Kubernetes ist der de-facto Standard zum Orchestrieren von Container Workloads. Sowohl On Premise als auch in der Cloud wird...

makandra dev

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...

Erfülle die Aufgaben Zeige deinem Mentor in einer Live-Demo was du umgesetzt hast. Wenn du Aufgabe 4 betrachtest...

You have some SVG files you want to use as icons on your website. How would you embed them?

Wir arbeiten in einem Umfeld in dem sich fast alles um das Web und HTTP dreht. Wir betreiben Webseiten und...

DevOps Curriculum

Insbesondere kleine Applikationen oder einzelne Aufgaben können mit sogenannten "Serverless" Funktionen gut bereitgestellt werden. Dabei ist keinerlei Infrastruktur zu verwalten...

DevOps Curriculum

Für den Betrieb von DNS Infrastruktur bietet Amazon den Route53 Service an. Route53 kann weit mehr als viele übliche DNS...

Unpoly's [up-observe], [up-autosubmit] and [up-validate] as well as their programmatic variants up.observe() and up.autosubmit...

makandra dev

tl;dr git checkout is the swiss army of git commands. If you prefer a semantically more meaningful command for...

One rule of thumb I try to follow in capybara tests is using capybara matchers and not plain rspec matchers...

makandra dev

tl;dr git checkout is the swiss army of git commands. If you prefer a semantically more meaningful command for...

When you build a JSON API you need to come up with a style to represent attributes, pagination, errors or...

makandracards.com

Resolve @{-1} to actual branch name. (Happens when merging "-".)

greg.molnar.io

Greg Molnar has written a neat article about creating a single-file Rails app. This is not meant for production...

When working with feature branches, stale branches pile up over time. It's best to remove them right after merge...

While working on a Rails application, your code base will grow a collection of different file types including: Ruby (business...

DevOps Curriculum

Beim schreiben von Scripts ist es nützlich Tests zu schreiben um bei Änderungen nicht alles nochmals manuell testen zu müssen...

DevOps Curriculum

Bei Automatisierungsaufgaben kannst du dich nicht immer auf fertige Tools verlassen. Häufig musst du eine Schnittstelle zu einem bestehenden System...

Instead of using Puppet exported resources you can use the puppetdb_query feature. This can result in more complex code...

You can use the code below to check whether the browser can make connections to the current site: await isOnline...

joshmcarthur.com

I recently wanted to add a model for address information but also wanted to add a unique index to those...

Testing file download links in an end-to-end test can be painful, especially with Selenium. The attached download_helpers.rb provides...