Terser is a really good minifier ("compressor") for JavaScript code. I'm often surprised by the thoughtfulness of its compressed...
testing-library are widely used testing utilities libraries for javascript dependent frontend testing. The main utilities provided are query methods...
It's possible to implement simple custom RuboCop cops with very little code. They work exactly the same like existing...
Sometimes we have to write code that behaves differently based on the version of a specific gem or the Ruby...
I recently stumbled over a quirk in the way Ruby handles local variables that I find somewhat dangerous. Consider:
tl;dr To adjust code templates in RubyMine, navigate to Settings -> Editor -> File and Code Templates. Example You can navigate...
I was recently asked to optimize the response time of a notoriously slow JSON API endpoint that was backed by...
Modern JavaScript includes Intl.NumberFormat to format numbers in different formats and locales. In this card, we describe a wrapper for...
This card shows an uncommon way to retrieve a file using selenium where JavaScript is used to return a binary...
Debouncing a method call delays its execution until after a specified time has passed. If it's called again before...
You might know a few examples, where you configure some library via a block. One example is the Rails configuration...
This cards describes an example with a Github Client on how to keep your Rails application more maintainable by extracting...
Fresh Chrome installations now show a "Choose your search engine" popup in Europe. This might make your Cucumber tests fail...
ActiveModel classes have a class method .human_attribute_name. This returns a human-readable form of the attribute: Person.human_attribute...
I used two lab days to read the The framework field guide - Fundamentals, the first of a three part series...
In Rails 7.1 it has become possible to annotate partials with the locals they expect: # partial _user_name.erb <%# locals: (user:) %>
Your commit messages should include the ID of the issue your code belongs to. Our preferred syntax prefixes the issue...
When making requests using the http gem you might want to automatically follow redirects to get the desired response. This...
Debugging performance issues in your Rails app can be a tough challenge. To get more detailed insights consider using the...
A common cause of non-accessible web pages are elements that were made interactive via JavaScript but cannot be focused...
I recently noticed a new kind of flaky tests on the slow free tier GitHub Action runners: Integration tests were...
Usually our code lives on GitLab, therefore our documentation for CI testing is extensive in this environment. If you are...
tl;dr We recommend configuring Selenium's unhandled prompt behavior to { default: 'ignore' } with the monkey patch below.
A Rails script lives in lib/scripts and is run with bin/rails runner lib/scripts/.... They are a simple tool to perform...