I have a form with a dynamic number of fields. Submitting it worked fine until I tried out a very...
The :test adapter doesn't respect limits_concurrency configuration. Switch to :solid_queue adapter in your test to verify blocking...
If you use the selenium-webdriver gem, it will sneakily phone home once every hour whenever you run a browser...
Short reference on how to quickly debug the vanilla Rails job adapters. Queue Adapters by Environment Environment Adapter
Sometimes you have a maintenance script where you want to iterate over all ActiveRecord models. Rails provides this out of...
When you query the browser for DOM elements, there are some footguns you should know about. Some lists are synchronized...
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...
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...
I had to modify the time for an application that I launch through Docker. Here is an approach that worked...
GoodJob and ActiveJob rescue exceptions internally, preventing exception_notification from triggering. This can cause silent job failures.To get notified, subscribe...
prettier calls itself an opinionated code formatter. I recommend using it for your JavaScript and TypeScript code. prettier only concerns...
There's a method Integer() defined on Kernel, that typecasts everything into an Integer. Integer("2") # 2 Integer("foo") # Invalid...
Rails log files rotate automatically when they reach approx. 100MB: $ ls -lh log/ -rw-r--r-- 1 user group 55M...
If you run a Rails app that is using Turbo, you might observe that your integration tests are unstable depending...