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JD Cloud Developers

JD Cloud Developers (Developer of JD Technology) is a JD Technology Group platform offering technical sharing and communication for AI, cloud computing, IoT and related developers. It publishes JD product technical information, industry content, and tech event news. Embrace technology and partner with developers to envision the future.

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Recent Articles

Latest from JD Cloud Developers

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JD Cloud Developers
JD Cloud Developers
Nov 20, 2025 · Artificial Intelligence

How to Reveal Hidden Treatment Effects with Heterogeneous Analysis and CATE Models

This article explains the concept of heterogeneous treatment effects (HTE), clarifies related terminology, outlines why HTE analysis matters for product decisions, and walks through dimension selection, statistical and machine‑learning methods—including ANOVA, causal trees, meta‑learners, and double‑machine‑learning—plus a practical MVP tool with code examples and future development directions.

CATEMachine Learningcausal inference
0 likes · 12 min read
How to Reveal Hidden Treatment Effects with Heterogeneous Analysis and CATE Models
JD Cloud Developers
JD Cloud Developers
Nov 19, 2025 · Backend Development

Boost Java Microservice Analysis with Easy Code Reader MCP

This article explains how the Easy Code Reader MCP server integrates with large language models to automatically locate, read, and analyze Java source code across multiple micro‑services and JAR files, improving code‑agent accuracy and developer productivity through a set of practical tools and step‑by‑step examples.

Easy Code ReaderJavaMCP
0 likes · 22 min read
Boost Java Microservice Analysis with Easy Code Reader MCP
JD Cloud Developers
JD Cloud Developers
Nov 10, 2025 · Artificial Intelligence

How an AI‑Powered Experiment Analysis Agent Transforms Data Insights

This document outlines the background, design, architecture, workflow, and large‑model integration of an AI‑driven Experiment Analysis Agent, detailing how it consolidates data, automates analysis via modular pipelines, leverages DeepSeek models, and enhances user experience through unified front‑end forms and intelligent messaging.

data engineeringworkflow automation
0 likes · 15 min read
How an AI‑Powered Experiment Analysis Agent Transforms Data Insights
JD Cloud Developers
JD Cloud Developers
Nov 4, 2025 · Artificial Intelligence

How AI-Powered Virtual Try‑On Is Revolutionizing Fashion E‑Commerce

The article explains how JD.com's AI try‑on system Oxygen Tryon uses advanced computer‑vision models to let shoppers instantly preview garments on their own photos, dramatically improving fit perception, reducing return rates, and outlining future technical and business expansions.

AIFashion E‑commercecomputer vision
0 likes · 6 min read
How AI-Powered Virtual Try‑On Is Revolutionizing Fashion E‑Commerce
JD Cloud Developers
JD Cloud Developers
Nov 3, 2025 · Artificial Intelligence

How JoyCode Agent Scored 74.6% Pass@1 on SWE‑Bench Verified: Inside the Patch‑Test Co‑generation Pipeline

JoyCode Agent leverages a multi‑agent, patch‑and‑test co‑generation framework with iterative validation, failure attribution, and experience‑driven retries to achieve a 74.6% Pass@1 rate on the SWE‑Bench Verified benchmark, dramatically reducing computational resources while delivering high‑quality code patches.

AI Code GenerationSWE-benchTesting Automation
0 likes · 34 min read
How JoyCode Agent Scored 74.6% Pass@1 on SWE‑Bench Verified: Inside the Patch‑Test Co‑generation Pipeline
JD Cloud Developers
JD Cloud Developers
Oct 30, 2025 · Backend Development

How a Massive Cache Key Crashed a Double‑11 System and How to Prevent It

During a Double‑11 promotion, an oversized Redis cache key caused a cascade of failures—cache miss, network bandwidth saturation, and a full‑blown cache avalanche—prompting the team to implement big‑key mitigation, compression, lock‑based cache back‑source, and monitoring measures to safeguard future deployments.

Big KeyCacheHot Key
0 likes · 8 min read
How a Massive Cache Key Crashed a Double‑11 System and How to Prevent It
JD Cloud Developers
JD Cloud Developers
Oct 29, 2025 · Mobile Development

How JD Finance Accelerated iOS Chart Rendering with ROMA and ECharts

This article details JD Finance's iOS app chart rendering challenges, the integration of Apache ECharts via a custom ROMA WebView, cache design, data communication between Native and WebView, and performance gains achieved through automated retries and WebView pooling.

EChartsPerformance OptimizationROMA
0 likes · 8 min read
How JD Finance Accelerated iOS Chart Rendering with ROMA and ECharts
JD Cloud Developers
JD Cloud Developers
Oct 28, 2025 · Frontend Development

Mastering Real-Time Web Communication: WebSocket, SSE, and WebRTC Explained

This article provides a comprehensive overview of real-time communication technologies for web development, detailing the concepts, principles, advantages, and use cases of WebSocket, Server‑Sent Events, and WebRTC, along with code examples, connection management, and selection guidance.

Real-time communicationSSEWeb Development
0 likes · 23 min read
Mastering Real-Time Web Communication: WebSocket, SSE, and WebRTC Explained
JD Cloud Developers
JD Cloud Developers
Sep 28, 2025 · Artificial Intelligence

What Is Retrieval‑Augmented Generation (RAG) and How Does It Work?

This article explains Retrieval‑Augmented Generation (RAG), an AI framework that combines traditional information retrieval with large language models, covering its core workflow—from knowledge preparation, data cleaning, and metadata extraction to query preprocessing, vector retrieval, reranking, information integration, and final LLM generation, while also reviewing common embedding models and vector databases.

Artificial IntelligenceLLMRAG
0 likes · 13 min read
What Is Retrieval‑Augmented Generation (RAG) and How Does It Work?