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ORACLE 常用日期函数 - ORACLE - 清泛IT论坛,有思想、有深度

ADD_MONTHS函数在输入日期上加上指定的几个月返回一个新的日期。如果给出一负数,返回值日期之前几个月日期。 select add_months(to_date('20150201','yyyymmdd'), -1) from dual 结果:2015/1/1 相应的,加减天数add_days函数是不存在的,直接...
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JS卷动效果的调用函数:startmarquee - 建站技术 - 清泛IT论坛,有思想、有深度

... jquery.sgallery.js function startmarquee(lh,speed,delay,index) { /* 函数startmarquee的参数: lh:文字一次向上滚动的距离或高度; speed:滚动速度; delay:滚动停顿的时间间隔; index:可以使封装后的函数应用于页面当中不同的元素; ...
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warning C4996 - c++1y / stl - 清泛IT社区,为创新赋能!

...现这样的警告,是因为VC2005之后的版本中认为CRT中的一组函数如果使用不当,可能会产生诸如内存泄露、缓冲区溢出、非法访问等安全问题。这些函数如:strcpy、strcat等。对于这些问题,VC2005建议使用这些函数的更高级的安全版...
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Easy way to prevent Heroku idling?

...ation Available' message. This also works great with Pagoda, and any other sleepy host. – Jacob Evan Shreve Jun 18 '13 at 21:21 ...
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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly

...ng mtime, seconds, useconds; gettimeofday(&start, NULL); usleep(2000); gettimeofday(&end, NULL); seconds = end.tv_sec - start.tv_sec; useconds = end.tv_usec - start.tv_usec; mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5; printf("Elapsed time: %ld mi...
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计算统计特征(正态分布)函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

计算统计特征(正态分布)函数及实例main函数:#include "stdafx.h"#include "stdev.h"#include <map>int _tmain(int argc, _TCHAR* argv[]){std::map<int, int> map_...main函数: #include "stdafx.h" #include "stdev.h" #include <map> int _tmain(int argc, _TCHAR* argv[]) { std:...
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CDC:DrawText 多行显示文本(文本自动换行) - C++ UI - 清泛IT社区,为创新赋能!

...mp;rect, DT_LEFT | DT_TOP | DT_WORDBREAK | DT_EDITCONTROL, m_pfSongTi); 函数原型: int DrawText( &nbsp; &nbsp; HDC hDC,&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; // handle to DC &nbsp; &nbsp; LPCTSTR lpString, // text to draw &nbsp; &nbsp; int nCount,&nbsp; &nbsp;&nbsp; &nbsp; // text length &n...
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How to stop a goroutine

... close(ch) return } time.Sleep(100 * time.Millisecond) } }() go func() { time.Sleep(3 * time.Second) done &lt;- struct{}{} }() for i := range ch { fmt.Println("receive value: ", i) } fmt.Prin...
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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?

...ackoverflow.com%2fquestions%2f14579124%2fwhy-does-whiletrue-without-thread-sleep-cause-100-cpu-usage-on-linux-but%23new-answer', 'question_page'); } ); Post as a guest ...
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How do you run multiple programs in parallel from a bash script?

...ss terminates. time xargs -P 3 -I {} sh -c 'eval "$1"' - {} &lt;&lt;'EOF' sleep 1; echo 1 sleep 2; echo 2 sleep 3; echo 3 echo 4 EOF The output looks something like: 1 # output from 1st command 4 # output from *last* command, which started as soon as the count dropped below 3 2 # output fro...