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preprocessor directives

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Mr None answered on October 28, 2024 Popularity 7/10 Helpfulness 1/10

answer preprocessor directives

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preprocessor directives

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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. */

#include <stdio.h>   // Library for standard input/output operations
#include <stdlib.h>  // Library for memory management and general utilities

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

int main(void) {
    printf("Hello, World!\n"); // printf is imported from stdio
    
    // Allocate memory for an array of 10 integers using malloc from stdlib
    int *var = malloc(10 * sizeof(int)); // malloc is imported from stdlib
    
    // Check if malloc was successful
    if (var == NULL) {
        printf("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++) {
        printf("%d ", var[i]);
    }
    printf("\n"); // Newline for cleaner output

    // Free the allocated memory to prevent memory leaks
    free(var);

    return 0; // Indicate successful program completion
}

Popularity 7/10 Helpfulness 1/10 Language c

Source: Grepper

Tags: c c++

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Contributed on Oct 29 2024

Mr None

0 Answers Avg Quality 2/10

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SES custom domain

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Make sure you DON'T include the dot after the domain

Popularity 6/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: whatever custom-domain

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Contributed on Oct 28 2024

nicolello.dev

0 Answers Avg Quality 2/10

docker use database from host

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mysql://host.docker.internal:3306/my_awesome_database

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: docker host database whatever

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Contributed on Oct 28 2024

EnzoK

0 Answers Avg Quality 2/10

preprocessor directives

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