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How to Create Deterministic Guids
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As mentioned by @bacar, RFC 4122 §4.3 defines a way to create a name-based UUID. The advantage of doing this (over just using a MD5 hash) is that these are guaranteed not to collide with non-named-based UUIDs, and have a very (very) small possibility of collisi...
Is Fortran easier to optimize than C for heavy calculations?
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Portable way to get file size (in bytes) in shell?
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answered Nov 29 '09 at 13:45
Carl SmotriczCarl Smotricz
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select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...连接如下所示：
select：http://www.cnblogs.com/Anker/archive/2013/08/14/3258674.html
poll：http://www.cnblogs.com/Anker/archive/2013/08/15/3261006.html
epoll：http://www.cnblogs.com/Anker/archive/2013/08/17/3263780.html
今天对这三种IO多路复用进行对比，参考网上和书...
round() for float in C++
...ath (according to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf)
#include <cmath>
#include <iostream>
int main(int argc, char** argv) {
std::cout << "round(0.5):\t" << round(0.5) << std::endl;
std::cout << "round(-0.5):\t" << round(...
Could not load file or assembly … The parameter is incorrect
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347
Looks like a corrupted assembly being referenced.
Clear both:
the \bin folder of your proje...
Generate random numbers following a normal distribution in C/C++
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93
There are many methods to generate Gaussian-distributed numbers from a regular RNG.
The Box-Mul...
How do I handle the window close event in Tkinter?
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183
Tkinter supports a mechanism called protocol handlers. Here, the term protocol refers to the int...
Drop data frame columns by name
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937
You can use a simple list of names :
DF <- data.frame(
x=1:10,
y=10:1,
z=rep(5,10),
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