tl;dr In the Elements tab in the Chrome DevTools you can right click on an element and select Store...
ActiveType::Object inherits from ActiveRecod::Base and is designed to behave like an ActiveRecord Object, just without the database...
If you're experiencing that your bundle install command fails with an error message like this, rubygems.org might...
Unpoly's [up-observe], [up-autosubmit] and [up-validate] as well as their programmatic variants up.observe() and up.autosubmit...
tl;dr Since Rails 7+ you can use ComparisonValidator for validations like greater_than, less_than, etc. on dates, numerics...
You can use ETags to allow clients to use cached responses, if your application would send the same contents as...
Here are a few common patterns that will probably lead to flaky specs. If you notice them in your specs...
tl;dr In RubyMine you can use find and replace with capture groups (.*?) and backreferences $1 (if you have several...
The robots.txt file and HTML tag can be used to control the behavior of search engine crawlers. Both have different...
Ruby's standard library includes a class for creating temporary directories. Similar to Tempfile it creates a unique directory name...
tl;dr Since Rails 6+ you can use before? and after? to check if a date/time is before or after...
To allow HTTP 304 responses, Rails offers the fresh_when method for controllers. The most common way is to pass...
For Rails models where only one of multiple attributes may be filled out at the same time, there is no...
When you build a JSON API you need to come up with a style to represent attributes, pagination, errors or...
Greg Molnar has written a neat article about creating a single-file Rails app. This is not meant for production...
Note Use yarn dedupe in Yarn v2+: https://yarnpkg.com/cli/dedupe This package only works with Yarn v1. Yarn v2 supports...
tl;dr The :is() pseudo selector - specificity of its most specific argument - matches against a comma-separated list of selectors...
tl;dr The :where() pseudo selector - zero specificity - matches against a comma-separated list of selectors. Example Compound selectors like...
When your Rails application offers downloading a bunch of files as ZIP archive, you basically have two options:
The linked content includes a few design patterns implemented with Ruby on Rails. What is the card indented to achieve...
These are the results of the "personal tech stack survey". I've included only the most popular mentions, maybe it...
The inset CSS property is a shorthand that corresponds to the top, right, bottom, and/or left properties. It has the...
SELECT pg_size_pretty(pg_database_size('some-database')); Example SELECT pg_size_pretty(pg_database_size('cards_p')); ----------------
Ruby includes many standard gems that are bundled into the Ruby installation. Here is an example for the gem strscan...