49,765 Topics
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 | What is the difference in these two lines? #define X 100 const int Y 100; Apart from the fact that one is for X and the other is for Y (har har, very funny) effectively don't they do the same thing? Why would one be preferable over the other? |
| | Making a "hello" world program in VC++ 6.0 is cool, as I got a very happy feeling when i completed it... but reading alot of books to learn "a round about" way in something isn't me. I'm objective oriented. What materials should I, could I, get my hands onto learn … |
| | Hi, Trying to overload - and getting this error. I am not sure why.. error C2447: missing function header (old-style formal list?) [code] #include<iostream.h> #include<string> #include<new> #include<ctime> using namespace std; class D { public: D operator- (const D &d2); }; D D::operator- (const D &d2); { //error points to here!! … |
| | Hello there, I just want to ask if any of you guys here had experienced writing hardware controllers (dvd-rom, hard disk) using scsi protocol-multimedia commands. I just want to know your suggestions or maybe tutorials or example codes to well experienced in mmc (both windows and linux :)) that would … |
| | I'm fairly new to C++ and have an assignment that is knocking me out. The text file is fairly simple: Plain Egg 1.45 Bacon and Egg 2.45 Muffin 0.99..... etc.... And the code is: [code=c] //Breakfast Billing System //Marlen LaBianco //May 20, 2007 //Program to calculate a local restaurant's breakfast … |
 | **I know the code looks big, but it's a very small isolated section at the bottom (starting at line 164) that's giving me the problem.** When this program is run, when I try to open the file I just appended some text to, it doesn't open... can anyone spot why? …  |
| | Dear All, Please help me regarding this C++ Assignment. Q.1 [COLOR=green]Write a program using [B]malloc[/B] function. In which you take input from user and allocate memory equal to square of this number. Which multiply numbers and draw a table in the following format?[/COLOR] [B][COLOR=green]Hint: User enters 3 then program allocates … |
| | Hi all, I have a QUESTION regarding [B]data validation[/B] I'm writing a program, where i want the input to be [U]only integers[/U]. so if they enter things such as letters or symbols it won't crash my program. i tried stuff like, while(inputArray[count] != int) { cout << "Invalid Input. Please …  |
| | here's the description: ============================================= You are asked to develop a C++ program that reads a text ¯le given by the user (e.g. test.txt), and output the frequency of the prepositions contained in the text ¯le on the screen. Your program shall provide a simple interface for the user to input … |
| | hi, i have a another question about converting char to int in C++. if i have [U]char n="123[/U]" and [U]char n2= "87"[/U] and i wanna sum those two char...how can i do that? i know i have to [COLOR=green]change[/COLOR] each [COLOR=green]char[/COLOR] in [COLOR=green]int [/COLOR][COLOR=green]but for the rest...[/COLOR] thank |
| | this loop will not exit when n is pressed I sure would appreciate a clue as to how to exit a loop. here is the code. code [COLOR=green]// Ex3_12.cpp[/COLOR] [COLOR=green]// using a while loop to compute an average[/COLOR] [COLOR=green]#include[/COLOR][COLOR=green]<iostream>[/COLOR] [COLOR=green]using[/COLOR][COLOR=green] std::cin;[/COLOR] [COLOR=green]using[/COLOR][COLOR=green] std::cout;[/COLOR] [COLOR=green]using[/COLOR][COLOR=green] std::endl;[/COLOR] [COLOR=green]int[/COLOR][COLOR=green] main( [/COLOR][COLOR=green]void[/COLOR][COLOR=green] )[/COLOR] { …  |
 | I don't know how to sparate the interface and their implement.And I need some help from you.For example,I hope anybody can tell me,how to make these three files to work well. [CODE] //This file named main.cpp #include <iostream> #include "ABC.h" using namespace std; int main(void) { char y='y'; char e='e'; … |
| | hello guys, can anyone recommend me a site or alink for agud e book in learnin c++..startin from basics to advance...i have a very clear picture of C and data structures using C... |
| | hi all have anyone any idea how can i make my program read 3 or 4 files ,in a folder. i mean my input isn't only one file, it's a folder. can the C++ do that? |
| | Using Visuel Studio 2005 and the choices I have are as follows Could someome help me to understand what they are? ALT CLR General MFC SMART DEVICE WIN32 Any help to clarify what these choices mean would be Appreciated. Thank you Dick |
| | I'm trying to write a program where the user gives a size of an array. myArray(5) (below) fills and prints a 5x5 array with numbers 1-5 and prints out 5 numbers on a line. The output would look something like this... [code] 1 2 3 4 5 1 2 3 … |
| | Hi all, I am working on a C++ program that converts a decimal to a fraction, finds the lowest common multiple, multiplies the numerator by the denominator, then reduces the fraction again so the fraction will be 'numerator/1'. I am using this code in a larger program to change a … |
| | Does anyone have any experience with the free Microsoft development enviroment called Visual C++ 2005 Express Edition? I have downloaded and installed it and I notice it is a lot different than what I am used to. Is MFC gone? If you click on New to create a New Project, … |
 | Hello; i have this Question and need your help, i do not know how to solve it; [B]Problem:[/B] Write a member function called [B]countNodeWithNoRchild[/B] that will return the number of nodes in a BT(binary Tree) does not have a right child. (Hint: a leaf node also does not have a …  |
| | does gcc compiler support graphics file ?how to write graphics program in gcc?pls guide me. in india how to get gcc compiler cd? send me some address. hurry up thanks & regards all members and guest  |
| | I wrote a hash table that takes a char as a key and for a test I am using a string for my value. It uses a linked list. But I am having a problem displaying the value. I have a function that displays the key correctly but the value … |
| | my code was working, but when i added in a new section to enter playing against a computer player, it now hates me, and wont stop trying to kill me. [code=c++] //name: ******* //Lab: * //purpose: ******* //modification date:*********** #include <iostream> #include <cstdlib> #include <ctime> using namespace std; const int … |
| | I am currently working on a project which requires me to instantiate objects of a class. The class is in a dll which is accessed via its header file. I suspect that the dll does not work with visual c++ express edition which I am using. I would like some … |
| | I am trying to write a program which sends text from a forms Rich Edit Boxes via 2 serial ports( COM3 and COM 4 have 2 rich edit boxes each for incoming and outgoing text) using Borland C++ Builder 2006. This program uses some C++ serial port communication library code … |
| | Hi, I would like to ask if anyone know how can I create a tokenizer for a txt file in C++. I find it difficult because there are not only words but there are also numbers and <p id> tags. I have attached the file that is needed to be … |
| | For home work i have to do SMS in c++ ,which has to be exactly like on mobile.I dont know how to do this.  |
| | Need to write c++ code that calls a function and validate the moduleCode with a do...while loop. I ca'nt get the function to go out the loop Pleez help void inputAndValidate(string &moduleCode,int &numberHours) { string ABC111,DEF112,XYZ113; do { cout << " Enter module code: "; cin >> moduleCode; } while … |
| | can anyone tell me the difference between visual c++ express edition and visual c++ .net? It would apear that they are the same. Both seems to use the dot net framework. Are there any significant differences? And also how do they differ from other types of c++ such as ansi …  |
| | Create a class called [B]DateProfile[/B] that has the following private instance members: [LIST] [*][B]gender[/B] - a [B]char[/B], the gender of the applicant.('M' or 'F'). [*][B]search_gender[/B] - a [B]char[/B], the gender ('M' or 'F') of desired partner (this is not the gender of the applicant, but of the applicant's requested partner. … |
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