tl;dr Since Rails 6.1+ you can use .compact_blank or .compact_blank! to remove blank values from collections (e.g...
When paginating records, we usually need to know the number of total records in order to render pagination links. Popular...
When redirecting you should take care to use the right HTTP status code. From controllers When redirecting from a controller...
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...
tl;dr With ES2021 you now can use str.replaceAll(), Promise.any(), logical assignment operators, numeric separators and WeakRef on all major...
You'll need openssl-3 or newer for servers running 22.04 Ruby version 3.1 uses by default the gem openssl...
The $gemname.gemspec file adds metadata to your Gem. You can provide links to your Github bugtracker or changelog file that...
When you need information about a gem (like version(s) or install path(s)), you can use the gem binary...
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...
Sometimes you will need an input field which wraps content and grows in height as soon as content gets longer...
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...
To ensure a consistent code style for JavaScript code, we use ESLint. The workflow is similar to integrating rubocop...
Building application assets with esbuild is the new way to do it, and it's great, especially in combination with...
Attaching files to a field that is handled by Carrierwave uploaders (or maybe any other attachment solution for Rails) in...
You want to deploy new features but the latest commits are not ready for production? Then use git merge master...
Sometimes you need to access a dev server running on localhost from another machine that is not part of the...
RSpec Rails can automatically mix in different behaviors to your tests based on their type tag, for example enabling you...
Jasmine has spyOnProperty(), but it only works if the property is implemented using getter and setter functions. This is a...
In my case [...] the catalog is an XML that contains all kinds of possible products, categories and vendors and it...
TL;DR When using Cache-Control on a Rails application, make sure the Vary: Accept header is set.
Rack::SteadyETag is a Rack middleware that generates the same default ETag for responses that only differ in CSRF tokens...
The Interactive Advertising Bureau (IAB) is a European marketing association which has introduced a standard how advertising can be served...