886 questions
I heard it somewhere, but it doesn't come outWhat is object sliding?
std::map< std::string, std::map<std::string, std::string> >My brother m[name1][value1] = data1;m[name1][value2] = data2;m[name2][value1] = data1;m[name2][value2] = data2;m[name3][value1] =...
#include <iostream>using namespace std;void mthchange(int day) { int mday = 0, mth = 0; int arr[12] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30}; while (mday <= day) { mday += arr[mth];...
Point class, which stores coordinates of points, andRectangle class that inherits Shape.#include <iostream>#include <vector>#include <string>using std::cout;using std::endl;class Poi...
How do I lowercase std::string?Is there any other way besides my sauce?This looks so messychar upperToLower(char in){ if(in<='Z' && in>='A') return in-('Z'-'z'); return in;}...std::trans...
I learned about C language and C++ in first gradeIn the first semester of the second grade, 'data structure theory' and 'multimedia programming' are two required subjects. I wonder what is the differe...
As far as I know, the static variable defined in the scope of the function is initialized only once and remains even after the function endsWhat is the exact lifetime?When exactly are the constructors...
I'm taking a C++ course and in the textbook,It says so. Other than that, you can understand it for readability or safety reasonsI don't understand to use {} even when writing a line.I think the source...
Which one is better between the two methods below? Please write down the reason, tooint x = 3;x = x >> 1;x = x / 2;
When I wrote in C, I only checked the value between 'A' and 'Z' when I checked the capital letters. inline int is_upper_alpha(char chValue){ return ((chValue >= 'A') && (chValue <= 'Z'))...
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