CP(1) User Commands CP(1)NAME cp - copy files and directoriesSYNOPSIS复制一个文件到另一个地方,注意要加上文件名 cp [OPTION]... [-T] SOURCE DEST 复制多个文件到另一个目录中 cp [OP...
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系统相关 时间:
2014-08-30 11:11:09
阅读次数:
273
MV(1) User Commands MV(1)NAME mv - move (rename) filesSYNOPSIS移动单个文件: mv [OPTION]... [-T] SOURCE DEST #移动一个文件到另一个地方,其实这是个重命名的用法移动多个文件或目录: mv [O...
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系统相关 时间:
2014-08-30 11:06:09
阅读次数:
348
W(1) User Commands W(1)NAME w - Show who is logged on and what they are doing.SYNOPSIS w [options] user [...]DESCRIPTION w displays information about ...
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系统相关 时间:
2014-08-30 09:55:39
阅读次数:
260
题解:求n个数的最小公倍数,一个一个算就可以了,需要注意的是LCM先除GCD再乘,因为先乘有可能会超范围,1WA的代价。#include int T,n,a,b;int gcd(int a,int b){if(b==0)return a;return gcd(b,a%b);}int main(){ ...
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其他好文 时间:
2014-08-30 08:43:49
阅读次数:
185
Problem DescriptionUnlike single maze, double maze requires a common sequence of commands to solve both mazes. See the figure below for a quick unders...
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其他好文 时间:
2014-08-30 01:14:48
阅读次数:
329
61.You frequently have multiple RMAN sessions running, and you want to be able to easily identify each
job via the CLIENTJNFO column of the dynamic performance view V$SESSION. What RMAN command
can ...
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其他好文 时间:
2014-08-29 20:08:08
阅读次数:
261
首先登录你的的mysql mysql -uroot -p登陆成功后出现以下信息Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 8Server version: 5.1.73-lo....
分类:
数据库 时间:
2014-08-29 19:46:48
阅读次数:
245
Problem code: LCMSUMGiven n, calculate the sum LCM(1,n) + LCM(2,n) + .. + LCM(n,n), where LCM(i,n) denotes the Least Common Multiple of the integers i...
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其他好文 时间:
2014-08-28 22:23:56
阅读次数:
347
首先看iOS的,Scheduling Timers in Run LoopsA timer object can be registered in only one run loop at a time, although it can be added to multiple run loop m...
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移动开发 时间:
2014-08-28 13:09:39
阅读次数:
416
XXD(1) General Commands Manual XXD(1)NAME xxd - make a hexdump or do the reverse.SYNOPSIS xxd -h[elp] xxd [options] [infile [outfile]] xxd -r[evert] [...
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系统相关 时间:
2014-08-27 23:16:18
阅读次数:
665