Code With Rails

Rails 8.2 adds routing, request, and test support for HTTP QUERY, the new safe and idempotent verb with a request body.

A recent Rails addition lets in_order_of group several values into one sort position.

Rails 8.2 adds f.datalist to FormBuilder, so you can wire a text input to a native HTML autocomplete list with zero JavaScript and no derived-id bookkeeping.

A Rails test fixture accessor that returns an empty Array instead of a record, flaky between local and CI.

Show users live progress on long-running background jobs using Rails 8.1's structured event reporter and Active Job Continuations, with no polling and no per-job broadcast wiring.

Build per-plan API rate limits (free, pro, enterprise) using Rails 8.2's dynamic rate_limit options, with no Rack::Attack or custom middleware.

Use Rails 8.1's new job continuations to build a CSV import that survives worker restarts, picking up at the exact row it left off.

Stop manually coercing form params to JSON types.

An upcoming Rails change adds ActiveSupport notifications for CSRF events, giving you visibility into attack attempts and failed validations.

Use retry_on's new error argument in Rails to build retry strategies that respect Retry-After headers, handle transient failures, and discard_on unrecoverable errors.

Detect identical file uploads and reuse existing ActiveStorage blobs.

Skip LaunchDarkly and Flipper.

Build a per-tenant configuration system using Rails 8.2's CombinedConfiguration.

Rails 8.2's new credentials API isn't just for secrets.

Build server-rendered countdown timers that update in real-time using Rails 8's new relative_time_in_words helper and Turbo Streams.

Rails 7.2 changed how database connections are managed, causing a 5-6% performance regression for some apps.

Rails 8.2 adds Rails.app.revision for deployment tracking, error reporting, and cache busting.

Rails adds a convenient method to extract bearer tokens from the Authorization header in API requests.

Rails 8.2 makes enqueue_after_transaction_commit the default.

Fix the Rails bug where accepts_nested_attributes_for allows duplicate records past scoped uniqueness validations.

Creating a recently viewed pages list can significantly enhance the user experience by providing easy navigation and a history of recently accessed content.

A step-by-step tutorial on how we extract code from our Rails app, package it into a gem, and publish it on RubyGems.org

Updating the mail gem breaks Mail#address_list - here's how to fix it.

Step-by-step guide to integrating FilePond's JavaScript file upload library with Rails Active Storage.

Learn how to use the Enumerator::product method for generating Cartesian products in Ruby 3.2.

Install Alpine.js in your Rails app and build flash messages, dropdowns, and modals alongside Turbo.

Set up user authentication in Rails using the Authentication Zero gem.

Learn when and how to safely delete old Rails migration files.

A step-by-step guide to containerizing your Rails development environment for consistent setup across teams.

Your PostgreSQL sequence is out of sync, causing false 'duplicate key value violates unique constraint' errors.