Dedicated to sharing programmer-architect skills—Java backend, system, microservice, and distributed architectures—to help you become a senior architect.
This guide explains how to integrate asyncTool into a Spring Boot project, configure custom thread pools, understand core interfaces like IWorker and ICallback, and implement serial, parallel, and mixed task flows with detailed code examples and best‑practice considerations.
This guide explains how to replace static custom‑annotation permission checks in Spring Boot with flexible SpEL expressions, covering annotation design, aspect definition, expression parsing, context setup, and practical usage examples for various access scenarios.
Amid China's push for independent, cloud‑native databases, leading firms like Tencent, Alibaba, Huawei and others have built PostgreSQL‑based solutions, and this article analyzes why PostgreSQL’s richer data types, true sequence objects, extensible ecosystem, advanced replication and licensing advantages make it a preferred choice over MySQL.
This guide reviews essential IntelliJ IDEA plugins for Java/Spring developers in 2025, detailing each plugin’s core features, installation steps, configuration tips, and trade‑offs, helping you streamline navigation, code generation, UI theming, AI assistance, and debugging while keeping performance impact low.
This article explains how the open‑source Guardian starter provides a lightweight Spring Boot solution for anti‑repeat submission and API rate limiting, covering dependency setup, annotation and YAML configuration, key generation strategies, response handling, concurrency safety, extensible architecture, monitoring endpoints, and deployment options.
This guide explains four ways to revert code that has already been pushed to a remote Git repository—including manual comparison, using git revert, creating a new branch, and resetting with various options—detailing their steps, advantages, and cautions.
A collection of industry voices explains why many developers now reject traditional interview coding challenges, highlighting the mismatch between real‑world work, the limited value of algorithm quizzes, and how such tests often favor test‑taking over genuine problem‑solving ability.
WeKnora is a Tencent‑open‑source LLM‑based document understanding and semantic search framework that extracts structured content from PDFs, Word files and images, offers agent‑driven reasoning, multi‑modal retrieval, and a modular architecture, with step‑by‑step Docker deployment and a web UI for instant querying.
Facing slow page loads in a legacy WAF reporting system, we dissected a 1000‑line Java method, introduced hourly aggregation, Redis auto‑increment counters, and scheduled synchronization, eliminating costly SQL scans and achieving sub‑second queries on 1.5 million logs, while outlining remaining optimization opportunities.
This article explains why adding Redis alone may still be slow, introduces a three‑level cache pyramid (Caffeine L1, Redis L2, DB L3) built with Spring Boot 3, and provides complete configuration, code, warm‑up, monitoring, and benchmark results that reduce response time from 28 ms to 2 ms while cutting CPU usage by 35%.
