49,766 Topics
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| | Hi! I made a visual c++ application. My problem is how do I run the program in the console. And the program should read the data from sample.txt file |
| | Hi, I was hoping that someone could give me some direction with how to solve this probem. The only info in this problem is word has N digits[only digits] and each digit in the word is in increasing order example 1469 or 362 I have to verify if the number … |
| | hello everone i'm new to c++ language Is This possible to make prg in cpp to overload () Opratore if yes, then can u pls give any logical flow for develope the prg i.e. which kind of opeartion can be performed through () opratore thanx in advance  |
| | how to add graphics library to Turboc++5.0 so as to run functions like circle(x,y,r); I am using XP sevice pack2. Plz help me. thanks in advance  |
 | I get the size of the integer array by using sizeof operator but the problem is: + Outside class: It outputs 3 (correct) + Inside class: It outputs 1 (incorrect) So how to fix it? Thanks [CODE]class A { public: A(const int a[]); }; A::A(const int a[]) { cout << … |
| | I am writing an implementation of a DES encryption with a 64 bit plaintext, taken from the pixel information in a BMP file. So I want to skip the header which is 54 bytes, but I am not sure how to do this. This will not be a dynamic project, …  |
| | hi all its me again, i just added a replace function but its throwing error C2661: 'std::basic_string<_Elem,_Traits,_Ax>::replace' : no overloaded function takes 2 arguments. any idea? [CODE] #include <iostream> #include <string> using namespace std; string padBlanks(string, int); void removeLetter(string&, char); int main() { string string1; int padN; string inStr; char …  |
| | Why is this array not printing in 2D? [ICODE]#include <iostream> #include <iomanip> using namespace std; const int COLS = 5; const int ROWS = 5; void showArray(int [][COLS], int); void arrayDef(int [][COLS], int); void totalCol(int [][COLS], int); void totalRow(int [][COLS], int); void totalDiag(int [][COLS], int); void inputAmt(int [][COLS], int, int, …  |
| | I'm new and I don't want to waste anyone's time, but I searched and found nothing on this. I am to write a simple CRC-16 routine. My compiler (microsoft) will not accept a char[] as an operand when I try to execute the xor. char msg[5] = {'A','B','C'}; int generator … |
 | i need to create a palindrome program. in our computer lab, this program works but here at home, it doesn't. help.. [CODE=c++] #include<iostream.h> #include<conio.h> #include<string.h> #include<stdio.h> int main() { clrscr(); char word[20],rev[20],chr; cout<<"This porgram checks if the word is a PALINDROME word.\n"; do { cout<<"\nEnter word: "; cin>>word; for(int i=0,j=strlen(word)-1;i<=j,j>=0;i++,j--) … |
| | I've never programed in C++, and I have just started to learn C++, but I already get a little bit to complicated homeassignement. Is there anyone willing to help me - let's say solve me this excercise. I would appreciate any help with this and if there is anyone willing … |
 | Hi, im reding a book where the way it draw poligons are like that: [CODE] glBegin (GL_TRIANGLES); glVertex3f (0.0f, 0.0f, 0.0f); glVertex3f (0.0f, 1.0f, 0.0f); glVertex3f (1.0f, 1.0f, 0.0f); glEnd(); glBegin (GL_QUADS); glVertex3f (0.05f, -0.05f, 0.0f); glVertex3f (0.95f, -0.05f, 0.0f); glVertex3f (0.95f, -0.95f, 0.0f); glVertex3f (0.05f, -0.95f, 0.0f); glEnd(); [/CODE] … |
| | I'm working on this program for my C++ class. It works fine but I'm not quite happy with it. Basicly this accepts a string, pulls each character out and converts it to the COA equivalent. It reads the entire string including spaces, but I can't seem to get it to … |
| | Hi guys. I was wondering if you could help me with this problem. I am trying to pass a dynamic array to a function for finding the length [code] int length(char ** t, int i) { int count = -1; do count++; while (t[i][count] != '\0'); return count; }[/code] The … |
| | 'lo there folks, MinGW's giving me 1 error I can't get rid of: [code] eventhandler.h|9|error: `element' has not been declared| eventhandler.h|9|error: ISO C++ forbids declaration of `elem' with no type| [/code] All code mentioned and I think needed: eventhandler.h [code=cpp] #ifndef EVENTHANDLERH #define EVENTHANDLERH #include "element.h" enum events {onClick, onHover}; … |
