性能的关键在于优雅,而不是大量的特殊情况。
我的艺术就是我的反抗。
A city's identity is shaped by its architecture and public spaces.
So that morning in 1962 I told myself: Let everyone else call your idea crazy . . . just keep going. Don’t stop. Don’t even think about stopping until you get there, and don’t give much thought to where “there” is. Whatever comes, just don’t stop.
PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。