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IT Xianyu
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IT Xianyu

We share common IT technologies (Java, Web, SQL, etc.) and practical applications of emerging software development techniques. New articles are posted daily. Follow IT Xianyu to stay ahead in tech. The IT Xianyu series is being regularly updated.

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IT Xianyu
IT Xianyu
Mar 5, 2024 · Artificial Intelligence

Open-Source AI Platform A‑SOiD Enables Video‑Based Behavior Recognition and Prediction

Researchers from Carnegie Mellon University and the University of Bonn have released the open‑source A‑SOiD platform, which learns and predicts user‑defined behaviors solely from video, offering transparent, bias‑aware AI that can be applied to animal studies, human actions, and diverse pattern‑recognition domains.

AIbehavior recognitionmachine learning
0 likes · 6 min read
Open-Source AI Platform A‑SOiD Enables Video‑Based Behavior Recognition and Prediction
IT Xianyu
IT Xianyu
Jan 2, 2024 · Backend Development

Ensuring Transaction Consistency in Multithreaded Spring Applications Using Programmatic Transactions

This article explains how to execute two dependent tasks in parallel, guarantee their successful completion before a final step, and maintain transaction consistency across multiple threads in Spring by using CompletableFuture, programmatic transaction management, and a custom transaction‑resource copying mechanism.

CompletableFutureJavaProgrammaticTransaction
0 likes · 18 min read
Ensuring Transaction Consistency in Multithreaded Spring Applications Using Programmatic Transactions
IT Xianyu
IT Xianyu
Dec 18, 2023 · Frontend Development

Geeker-Admin: Open‑Source Vue3‑Based Backend Management Framework

Geeker-Admin is an open‑source admin panel built with Vue 3.3, TypeScript, Vite 5, Pinia and Element‑Plus, offering a rich ProTable component, dynamic routing, theme switching, i18n, extensive custom directives, and full linting and commit tooling for rapid frontend development.

Admin DashboardTypeScriptVite
0 likes · 4 min read
Geeker-Admin: Open‑Source Vue3‑Based Backend Management Framework
IT Xianyu
IT Xianyu
Dec 16, 2023 · Backend Development

Understanding CQRS and Event Sourcing with Spring Microservices

This article explains the CQRS pattern, its origins, benefits, and pitfalls, then details how to implement CQRS and event sourcing in Spring‑based microservices using Axon and Kafka, while discussing architectural considerations, scalability, consistency, and tooling.

ArchitectureAxonCQRS
0 likes · 12 min read
Understanding CQRS and Event Sourcing with Spring Microservices
IT Xianyu
IT Xianyu
Dec 12, 2023 · Backend Development

Implementing Dynamic Data Source Switching in Spring Boot Using ThreadLocal and AbstractRoutingDataSource

This article explains how to build a custom dynamic data‑source solution for Spring Boot by leveraging ThreadLocal and AbstractRoutingDataSource, provides complete Java code for context holders, routing datasource, configuration, annotation‑driven switching, and runtime addition of new data sources.

AbstractRoutingDataSourceBackendMyBatis-Plus
0 likes · 15 min read
Implementing Dynamic Data Source Switching in Spring Boot Using ThreadLocal and AbstractRoutingDataSource
IT Xianyu
IT Xianyu
Dec 10, 2023 · Backend Development

Caffeine Cache: Introduction, Core Concepts, and Spring Boot Integration

This article provides a comprehensive overview of the Caffeine local cache library, covering its fundamentals, configuration options, loading strategies, eviction policies, statistics, and detailed steps for integrating Caffeine with Spring Boot using annotations and custom cache managers.

CacheCaffeineJava
0 likes · 17 min read
Caffeine Cache: Introduction, Core Concepts, and Spring Boot Integration
IT Xianyu
IT Xianyu
Apr 27, 2023 · Backend Development

Automatic Unit Conversion in Java Using Reflection and Custom Annotations

This article demonstrates how to automatically convert monetary, percentage, permillage and other numeric fields in Java DTOs by marking target properties with a map or a custom annotation, then applying reflection‑based logic to perform scaling, rounding and unit changes in a reusable utility class.

JavaReflectionUnit Conversion
0 likes · 10 min read
Automatic Unit Conversion in Java Using Reflection and Custom Annotations
IT Xianyu
IT Xianyu
Apr 24, 2023 · Backend Development

Improving Spring Controller Layer: Unified Response Structure, Validation, and Exception Handling

This article explains how to refactor a Spring MVC Controller by introducing a unified response wrapper, leveraging ResponseBodyAdvice for automatic packaging, applying JSR‑303 validation for @RequestBody, @PathVariable and @RequestParam parameters, creating custom validation annotations, and handling business and system exceptions consistently.

ControllerJavaSpring
0 likes · 15 min read
Improving Spring Controller Layer: Unified Response Structure, Validation, and Exception Handling
IT Xianyu
IT Xianyu
Apr 19, 2023 · Databases

Robustdb: A Lightweight Read‑Write Splitting Solution for Java Applications

This article introduces Robustdb, a compact open‑source read‑write separation framework built with about ten classes and two thousand lines of code, explains its architecture, routing logic, method‑level transaction handling, dynamic data‑source management, and performance advantages over existing solutions like Atlas.

JavaRead-Write SplittingSpring
0 likes · 15 min read
Robustdb: A Lightweight Read‑Write Splitting Solution for Java Applications
IT Xianyu
IT Xianyu
Apr 6, 2023 · Backend Development

Guide to Installing and Using Nginx Proxy Manager with Docker

This tutorial introduces Nginx Proxy Manager, a visual reverse‑proxy management interface, and provides step‑by‑step instructions for installing it via Docker‑Compose, configuring domains, setting up SSL with Let’s Encrypt, and managing proxy hosts through its web UI.

DockerDocker ComposeNginx
0 likes · 6 min read
Guide to Installing and Using Nginx Proxy Manager with Docker