Focusing on Java backend development, covering application architecture from top-tier internet companies (high availability, high performance, high stability), big data, machine learning, Java architecture, and other popular fields.
This guide shows how to configure IntelliJ IDEA to automatically generate class and method Javadoc comments using File and Code Templates for classes and Live Templates for methods, including custom Groovy scripts for @param and @return annotations.
This article explains how a.equals(b) behaves with null and empty strings, compares it to Objects.equals, analyzes the underlying source code, and clarifies the difference between reference comparison (a==b) and logical equality (a.equals(b)) in Java.
This article introduces the Model Context Protocol (MCP), a universal standard that lets large language models seamlessly connect to databases, APIs, local files, and third‑party services, explains its architecture, core primitives, practical Python implementation, trade‑offs, security considerations, and how it compares with other integration approaches.
This guide walks through step‑by‑step how to prepare the environment, fine‑tune core Druid connection‑pool parameters, set up comprehensive monitoring, harden security, detect leaks, and apply advanced runtime optimizations to achieve stable, high‑throughput database access in Spring Boot applications.
This article surveys a curated list of twenty niche open‑source projects—from AI accelerators and vision libraries to lightweight servers and databases—detailing their core functionality, real‑world adoption, and GitHub repositories, illustrating how they collectively sustain large developer communities.
MyBatis-Flex is a lightweight, high-performance MyBatis enhancement offering flexible CRUD, advanced QueryWrapper, extensive database support, and benchmarked speeds up to ten times faster than MyBatis-Plus, with a step-by-step quick-start guide covering table creation, Maven setup, Spring Boot configuration, entity mapping, and usage examples.
IntelliJ IDEA 2025.3 introduces a unified distribution, extensive Spring and language support, improved Git integration, terminal and build tool enhancements, better web development handling for large monorepos, and numerous performance optimizations, all while fixing over 800 issues across the IDE.
This article dissects the core architecture of a miniature ride‑hailing platform, covering domain‑driven design, layered microservice structure, Redis GEO for fast location queries, distributed locking, Netty‑based real‑time messaging, and hot‑cold data separation to handle massive traffic and ensure reliability.
This article explains why permission management is essential, outlines basic RBAC concepts, explores role inheritance, constrained RBAC, user groups, organizations, and positions, and presents detailed table designs for both standard and ideal RBAC models, complete with diagrams.
This guide explains what mvnd is, how to download and install it, configure Maven and environment variables, fix PowerShell encoding issues, and presents a detailed performance comparison showing multi‑module builds can be up to 5.5× faster than using traditional Maven.
