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Real World Example of the Strategy Pattern
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Split a module across several files
...ut this is much simpler: just do each thing in its own file, then use the "include!" macro in mod.rs:
include!("math/Matrix.rs");
include!("math/Vector.rs");
include!("math/Complex.rs");
That way you get no added nested modules, and avoid complicated export and rewrite rules.
Simple, effective, n...
What is the difference between native code, machine code and assembly code?
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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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C++ convert hex string to signed integer
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ss >> x;
the following example produces -65538 as its result:
#include <sstream>
#include <iostream>
int main() {
unsigned int x;
std::stringstream ss;
ss << std::hex << "fffefffe";
ss >> x;
// output it as a signed type
std::cout...
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...
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...
Why do people say that Ruby is slow? [closed]
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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...