The only limit to our realization of tomorrow will be our doubts of today.
字符串是一个严格的数据结构,在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。
A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world.