on...
Make sure that you use the correct property when editing an HTML attribute. Using innerHTML with unsafe arguments makes your...
If you ever need to restore exact records from one database to another, Marshal might come in handy. Marshal.dump is...
Every modern Rails app should have a Content Security Policy enabled. Very compatible default The following "default" is a minimal...