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 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.
This article explains what circular dependencies are in Spring, how the framework detects them using a three‑level cache during bean creation, and walks through a step‑by‑step example of resolving a setter‑injected circular reference between two beans.
This article explains why retrieving Spring beans from classes not managed by Spring can cause NullPointerExceptions and failed autowiring, demonstrates two code examples—using a utility class and @Autowired in a plain class—and recommends registering such classes as Spring components to ensure proper dependency management.
Learn step‑by‑step how to create a Spring Boot multi‑module Maven project, from designing the parent and child module structure, configuring pom.xml files, writing simple application and controller code, to building and running the modules with Maven commands.
This article walks through adding a creator‑province dropdown filter to a to‑do list page, updating both front‑end components and back‑end APIs, handling status count changes, implementing reset logic, and debugging a pagination bug caused by incorrect start‑row calculations.
