Linked Questions

Note: The answers were given in a specific order, and have received varying amounts of votes over time. Since the order of answers depends on your answer sorting preferences, here's an index of the ...

I have to format std::string with sprintf and send it into file stream. How can I do this?

Since ANSI C99 there is _Bool or bool via stdbool.h. But is there also a printf format specifier for bool? I mean something like in that pseudo code: bool x = true; printf("%B\n", x); which would ...

Suppose I have a code like this: void printHex(std::ostream& x){ x<<std::hex<<123; } .. int main(){ std::cout<<100; // prints 100 base 10 printHex(std::cout); //...

If it doesn't, do you know what compiler or version will? See cppreference/format.

I have a function to return a bool: bool restart() { std::string answer; bool answered = false; while(answered == false) { cout << endl << endl << "Do you ...

#include <iostream> #include <cmath> #include <string> using namespace std; string STRING; bool isEqual(double a, double b) { return fabs(a-b) ==0; } int ...

bool one = true; bool two = false; bool three = true; bool four = false; cout << boolalpha; cout << "value of one : " << one << endl; cout << "value of ...

I am a newbie at C++ and I got really stuck at this problem: When the user enters 2 numbers EX: 1 and 2 than the code has to figure out if the first number is grater or not from the first one, the ...

So I have a function called isEmpty() to check if a specified array has been filled with variables. bool isEmpty() const; This is: bool Array::isEmpty() const { if(elemData == NULL) ...

I had to create a function that takes an integer parameter called number and the function would check to see if number is a prime number or not. Everything works but the output to the user would be a ...

I need a macro that takes input as MACRO(x, y, z, ...) and expands to arr[0] == x && arr[1] == y && arr[2] == z ... Any ideas? arr is char[], and macro args are single chars

I was trying to locate vector a in vector b. So it's like if vector a is in vector b then return true else false. And vector a should be like {1,2,3} and b should like {4,1,2,3,5,5,7}. The output of ...