Programming Pearls , second edition
Jon Bentley, 中国电力出版社, 2004.5

问题界定
careful analysis of a small problem can sometimes yield tremedous practical benefits

simple, few parts, easy to maintain, very strong
–General Chuck Yeager

正确的对问题进行定义the right problem

a designer knows he has arrived at perfection not when there is no longer anything to add, but when there is no longer anything to take away
–Antoine de Saint-Exupery

不要使用任何未经初始化的数据