Debugging your integration tests, that run a headless Chrome inside a docker image, is tricky. In many cases you can...
Within Capybara you most certainly use the #check- and #uncheck-method to (un)check checkboxes. But there's one problem...
Sidekiq 7 adds a new feature called capsules. Use cases: a chrome queue limited to 1 for e.g. PDF processing...
The linked content describes: The different color space of Oklch and RGB/HSL (HDR colors) The advantage of Oklch when you...
Capybara has a variety of finder methods like find_button to help you look up DOM elements. There are also...
Maintaining larger projects makes it more difficult to balance refactoring and upgrade tasks according to its actual value. Consider to...
Let's say we have posts with an attribute title that is mandatory. Our example feature request is to tag...
SASS has an @extend keyword to inherit styles. .alert color: red &.-framed border: 1px solid red padding: 5px &.-homepage
In dieser Card machst du einige Übungsaufgaben um Linux Server mit Ansible zu verwalten. Da es vermutlich zu aufwendig ist...
Container queries enable you to apply styles to an element based on the size of the element's container. If...
This is a checklist I use to work on issues. For this purpose I extracted several cards related to the...
Rails partials have a lot of "hidden" features and this card describes some non-obvious usages of Rails Partials.
Not all email clients support external images in all situations, e.g. an image within a link. In some cases, a...
Du verstehst, warum man Healthchecks u.ä. haben möchte. Du weißt auch, dass solche Checks nicht exklusiv für Kubernetes...
After upgrading to Rails 6.1.7.2 one of our apps printed a wall of warnings while booting: /var/www/app/shared/bundle/ruby/2.6.0/gems/net-protocol-0.2.1/lib/net/protocol.rb:68: warning: already...
The linked article found a simple way to rewrite legacy git aliases to make them work with differently named default...
I recently enjoyed debugging a Cucumber step that tried to be retryable using a patiently block: Then /^"([^"]*)" should( not)? be...
In diesem Kapitel lernst du die grundsätzlichen Konzepte von Kubernetes kennen. Hier geht es weniger um die API Objekte wie...
In diesem Kapitel wirst du eine Applikation in ein Containerimage verpacken und dieses via CI/CD bauen. Anschließend baust du die...
Timecop is a great gem to set the current time in tests. However, it is easy to introduce flakyness to...
Kubernetes ist der de-facto Standard zum Orchestrieren von Container Workloads. Sowohl On Premise als auch in der Cloud wird...
In a Jasmine spec you want to spy on a function that is imported by the code under test. This...
When changing the glibc version, it's possible that the upgrade also includes changes to how locales work.
The cards editor has a feature "Cite other card" to create links to other cards in the same deck as...