When you have a hex color code, you can easily convert it into its RGB values using plain Ruby.
We prefer to run our end-to-end tests with headless Chrome. While it's a very stable solution overall...
When your Rails application server raises error, Capybara will fail your test when it clears the session after the last...
In Ruby (almost) everything is an Object. While this enables a lot of powerful features, this concept might be confusing...
json is part of the standard library of Ruby and deals with JSON, obviously. As you know, JSON is the...
5.4.0 2021-02-01 Compatible changes Add geordi branch command that checks out a feature branch based on a story...
We had the issue, that a VCR spec failed, after updating CarrierWave from version 0.11.0 to 1.3.2. In this version...
CarrierWave comes with a set of default configuration options which make sense in most cases. However, you should review these...
The pages […] allow you to see different types of mixed content and test how they behave in your browser. The...
Sometimes you want to have a time in a given timezone independent from you Rails timezone settings / system timezone. I...
Recently I made an upgrade from Bootstrap 3 to Bootstrap 4 in a bigger project. Here are some tips how...
By default, your terminal emulator (Gnome Terminal, Terminator, etc.) sets some kind of window title to reflect the shell type...
Rails 6 includes a WYSIWYG editor, Action Text. It works out of the box quite well, but chances are that...
I just finished migrating a project from the Asset Pipeline to Webpacker, this is what my diff to master looks...
Ruby offers monkey patching methods in order to change the behavior of a library if there's no better way...
In long diffs, it can become impossible to spot small changes in larger blocks of moved code. This may be...
Headless Chrome is a way to run the Chrome browser without a visible window. Configuring Capybara Configure the Capybara driver...
Whenever requires you to set the application attribute in your Capistrano configuration. Otherwise your cronjobs are created multiple times.
Liquid Prompt gives you a nicely displayed prompt with useful information when you need it. It shows you what you...
When deploying a Rails application that is using Webpacker and Capistrano, there are a few configuration tweaks that optimize the...
The linked blog post contains some background information about the alt attribute and the figure / figcaption element. It is interesting...
Why improve your code reviews? Improving code review technique helps your reviewer, your team, and, most importantly: you.
Sometimes you accidentally generate entries in the bash history that you do not want to have there (e.g. commands with...
This card is mainly an explanation how variable fonts work in CSS, not necessarily a recommendation to actually use them...