Setting array columns When using PostgreSQL array columns, you can set an array attribute to a value with square brackets...

Percent Notation We already know that that we can create strings using the percent notation: %(<foo="bar's ton">) is...

It is very common to parse dates from strings. It seems obvious to use Date.parse for this job. However this...

Mobile Chrome and Safari support the "web share API" which allow you to use the native share functionality of an...

Geordi uses parallel_tests if available for running the test suite. To debug an application it is very unhandy to...

It is possible to access Rails config (for example secrets) from within your webpack bundles, thanks to rails-erb-loader...

When debugging your application, you will come across objects created by some gem or framework. You don't have the...

TL;DR: All modern browsers default to using the element as the main document viewport. In CSS, prefer to set...

Font Awesome 5 is a comprehensive solution for vector icons on your website. Originally, Font Awesome came as an icon...

S3cmd is a free command line tool and client for uploading, retrieving and managing data in Amazon S3. S3cmd reads...

Normally you can list all gems of the current ruby version with gem list, which also includes the gems of...

Phusion Passenger changed the way how it gets restarted several times. Through the project's history, these all were valid...

In this example we assume that not only the storage gem changes but also the file structure on disc.

Masonry is a famous library to dynamically arrange a grid of items that have different aspect ratio, like horizontal and...

For Sidekiq to be able to retry your jobs it has to be able to catch errors that occur while...

Cross-Site Request Forgery (CSRF) is an attack pattern for websites. A CSRF attack is usually relevant in a...

A JavaScript error in an E2E test with Selenium will not cause your test to fail. This may cause you...

Rails 5.2 soft-deprecated the storage of secrets in secrets.yml in favor of a new thing, credentials.yml.enc. Rails 7.1 deprecated...

Geordi provides a pretty neat way to generate beautiful commit messages according to your stories in Linear: geordi commit

Geordi's cucumber command has a --rerun option that reruns failing tests the given number of times. Usage: geordi cucumber...

...HTML's accepts a single file. You can allow multiple files via . But sometimes, selecting multiple files is not enough...

If you use transactional_fixtures or the database_cleaner gem with strategy :transaction, after_commit callbacks will not be fired...

If validations failed for a record, and you want to find out if a specific validation failed, you can leverage...