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1.1 Introduction Credit: David Ascher, ActiveState, co-author of Learning Python (O'Reilly) Programming languages are like natural languages. Each has

摘自计算机网络原理书（前言）： Thisbookisnowinitsfourthedition.Eacheditionhascorrespondedtoadifferentphaseinthewaycomputernetworkswereused.Whenthefirsteditionappeare

Introduction to Algorithms Prof. Charles E. Leiserson The theoretical study of computer-program performance and resource usage. What’s more important