An engineering notebook on AI, systems, and everyday experiments.

Simple web system for sharing EC2 access while the bill payer maintains control—team members can start instances via web interface with authentication.

Being an observer means watching yourself from above—this mindset brings better emotional control, time management, and critical self-awareness.

探讨中小学生教育中培养主动性和学习方法的重要性，以及使用Trello和OneNote进行个人时间和信息管理的实践经验。

Answers common questions about obtaining a private pilot certificate, covering benefits, aircraft rental costs, training expenses, and time commitment for becoming a certified airplane pilot.

Key takeaways on choosing a life partner: understanding what makes a good marriage, watching for red flags and green flags, the 7 Cs to look for, and why observing behavior under pressure matters.

Build cheap compute clusters on AWS using spot instances: automated system configuration, sshfs file transfer, and GNU parallel for job distribution.

A practical guide to scraping photos from Facebook groups when Graph API doesn't expose the endpoint - using Chrome dev tools, curl with cookies, grep and awk to extract image URLs from rendered HTML.

记录飞行训练中首次单飞的经历，以及训练过程中遇到的趣事：引擎故障模拟、仪表飞行训练、座椅调整乌龙等。

记录接妹子、IROS论文接收、在西雅图国际机场B级空域完成touch and go降落等好消息的一天。

Building a web interface for MATLAB using Node.js and Express, enabling file upload, real-time status updates, and result download—useful for collaborative research and distributed computing.