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Software Development👁 Image
The Importance of Maintaining a Project Management Database
Most dev teams manage project data across three or four overlapping systems: a spreadsheet for resource tracking, a Jira board…
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Enterprise Java👁 spring-interview-questions-answers
Spring AI 2.0 + MCP: Building a Tool-Calling Agent in 50 Lines
Spring AI 2.0-M6, shipped May 8, 2026, is the milestone where building an MCP tool-calling agent in Java stops feeling…
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Core Java👁 Image
Virtual Thread Pinning: The Silent Performance Killer in Your Codebase
Virtual threads promise to make blocking I/O cheap. And they do — as long as they can actually unmount from…
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Core Java👁 Image
Records in Production: Where They Shine and Where They Silently Fail
Records are one of the most genuinely useful additions to modern Java. They eliminate boilerplate, communicate immutability at the type-system…
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Enterprise Java👁 spring-interview-questions-answers
Why Your Integration Tests Are Slower Than They Should Be: The Spring Context Cache You Don’t Know You’re Misusing
Every JCG article recommends @SpringBootTest for integration testing. Almost none explain the context cache model underneath it — how a single misplaced @DirtiesContext,…
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Core Java👁 Image
The Split-Brain Problem in Plain English — And the Three Ways Your Distributed Cache Handles It Wrong
Redis Sentinel, Hazelcast, and Infinispan all have split-brain documentation. None of them tell you what your Java code silently observes…
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Core Java👁 Image
ThreadLocal Is a Memory Leak Waiting to Happen With Virtual Threads — Here’s the Proof
ThreadLocal was designed for a world of 200 pooled platform threads living for the life of an application. Virtual threads…
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Software Development👁 Image
Idempotency Keys Are Harder Than They Look: The 5 Failure Modes Nobody Talks About
Every payment guide, every microservices tutorial, and every distributed-systems primer tells you the same thing: make your endpoints idempotent. Add…
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Software Development👁 Image
Vibe Coding Goes Wrong: What AI-Generated Code Actually Breaks in Production
AI coding tools promise to ship features faster than ever before. And in many ways, they deliver — until something…
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