Top Architect focuses on sharing practical architecture knowledge, covering enterprise, system, website, large‑scale distributed, and high‑availability architectures, plus architecture adjustments using internet technologies. We welcome idea‑driven, sharing‑oriented architects to exchange and learn together.
This article provides a comprehensive overview of microservice architecture, outlining its core goals, design principles, and a wide range of decomposition, integration, database, event‑driven, observability, and cross‑cutting concern patterns, complete with practical examples and diagrams.
This article explains how the Guardian Spring Boot starter provides a lightweight solution for preventing duplicate API submissions and applying rate‑limiting, covering Maven dependencies, annotation and YAML configurations, key generation strategies, response handling modes, Redis versus local storage, context‑path compatibility, concurrency safety, and built‑in monitoring features.
JetBrains AIR transforms AI‑assisted programming from an optional add‑on into the core workflow of a brand‑new IDE, offering a three‑step process for installing, defining tasks, and reviewing AI‑generated code while providing configurable permissions, parallel task execution, and extensible MCP integration.
This guide introduces the open‑source ModernWMS warehouse management system, lists required Linux and Windows environments, and provides step‑by‑step commands for compiling the frontend and backend, setting up .NET and Node.js, configuring Nginx, and deploying the application via Docker.
The article explains how excessive if‑else branching in backend services leads to fragile code, introduces a workflow engine and plugin extension mechanism to isolate business logic, shows concrete configuration and execution steps using the open‑source MemberClub project, and provides the full Java implementation of the FlowChain executor.
This article walks through the business scenarios for QR codes, evaluates Java libraries, provides a reusable utility class, and demonstrates step‑by‑step code for creating plain, parameterized, and logo‑embedded QR codes while sharing best‑practice tips and common pitfalls.
This article explains the design, principles, components, database schema, configuration, and usage of a generic asynchronous processing SDK that leverages Spring AOP, transactional events, Kafka, and a Vue UI to achieve reliable async execution and eventual consistency in Java backend systems.
A mysterious payment failure where orders appeared successful but were never persisted was traced to a missing transaction commit in a special code path, leading to polluted connections that silently broke subsequent transactions, and the article explains the root cause, debugging steps, fix, and preventive measures.
IntelliJ IDEA 2026.1 EAP 3 introduces a major usability change by sending deleted files to the system recycle bin instead of permanently erasing them, addressing a six‑year‑old issue and offering safer file recovery while also delivering numerous other Spring, Java, Kotlin, editor, AI, platform, and performance enhancements.
This guide shows how to view a Maven project's dependency tree using IDEA, the command line, or the Maven Helper plugin, identify version clashes by examining groupId and artifactId, and resolve them with exclusion tags or dependencyManagement entries.
