在编程圈，大家总是在效率和性能之间摇摆。一边是像 Python、Ruby 这样的高级语言，写起来简单高效；另一边是 C 这种硬核语言，性能强但开发成本高。按理说，现在都流行用高级语言，谁还会回头去写 C？ 但有个开发者，干了 20 年 Ruby on Rails，又在 Common Lisp 里 ...

This is a post about two things, but they fall under the category of "I'd like to learn language <I>x</I> . . ."<BR><BR>1. I'm about to order <I>ANSI Common Lisp</I> by Paul Graham from Amazon.com. It ...