Focus on Java-related technologies: SSM, Spring ecosystem, microservices, MySQL, MyCat, clustering, distributed systems, middleware, Linux, networking, multithreading. Occasionally cover DevOps tools like Jenkins, Nexus, Docker, and ELK. Also share technical insights from time to time, committed to Java full-stack development!
In a recent interview question about placing authentication tokens in Redis, experts debate the trade‑offs between pure JWT statelessness and Redis‑backed session control, covering security risks, performance, token revocation, sliding expiration, and practical implementation guidelines.
The article explains how integrating Arthas with the Model Context Protocol (MCP) enables AI to automatically execute Java diagnostic commands, analyze results, and provide concrete remediation steps, dramatically simplifying online incident resolution for developers and operations teams.
The article traces the 40‑year journey from plain‑text .txt files to rich‑text .doc and HTML, explains how Markdown’s minimalist design solves long‑standing formatting and version‑control problems, and shows why AI tools now prefer Markdown for token efficiency, structured semantics, and seamless configuration.
This article analyzes frequent misunderstandings about AGENTS.md files—such as treating them as encyclopedias, over‑explaining basics, bloating with full text files, poor structure, excessive permissions, and ineffective usage patterns—and provides concrete best‑practice recommendations to keep them concise, modular, and token‑efficient.
Maven 4 upgrades the POM model to version 4.1.0, introduces native flattening of consumer POMs, adds explicit artifact types for classpath control, renames modules to subprojects, and implements a tree‑based lifecycle for true parallel builds, dramatically improving build speed and clarity for modern Java projects.
This article introduces the awesome‑openclaw‑usecases GitHub repository, which curates over thirty practical AI‑agent workflows—spanning social media, creative projects, DevOps, productivity, research, and finance—and explains how to explore the markdown files and apply the examples to your own OpenClaw setup.
An online payment outage was traced to a forgotten transaction commit in a Spring service, leading to polluted connections that silently blocked subsequent orders, and the article explains the root cause, debugging steps, quick fix, and preventive measures to avoid similar bugs.
This article examines the eight most difficult IT companies to join in China, detailing each firm's interview structure, algorithm and system‑design challenges, engineering‑practice questions, and offers concrete preparation formulas for both campus and experienced candidates.
This article explains OpenClaw’s architecture—Agent, Memory, RAG, Function Calling, MCP, and Skills—through a story, diagrams, and code examples, showing how the open‑source framework turns large language models into autonomous, configurable agents that can run locally.
The article introduces TOON, a token‑oriented data format that cuts JSON token usage by 30‑60%, and explains how the veteran Java serialization library json‑io has added full TOON support, offering zero‑config, cyclic‑reference handling, and seamless Spring Boot integration for cost‑effective LLM applications.
