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 how to design a standardized JSON response format for Java back‑end APIs, introduces a Result wrapper class, and shows how to automate response wrapping using a custom @ResponseResult annotation, interceptors, and Spring's ResponseBodyAdvice for cleaner, more maintainable code.
This tutorial walks you through adding Spring Security to a Spring Boot project, from adding the starter dependency and creating a simple controller to observing the default login page, understanding the auto‑generated password mechanism, and customizing usernames and passwords for production use.
This article explores the major Java 17 language enhancements—including records, sealed classes, pattern matching, text blocks, var, and the new switch expression—showing how they reduce boilerplate, improve readability, and boost performance compared to legacy Java 8 code.
This article examines the newly released 2025 Internet Company Work‑Hour Rankings, explains how weekly work hours are calculated, and highlights DJI’s recent "no overtime" initiative, offering a data‑driven perspective on employee time management across Chinese tech firms.
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.
