查询开机时间cat/proc/uptime|awk-F.‘{run_days=$1/86400;run_hour=($1%86400)/3600;run_minute=($1%3600)/60;run_second=$1%60;printf("系统已运行:%d天%d时%d分%d秒",run_days,run_hour,run_minute,run_second)}‘查询运行时长date-d"$(awk-F.‘{print$1}‘/proc/uptime)second..
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系统相关 时间:
2015-01-28 11:21:35
阅读次数:
607
Problem Description
An inch worm is at the bottom of a well n inches deep. It has enough energy to climb u inches every minute, but then has to rest a minute before climbing again. During the rest, i...
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其他好文 时间:
2015-01-28 09:52:39
阅读次数:
114
如果一个类中所有成员函数都是公用的,则可以在定义对象时对数据成员进行初始化:class Time{public: hour; minute; sec;};Time t1={14,15,23};//将t1初始化为14:15:23但是数据成员是私有的,或者类中有private或protected的...
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编程语言 时间:
2015-01-27 23:06:53
阅读次数:
372
DescriptionAn inch worm is at the bottom of a well n inches deep. It has enough energy to climb u inches every minute, but then has to rest a minute b...
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其他好文 时间:
2015-01-27 13:05:04
阅读次数:
150
DescriptionAn inch worm is at the bottom of a well n inches deep. It has enough energy to climb u inches every minute, but then has to rest a minute b...
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其他好文 时间:
2015-01-23 13:03:41
阅读次数:
258
9、TIMESTAMP WITH TIME ZONE
包含 TIMESTAMP 数据类型中的所有域,除此之外,还包含两个额外的域:timezone_hour 和 timezone_minute。这个数据类型包含支持时区的相关信息。这个数据类型可以在 Oracle9i 数据库及其更新的版本中使用。
10、TIMESTAMP WITH LOCAL TIME ZONE
除了在数据库中存储的时区采用...
分类:
数据库 时间:
2015-01-22 18:02:34
阅读次数:
226
创建一个对象时,常常需要作某些初始化的工作,例如对数据成员赋初值。
注意,类的数据成员是不能在声明类时初始化的。如果一个类中所有的成员都是公用的,则可以在定义对象时对数据成员进行初始化。如:
class Time{ public : //声明为公用成员 hour; minute; sec;};Time t1={14,56,30}; //将t1初始化为14:56:3...
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编程语言 时间:
2015-01-22 15:32:07
阅读次数:
151
DescriptionAn inch worm is at the bottom of a well n inches deep. It has enough energy to climb u inches every minute, but then has to rest a minute b...
分类:
其他好文 时间:
2015-01-21 21:54:14
阅读次数:
155
Problem Description
An inch worm is at the bottom of a well n inches deep. It has enough energy to climb u inches every minute, but then has to rest a minute before climbing again. During the rest,...
分类:
其他好文 时间:
2015-01-21 18:24:18
阅读次数:
170
创建一个对象时,常常需要作某些初始化的工作,例如对数据成员赋初值。
注意,类的数据成员是不能在声明类时初始化的。如果一个类中所有的成员都是公用的,则可以在定义对象时对数据成员进行初始化。如:
class Time{ public : //声明为公用成员 hour; minute; sec;};Time t1={14,56,30}; //将t1初始化为14:56:3...
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编程语言 时间:
2015-01-16 10:08:20
阅读次数:
220