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Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...的oracle用户
8.top 查看机器当前使用情况 相当于windows的资源管理器
9.su 表示切换用户
su – 表示切换到默认的root用户
10.cp 表示拷贝
cp –R 被拷贝目录 拷贝目录
11.rm 删除
rm –r 删除目录
rm –rf 强制删除目录
12....
#define macro for debug printing in C?
...@(#)Author: J Leffler
@(#)Copyright: (C) JLSS 1990-93,1997-99,2003,2005,2008
@(#)Product: :PRODUCT:
*/
#ifndef DEBUG_H
#define DEBUG_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
/*
** Usage: TRACE((level, fmt, ...))
** "level" is the debugging level w...
Colors in JavaScript console
... hsl(1992.6, 100%, 50%), -48px 370px hsl(1998, 100%, 50%), -47px 371px hsl(2003.4, 100%, 50%), -46px 372px hsl(2008.8, 100%, 50%), -45px 373px hsl(2014.2, 100%, 50%), -43px 374px hsl(2019.6, 100%, 50%), -42px 375px hsl(2025, 100%, 50%), -41px 376px hsl(2030.4, 100%, 50%), -39px 377px hsl(2035.8, 100...
深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...权限），这样才能保证 interrupt handler 能访问系统的全部资源。
在权限检查方面，要求 DPLs 权限（interrupt handler 的执行权限）要高于或等于调用者的权限，也就是 CPL 权限，当数字上 DPLs 要小于等于 CPL（DPLs <= CPL）。
2.6 使用 int...
What encoding/code page is cmd.exe using?
...ind out what your code page number means.
You need to have Windows Server 2003 Resource kit installed (works on Windows XP) to use nlsinfo.
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fo...
What do linkers do?
...of this section is fixed documented at: http://www.sco.com/developers/gabi/2003-12-17/ch4.reloc.html
Each entry tells the linker about one address which needs to be relocated, here we have only one for the string.
Simplifying a bit, for this particular line we have the following information:
Off...
SQL JOIN and different types of JOINs
...s worth mentioning SQL-92 defines the UNION JOIN. Now made obsolete in SQL:2003.
– The Impaler
Jun 12 '19 at 18:09
...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...数据失败！");
exit(-1);
}
}
//清理套接字占用的资源
WSACleanup();
return 0;
}
DWORD WINAPI ReceiveThreadProc( LPVOID lpParameter){
SOCKET s = *(SOCKET*)lpParameter;
char receiveBuf[BUFFER_SIZE];
int bytes;
while(1){
if((bytes=recv(s,receiveBuf,sizeof(r...
What does do?
...nd IE v6 was considered as a de facto standard (80% to 97% market share in 2003, 2004, 2005 and 2006 for IE6 only, more market share with all IE versions).
As IE6 was not respecting Web standards, developers had to test their website using IE6. That situation was great for Microsoft (MS) as web dev...
What is the difference between bottom-up and top-down?
...p doing the same thing many, many times. An example that I have used since 2003 when teaching or explaining these matters: you can compute Fibonacci numbers recursively.
def fib(n):
if n < 2:
return n
return fib(n-1) + fib(n-2)
Use your favorite language and try running it for fib(50)....