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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...;
using namespace std;
typedef unsigned long long uint64;
double test_dp_mac_SSE(double x,double y,uint64 iterations){
register __m128d r0,r1,r2,r3,r4,r5,r6,r7,r8,r9,rA,rB,rC,rD,rE,rF;
// Generate starting data.
r0 = _mm_set1_pd(x);
r1 = _mm_set1_pd(y);
r8 = _mm_set1_pd(-0.0...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t
{
}
int size = sizeof(new TestStuct());
编译后，提示：
错误 1 “ConsoleApplication3.TestStuct”没有预定义的大小，因此 sizeof 只能在不安全的上下文中使用(请考虑使用 System.Runtime.InteropServices.Marshal.SizeOf)
修改为Marshal.SizeOf方法，改...
Total memory used by Python process?
...
For Unix based systems (Linux, Mac OS X, Solaris), you can use the getrusage() function from the standard library module resource. The resulting object has the attribute ru_maxrss, which gives the peak memory usage for the calling process:
>>> re...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...据；这里的UC_API就是在 config.inc.php中的定义的uc_server之URL地址。
2、uc_server的index.php接受参数数据，获得model为user，action为synlogin，就调用control目录下的 user.php类中的onsynlogin方法，通过foreach循环，以javascript的方式通知uc应用...
Create a GUID in Java
...y of collisions even closer to zero because of using "space and time", [1] MAC address or name, and [2] current date-time, as constraints.
– Basil Bourque
Jul 16 '15 at 21:28
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Tar a directory, but don't store full absolute paths in the archive
...platforms (OSes). -C option is said to add directory to the archive but on Mac and Ubuntu it adds absolute path prefix inside generated tar.gz file.
tar target_path/file.tar.gz -C source_path/source_dir
Therefore the consistent and robust solution is to cd in to source_path (parent directory of s...
How to detect Ctrl+V, Ctrl+C using JavaScript?
...h) thanks to Tim Down's suggestion (see comments)
EDIT: added support for Macs (cmd key instead of ctrl)
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Which version of MVC am I using?
... I hate when people say "just Google for it".
– mac10688
Oct 22 '14 at 18:29
@mac10688 nuget.org/packages/MvcDiag...
Text overwrite in visual studio 2010
... not sure how I got into this mode, but not insert key on my macbook, and this solved it.
– moke
Jul 21 '15 at 16:48
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Setting environment variables on OS X
... /Applications/Dev/jakarta-jmeter
Save your changes in vi and reboot your Mac. Or use the grep/xargs command which is shown in the code comment above.
Prove that your variables are working by opening a Terminal window and typing export and you should see your new variables. These will also be avai...