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How to run functions in parallel?

...find an answer to my question. I am trying to run multiple functions in parallel in Python. 6 Answers ...
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[工程源码实例] C++ ADO 读写Excel源码及注意点 - C/C++ - 清泛网 - 专注C/C++及内核技术

...貌似找不到驱动,有解决的烦请评论告知下,谢谢。 3、定位单元格可以用整数索引,也可以用字符串列名(第一行的文字)。 4、SELECT * FROM [中文Sheet名$] 中文Sheet名后要加"$"。 5、单元格为空的话,v.vt 值为 VT_NULL。|1454|1455C...
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lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术

..."栈"上,然后获取数据,栈中的每个数据通过索引值进行定位,索引值为正时表示相对于栈底的偏移索引,索引值为负时表示相对于栈顶的偏移索引,索引值以1或-1为起始值,因此栈顶索引值永远为-1 ,栈底索引值永远为1 。 "栈"...
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Benchmarking (python vs. c++ using BLAS) and (numpy)

...e python for my program, what could I do to increase the performance when calling BLAS or LAPACK routines? Make sure that numpy uses optimized version of BLAS/LAPACK libraries on your system. share | ...
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Programmatically get the cache line size?

All platforms welcome, please specify the platform for your answer. 8 Answers 8 ...
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CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术

...编辑器在对话框上拖放一个picture控件,用来对GridCtrl控件定位用。定义其ID为:IDC_GRID_POS 图4 接着,在CGridCtrlTestDlg类中定义一个CMyGridCtrl的成员变量:m_GridCtrl。然后再在CGridCtrlTestDlg::OnInitDialog()中添加对控件的初始化代码: ...
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CPU指令集avx程序无法运行,运行崩溃 - C/C++ - 清泛网 - 专注C/C++及内核技术

CPU指令集avx程序无法运行,运行崩溃cpu_avx_run原因就是CPU不支持相应的指令集导致的。Linux上使用 lscpu 命令查看CPU指令集,看是否支持。比如_mm256_cmpeq_epi64 这个函数需要avx2指令集,但是CPU不支持,就导致程序崩溃起不来。原因...
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Timer function to provide time in nano seconds using C++

...psets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a problem. See the second post by sebbbi, where he states: QueryPerformanceCounter() and QueryPerformanceFrequency() offer a bit better resolution, but have different issues. ...
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Best way to iterate through a Perl array

...ay elements occurs. ($_ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.) #5 might be similar. In terms memory usage: They're all the same except for #5. for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the array...
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解决WaitForSingleObject阻塞UI线程的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

解决WaitForSingleObject阻塞UI线程的问题WaitForSingleObjec 等待线程结束时会阻塞UI线程,导致界面不响应鼠标操作。解决原理:等待过程中对消息队列中消息进行转发处理。代码如下...WaitForSingleObjec 等待线程结束时会阻塞UI线程,导致...