Showing Posts From
Framework
Jason Yang · 02 Jun, 2026
Optimistic locking in Spring Boot and JPA: how it works and how to make it production-ready with retries, backoff, jitter, observability, and fallback.
Framework
Jason Yang · 26 Jan, 2026
MapStruct is a compile-time mapping tool for Spring projects that reduces boilerplate, improves safety, and makes DTO mapping cleaner and more testable.
Framework
Jason Yang · 23 Jan, 2026
Pydantic v2 settings give you type-safe, environment-driven config. Covers default, default_factory, and FastAPI integration best practices.
Framework
Jason Yang · 22 Nov, 2025
Spring Boot 'required a bean of type String' error? It often hits when switching to constructor injection. How to correctly inject @Value into constructors.
Framework
Jason Yang · 22 Nov, 2025
Integrate Swagger (OpenAPI) into Spring Boot with springdoc: secure your endpoints with JWT auth and auto-generate the API docs.
Framework
Jason Yang · 05 Nov, 2025
React Query (TanStack Query) manages server state: smart query-key design, useQuery caching, and the 3-step optimistic update flow.
