CPP Q&A

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The act of creating a new definition of a function, class, or member of a class
 from a template declaration 

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Mat M(100, 100, CV_64F);
cout << M.at(0,0);

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#include      // std::cout, std::dec, std::hex, std::oct

int main () {
  int n = 70;
  std::cout << std::dec << n << '\n';// write integer value using decimal base format.
  std::cin >std::dec n; //read integer value 

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well any true random generator is hard. take c++ for example: you have to import time 

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Mat A = Mat::zeros(100, 200, CV_32FC1);
Mat B = Mat::zeros(100, 200, CV_8UC3);

// Mat C = A.mul(B);

Mat 

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    float a, b, c, d, e;
    
    cout << "Finding the Area of Scalene Triangle using Heron's Formula\n";
    cout << "1st Side of a Triangle: ";
    cin >a;  
    cout << "2nd Side of a Triangle: ";
    cin >b;
    cout << "Angle Between Sides: ";
    cin >c;

    e = 0.5 *  (a + b + c); 	

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//Back color
button1-BackColor = Color::Black;
//or
string StringWithColorCode = "Black";
button1-BackColor = System::Drawing::ColorTranslator::FromHtml(StringWithColorCode);

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// C++ program to implement the erosion
// and dilation
#include 
#include 
  
// Library to include for drawing shapes
#include 
#include 
using 

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	float cel, kel;
    
    cout << "Enter the temperature in Kelvin: ";
    cin >kel;

    cel = kel - 273.15; //T(°C) = T(K) - 273.15

    cout << "The temperature of " << kel << " in Celsius is: " << cel;

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-Wall (Compilation option): Produce warning messages about a number of things that are legal but dubious. I strongly suggest that you always