解决IP地址冲突的完美方法--DHCP SNOOPING 使用的方法是采用DHCP方式为用户分配IP，然后限定这些用户只能使用动态IP的方式，如果改成静态IP的方式则不能连接上网络；也就是使用了DHCP SNOOPING功能。 例子： version 12.1 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption service co
As in earlier Addison-Wesley books on the UNIX-based BSD operating system, Kirk McKusick and George Neville-Neil deliver here the most comprehensive, up-to-date, and authoritative technical information on the internal structure of open source FreeBS
Explains all the key features of c86 assembly language in the context of Linux operating system and the C language. Uses a step-by-step, one-concept-at-a-time coverage to help the user master essentials skills. CD-ROM includes the Open Source assemb
黑客：计算机革命的英雄（25周年纪念版） 英文原版 内容简介 This 25th anniversary edition of Steven Levy's classic book traces the exploits of the computer revolution's original hackers -- those brilliant and eccentric nerds from the late 1950s through the early '80s who took r
Product Descr iption The author uses practical, concise code examples to illuminate a useful programming stratagem or warn against a dangerous practice. Readers will come away with a better understanding of how C++ is used in the real world. From th
Review I recommend the text to theoretical physicists and mathematicians who want to get exposed to a different presentation and applications of group theory. --Mathematical Reviews From the Inside Flap This book presents a survey of Topology and Di
flybird python代码 from itertools import cycle import random import sys import pygame #将pygame库导入到python程序中 from pygame.locals import * #需要引入pygame中的所有常量。 FPS = 30 SCREENWIDTH = 288 #屏幕宽度 SCREENHEIGHT = 512 #屏幕高度 # amount by which base can maximum shi
Supported Internet RFCs and Drafts ATM RFC 1483, Multiprotocol Encapsulation over ATM Adaptation Layer 5 (routed Protocol Data Units only) RFC 2225, Classical IP and ARP over ATM (responses only) BGP RFC 1771, A Border Gateway Protocol 4 (BG
