We had a strange behaviour on one of our mariadb-servers: Everyday at around midnight we saw that the root...
When changing glibc versions, it's possible to end up with corrupt indexes in PostgreSQL. Are My Indexes Affected?
When changing the glibc version, it's possible that the upgrade also includes changes to how locales work.
There are cases where we have multiple exported resources that are identical. There are nodes that provide the same services...
We usually rely on VCR and WebMock to prevent any real network connection when running our unit tests.
The link contains a simple shell script to push a cleanup policy for gitlab repositories in a group.
When configuring prometheus scrape_configs, you may use relabel_configs to filter your metrics or change some fields. Your config...
If you've stumbled over display: grid while reading the Flexbox material of the previous card - we've got you...
Usually, Unpoly compiler destructors are returned from the compiler function. However, when using async compiler functions, you can not register...
Du möchtest deinen AWS Account auf bestimmte Fehlkonfigurationen hin überwachen. Dafür wirst du AWS Config einsetzen. Über gebrochene AWS Config...
Nginx is capable of forwarding a unix socket to UDP backend servers. This is quite handy for load balance syslog...
Erfülle die Aufgaben Zeige deinem Mentor in einer Live-Demo was du umgesetzt hast. Wenn du Aufgabe 4 betrachtest...
Du hast alle Aufgaben der Card erfüllt Inhalte Configuring the AWS CLI Switching roles (AWS CLI) Aufgaben
In esbuild, you usually import other files using relative paths: import './some-related-module' import `../../utils/some-utility-module` import `../../../css/some-css.sass` This is totally fine...
tl;dr You should decouple migrations from models by embedding models into the migration. To use STI in this scenario...
As a developer you may have many tools watching your project for changes: Your IDE, Webpack, Guard, etc. This is...
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...
While in CSS zero is usually referenced without specifying a unit (e.g. padding: 0), you must not use a unitless...
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 verschlüsselt. Das geschieht primär mit TLS. Da wir Webserver, Loadbalancer...