You have an async function that rejects: async function failingFunction() { throw new Error("Something went wrong") } When you call that...
Sidekiq 7 adds a new feature called capsules. Use cases: a chrome queue limited to 1 for e.g. PDF processing...
If you want to to create maps within SASS/SCSS-files, it normally works like this: $some-map: (key1: value1, key2: value2...
To navigate between test and test subject Rubymine requires you to set the test root sources as Test Sources Root...
Haml 6 was a major rewrite with performance in mind. To achieve a performance improvement of 1.7x, some design...
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...
Usually you add errors to :base in ActiveRecord, in case no appropriate attribute could be used to add the error...
Maintaining larger projects makes it more difficult to balance refactoring and upgrade tasks according to its actual value. Consider to...
Let's say we have posts with an attribute title that is mandatory. Our example feature request is to tag...
By default most exceptions in Rails will render a 500 error page and will create a new issue in your...
A lot of web applications require being called over https, which is a good thing. It's possible to configure...
Rails Active Support provides some helpful methods for calculating times and dates, like Duration#ago or Duration#from...
Rails offers the fresh_when method to automatically compute an ETag from the given record, array of records or scope...
By activating strict_loading you force developers to address n+1 queries by preloading all associations used in the index...
Testing your responses in Rails allows to parse the body depending on the response MIME type with parsed_body.
We will achieve this by creating a block accepting method to optionally create and then lock a .lock File of...
The terraform documentation states the...
...syntax as (grouping mode*. See: Grouping-Results). But this seems not the be the whole...
In dieser Card machst du einige Übungsaufgaben um Linux Server mit Ansible zu verwalten. Da es vermutlich zu aufwendig ist...
The change_column method for rails migrations support casting with a custom SQL statement. This allows us to change a...
Container queries enable you to apply styles to an element based on the size of the element's container. If...
If you need a sample video with certain properties for a test you can create one using ffmpeg.
When a nginx reverse proxy complains about upstreams sending too big headers, tweaking the buffers responsibly can help to prevent...
This is a checklist I use to work on issues. For this purpose I extracted several cards related to the...