RAG (Retrieval-Augmented Generation) Principles and Implementation: Building a Knowledge Q&A System from Scratch
2026-08-07
Gain a deep understanding of the core principles behind Retrieval-Augmented Generation (RAG) and build a vector retrieval-based knowledge Q&A system from scratch with complete code examples.
1942 words
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10 minutes
Build Your Own MCP Server: A Practical Guide from Zero to One
2026-08-06
A step-by-step guide to building an MCP Server in Python, enabling Claude and other LLMs to call your custom tools and data sources through a standard protocol.
1719 words
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9 minutes
The Complete Guide to HTTP Caching Strategies: From Browser to CDN
2026-08-04
A comprehensive breakdown of HTTP caching mechanisms: strong caching, negotiated caching, Cache-Control directives, and CDN caching strategies, with practical configuration examples and debugging tips.
1560 words
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8 minutes
Andrew Yao on the First Principles of AI: The Power and Limits of Artificial Intelligence
2026-08-04
Turing Award winner Andrew Yao examines the boundaries of AI's capabilities from the perspective of computation theory at the WAIC Thinkers Forum: what it can and cannot do, and how quantum AI could become the next paradigm for scientific exploration.
2171 words
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11 minutes
Notes from the AWS AI Agent Summit: Current State, Challenges, and Practices of Agent Adoption in Chinese Enterprises
2026-06-25
Observations and reflections from the AWS AI Agent Summit: from keynote speeches to practical sharing by companies like Didi, SAP, and Anker Innovations, covering topics such as agent security, workflow design, and compliance for going global, as well as the current state and challenges of full-chain AI coverage in Chinese enterprises.
1851 words
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9 minutes
Loop Engineering: When AI Agents Can Work on Their Own, What Should Human Developers Do
2026-06-16
Loop Engineering is the hottest new paradigm in AI development in 2026. This article takes a deep dive into its six major components, four-stage evolution, typical workflow design, and three pitfalls you must watch out for—including key insights from Claude Code lead Boris Cherny and Google Cloud AI director Addy Osmani.
2030 words
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10 minutes
The Web Technology Revolution at WWDC26: What Safari 27 Brings
2026-06-16
The WWDC26 WebKit session unveiled five major features in Safari 27: native masonry layout with CSS Grid Lanes, fully customizable <select> elements, <model> 3D model embedding, immersive website environments in visionOS, and cross-browser Web Extensions packaging. This article breaks down how each feature works and the design intent behind it.
1385 words
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7 minutes
npm v12 Disables Lifecycle Scripts by Default: A Security Change Affecting All Developers
2026-06-15
npm v12, scheduled for release in July 2026, will disable install lifecycle scripts, Git dependencies, and remote URL dependencies by default. This article explains the background, scope, and migration paths for these three breaking changes to help teams adapt before the deadline.
1403 words
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7 minutes