The Huajiao Technology channel shares the latest Huajiao app tech on an irregular basis, offering a learning and exchange platform for tech enthusiasts.
This article walks through the benefits, trade‑offs, and step‑by‑step implementation of Vue server‑side rendering using Koa, then shows how to containerize the service with Docker and automate deployment with Kubernetes, covering code, configuration, and common pitfalls.
This article analyzes Huajiao Live's end‑to‑end recommendation pipeline, covering basic concepts, recall and ranking algorithms—including collaborative filtering, matrix factorization, deep learning models—and multi‑objective optimization, while detailing the engineering workflow for training, deployment, and real‑time serving in a live‑streaming environment.
This article explains the cold‑start problem in recommendation systems, outlines common industry solutions such as popular‑content, group‑representative, auxiliary‑information, bandit algorithms, and deep learning, and details how Huajiao Live applied these techniques to improve new‑user engagement and metrics.
This article explains what an Android task is, how to manage tasks with different launch modes, how to inspect the current task stack via the device UI or adb, and provides detailed descriptions of common Intent flags and their effects on activity behavior.
This article explains why UI automation testing is crucial for complex mobile apps, introduces Appium as a cross‑platform open‑source solution, demonstrates organizing test cases with Cucumber and Page Object patterns, details element locating strategies, custom steps, workflow architecture, and discusses current limitations and improvement plans.
This article introduces Kong, a cloud‑native API gateway, outlines its key features such as high performance, plugin architecture, and built‑in security, explains why it solves common microservice challenges like unified entry, scalability and CI/CD, and provides step‑by‑step guidance for deployment, clustering, custom plugin development, and troubleshooting.
This article explains how to replace JSZip with a C‑based WebAssembly unzip module using Emscripten, integrate it via a Web Worker, and achieve faster decompression for Three.js 3D assets, complete with performance test results and detailed code examples.
This article explains why Android testing is crucial, outlines common testability problems, and provides step‑by‑step solutions using MVP architecture, interface‑based design, JUnit, Mockito, Robolectric, Espresso, and CI integration to create maintainable unit and UI tests.
This article reviews the evolution of ranking models in modern recommendation systems, covering traditional linear models, factorization machines, tree‑based GBDT+LR, and a range of deep learning architectures such as Wide&Deep, DeepFM, DCN, xDeepFM, DIN, as well as multi‑task frameworks like ESMM and MMOE, and finally illustrates their practical deployment in a live streaming platform.
This guide introduces Huajiao Live’s newly open‑sourced backend components—Gokeeper for centralized configuration and service discovery, Pepperbus for message bus, Peppercron for distributed cron management, and the Dashboard UI—providing repository links, Docker images, installation steps, configuration formats, code examples, and operational details for quick deployment.
