The ActiveSupport::BroadcastLogger allows you to log to multiple sinks. You know this behavior from from the rails server command...
I recently stumbled upon the Rails feature composed_of. One of our applications dealt with a lot of addresses and...
esbuild comes with a minifier that is good enough for most cases. If you're looking to squeeze out as...
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...
There are different kind of memory measurement metrics in Linux. These are the differences: Code Name Description vsz virtual memory...
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...
If you want someone to be able to access your rails console, but don't want them to be able...
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:) %>
While the Software Design Basics card tried to make a point about writing self explanatory code, it's still...
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...