2026

• 28 Sep Where Domain Roles Should Live: The Boundary Between the Authorization Server and the Resource Server
• 25 Sep Constraint Violations: Why the Database Still Gets the Final Say
• 31 Aug Idempotency: Why a Repeated Click Can Cost a Business Money
• 20 Aug Cache as a Pre-Filter Before a Database Constraint
• 13 Aug "Grouping SQL Queries" Is Not a Transaction Boundary. Here's the Real Criterion
• 26 Jul "The service is getting bloated" — move the logic into the entity? Here's the real criterion
• 16 Jul One-to-Many in Java: When a Collection in the Parent Is Justified — and When It Is Not
• 16 Jul Criteria for Placing Validation in an Application
• 04 Jun Why I stopped exposing Spring Pageable in application layer contracts
• 03 Jun JPA handles full graphs well. What about partial ones?