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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...体系, 可以表示最多256个符号.
但是, 这里又出现了新的问题. 不同的国家有不同的字母, 因此, 哪怕它们都使用256个
符号的编码方式, 代表的字母却不一样. 比如, 130在法语编码中代表了é, 在希伯来语
编码中却代表了字母G...
Parallelize Bash script with maximum number of processes
... want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
Run up to max-procs processes at ...
Calculate a Running Total in SQL Server
...)
FROM #t b
WHERE b.ord <= a.ord) AS b
FROM #t a
-- CPU 11731, Reads 154934, Duration 11135
Test 2:
SELECT a.ord, a.total, SUM(b.total) AS RunningTotal
FROM #t a CROSS JOIN #t b
WHERE (b.ord <= a.ord)
GROUP BY a.ord,a.total
ORDER BY a.ord
-- CPU 16053, Reads 15493...
I get a “An attempt was made to load a program with an incorrect format” error on a SQL Server repli
... dropdown, but the only item in the dropdown in both cases is "Active (Any CPU)".
– B. Clay Shannon
Aug 26 '13 at 19:12
...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...oing slow. It's a rich drawing API, which requires its work be done on the CPU, as opposed to a lot of UIKit work that is offloaded to the GPU. If you had to animate a ball moving across the screen, it would be a terrible idea to call setNeedsDisplay on a view 60 times per second. So, if you have su...
C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
arr[i-1] = key;
i--;
count++;
}
//将待插入的数定位到下一个元素,
//因为后面还要执行i++,所以这里不再加1
i += count;
}
}
}
/*
第二种代码形式
插入排序后的顺序为从小到大
*/
void Insert_Sort2(int *arr,int l...
How many concurrent requests does a single Flask process receive?
...ory with other processes. Gunicorn is here only to utilize multiprocessing CPU architectures but not handles those issues.
– adkl
Jun 25 '19 at 9:57
...
Windows batch: formatted date into variable
....
@echo off
setlocal
del /q /f %temp%\timestampfile_*
Logman.exe stop ts-CPU 1>nul 2>&1
Logman.exe delete ts-CPU 1>nul 2>&1
Logman.exe create counter ts-CPU -sc 2 -v mmddhhmm -max 250 -c "\Processor(_Total)\%% Processor Time" -o %temp%\timestampfile_ >nul
Logman.exe start ...
Apache Spark: The number of cores vs. the number of executors
...acities,
yarn.nodemanager.resource.memory-mb and
yarn.nodemanager.resource.cpu-vcores, should probably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. We avoid allocating 100%
of the resources to YARN containers because the node needs some
resources to run the OS and Hadoop daemons. In ...
AfxGetApp->GetMainWnd() 与 AfxGetMainWnd() - C/C++ - 清泛网 - 专注C/C++及内核技术
...Wnd()取得的是主窗口句柄,无论在那个线程里调用都是没有问题的,因为它先取得主线程句柄,再取得主线程的活动窗口(如视图切换可能导致的替代,这种情况我也不大清楚),如果没有活动窗口则取主窗口,任何程序总要有一个主...