If your rubocop run fails with a stack like rubocop-1.61.0/lib/rubocop/server/socket_reader.rb:36:in `ensure in read!': undefined method `string...
The :test adapter doesn't respect limits_concurrency configuration. Switch to :solid_queue adapter in your test to verify blocking...
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...
Finding changes When you're looking for a specific change in Git, there are multiple axes you can choose:
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...
Full-text search can reach its limits in terms of flexibility and performance. In such cases, trigram indexes (pg_trgm...
When RSpec sets out to print any given object to the console, it will never print more than 200 characters...
The linked tool can be used to scan your CI/CD workflows for potential security issues and suboptimal defaults if they...
In Rails 8 the behavior of the rails db:migrate command has changed for fresh databases (see PR #52830).
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...
If you run a Rails app that is using Turbo, you might observe that your integration tests are unstable depending...
GitLab has a RubyMine plugin that enables you to review and process merge requests within RubyMine! Setup Open RubyMine settings...
The linked MDN article is quite informative of a neat feature supported by all major browsers: Unicode character class escape...
When RSpecs runs the first feature spec, you may see log output like this: Capybara starting Puma... * Version 6.5.0, codename...
ActiveRecord computes table names of model classes, and results are usually just like you'd expect. Adding a prefix for...
Currently we often use geordi to run cucumber and rspec tests. Geordi takes care of installing a matching chromedriver for...
In Rails 7.2. the feature ActiveRecord.after_all_transactions_commit was added, for code that may run either inside or outside...
In Rails 7.2 the new default for config.action_dispatch.show_exceptions is rescuable. :rescuable: It will show a Rails error page in...
Frontend performance and user experience are orthogonal to feature development. If care is not taken, adding features usually degrades frontend...
Modern CSS offers the field-sizing property to allow elements to automatically adjust size (width and/or height) to fit their...
You can report CSP violations to Sentry. Within config/initializers/content_security_policy.rb: Rails.application.configure do config.content_security_policy do |policy| # Settings for the policy...