 | so say I have something like this: [code=cpp] #include<iostream> class A{ public: void setErrorMessage(char*); } void A::setErrorMessage(char* errMessage){ // code here to set B::errMsg } class B{ public: A someObject[3]; char* errMsg; } int main(int argc,char** argv){ B something; B another; something.someObject[2].setErrorMessage("BIG ERRAR!"); another.someObject[0].setErrorMessage("everything's okay!"); cout<< something.errMsg<< endl; cout<< another.errMsg<< … |
| | Hi I have been working on a project that requires me to be able to search a file for all occurrences of a string and store the entire line that contains a single occurrence of that string a an array of characters. For example: Search: web File: Time James [U]Web[/U]ster … |
| | If I do this, I get "warning: address of local variable returned". [code] unsigned char* CharArray(void) const { unsigned char arr[3]; arr[0] = R_; arr[1] = G_; arr[2] = B_; return arr; } [/code] So the reason for that is that the memory allocated for arr[] is only available within …  |
| | i need help using the following .h file to Write a definition of a member function void complementSet(); which for a set A, the complement of A is the difference of U-A, where U is the universe set. Would the universe set be the monthsSet istself?? Thank you all very … |
| | Each time the program goes through a loop, nameField gets bigger and bigger. Strcat keeps adding new names to the field. How can I clear the field after each output? I thought it was something like nameField = {' '};...but that doesn't work. There has to be a simply way … |
| | I'll start any posts I make the same way, just so people know that I'm NOT trying to get homework done... Before I begin, let me start by saying that this is NOT homework. I am also not enrolled in a C++ class. I am simply trying to learn C++ … |
| | Hi, all Like i asked before, This thread is about Memory Leak. I am a beginner in c++ and want to become a senior programmer. When i was coding, i found the memory leak is happening everywhere and maybe some senior programmer also have this problem. So i want to …  |
| | I'm writing a simple networking application. I'm using berkley sockets and was wondering if there was a way to enable the UDP w/ ACK option when setting up a udp socket. I know the UDP protocol has an field (in the options area) to enable it but I'm unsure on … |
| | I am doing an assignment that has to use a class dayType. The program has to set the day, print the day and return the next day. I am receiving the error: --------------------Configuration: Program9 - Win32 Debug-------------------- Compiling... Program9.cpp C:\Documents and Settings\Faculdade\ISM3232\Assig9\Program9\Program9.cpp(45) : error C2447: missing function header (old-style formal … |
| | Hi, all i am reading some memory leaking problem articles now. Here is one question i can't understand: [code=c++] char *a= new char[10]; char *b= new char[10]; b=a;//pointer assignment delete []b; [/code] In this article, it mentioned that the pointer assignment have side-effect and we couldn't delete pointer b from … |
 | I'm having frustrations with C++... when I try and compile my code (as simplistic as it is), I keep getting a 'Shape' not declared error, but I'm fairly certain that I've written it correctly. shape.h [CODE]#ifdef shape_h #define shape_h using namespace std; class Shape { public: Shape(); virtual ~Shape() = … |
| | Hi all, I have written a C++ code that reads data (as double) from a huge binary file with size 2.5 GB, then process the data and write it to another binary file. What is really strange, the code works fine and smooth in Borland C Builder 6, but since … |
| | Hello all smart people! My problem is that the code below somehow should be able to summarize the [I]double betalat_andras[/I] and the [I]double skyldig [/I](not with each other) for each specific person. That is if a Person Bob is added with [I]betalat_andras = 1 [/I]and [I]skyldig = 2[/I] and then … |
| | I have a project and am hung up at the moment. I am supposed to read from a file containing all of the function calls that I need to make. For example: Insert(33) would call the Insert function with an int paramater 33. How can I read this in from … |
| | Hi I'm a new user of c++ and our professor gave us a homework problem where we have to find the standrad deviation, the min, the max and the avg of an array of numbers, here is what I have so far but now I'm really stuck trying to make … |
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