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How to generate a random int in C?
...If you need a cryptographically secure number, see this answer instead.
#include <time.h>
#include <stdlib.h>
srand(time(NULL)); // Initialization, should only be called once.
int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might...
round() for float in C++
...ng 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(-0.5) <&l...
Why do we need a pure virtual destructor in C++?
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Timer function to provide time in nano seconds using C++
...a loop is correct.
For Linux (and BSD) you want to use clock_gettime().
#include <sys/time.h>
int main()
{
timespec ts;
// clock_gettime(CLOCK_MONOTONIC, &ts); // Works on FreeBSD
clock_gettime(CLOCK_REALTIME, &ts); // Works on Linux
}
For windows you want to use the Quer...
Entity Framework Provider type could not be loaded?
...ontext class will solve the problem in EF 6.1. This way you don't need to include the Entity Framework Nuget package in your front-end (WebApi, etc) project and can leave everything EF-related in your data layer.
– Nick
Nov 11 '15 at 21:34
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Are the shift operators () arithmetic or logical in C?
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What is the difference between and ? [duplicate]
Both tags include the content from one page in another.
6 Answers
6
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What is the difference between MVC and MVVM? [closed]
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How to make my custom type to work with “range-based for loops”?
...mpiler so the loop isn't manually expanded, code to reproduce live example included in answer.
– Yakk - Adam Nevraumont
Sep 21 at 15:18
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sh...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...d into preprocessing tokens (2.5) and sequences of white-space characters (including comments). [SNIP]
Preprocessing directives are executed, macro invocations are expanded, and _Pragma unary operator expressions are executed. [SNIP]
Each source character set member in a character literal or a strin...