We have a long-standing checklist for merge requests. However, it hardly matches the intricate requirements for design. This checklist...
Code splitting is a feature of esbuild that can keep huge libraries out of the main bundle. How code splitting...
When you allow file uploads in your app, a user might upload content that hurts other users. Our primary concern...
Every Rails response has a default ETag header. In theory this would enable caching for multiple requests to the same...
You have an async function that rejects: async function failingFunction() { throw new Error("Something went wrong") } When you call that...
If you're using a Redis cache in Rails (e.g. :redis_cache_store), it's possible to configure additional parameters...
Capybara has a variety of finder methods like find_button to help you look up DOM elements. There are also...
When you use native smooth scrolling there is no built-in method to detect the end of the scrolling animation...
The terraform documentation states the...
...syntax as (grouping mode*. See: Grouping-Results). But this seems not the be the whole...
The change_column method for rails migrations support casting with a custom SQL statement. This allows us to change a...
Rails partials have a lot of "hidden" features and this card describes some non-obvious usages of Rails Partials.
In the past we validate and set default values for boolean attributes in Rails and not the database itself.
HTTP header values must only contain low-ASCII (7-bit) characters for safe transport. From RFC 7230: Historically, HTTP has...
Not all email clients support external images in all situations, e.g. an image within a link. In some cases, a...
Das Standardtool für Monitoring auf AWS ist Cloudwatch. Du hast dir in den AWS Kapiteln Cloudwatch sicherlich schon grundsätzlich angesehen...
Im Kapitel 502 Eine Applikation als Container mit CI pipelines deployen hast du eine Applikation auf AWS deployed. In diesem...
Du verstehst, welche Aufgaben der Kubernetes API Server übernimmt. Du weißt, wie der API Server in das Management des...
In diesem kurzen Kapitel lernst du die Grundlagen wie du Probleme von Workloads auf Kubernetes untersuchst. Dabei wird primär auf...
The linked article found a simple way to rewrite legacy git aliases to make them work with differently named default...
In diesem Kapitel lernst du die grundsätzlichen Konzepte von Kubernetes kennen. Hier geht es weniger um die API Objekte wie...
To read the current breakpoint tier in JavaScript, employ this CSS: :root { --current-breakpoint-tier: xs; @media (min-width: $screen...
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.
If you've stumbled over display: grid while reading the Flexbox material of the previous card - we've got you...