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...
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...
When trying to intersect conditions of two scopes, be careful with ActiveRecord::Relation#merge: it overwrites existing conditions on the...
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...
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...
By activating strict_loading you force developers to address n+1 queries by preloading all associations used in the index...
Since Ruby 3.2.0 you can measure coverage support for eval statements and support has been added for the simplecov gem...
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...
In the past we validate and set default values for boolean attributes in Rails and not the database itself.
Carrierwave's BaseUploader can have some validations that you can use by overriding a certain method, which's expected name...
Since Rails 7 you are able to encrypt database information with Active Record. Using Active Record Encryption will store an...
Sometimes I ran across a GitHub merge request of a gem where it was not completely obvious in which version...
When you use the :as option to map a power to a controller method you can now override the generated...
The linked article shows how metapogramming macros can use define_method to make a method that can be overridden with...
After upgrading to Rails 6.1.7.2 one of our apps printed a wall of warnings while booting: /var/www/app/shared/bundle/ruby/2.6.0/gems/net-protocol-0.2.1/lib/net/protocol.rb:68: warning: already...