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preprocessor directives in C++

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Mr None answered on May 21, 2021 Popularity 3/10 Helpfulness 1/10

answer preprocessor directives in C++

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preprocessor directives in C++

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/* These are preprocessor directives in C++. They might sound like quite a mouthful, 
   but they're simply instructions that tell the compiler to include libraries.
   These libraries contain a set of pre-written functions and tools, making it easier 
   to perform various tasks without reinventing the wheel. */

// Library for standard input/output operations
#include <iostream>
// Library for general utilities
#include <cstdlib>

// It is preprocessor directives that allow access to these sets of functions

int main() {
    std::cout << "Hello, World!\n"; // cout is imported from iostream
    
    // Allocate memory for an array of 10 integers using new
    int* var = new int[10]; // new is used in place of malloc in C++

    // Check if memory allocation was successful
    if (var == nullptr) {
        std::cout << "Memory allocation failed!\n";
        return 1;  // Exit the program if memory allocation fails
    }

    // Assign values to the allocated memory
    for (int i = 0; i < 10; i++) {
        var[i] = i;
    }

    // Print values stored in allocated memory
    for (int i = 0; i < 10; i++) {
        std::cout << var[i] << " ";
    }
    std::cout << "\n"; // Newline for cleaner output

    // Free the allocated memory to prevent memory leaks
    delete[] var;  // delete[] is used to free memory allocated with new

    return 0; // Indicate successful program completion
}

Popularity 3/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Oct 29 2024

Mr None

0 Answers Avg Quality 2/10

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class Student { int age; Student(int age) { this.age = age;  } } public class TestClass { public static void main(String[] args) {  Student s1 = new Student(3);  Student[] sa = go(s1, new Student(5));  sa[0] = s1;  for(Student s : sa) {  System.out.print(s.age + " ");  }  } static Student[] go(Student s1, Student s2)  {  s1.age = 2; Student[] sa = {s2, s1};  return sa;  } }

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: www.techgig.com

Tags: output ou

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Contributed on May 21 2021

Disgusted Dog

0 Answers Avg Quality 2/10

output

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-1

output:
  <output qualifier> <output name> [into <target channel>[,channel,..]] [attribute [,..]]

Popularity 10/10 Helpfulness 1/10 Language java

Source: www.nextflow.io

Tags: java

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Contributed on Jun 29 2022

Faithful Fox

0 Answers Avg Quality 2/10

output

Comment

cout<< "Your output here";

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Oct 07 2022

Odd Ocelot

0 Answers Avg Quality 2/10

How can I convert string value to object property name

Comment

PropertyInfo pinfo = typeof(YourType).GetProperty("YourProperty");
object value = pinfo.GetValue(YourInstantiatedObject, null);

Popularity 1/10 Helpfulness 1/10 Language csharp

Source: stackoverflow.com

Tags: c# object-property string

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Contributed on Oct 28 2024

Evil Eland

0 Answers Avg Quality 2/10

uri endpoint

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The URI of the data to be accessed, queried, or modified

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: endpoint uri whatever

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Contributed on Oct 28 2024

Julio Krause

0 Answers Avg Quality 2/10

preprocessor directives in C++

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