Splitting up commits makes the process of reviewing often easier, since you can create several merge requests or review every...
Code splitting is a feature of esbuild that can keep huge libraries out of the main bundle. How code splitting...
As we are slowly switching from Cucumber scenarios to RSpec feature specs, you might be tempted to write assertions like...
Context and further resources Even though you can get 90% of debugging done with up to 5 basic byebug commands...
I recently noticed that better_errors allows you to to open files from within your favorite editor. However it was...
It is possible to manipulate the forwarded ports of an established interactive SSH session. This is done by opening the...
When you allow file uploads in your app, a user might upload content that hurts other users. Our primary concern...
Rack::SteadyETag was a Rack middleware that generates the same default ETag for responses that only differ in XOR-masked...
Every Rails response has a default ETag header. In theory this would enable caching for multiple requests to the same...
tl;dr asdf allows you to manage multiple runtime versions with a single CLI tool and is backwards compatible by...
We recently encountered a problem with GlusterFS (7.x) when an application used the flock syscall on a GlusterFS path...
tl;dr The strict-dynamic source list keyword allows you to simplify your CSP policy by favoring hashes and nonces...
Sidekiq 7 adds a new feature called capsules. Use cases: a chrome queue limited to 1 for e.g. PDF processing...
In Ruby on Rails ActiveRecord::Relation#merge overwrites existing conditions on the same column. This may cause the relation to...
To navigate between test and test subject Rubymine requires you to set the test root sources as Test Sources Root...
If you're using a Redis cache in Rails (e.g. :redis_cache_store), it's possible to configure additional parameters...
Let's say we have posts with an attribute title that is mandatory. Our example feature request is to tag...
A lot of web applications require being called over https, which is a good thing. It's possible to configure...
We will achieve this by creating a block accepting method to optionally create and then lock a .lock File of...
In dieser Card machst du einige Übungsaufgaben um Linux Server mit Ansible zu verwalten. Da es vermutlich zu aufwendig ist...
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...
Rails partials have a lot of "hidden" features and this card describes some non-obvious usages of Rails Partials.
Not all email clients support external images in all situations, e.g. an image within a link. In some cases, a...