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 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.
This article explains Netty's internal mechanisms for buffering outbound data, flushing it to the network, handling inbound responses with NIO selectors, outlines the overall Netty workflow, and clarifies the roles of Backlog and KeepAlive parameters in TCP connections.
According to Stack Overflow’s 2025 Developer Survey of over 90,000 participants, JavaScript remains the most popular language, PostgreSQL tops databases, Node.js and React dominate web frameworks, Visual Studio Code leads IDE usage, while ChatGPT and GitHub Copilot are the preferred AI tools, with developers expecting AI to reshape workflows within a year.
This guide explains how to improve Spring Boot configuration management by mapping external properties to Java enums using @ConfigurationProperties, demonstrating a complete example with Maven dependencies, YAML settings, enum definitions, configuration classes, a controller, and a Thymeleaf view to achieve flexible and readable code.
This guide explains two straightforward steps to load external JAR files into the JVM and make Spring Boot scan them, covering three implementation options—extending the classpath, using Spring Boot’s loader.path parameter, and creating a custom classloader—along with configuration details, Maven settings, and runtime considerations.
This guide explains WeChat’s hidden “recover” function, its official purpose and limitations, step‑by‑step recovery methods via search or settings, practical tips, backup strategies, user‑tested success rates, and the risks of third‑party tools, helping users safeguard and restore chat data.
This comprehensive guide explains WeChat's risk‑control logic, details every step from detecting a restriction to completing the unblocking process, decodes common error codes, provides appeal material templates, and offers post‑unblock prevention tips to help users reliably restore their accounts.
