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C++ preprocessor __VA_ARGS__ number of arguments
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HolyBlackCat
37k55 gold badges6464 silver badges101101 bronze badges
answered Jan 23 '10 at 19:22
Kornel KisielewiczKornel Kisielew...
WPF Timer Like C# Timer
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need to add reference to WindowsBase.dll btw
– George Birbilis
Jan 9 '14 at 18:22
16
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Apply pandas function to column to create multiple new columns?
... 1 1 1
2 2 2 4 8 16 32 64
3 3 3 9 27 81 243 729
4 4 4 16 64 256 1024 4096
5 5 5 25 125 625 3125 15625
6 6 6 36 216 ...
np.mean() vs np.average() in Python NumPy?
... axes 0 and 1, I get wildly incorrect results unless I specify dtype='float64':
>T.shape
(4096, 4096, 720)
>T.dtype
dtype('<f4')
m1 = np.average(T, axis=(0,1)) # garbage
m2 = np.mean(T, axis=(0,1)) # the same garbage
m3 = np.mean(T, axis=(0,1), dtype='fl...
How do I find the MySQL my.cnf location
...trace mysql ";" 2>&1 | grep cnf
on my machine this outputs:
stat64("/etc/my.cnf", 0xbf9faafc) = -1 ENOENT (No such file or directory)
stat64("/etc/mysql/my.cnf", {st_mode=S_IFREG|0644, st_size=4271, ...}) = 0
open("/etc/mysql/my.cnf", O_RDONLY|O_LARGEFILE) = 3
read(3, "# /etc/mysql/...
What approaches are available to dummy design-time data in WPF?
...ng nothing wrong. The issue was that my application needs to be built for x64. As the Visual Studio is still in 2018 a 32-bit process and apparently cannot spin a 64-bit host process for the designer part it cannot use my x64 classes. The really bad thing is that there are no errors to be found in a...
When is it acceptable to call GC.Collect?
...2) every 850ms is just fine. Don't believe? Then just see PresentationCore.dll, MS.Internal.MemoryPressure.ProcessAdd(). I currently have an image processing app (small images, nothing with real memory pressure) where calling GC.Collect(2) takes longer than 850ms and so the entire app gets frozen by...
How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...with Advanced Services
Version 2012
Click download button and check ENU\x64\SQLManagementStudio_x64_ENU.exe
Version 2014
Click download button and check MgmtStudio 64BIT\SQLManagementStudio_x64_ENU.exe
Open Microsoft SQL Management Studio.
Backup original database to .BAK file (db -> Task -&...
C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...******
* 简单选择排序
* 稳定排序，O{n^2} ~ O{n^2}
* 从首位开始，循环一次找出一个比首位小的值，交换
*
* https://www.tsingfun.com
************************************/
#include<stdio.h>
#include<stdlib.h>
/*
第一种形式的选择排序
选择排序...
Convert SVG to image (JPEG, PNG, etc.) in the browser
...
var img = canvas.toDataURL("image/png");
// do what you want with the base64, write to screen, post to server, etc...
});
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