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Added a blog entry "C# 3.0 一行求方差" 某python程序员说用C#求方差需要五十行。于是我试了试 pythondef variance (*l): return sum([(i - sum(l) * 1.0 / len(l)) ** 2 for i in l]) / len(l) C#Func<List<double>, double> variance = numbers =>
(from 7/17/2008 1:42 AM Added a blog entry "三角形拼图 这怎么可能？" 我看了半天没看出破绽，于是用Canvas + jQuery UI做了个网页拼图，拼了半天终于发现了其中的奥妙。 我讨厌剧透，所以贴出代码占位，以免想独立思考的同学意外看到答案。<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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7/16/2008 9:02 PM |
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