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

实习生活尾声的心情感悟：闺蜜的陪伴温暖人心、加州的驾驶学习与Coast Starlight海岸列车之旅、即将开飞机的期待，以及面对回纽约PhD生活的不舍。

与师兄师姐讨论职业发展和创业后的反思，分析PhD的优势与劣势，思考个人能力定位与未来发展路径的选择。

Explores F# for implementing domain-specific languages, demonstrating turtle graphics and fractal generation with elegant syntax, async support, and parallel computing capabilities.

Switching from iPhone to Lumia 900: smooth Windows Phone experience, excellent keyboard input, tile interface, but limited app ecosystem and IE10 shortcomings.

Convex optimization as a powerful modeling language: express problems as objectives and constraints, then solve efficiently. Demonstrated with image denoising using CVX.

Restarting the blog with morning reading habits, jogging goals, and budget planning—small steps toward a more disciplined life.

Demonstrates automatic CAPTCHA recognition using image binarization, digit splitting, and K-nearest neighbor classification, achieving perfect accuracy on EMS package tracking system.

How to run ASP.NET 4.0 applications on Debian/Linux using nginx and Mono FastCGI, with practical migration tips and filesystem considerations.

Collecting mouse positions throughout the day and visualizing them as heatmaps reveals user behavior patterns that could potentially be used for person identification.

Quick updates to the Beamer Outline Generator tool: removed info panel, added page numbers, improved indent handling and CSS styling for faster LaTeX slide creation.