摘要:
An L-value is something that can appear on the left side of an equal sign,An R-value is something that can appear on the right side of an equal sign... 阅读全文
摘要:
Linux各种版本下载ftp://ftp.linuxforum.net/ISO/Redhat7.3/valhalla-i386-disc1.isoftp://ftp.linuxforum.net/ISO/Redhat7.3/valhalla-i386-disc2.isoftp://ftp.linux... 阅读全文
摘要:
(ISO C11§6.2.5)Arithmetic types and pointer types are collectively called scalar types. Array andstructure types are collectively calledaggregate type... 阅读全文
摘要:
(Wikipedia)Network address translation(NAT) is a methodology of modifyingnetwork addressinformation inInternet Protocol(IP)datagrampacket headers wh... 阅读全文
摘要:
计算机程序设计语言: 是计算机可以识别的语言,用于描述解决问题的方法,供计算机阅读和执行.计算机系统有 '硬件'和'软件': '软件'包括了使计算机运行所需要的各种程序及其有关的文档资料.程序是指令(就是计算机可以识别的命令)的集合.机器语言:由计算机硬件系统可以识别 二进制指令的语言.汇编语言:将... 阅读全文
摘要:
^ 合取联结词,作用的两个命题是相互独立的: 阅读全文
摘要:
ref:http://www.cnblogs.com/jiangjh/archive/2011/06/27/2091164.html#commentform入门篇《LINUX权威指南》书不错,写的很全面也比较广,涉及的不深,做为入门书籍不错,可以比较全面的了解linux。另外比较热门的也可以看看《鸟... 阅读全文
摘要:
& produces the address of its operand:For example, in the following statements an integer variable and a pointer to an integer variable are declared.T... 阅读全文
摘要:
Computer memories are composed of millions of bits, each capable of holding either the value 0 or the value 1. This limited range of values is not ter... 阅读全文
摘要:
SET NAMES utf8相当于SET character_set_client = utf8 --用来设置客户端送给MySQL服务器的数据的 字符集SET character_set_results = utf8 --服务器返回查询结果时使用的字符集SET character_set_conne... 阅读全文