Debugging your integration tests, that run a headless Chrome inside a docker image, is tricky. In many cases you can...
When you allow file uploads in your app, a user might upload content that hurts other users. Our primary concern...
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...
If your irb or rails console keeps randomly crashing and you can't figure out why then you can try...
Sidekiq 7 adds a new feature called capsules. Use cases: a chrome queue limited to 1 for e.g. PDF processing...
If you use a newer SSH key generated with the ED25519 algorithm instead of RSA (see Create a new SSH...
This is a checklist I use to work on issues. For this purpose I extracted several cards related to the...
Sometimes, the rails dev server doesn't terminate properly. This can for example happen when the dev server runs in...
In a Jasmine spec you want to spy on a function that is imported by the code under test. This...
You have some SVG files you want to use as icons on your website. How would you embed them?
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...
Ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote...
If you need to convert an SVG source to PS or EPS, the most common suggestion on the interwebs is...
Sometimes the need arises for SSL in local development. We have guides for different webservers, this one is for puma...
These are the results of the "personal tech stack survey". I've included only the most popular mentions, maybe it...
This should be fixed in the latest LTS-branches of our mysql2 fork, 0.2.x-lts and 0.3.x-lts...
Recent IRB versions include a multi-line autocomplete which may be helpful to novice users but can be distracting.
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...
You'll need openssl-3 or newer for servers running 22.04 Ruby version 3.1 uses by default the gem openssl...
In Chrome DevTools you can use getEventListeners(object) to get a list of registered event listeners on the specified object...
Redis.current will be removed without replacement in redis-rb 5.0. Version 4.6.0 adds deprecation warnings for Redis.current and Redis.current=: `Redis.current...