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1. adaptroute adaptroute Public

   AdaptRoute: A Policy-Driven Middleware Framework for Multi-Protocol Message Broker Selection in Spring Boot Microservices

   Java

2. jpa-locking jpa-locking Public

   Optimistic vs pessimistic locking in JPA - preventing the lost update problem

   Java

3. n-plus-one-problem n-plus-one-problem Public

   Demonstrates N+1 query problems and all fetch strategy solutions with Spring Boot + JPA/Hibernate. Tests prove the problem before showing each fix.

   Java

4. pipetune pipetune Public

   PipeTune: LLM-Driven Cross-System Configuration Optimization for Multi-Component Data Pipelines (IEEE BigData 2026)

   Python

5. spring-transactional spring-transactional Public

   @Transactional demystified - every attribute explained with working tests

   Java

6. database-indexes-explained database-indexes-explained Public

   Postgres B-tree, composite, and partial indexes proved with EXPLAIN ANALYZE on a 500k-row Spring Boot + Testcontainers demo. Tests parse the JSON plan tree and assert which index the planner picks.

   Java