51,593 Topics
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| | My aim is to read a part of excel sheet for which I have written C# DLL,Now I have to call my DLL from a per written unmanaged C++ program.... plz help n plz dont suggest to create a seperate C++ client program.....coz I can't do that... following is the …  |
| | Can anyone tell how to print a pascal's triangle... i've wriiten a code but it is not printing the triangle as the way iwanted it to.. here is my code: [code=cplusplus] #include<stdio.h> #include<conio.h> void main() { int n,a[50][50],x,y; clrscr(); printf("Enter the number rows:\t"); scanf("%d",&n); for(x=0;x<n;x++) { for(y=0;y<=x;y++) { if((y==x)||(y==0)) { … |
 | Normally I call this function like this [code] void MouseButton(int button, int state, int x, int y); ... glutMouseFunc(MouseButton); [/code] But now I would like to pass a member function instead of a "real" (non-member? whats the word for this?) function. [code] class Plot { void Plot::MouseButton(int button, int state, … |
| | hi, This is a doubt about the pseudo-eof.If i have an 8 bit system, Then the pseudo eof has to be above 8 bits...so should i allocate 16 bits for every character just so that my eof can exist?..if its a 16 bit system I have to use 24 bits? |
| | Hi y'all. I was wondering if someone could help me out a little bit. I have a couple problems due in my Scientific Programming class, and I am fairly lost. I posted another question in the C forum, but I think I was able to solve it on my own. … |
| | I want some logic to shuffle numbers from array if a[5]={1,4,3,7,5,} then after shuffling 1,4,3,7,5 should be in any other order please help |
| | First I just wanted to say thanks for all the help everyone has provided for me before. I'm sure you wanted to reach through the internet and strangle me :) . I having some difficulty with understanding/implementing a linked list class with another class. Just something as simple as interacting … |
| | This is the first time I'm trying to compile code that I've written using a main program file, a .h file and a .cpp implementation file. I'm using Dev C++ 4.9.9.2 and when I try to compile my main.cpp file, I get several errors of this sort. 1 F:\COP1335C\LAB#3\Time.cpp In … |
| | This goes out to only the users of Dev C++ (or people knowledgeable with this compiler). I am trying to consolidate all of the files needed to run Dev C++ onto a flash drive so I can use it on multiple computers. I have been having problems getting the app … |
| | Hello again guys, I am trying to sort an array. First i must get the info from a txt file. The txt file has numbers and the only way i can put them into an array is to put them into a char array. Now my problem is i need …  |
| | I have a file with a network map consisting of 0's and 1's. I want to read this map into a two-dimensional array. I have the following code: [CODE] #include <iostream> #include <fstream> using namespace std; int main() { char map[22][22]; // 22 x 22 (r*c) ifstream fin; fin.open("netmap.txt"); char … |
| | I am showing a printDialog like this: [code] if (printDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK) { PrintDialog(); } [/code] Now when this dialog comes up I want to print all textContents that is in richTextBox1 and I am not sure how to define that. I have begun some code like this but are … |
| | I started a program that calculates an employee's weekly gross pay when the user inputs hours worked and hourly pay rate. With what I have so far, it compiles fine, but gives these errors: on Dev-C++: message: [Linker error] undefined reference to 'get_pay(float, float)' Id returned 1 exit status file: … |
| | I got this error message: error C2447: '{' : missing function header (old-style formal list?) What does it mean? How can I fix this? Please let me know. Thank you! I started with... #include <iostream> using namespace std; int num; { and then i added my variables... |
| | i want to write a c++ program that reads the original price of the item sold, the percentage of the mark up price, and the sales tax rate. the program then outputs the original price of the item, the percentage of the mark up, the store's selling price of the …  |
 | can anyone recommend me a website with a sample of socket which can help me create a 2-player game in c++, or much better, a game using socket?tnx |
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| | where can i download windows.h and mmsystem.h header file(for my turbo c++ v3.0)  |
| | hi gud pm!!!! i have a problem the compiler says that in this code..."name lookup change ISO 'for' scoping then using obsolete binding at i"... please help badly!!!! for (int i=0; i<20; i++){ r [i]=0; } switch (ch){ case 'a': cout<<"Please enter your password first\n"; if (ch=='a' && r[i]!=0){ clue(); … |
| | Can anyone help me understand function polymorphism ? |
| | Help me please i need a code for this menu.... Menu a) Clue b) change password c) Exit i need it badly please.... the password for this code is for string, and char. no numbers..... please can someone make me one for this......... |
| | Here is the code: [CODE]#include <iostream> #include <fstream> #include <iomanip> using namespace std; int main () { ifstream fin; ofstream fout; int item1=0, item2=0, item3=0, item4=0, item5=0, amount; char item; fin.open("input.txt"); fout.open("output.txt"); if(fin.fail()) { cerr << "Input did not open\n"; exit (2); } if(fout.fail()) { cerr << "Output file did … |
| | Hey, ive debugged my program to this line, and im not sure what to use, strcpy or some other thing, but i need to get the string from a[x] in to the new string c[z]. Any suggestions? [code=c++] string a[100]; string c[100]; if (a[x].compare(b[y])==0) { c[z] = a[x]; //doesnt work … |
| | can any one help about this data type __int8, visual studia.net c++. How to define it.And if u can, can you show mee alittle program to see how it works. Thanks alot |
| | Hi. I got some experience with win32 programming but I fell I'd like some pointers for this. I'm doing this program for fun and to learn. Program: I'm gonna do a program/bot that automates the mouse movement and clicks instead of a human actually touching the mouse. So my friend … |
| | I am trying to create a program that takes a car year and weight inputted from the user and determines the weight class and registration fee. This is what my code looks like but I am getting an expected primary-expression before 'int' error. Could someone please help me. [code=cplusplus] #include … |
