makandra Curriculum

Congratulations, you just made it through about half of our curriculum deck! 🎉 We've covered the basics of your future...

You might use screen or tmux to run a temporary command on a server which continues to run after the...

Jasmine specs for the frontend often need some DOM elements to work with. Because creating them is such a common...

Jasmine specs that work with DOM elements often leave elements in the DOM after they're done. This will leak...

tl;dr In Chrome DevTools in the Layouts tab you have handy options to debug CSS Flexbox and Grid. Including...

drafts.csswg.org

While in CSS zero is usually referenced without specifying a unit (e.g. padding: 0), you must not use a unitless...

trac.nginx.org

When using many or very long entries of MIME-types that shoudl be gziped in gzip_types directives in nginx...

Im Jahr 2022 ist beinahe der gesamte Traffic im Internet verschlĂŒsselt. Das geschieht primĂ€r mit TLS. Da wir Webserver, Loadbalancer...

Large Rails projects tend to define multiple custom ways to format Dates or DateTimes. This often leads to duplicated format...

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

sass >= 1.35.0 has the option quietDeps and silenceDeprecations to silence deprecation warnings from dependencies. quietDeps: No deprecation warnings for dependencies...

tl;dr In Chrome DevTools in the Sources tab you can activate Event Listener Breakpoints for debugging events. Example

Hat man wechselnde LastzustĂ€nde fĂŒr seine Applikation und möchte Geld einsparen, kann man seine Applikation und die Infrastruktur so designen...

DevOps Curriculum

Der zuverlÀssige und perfomante Betrieb von relationalen Datenbanken kann sehr aufwendig und komplex sein. Dies gilt vor allem, wenn man...

DevOps Curriculum

Die Elastic Compute Cloud ist ein flexibler Service, der VMs und damit zusammenhÀngende Komponenten wie Disks, NetzwerkgerÀte, Loadbalancing, VM Images...

tl;dr In Chrome DevTools in the Elements tab or in Firefox in the Inspector tab you can right click...

If you use third party APT sources you might end up with unmaintained packages after removing the external source or...

tl;dr In the Elements tab in the Chrome DevTools you can right click on an element and select Store...

github.com

ActiveType::Object inherits from ActiveRecod::Base and is designed to behave like an ActiveRecord Object, just without the database...

DevOps Curriculum

Als DevOps Engineer kann es hÀufiger vorkommen, dass du ein lokales Testsetup bauen musst, um eine bestimmte Software oder ein...

If you're experiencing that your bundle install command fails with an error message like this, rubygems.org might...

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

tl;dr Since Rails 7+ you can use ComparisonValidator for validations like greater_than, less_than, etc. on dates, numerics...

You can use ETags to allow clients to use cached responses, if your application would send the same contents as...