Focused on Java technologies: SSM, the Spring ecosystem, microservices, MySQL, MyCat, clustering, distributed systems, middleware, Linux, networking, multithreading; occasionally covers DevOps tools like Jenkins, Nexus, Docker, ELK; shares practical tech insights and is dedicated to full‑stack Java development.
This comprehensive 2025 guide explains how to identify temporary versus permanent WeChat bans, walk you through the four‑step self‑unblock process, detail the required materials for manual appeals, and provide troubleshooting tips and long‑term protection strategies to safely recover your account.
Learn how to set up Graylog for centralized log aggregation using Docker‑Compose, configure its inputs, and seamlessly integrate it with a Spring Boot application via Logback‑GELF, including necessary code snippets, configuration files, and query examples for efficient log searching.
This article explains why the @Transactional annotation fails in multithreaded Spring batch insert scenarios, demonstrates the problem with code examples, and shows how to use SqlSession for manual commit and rollback to guarantee atomicity across all threads.
This article walks through essential JVM memory and garbage‑collection settings, explaining each flag—such as -Xms, -Xmx, -XX:NewSize, and GC options—through a concrete example on an 8 GB server, and provides a complete command line configuration for optimal performance and OOM diagnostics.
A 90‑born programmer created illegal video‑transfer software that bypassed watermark and originality checks on platforms like TikTok and Kuaishou, earning over 7 million yuan in less than a year before being sentenced to three years in prison, highlighting a criminal supply chain in China’s short‑video industry.
This article explains Aspect Oriented Programming, contrasts it with Object Oriented Programming, illustrates cross‑cutting concerns with real‑world examples, and provides a step‑by‑step guide—including Maven dependencies, annotation definitions, and execution expressions—to implement AOP in a Spring Boot application.
This guide shows how to combine MyBatis-Plus dynamic data source routing with ShardingSphere-JDBC for horizontal sharding and read‑write splitting, including Maven dependencies, YAML configuration, Spring bean setup, and a custom load‑balancing algorithm to keep @DS annotations functional.
This article provides a concise overview of the most commonly used annotations in MyBatis, Spring MVC, Spring, SpringBoot, and Lombok, explaining their purposes and typical usage scenarios for Java backend development.
This article explains the improvements of the RAR5 archive format over RAR4 and provides a step‑by‑step guide, including Maven dependencies and full Java source code, for extracting RAR5 files using the java‑unrar and SevenZipJBinding libraries.
This article explains why using raw Java NIO for network communication is problematic, highlights Netty's advantages such as simplified APIs, high performance, and extensive adoption, and provides a complete server‑client demo with detailed code and design insights.