| | Good Day!!! I have a problem in creating a code using dev cpp. Can you complete my code? This is my code: [code=cplusplus] #include <iostream.h> #include <string.h> void change(); void clue(); void menu(); void compare(); char n1[8]; char n2[8]; char n; main(){ do{ char name[20]; char n; system ("cls"); cout<<"Menu:\n"; … |
| | i have to write a program to find sum of the sequence using loops the sequence is [B]x-x^2/2!+x^3/3!-x^4/4!+.....[/B] |
| | Hi, Is it possible to run another program from within a first program and after running it return back to first program.  |
| | As you guys might have guessed form the threads name, I have a few questions that am going to post under one thread because i don't want to stuff the front page...thanks in advance. 1. Why are function prototypes mostly declared before the main(), but the actual function is under … |
| | I've got an array BM[] with a length of 5. How would I declare my function in the heading and what am I doing wrong in my code, it keep giving me errors. Also I dont know how to apply it to my program to do the sorting. Like would … |
| | Dear all, I have a question about inheritance in C++. Suppose there is a base class called "A", with a protected variable "list_" which basically stores a list of objects with type "P", and also there is a method in class A which adds objects to the list. There are … |
| | Hello. I have been asked to write a function which Return the minimum index of the nodes with a lexigraphically larger name". But I am confused that what is lexigraphically |
| | Hello, I faced a problem to use a function in struct format. If I insert the data to the Contact("Ada", "ada@ust.hk", "12345678")). How can I print it out by using the Contact class member "print"? Thank you. [code=cplusplus] typedef struct DLL_node { DLL_node *prev; DLL_node *next; Contact *contact; } DLL_node; … |
 | I have searched the forum , also over internet but i didn't found any understandable method to convert float number to string , Please help Me in conversion. |
| | [CODE]#include <iostream> //Using for input and output #include <iomanip> //To set each number a determined place in the print function /* This program will try to move a knight around a chess board to each space exactly one time. How I will do that? I will first create the board … |
| | Em.. the problem is quite simple. This is the error output on when I try to build this. [CODE] error: no matching function for call to ‘Console::action_new(const char [5], const char [23], <unresolved overloaded function type>)’ [/CODE] This is the source... [CODE] /* Author: Wolter Hellmund Email: whellmundv@gmail.com --------------------------------------- This … |
| | I was just wondering if a C++ compiler is taking the source code and creating a binary file out of it with a .exe extension on it or something or does it translate it to assembly first and than assemble it from there. If it is binary I have always … |
| | Hi all i have been having this annoying problem. I can change th value of an memory address. the problem is tha the memory address changes every time the application restarts. Now i figured i would need to use a pointer. So i found a pointer that points to this … |
| | Hey all! I am having a problem copying Linked Lists. My Struct has the following fields. list->data list->number list->exit Exit is the tail, data is the head. I tried doing this.. copyList->data = list->data but it resulted in a fail of epic proportions. Can anyone give me a hand please? |
| | Hello, I am newbie of C++ Below is my code, I want to implement the function "printall " to print out the " contact" data in Dlinked_list. but I faced a problem to call out the function of class "Contact" of "print". for example: list.insert(new Contact("Ada", "ada@ust.hk", "12345678")); then the … |
| | As a part of an assignment I am to construct a copy constructor for a bitmap loader/manipulator class. 2 of the things that must be copied are struct headers (containing a bunch of useless bitmap information, with a tiny bit of useful stuff). Image Headerfile: [CODE=cplusplus]#pragma once #include "Drawer.h" #include … |
| | I came accross a strange thing, maybe it's stupid, or I don't have the knowledge of how linking actually works... I have a project that builds in a static lib, and anoter project that builds in an exe and links to the static lib. Compiled with MSVC 2005, all works … |
| | Hello, I am trying to do this assignment in the book. My objective is to create an interactive program which will calculate areas of a square or a triangle depending on the user input 's' or 't'. I am gone about 40% of the book so they dont expect me … |
| | My assignment is rather lengthy and kind of confusing to explain. I have to write a code to sort of create a book store. It needs to create a struct named book and have the user enter the book number, price, and copies sold. There must be at least 5 … |
| | Hey, I am trying to read in a random number of ints from a file into an array of pointers, while also incrementing the size of the array to match the number of new ints... I have come up with this piece of code which somehow works, but doesnt store … |
| | Hi all. I've written my own class Complex, that stores complex numbers. I've overloaded a whole bunch of operators so that you can work with them like with normal numbers. Then i wanted to overload 'new', but I tried it before overloading, and it "seems" to be working. I can … |
| | I am developing an application to Windows Mobile(WM 5). Using CAB am installing the application on the mobile. My problem is that I have to use a different FONT in my application. Can anyone provide me the code to install the font using c++/vc++? What i know regarding this is … |
| | Hi, I've been implementing my own array class, and I've finally started to use it. I do have one question, [CODE=c++] Array<int> ary1(3);ary1(0)=2;ary1(1)=4;ary1(2)=7; //just an array Array<int> ary2(3);ary2(0)=1;ary2(1)=2;ary2(2)=6; //just an array cout << ary1; cout << ary2; Array<int> ary3 = ary1+ary2; cout << ary3; //everything till this point works //is … |
| | Hi, Lets assume my preorder traversal gives me a unique tree.How do I get the tree from the preorder traversal? Any help is appreciated  |
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