When storing files for lots of records in the server's file system, Carrierwave's default store_dir approach may...
When deleting a record in your Rails app, Carrierwave automatically takes care of removing all associated files. However, the file...
If your Webpack build is slow, you can use the Speed Measure Plugin for Webpack to figure out where time...
To run additional code before an existing Rake tasks you can add a dependency like this: task :before_task...
Sometimes you want to load code on demand. For instance, when a a large library is only used on a...
Use rules to include or exclude jobs in pipelines. Rules are evaluated in order until the first match. When a...
Installing gems on a server that has no access to the internet (especially rubygems.org) requires to bundle the gems into...
Generate a password htpasswd -Bn firstname.lastname This will ask you for a password and use bcrypt (-B, more secure) and...
In newer passenger versions the output of passenger -v has changed. capistrano-passenger tries to parse the version and now...
To attach files to your records, you will need a new database column representing the filename of the file...
Ruby 3.0 introduced a breaking change in how it treats keyword arguments. There is an excellent blog post on the...
I really love to use the shortcuts CTRL+Alt+ Arrow Left and CTRL+Alt+ Arrow Right to navigate through the...
When you have a hex color code, you can easily convert it into its RGB values using plain Ruby.
We prefer to run our end-to-end tests with headless Chrome. While it's a very stable solution overall...
When your Rails application server raises error, Capybara will fail your test when it clears the session after the last...
When your application is open for public sign up and sends out transactional e-mails to a large number of...
Browsers blocks abusable JavaScript API calls until the user has interacted with the document. Examples would be opening new tab...
In Ruby (almost) everything is an Object. While this enables a lot of powerful features, this concept might be confusing...
The ActionDispatch module of Rails gives you the helper method flash to access the flash messages in a response.
capybara-lockstep can help you with flaky end-to-end tests: This Ruby gem synchronizes Capybara commands with client-side...
json is part of the standard library of Ruby and deals with JSON, obviously. As you know, JSON is the...
The linked article shows that there are unclear parts in the JSON specification and that different parsers treat them differently...
By default parallel_tests will spawn as many test processes as you have CPUs. If you have issues with flaky...
CarrierWave comes with a set of default configuration options which make sense in most cases. However, you should review these...