Sharing Java development articles and resources, including SSM architecture and the Spring ecosystem (Spring Boot, Spring Cloud, MyBatis, Dubbo, Docker), Zookeeper, Redis, architecture design, microservices, message queues, Git, etc.
This article reviews the most popular front‑end GitHub repositories of September, summarizing each project's purpose, how to get started, key features, and the number of stars they earned, providing developers with a curated list of useful open‑source tools.
Understanding the seven common behaviors of inexperienced developers—such as massive code submissions, poor code quality, multitasking, arrogance, ignoring feedback, handling personal matters at work, and chasing every tech trend—helps you avoid repeating these mistakes and advance your software engineering career.
The article investigates recent tests showing that Google Gemini sometimes claims to be Baidu's AI, reproduces Baidu‑related responses, and appears to have its Chinese and English corpora contaminated with competitor data, highlighting the challenges of data provenance in large language models.
This article explains the evolution of software architecture—from monolithic to distributed, microservice, and serverless designs—highlighting each model's advantages, drawbacks, and suitable scenarios to help developers make informed technology and career decisions.
This article introduces the open‑source system‑design‑101 repository, explaining why learning system design matters, and walks through essential topics such as API performance, the CAP theorem, caching strategies, microservice best practices, and secure password storage, with links to video courses and the project’s GitHub address.
dperf, Baidu’s open‑source DPDK‑based tool, delivers ultra‑high‑performance network testing by generating up to ten million HTTP connections per second, hundreds of gigabits of throughput, and detailed per‑second statistics, with step‑by‑step guidance on environment setup, compilation, and execution.
This guide explains how to implement dynamic data source switching in SpringBoot by leveraging ThreadLocal and AbstractRoutingDataSource, covering basic concepts, code examples for context holder, routing datasource, configuration, annotation‑driven switching, and runtime addition of new data sources with practical testing steps.
This guide explains how Spring Boot 3.2 leverages the OpenJDK CRaC project to create and restore JVM checkpoints, dramatically reducing application startup time through automatic and manual checkpoint techniques, complete with required dependencies, installation steps, and performance results.
This article explains the concept of idempotency, outlines common strategies, and provides a complete Spring Boot implementation that uses Redis, a custom @AutoIdempotent annotation, token generation, and a web interceptor to ensure each API request affects the database only once.
Graceful Response is a Spring Boot component that unifies response wrapping, global exception handling, and custom error codes, helping developers reduce boilerplate, improve readability, and accelerate API development while supporting validation and customizable response styles.
