Added a section about remote debugging.
If you use the selenium-webdriver gem, it will sneakily phone home once every hour whenever you run a browser...
Most of our CI pipelines don't use the --retry flag for Cucumber and instead build their own retry via...
Short reference on how to quickly debug the vanilla Rails job adapters. Queue Adapters by Environment Environment Adapter
I recently had to update a few selective npm libraries in a project that uses pnpm to apply a CVE...
Sometimes you have a maintenance script where you want to iterate over all ActiveRecord models. Rails provides this out of...
When creating a database table for a join model without further importance, you can use Rails' create_join_table:
It's not possible to use variables in media queries with plain CSS. @media (max-width: var(--some-pixel-size...
When you query the browser for DOM elements, there are some footguns you should know about. Some lists are synchronized...
A simple web tool for generating lighter (tints) and darker (shades) versions of any HEX color value. Tip
Finding changes When you're looking for a specific change in Git, there are multiple axes you can choose:
Follow the installation guidelines at https://mise.jdx.dev/getting-started.html. Remove rbenv configuration Search for rbenv config in .bashrc and...
When your Rails application is using Redis as its cache store, this is how you can list existing keys:
When you replace parts of the DOM with new HTML, using .innerHTML = newHtml is usually the simplest and fastest option...
Compatibility: Angular 20+ with Jasmine 5.x and Karma 6.x As a default Angular CLI auto-generates test bootstrap...
You want to prevent input to a form field, but all the solutions have side effects: The [readonly] attribute is...
The File System Access API is a new capability of modern browsers that allows us to iterate over selected folders...
Most of the time, it's a good default to add a unique index on the foreign key when using...
Enable local logging for Sentry when: Debugging Sentry event capture locally Testing error handling without polluting production metrics Developing background...
Full-text search can reach its limits in terms of flexibility and performance. In such cases, trigram indexes (pg_trgm...
Quick reference for passing data from Rails to JavaScript via Unpoly compilers. Haml Attribute Syntax # Ising hash rockets and string...
Quick guide for frequently used compiler selector patterns of Unpoly. 1. BEM Component Pattern When: Reusable UI components with multiple...
Performing COUNT(*) on large tables is slow. Sometimes you don’t need the exact number once results exceed a certain...
When RSpec sets out to print any given object to the console, it will never print more than 200 characters...