Completed BlueDot AI Safety Fundamentals
After completing BlueDot Impact AI Safety Fundamentals and receiving the certificate, I have a clearer view of agent safety evals, tool-use safety, and reliable AI infrastructure.
2026-6-15Essays
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Leo Qin’s Blog
AI safety, systems engineering, and tools tested against reality.
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How AI Coding Assistants Actually Improve Developer Efficiency
Based on hands-on use of Copilot, Cursor, and Claude Code, this post separates where AI assistants help most, such as search, boilerplate, and error diagnosis, from where they still struggle, such as architecture and edge cases.
2024-12-9Technology
What Is AI, and How Is It Changing Everyday Life?
A grounded overview of AI as systems that perceive, understand, decide, and learn, with a short history from Turing and Dartmouth to deep learning and generative AI, plus a practical view of how it affects daily life.
2024-12-9Current Affairs
MCP Is Infrastructure, Not the Ultimate AI Solution
MCP standardizes how AI apps connect to tools, resources, prompts, and external systems. It is useful infrastructure for reducing integration glue, but it does not replace permissions, confirmations, logging, threat modeling, or tool-safety design.
2025-4-1Technology
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Distinguishing Saints from Sycophants and Schemers
AI safety requires distinguishing saints from sycophants and schemers during training.
2026-5-11Technology
Web Scraping 101: Permissions, Tools, and Anti-Bot Lessons
A personal, practical guide to robots.txt and data-use boundaries, choosing between requests, aiohttp, Scrapy, and Playwright, and handling anti-bot measures and HTML parsing.
2025-1-22Technology
What Does “Compiling Shaders” Mean in Games?
Shaders, GPU machine code, graphics APIs, and cache invalidation: why shader compilation takes so long.
2025-1-8Technology
Learning Algorithms: Understand First, Code Second
To learn algorithms, first draw the structure, simulate the process, and explain the invariant; only then turn the idea into code.
2024-12-23Essays
Auto-Scrolling AI Chats: How to Read User Intent
Auto-scroll in an AI chat is not just scrollTop. It needs intent signals, a follow/free state machine, handling for programmatic scroll events, virtualization, and mobile edge cases.
2024-12-13Technology
Avoid Overusing React useEffect
useEffect is useful for side effects outside rendering, but too many effects turn a component into a dependency maze. This post uses a concrete dashboard example to show when to extract custom hooks or move data fetching elsewhere.
2024-12-10Technology
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