49,766 Topics
 | |
 | Hey guys, How would one create a vector of pointers to functions? I know from C to create an array of functions, but I'd like to learn how to do it with vectors as well. Here are my efforts so far: [code=cpp]#include <iostream> #include <valarray> #include <vector> #include <ctime> #include … |
| | Hi, I study C++ myself and can't solve a little problem. I created class konto (account) and it works fine. Now I want to create a class bank which contains several accounts and it should be possible to add a new account and to find a necessary account by number. …  |
| | hi again :) i was wondering how i would make a file automatically open with a program, eg: like after you install dev c++, .cpp files automatically open in the editor. how does the editor get the file's location? and how does it process it? |
 | In any payroll program, how does the program values (e.g employee id, hours worked,hourly rate) work with an .in file. Does the .in file have to be in a specific folder....I am using Bloodshed Dev C++.  |
| | just one problem my program is about high school dance cost report its project 07 1 of 2 projects left in the class and im almost done with im only having one problem i been trying to fix this problem for a few hours with function, and anything that could …  |
| | I want to be able to activate an easter egg in this program, but passing and reading these arguments is making me pull my hair out. Any ideas? [CODE]#include <cstdlib> #include <iostream> using namespace std; //(cc) 2008 Nathan Barndt //Attribution-Share Alike 3.0 United States License void easteregg() { //easteregg code … |
| | does any one can recomend me resource to learn mfc , cause all the web site i been through is too hard for me,plz(>w<) |
| | good day! can anyone teach me how to access images and display these images using c++?because i have a project regarding accessing and viewing images in mobile phones...kindly help me...:sad: |
 | I would like to have a global way to do something like this [code] #ifdef GRAPHICS //do some stuff that relies on graphics libraries that may or may not be installed #endif [/code] The problem with defines is that they have to be defined in every file, or at least … |
| | I need to run simple tests on a Linux cluster fro parallel programing. I have used only C++ before, but this Compositional C++ is not that good idea as I thought at first. I have read that there is also MPI libraries and High performance Fortran, but I have no … |
| | Hi, What is the dynamic array equivalent to this? int *array[10] --- int *array array = new int[10] I want something like the above, but I can't seem to figure out the correct way to do it Any help would be appreciated! Thanks! |
| | Hey guys. I'm just trying out something with the fstream library. In the next code, I'm trying to read from the beginning of the array (num1) and from the end of the array (num2) the file I have as an "entry" called "entrada.txt", which has the numbers 1 up to … |
| | This is strstr() function made by me as given in the practice problem. [code=c++] char *cstrstr(char s[],char ss[]) { int l1,l2,i,j,k,flag=0; char *p=NULL; l1=strlen(s); l2=strlen(ss); for(i=0;i<l1;i++) { //cout<<"i:"<<i; p=&s[i]; if(ss[0]==s[i]) { for(k=i,j=0;j<l2;j++,k++) { //cout<<"j:"<<j<<"k:"<<k; if(ss[j]==s[k]) { flag=1; continue; } else { flag=0; break; } } } if(flag) return p; } …  |
| | actully hv some problem in creating an assigment in my college assigment is about to draw a flow chart of online shooping frist to show the avaliable online shopping things then about shopping cart and at last calculation of all the bill :( i m vry much helpless |
| | assigning the address of a variable in c++ hi all, im very new to c++ and programming, googled this but couldnt find an answer if i want a instance of a variable, i can do this int a = 10; int & b (a); so now the address of both … |
 | my program is [ICODE] class stack { protected: int tos; int store[10]; stack() { tos = 0; } public: void push(int x); int pop(); }; void stack::push(int x) { cout<<"put the values into stack"; store[tos++] = x; } int stack::pop() { cout<<" get the values from stack "; return store[--tos]; … |
| | Hi!, i'm writing from Argentina. I need your help! I'm doing a project for the university and i have to make a Restaurant management. Well that´s not the problem. I have to log into the software, so i need to read from a file that have the user and password. … |
| | Hi, I am currently working on a homework assignment with the topic being a boggle game. We are creating the boggleboard class and one of the function that must be included is this: bool playWord (string word, string player) This method returns false if word does not appear in the … |
| | Hi im trying to make a packet filter in C++. The only point of it is to drop all packets sent and recieved, or allow all packets sent and recieved. And I need it to turn on and off by pressing F9. Can someone help me on maybe how to … |
| | This is the problem I need to solve. It comes directly out of a C++ Programming book: [QUOTE]A right triangle can have sides that are all integers. A set of three integer values for the sides of a right triangle is called a Pythagorean triple. These three sides must satisfy … |
| | how to create a dynamic string array to store string items using new ... |
| | Make a program so that the function main is merely a collection of function calls. Your program should use the following functions. a. Function openFiles: This function opens the input and out files, and sets the output of the floating point numbers to two decimal places in a fixed decimal … |
| | Its an exact change program but the output is not right. I don't know whats wrong in it. Can somebody please help me with program. #include <iostream> using namespace std; int main () { int twenties, tens, fives, singles, quarters, dimes, nickles, pennies; double purchase, pay, rempay=0; cout<< "please enter … |
| | I have been using GSL, but I find it very awkward to work with. Does anyone have a recommendation for another one to try? I can't seem to find any on google. Thanks, David |
| | [CODE] class A { int x; public: A(){} ~A() { cout<<this<<endl<<"bye"<<endl; } }; int main() { A a; a.~A();//bye return 0; // after return 0, destructor will be called and bye will be printed again } [/CODE] the destructor gets called twice. The 1st time, its explicitly called and the … |
| | what is the difference between a class declaration and a class definition ? Is it that a class which contains the prototypes of member functions is a class declaration? Is it that a class with member functions defined within the class , is a class definition ? |
| | why is the size of an empty class 1 byte ? does the compiler add some null byte ? |
| | Hye there.. I just want some ideas to make my program better.. Below is the code. Any comment or recommendation are appreciated. :) [CODE]/* * Name: Isihan dan Carian [Sorting and Searching] * version: 4.0.1 * Copyright © * Support: http://tempek.net78.net * Updates: August 27, 2008 * Compiler : Dev-C++ …  |
| | Hi, I'm using Expat to parse XML, and I have an array of attributes for an element. I need to be able to loop through them all, and get their values, I don't know the array size, and it's a multidimensional array, so I couldn't do [Code=C++] int count = … |
| | How do I sort 10 random numbers using quick sort with push() and pop() ? |
The End.