很多时候,在一个类创建的时候给它初始化,一般呢,99%的人都会这么用: //A.h Class CA { int a; char* p; int getValue(); }; //A.cpp CA::CA() { a = ; p = NULL; } 而另一种更为简洁的方式是: //A.h Class CA { int a; char* p; int getValue(); }; //A.cpp CA::CA():a(),p(NULL) { //other operations } 是不是更加简洁…
[你可以到ntp.org下个ntp server的源代码,里面有HTML格式的文档,内容很全面.] [REF: http://doc.ntp.org/] Comprehensive List of Clock Drivers Following is a list showing the type and title of each driver currently implemented. The compile-time identifier for each is shown in par…
####Primary#### [oracle@primary ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.4.0 Production on 金 10月 13 15:40:32 2017 Copyright (c) 1982, 2013, Oracle. All rights reserved. アイドル・インスタンスに接続しました. SQL> startupORACLEインスタンスが起動しました. Total System Global…
Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. The city council has finally decided to build an electoral wall for…
Microsoft Office是微软公司开发的一套基于 Windows 操作系统的办公软件套装.常用组件有 Word.Excel.Powerpoint等.当我们不需要再用了或者想安装旧版本的话,首先要卸载原有的版本.一般我们都是进控制面板卸载或者用软件管家卸载,但是这样操作常常会伴随各种问题,最常见的就是卸载不干净,使得安装其他版本失败. 其实微软公司提供了一套相应的卸载工具,可以将office软件从我们的系统彻底删除.卸载方法也非常简单,我们以卸载office2003为例. 1.首先双击打开…
