© 2026 Hashnode
Source: Methods to Move Cross-Cutting Logic Out of Controllers Without Building a Mystery Box You know the scene: three controllers, ten endpoints, and every method has repeated snippets for authentication checks, request validation, timing, metric...

Source: Methods to Prevent Duplicate Cron Execution Across Multiple Spring Boot Instances Modern cloud deployments scale application pods horizontally. A cron defined with Spring's @Scheduled suddenly runs N times — once per pod — unless you design...
