socket编程原理:UNIX系统的I/O命令集
socket编程原理:UNIX系统的I/O命令集,是从Maltics和早期系统中的命令演变出来的,其模式为打开一读/写一关闭(open-write-read- close)。在一个用户进程进行I/O操作时,它首先调用“打开”获得对指定文件或设备的使用权,并返回称为文件描述符的整型数...
socket编程原理:UNIX系统的I/O命令集,是从Maltics和早期系统中的命令演变出来的,其模式为打开一读/写一关闭(open-write-read- close)。在一个用户进程进行I/O操作时,它首先调用“打开”获得对指定文件或设备的使用权,并返回称为文件描述符的整型数...
After the successful global introduction during the past decade of the second generation (2G) digital mobile communications systems, it seems that th...
PHP,即“PHP: Hypertext Preprocessor”,是一种广泛用于 Open Source(开放源代码)的尤其适合 Web 开发并可以嵌入 HTML 的多用途脚本语言。它的语法接近 C,Java 和 Perl,而且容易学习。该语言的主要目标是让 Web 开发人员快速的书写动态生成的...
Modern power systems involve large amount of investment. An electric power system comprises of generation, transmission, and distribution of electric ...
This book code procedure according to the chapter arrangement, the 1st chapter of example under "1" the table of contents, the 2nd chapter of exampl...