In this thought‑provoking talk, Alibaba’s chief architect Wang Jian explores the nature of real innovation, the role of confidence, and how data‑centric, distributed cloud architectures can empower AI, city‑brain initiatives, and the next generation of technology leaders.
This article explains how high‑availability (HA) clusters provide redundancy for directors, RS‑servers, databases and storage, covering active‑passive node roles, resource stickiness, constraints, quorum voting, split‑brain avoidance, failure detection methods, and essential configuration tips.
This guide walks through installing and using four Python‑compatible databases—SQLite, MySQL, LMDB, and LevelDB—covering environment setup, core APIs, common CRUD patterns, and complete runnable examples to help developers choose and operate each storage engine effectively.
This article summarizes Liang Xiangdong’s talk on the API Everything framework at the Gdevops 2017 conference, detailing the motivations, design principles, lifecycle, key products such as Stargate Cluster and API Portal, and the practical impact on backend development, DevOps automation, and front‑end/back‑end separation at Ele.me.
This article presents a practical guide of 36 network‑operation strategies, illustrated with two detailed case studies that show how solid technical knowledge, automation, and cross‑department collaboration can dramatically reduce faults and improve efficiency in modern SDN environments.
The author recounts a recent Alibaba Java Web interview journey, reflects on gaps uncovered during the process, and compiles a comprehensive list of core Java Web concepts—including JVM internals, servlets, Spring, Hibernate, Struts, HTTP fundamentals, and design patterns—to guide future learning and preparation.
This article explains the design and implementation of a space‑efficient Bloom filter using Redis bit operations, covering theory, false‑positive calculations, PHP code, performance testing on billions of daily logs, and optimizations such as pipelining and sharding for large‑scale deduplication.
This article evaluates popular front‑end frameworks by measuring real‑world performance, bundle size, and source‑code line counts using a medium‑scale blog project, providing practical insights to help developers choose the most suitable framework for their applications.
This guide compiles the most popular frontend UI frameworks for mobile, PC and hybrid app development, summarizing each library's origin, key features, GitHub statistics, installation methods and demo links to help developers quickly choose the right toolkit.
This article explains the differences between WeChat Mini Programs and H5, details the custom runtime environment, demonstrates performance differences, shows how to wrap callback‑based APIs with Promises, introduces component‑based development, and integrates Redux for state management with code examples.
This article explains why attention mechanisms were introduced into Seq2Seq models, how they address the limitations of fixed‑length encoding, the role of bidirectional RNNs, and showcases their impact on machine translation and image captioning with illustrative diagrams.
Facing massive memory usage and latency in a PHP‑based live‑stream bullet chat, we iteratively re‑engineered the system—splitting Redis, limiting broadcasts, sharding rooms, then rebuilding it in Go with distributed room management, concurrent broadcasting, and extensive testing, achieving stable operation for tens of thousands of concurrent connections.
This article details a data‑science competition solution that predicts enterprise exit risk using 88 engineered features, LightGBM and XGBoost models with 5‑fold bagging, achieving a top‑25 ranking on the private leaderboard.
An overview of network embedding presented at CIKM 2017, covering its definition, loss functions, algorithm categories such as spectral methods, random walks, deep learning models, emerging research topics like dynamic and attributed embeddings, and various application scenarios illustrated with numerous academic papers.
This guide outlines practical methods for junior designers to identify design problems, progress through copying, semi‑creation, and original work, cultivate motivation, practice deliberately, gather inspiration, develop comprehensive skills, and adopt product‑thinking to continuously improve their design capabilities.
This article explains how to quickly locate and fix online MySQL problems such as partial update failures, InnoDB deadlocks, and lock‑wait timeouts by analyzing server logs, understanding InnoDB row‑lock behavior, optimizing indexes, adjusting transaction settings, and using a custom log‑collection script.
This article explains how Alibaba's recommendation team built a large‑scale, AI‑driven personalization pipeline for the Double 11 shopping festival, using graph‑embedding recall, deep‑learning ranking models such as DeepResNet, DCN, and a custom XTensorflow platform to improve coverage, diversity, and click‑through rates.
This guide explains how to use XPath efficiently for web scraping, covering node selection, axes, functions, numeric comparisons, and advanced combinations, while emphasizing concise and readable expressions to improve performance and maintainability.
This guide walks through installing and configuring a Linux high‑availability (HA) solution using Heartbeat and Nginx, detailing environment setup, host preparation, configuration files, service startup, testing failover, and troubleshooting common errors to achieve reliable, seamless server redundancy.
This guide walks beginners through the fundamental components of microservice infrastructure—configuration management, service registry, API gateway, authentication, message broker, BFF, circuit breaker, and load balancing—explaining their roles, interactions, and practical considerations for building resilient systems.
