SpringMeng
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SpringMeng

Focused on software development, sharing source code and tutorials for various systems.

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Recent Articles

Latest from SpringMeng

73 recent articles
SpringMeng
SpringMeng
Mar 20, 2026 · Industry Insights

The 8 Hardest IT Companies to Join in China in 2026

This article ranks the eight most difficult Chinese IT firms to get hired by in 2026, detailing each company's interview pressure, technical depth, system‑design expectations, and the specific knowledge areas that candidates must master to succeed.

ByteDanceIndustry InsightsInterview
0 likes · 13 min read
The 8 Hardest IT Companies to Join in China in 2026
SpringMeng
SpringMeng
Mar 19, 2026 · Backend Development

Why kill -9 Is Wrong: A Graceful Shutdown Approach for Microservices

The article explains how to replace the blunt kill -9 command with a coordinated graceful shutdown process for Spring Cloud microservices, covering signal handling, Eureka cache nuances, actuator endpoints, Spring Boot 2.3 settings, custom shutdown endpoints, and strategies for Kafka, scheduled jobs, thread pools, and long‑running loops.

ActuatorGraceful ShutdownJava
0 likes · 16 min read
Why kill -9 Is Wrong: A Graceful Shutdown Approach for Microservices
SpringMeng
SpringMeng
Mar 15, 2026 · Backend Development

Boost Your Spring Boot APIs with a DIY Anti‑Duplicate and Rate‑Limiting Starter

Guardian is a lightweight Spring Boot starter that provides independent anti‑duplicate submission and rate‑limiting modules, offering annotation and YAML configuration, multi‑dimensional key scopes, customizable response modes, Redis or local storage, and built‑in monitoring, all illustrated with step‑by‑step code examples.

API protectionRate LimitingRedis
0 likes · 17 min read
Boost Your Spring Boot APIs with a DIY Anti‑Duplicate and Rate‑Limiting Starter
SpringMeng
SpringMeng
Mar 14, 2026 · Artificial Intelligence

How Do Skills, MCP, RAG, and Agents Relate in OpenClaw?

The article explains OpenClaw’s four‑layer architecture—Agent, Memory, RAG, and Skills—detailing how each component (including Function Call and MCP) works, how they differ from platforms like Dify, and provides practical security guidelines for running the open‑source AI agent framework.

AI agentMCPMemory
0 likes · 15 min read
How Do Skills, MCP, RAG, and Agents Relate in OpenClaw?
SpringMeng
SpringMeng
Mar 9, 2026 · Databases

10 Advanced MySQL Techniques to Supercharge Query Performance

This article walks through ten high‑level MySQL tricks—including EXPLAIN analysis, advanced indexing, window functions, CTEs, JSON handling, partitioning, join optimizations, user‑defined variables, online DDL, and generated columns—showing concrete examples, performance trade‑offs, and step‑by‑step guidance for turning slow queries into lightning‑fast operations.

CTEPartitioningPerformance
0 likes · 15 min read
10 Advanced MySQL Techniques to Supercharge Query Performance
SpringMeng
SpringMeng
Mar 7, 2026 · Artificial Intelligence

LangChain4j vs Spring AI: Which Java AI Framework Is Right for Your Project?

The article compares LangChain4j and Spring AI across design philosophy, core features, ecosystem integration, community maturity, and learning curve, providing concrete code examples, a feature‑richness matrix, and practical selection guidelines to help Java developers choose the most suitable AI framework for their needs.

AI frameworksAgentJava
0 likes · 15 min read
LangChain4j vs Spring AI: Which Java AI Framework Is Right for Your Project?