Focused on Java interview questions and practical article sharing, covering algorithms, databases, Spring Boot, microservices, high concurrency, JVM, Docker containers, and ELK-related knowledge. Looking forward to progressing together with you.
GitButler, an open‑source Git client built with Tauri, Rust, and Svelte, lets users organize multiple branches, drag‑and‑drop commits, integrate with GitHub, manage SSH keys, and leverage AI‑generated messages, with detailed usage guidance and screenshots for macOS and Linux users.
This article breaks down the interview focus on Java's String, StringBuilder, and StringBuffer, explaining their mutability, thread‑safety, performance trade‑offs, core APIs, and best‑practice scenarios, while providing code examples and a concise comparison table for developers.
This article explains the interview focus on MyBatis placeholders, detailing the syntax, security implications, performance differences, appropriate scenarios, best‑practice guidelines, common pitfalls, and provides concrete code examples to help candidates master #{} and ${} usage.
This article introduces Guardian, a lightweight Spring Boot starter that provides anti‑duplicate‑submission protection and request rate limiting, explains how to integrate it via Maven, configure it with annotations or YAML, and details its internal workflow, storage options, concurrency handling, and monitoring capabilities.
MySQL 8.2 introduces native read/write splitting via MySQL Router, allowing automatic routing of reads to replicas and writes to the primary source; this guide shows how to set up a simple InnoDB ReplicaSet, configure Router, verify traffic flow, and leverage access mode commands for fine‑grained control.
This article examines Spring's common dependency injection methods, compares @Autowired and @Resource annotations, outlines the pros and cons of constructor, setter, and field injection, highlights the drawbacks of field injection, and explains why IntelliJ IDEA only flags @Autowired with a warning.
This article explains the interview focus points for RocketMQ ordered messages, details the partition‑ordered model and its two‑step guarantee mechanism, provides in‑depth analysis of producer and consumer processes, includes full Java code examples, and outlines best practices, pitfalls, and common misconceptions.
This guide shows how to use Canal to capture MySQL binlog changes, forward them through RabbitMQ, and process them in a SpringBoot application, providing a clean, decoupled way to record both new and old data for insert, update, and delete operations.
IntelliJ IDEA 2026.1 EAP 3 introduces a long‑awaited feature that sends deleted files to the system recycle bin instead of permanently erasing them, addressing a six‑year‑old issue, comparing it with other editors, outlining its advantages, and summarizing dozens of other notable IDE improvements.
This article recounts a developer’s experience joining a small logistics startup in 2022, detailing the initial technology selection of uni‑app, egg.js, MySQL and antd‑vue, the subsequent adjustments, hiring and team‑management challenges, and practical advice for avoiding common pitfalls in early‑stage companies.
