The inset CSS property is a shorthand that corresponds to the top, right, bottom, and/or left properties. It has the...
SELECT pg_size_pretty(pg_database_size('some-database')); Example SELECT pg_size_pretty(pg_database_size('cards_p')); ----------------
While working on a Rails application, your code base will grow a collection of different file types including: Ruby (business...
In our monitoring, RabbitMQ queues like aliveness-test may show up as unresponsive, with a ping timeout after 10 seconds...
Ruby includes many standard gems that are bundled into the Ruby installation. Here is an example for the gem strscan...
Beim schreiben von Scripts ist es nützlich Tests zu schreiben um bei Änderungen nicht alles nochmals manuell testen zu müssen...
Based on the Ruby Basics Card in the developer Curriculum Ruby is the programming language we use on the backend...
Instead of using Puppet exported resources you can use the puppetdb_query feature. This can result in more complex code...
When changing code in mailers, updating the corresponding mailer preview can be forgotten very easily. Mailer previews can be tested...
If you have a JS fiddle, you can open it in fullscreen by appending /show to the URL. Example: https://...
It might sometimes be useful to check whether your Rails application accesses the file system unnecessarily, for example if your...
Testing file download links in an end-to-end test can be painful, especially with Selenium. The attached download_helpers.rb provides...
While verifying doubles in RSpec is a good default, it is limited in the amount of methods it actually is...
Code quality can be measured in four levels: (Working code) Reliable code (minimum) Readable code (ok for short-lived code...
Der Begriff systemd wird immer umfassender da es sich nicht mehr (wie ursprünglich) nur um ein init Systemd handelt, sondern...
Unter Linux gibt es mehrere Dateisysteme. Es ist gut einen Überblick zu haben welche existieren und wie man die Dateisysteme...
There is a way to use multiple databases in Rails. You may have asked yourself how you're able to...
You can use Unpoly's up.on with a named listener function and immediately unbind this event listener with { once: true...
In Chrome DevTools you can use getEventListeners(object) to get a list of registered event listeners on the specified object...
When you need information about a gem (like version(s) or install path(s)), you can use the gem binary...
If you're deploying code for your lambda function via terraform, this code is usually zipped and uploaded to Amazon...
tl;dr: Use the URLSearchParams API to make your live easier if you want to get or manipulate query parameters...
Due to the way we setup Jasmine tests in our projects, you may run into various errors when Jasmine boots...
This card explains how to generate an entity relationship diagram for your Rails application. We also show how to limit...