os操作系统资料,附有12个文件,分别为《pyos》(哈工大binghua论坛图形系统源代码)、《Sean[1]. Programming guide and sample code for RTL8139 family. 1999(8139).zip》(RTL8139网卡编程资料)、《AT Attachment with Packe Interface.pdf》(ATAPI硬盘和光驱驱动资料)、《Intel系列CPU指令速查手册.doc》(汇编CPU指令)、《Linux011-Mem-Yua
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博文链接:https://weiyuhu.iteye.com/blog/569002RFC 521
February 2008
RFC 521
February 2008
An Adu descr iptor consis-s of che following fields:
size of the entire ADu frame (not just the portion that will fit
within a sing_e RTP packet). Each such pa
This chapter presents an overview of Universal Serial Bus 4 (USB4™) architecture and key
concepts. USB4 is similar to earlier versions of USB in that it is a cable bus supporting data
exchange between a host computer and a wide range of simultaneousl
本文实例讲述了python将ip地址转换成整数的方法。分享给大家供大家参考。具体分析如下:
有时候我们用数据库存储ip地址时可以将ip地址转换成整数存储,整数占用空间小,索引也会比较方便,下面的python代码自定义了一个ip转换成整数的函数,非常简单,代码同时还提供了整数转换成ip地址的方法。
import socket, struct
def ip2long(ip):
"""
Convert an IP string to long
"""
packedIP = socke