Rails has the handy controller method send_file which lets us download files easily. We can decide whether the file...
We had a card that described how to install multiple mysql versions using mysql-sandbox. Nowadays with the wide adoption...
It seems like changing the HTTP_ACCEPT_LANGUAGE is not possible for a headless chrome. On Ubuntu the headless Chrome...
I ran into a situation in which I received the yarn integrity check warning when starting the rails console even...
After switching a project from Sprockets to Webpack, I started observing a bug that was hard to debug: Our...
Accessing other repositories in Gitlab CI is not straight forward, since the access rights of the current pipeline might not...
In case your integration tests crash with a message like below, try to upgrade Capybara to a newer version (3.35.3...
We recently noticed issues with Chrome 75+ when having the w3c option enabled within the Selenium webdriver. It looks like...
I encountered a unlucky behavior of byebug 11.1.3 (the most recent version at time of writing) when using it with...
You can publish pre-release versions of an npm package. Naming convention for pre-release versions An npm package must...
When a Ruby version gem has a letter in its version number, it is considered a pre-release:
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...
Webpack builds can take a long time, so we only want to compile when needed. This card shows what will...
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...
When your Rails application server raises error, Capybara will fail your test when it clears the session after the last...
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.
To ensure Spring is not running: bin/spring stop pkill -f spring To prevent Spring from starting again: export DISABLE_SPRING...
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...
Sometimes you want to have a time in a given timezone independent from you Rails timezone settings / system timezone. I...
tl;dr: Upgrade the gem to at least 4.0.1 When you use rspec_rails in a version < 4 with Rails...