ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Switch Composer to classmap-authoritative mode to eliminate filesystem scans during class loading in production. This guide covers enabling the setting, regenerating the optimized autoloader, verifying the classmap covers all classes, and rollback steps if dynamic class discovery breaks.
Zeitwerk is Rails 6+ autoloading’s answer to stale constants and ambiguous loads. Learn how to enable it, set up a simple model, and avoid common pitfalls in this practical guide.
Learn how to configure Composer’s PSR‑4 autoloading for instant class availability in dev and optimized class‑map lookups in prod, with verification steps and failure‑mode guidance.
Learn how to configure Composer's PSR-4 autoloader, verify it works with a test class, and avoid frequent mistakes like missing dump-autoload or case mismatches.
Stop fighting 'Class not found' errors. Learn when to use PSR-4 for dynamic development and when to leverage Classmaps for production performance in PHP.
composer
php
rails