I just finished migrating a project from the Asset Pipeline to Webpacker, this is what my diff to master looks...
In case Ruby does not detected the expected encoding of a file automatically you can specify the known encoding manually...
In my experience, the most common sources of memory leaks are APIs like these: addEventListener. This is the most common...
In Ruby you can communicate between processes with sockets. This might be helpful in tests that validate parallel executions or...
The Truemail gem (not to be confused with truemail.io) allows validating email addresses, e.g. when users enter them into a...
The ExceptionNotification has plugins that talk to external APIs rather then just sends emails, like microsoft teams or slack. You...
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...
When testing with Cucumber / Caypbara, iframes are ignored, so you can't interact with them. To interact with your iframe...
Ruby's String#split returns an array of substrings from the given string. Usually, this is missing the split characters...
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.
Using Ruby 1.8.7 you will not be able to use the maximum versions Rubygems 1.8.30 and Bundler 1.17.3 with https://...
Feature Queries (Edge 12+): Similar to @media queries, @supports blocks can be scoped to browsers that support a given declaration...
When deploying a Rails application that is using Webpacker and Capistrano, there are a few configuration tweaks that optimize the...
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...
Getting the whole bucket size aws s3 ls s3://$BUCKETNAME/ --recursive --human-readable --summarize | tail -n2 Tail is used because...
Git diffs show the surrounding contexts for diff hunks. It does so by applying regular expressions to find the beginning...
You need to install the official plugin, it is not bundled with RubyMine by default. Example: Setup a watcher...
The linked article compares two approaches for writing CSS: A component library (like BEM) Utility classes (like Tailwind)
Terminator has a cool feature that allows you to split your terminal into many panels and type in all of...
Scroll and touch event listeners tend to be computationally expensive as they are triggered very often. Every time the event...