Archives 2026 01 Jan Reading Howard Spodek's "The World's History, 5th Edition" 01 Jan Reading "The Ruby Programming Language—Chapter 1. Introduction"2025 29 Dec 读小平邦彦的《微积分入门》（修订版） 26 Dec Reading "The Ruby Programming Language" by David Flanagan and Yukihiro Matsumoto 26 Dec Why Am I Still Blogging?