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This article outlines the historical development of data annotation—from its early, manual stages to a mature, fully automated scheduling system—detailing key elements, challenges, and architectural solutions that enable scalable, high‑quality AI data pipelines at Baidu Intelligent Cloud.
This article explains the fundamentals of peer‑to‑peer (P2P) download technology, its advantages over traditional client‑server models, the detailed download workflow, and the testing and monitoring approaches used to evaluate performance, stability, and crash rates.
The article describes a visual‑based automation framework that extracts logical blocks and relative positions from template screenshots, builds a mathematical model, and uses an expert‑system approach to automatically detect layout anomalies across diverse search result templates, reducing manual testing effort.
The article provides a comprehensive overview of smart IoT devices, their connectivity options, configuration methods, and detailed testing strategies—including sensor, network, performance, security, and integration testing—to ensure reliable interaction between hardware and mobile applications.
This article provides a beginner-friendly overview of traditional CDN components, their relationships, and a step‑by‑step download workflow, covering entry service, core indexing, core storage, content management, edge storage, and content distribution without delving into advanced features like grouping or P2P.
The article presents a comprehensive approach to improve backend service testing by building a mapping between automated test cases and code coverage, enabling selective test execution, objective impact assessment, and incremental coverage analysis to enhance test efficiency, reliability, and CI stability.
This article presents an AOP‑based system‑level test decoupling solution that splits large systems into independent subsystems, detailing background, existing approaches, the proposed architecture, recording and playback processes, practical deployment steps, case studies, and future plans to improve test efficiency, stability, and scalability.
This article explains how to construct various HTTP response codes using a PHP script and how to emulate network anomalies such as TCP resets, packet loss, and latency with iptables and tc netem, providing practical techniques for robust backend testing.
This article analyzes the shortcomings of existing iOS remote‑control solutions, examines event‑driven and screen‑capture technologies, and presents a practical implementation that combines private APIs, optimized screenshot compression, and socket‑based real‑time streaming to achieve millisecond‑level event response and high‑frame‑rate video for multi‑device iOS control.
This article outlines Baidu's comprehensive product evaluation framework, describing its multi‑layer assessment system, the combination of subjective and objective metrics, and a suite of common evaluation methods such as indicator analysis, AB testing, user feedback, behavior analysis, big‑data profiling, and competitor comparison.
