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9 Posted Topics
 | [CODE] class Myclass{ float x,y; void some_function(); }; void Myclass::some_function(){ Myclass* a = this; } [/CODE] |
| | [CODE] #include <iostream> #include <cmath> #include <string> using namespace std; int calculate(int,const char,int); int main() { using namespace std; int a,b; char operation[1]; cout << "Operations: +, -, *, /" << endl; cout << "Number 1: "; cin >> a; cout << "Operation: "; cin >> operation[1]; char op = …  |
| | [QUOTE=e40thrilla;1143787]I'm writing a simple program that reads a text file and counts the vowels in it and outputs how many are included. With the code I have I keep getting the wrong number of vowels outputted. Can anyone see where I made a mistake, I can't figure it out. my … |
| | [QUOTE=cog_bn;1143704]Hi, I've got a problem with a program that boils down to strange behavior by the vector container class. It seems to not want to call constructors enough but calls destructors too many times: [CODE] #include <vector> #include <iostream> using std::cout; int constructor_count=1,destructor_count=1; class obj{public: obj(){ cout<<"C: "<<constructor_count++<<'\n'; } ~obj(){ … |
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| | Different generating style 1..call the generator 2..make a temp string object first,and the copy it to the left variable. Haha, is it right?  |
| | [QUOTE=abhimanipal;1140797]Hello People, I just came across this code as I was browsing through some C++ problem sets. This code gives compile time error but I am unable to understand the reason. I am C guy and my knowledge about C++ is not that great. So pardon if there is an … |
 | [QUOTE=mitrmkar;1142828]Essentially a static member variable (be it of any type) is a variable that is common to all non-static instances of the class. Maybe the following explains it a bit .. [code] #include<iostream> using namespace std; // forward declaration class B; class A { // 'shared_value' is common to all … |
| | If the result is too big,it may overflow,because the variable has a fixed length. Exactly,you can use arrays to store every digit of the result,and at last,calculate the real value again  |
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