51,593 Topics
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| | is there any difference b/w object and instance? pls tel me in detail?  |
| | hi....well this is my first post in this community...i hope people here will help me in my doubts... I am an intermediate level programmer of c++... i have a doubt regarding the permutations of a given string and permutations of first N natural numbers... i have written a program for … |
| | I am reading a text file from an input file. The problem is that when I cout the text to the screen not all of the original text file is showing. The text file is large, but I was wondering if there was any way I could possibly display all … |
| | Hi All, I am interested in making http requests and parse the response back from that request using a Borland C++ 5.0 Client application. If anyone has a sample code or some links that can help me write this method, that would be great. I did some google and could …  |
| | So I'm supposed to copy the word "computer" or "computers" from the text of one file and past the word each time to the new file. It compiles but it doesnt run right. Any input would be great. [CODE]#include <iostream> #include <fstream> #include <cstring> using namespace std; int main() { …  |
| | Could someone recommend a C++ compiler to write programs on a linux platform. I am just looking to write some programs in the shell not really looking to do any X-windows programming right now. |
| | [QUOTE]aptr = malloc(nrows * ncols * sizeof(int)); rowptr = malloc(nrows * sizeof(int *));[/QUOTE] What is the different with have no * inside sizeof(), eg sizeof(int), vs sizeof(int *)?  |
| | Hi there: I need to convert a variable of single character to corresponding ASCII number. Can some body tell me how to do this? I tried int(), static_cast(), atoi(), not working. Thx in advance! |
| | plz i wanna sol for this q with describ anyone can help me ??? write C++ program cosist of two structures - The first called "Address" consist of three elements (city, state, and zip code). - The second called "Employee" consist of seven elements ( Employee name, number, Address, Birthdate, … |
 | Firstly, I got this class: [code=cplusplus] class A{ public: void show() { std::cout << "Hello World"; } } a; [/code] I am trying to get the address of [B]show()[/B] function. [code=cplusplus] int main() { void (*ptr)(); ptr = &a.show; *ptr(); return 0; } [/code] And, it doesn't seem to work …  |
| | Hi I am a newbie in C++. I need some help here for my homework. I tried all methods that I know but I just can't get it. =( I need to design a staff information enquiry program which can display information of staff sequentially in staff database with the … |
| | Hi Guys. I am relatively new to C++ so i may seem a bit inexperienced, but please bear with me. I am doing a little c++ project to help increase my experience and i have come to a stand still. (I have defined loopcount earlier on in the program) [code] … |
| | I work in C,C++ Windows platform. I am to write code to format a pendrive. I searched and found DeviceIOControl() that seemed to fulfill my purpose. But I cannot proceed any further. Plz help me in this regard. thanx Shayantani |
| | Hi all, I'm going to learn a new subject on C++. Working with Windows API. Since I work with Java there is no API used, but I feel it is better to work a little with APIs. Here is my attempt for that. I want to read the system time …  |
| | I'm kinda sick of dos windows programming, this stuff i've added is sorta what i'm at, still learning obviously if you take a glance at it, just wondering what I should try and write now, suggestions appreciated! |
| | [B][/B] I face the problem when i key in 5 5+ the result is 10. But i key in 5 6+ he give the result 12. Some equation can give me true result some give me false result. Anyone can help me toubleshoot? The following are my program: [CODE][LIST=1] [*]#include …  |
| | I am having trouble getting ReadFile to work for me. I am runnng an AMD with XP SP1. I compile with a .cpp extention normally using Borland Bcc32 but I have also compiled using cl.exe. I declare LPVOID lpBuffer and have tried assigning memory using malloc. I also tried GlobalAlloc. … |
| | Hi all, I have a function that calculated two int values. I call the function only by using a string and calculated those two int values. I want to return that two int values from the function when I call it with a string. Look at the following function, [CODE] … |
| | hello there, it says that i have 2 errors in my code. What have i done wrong? (doesnt show where); something that calculates the area and the perimeter. [CODE] #include <iostream.h> typedef unsigned short int pint; int main() { pint width; pint length; pint area=(width*length); pint perim=( (width+width) + ( … |
| | Hi all, I've create a window using CreateWindowEx windows API and do some work on it. Thats fine. But for the safer operation at the end of all the processing I want to close/destroy the window. I've try this, [CODE] BOOL clsWin = DestroyWindow(m_hwnd_RTFBox); if(clsWin != 0) { printf("SS"); } … |
| | modularize program code by using functions. You will produce two solutions: a) using global access functions, and b) using classes and member functions. a) Using Access Functions Write five Invoice access functions: setInvoice(), computeAmount(), getAmount(), printData() and a global client function computeAmount(). Function setInvoice() has five parameters of types Invoice, … |
 | your homework." What does this mean. |
| | Hello everyone. I am begginer with Hashing algorithm. So I had for project to write a simple Console Phonebook that uses Open Adress Hashing with Linear Probes. I was working with templates. When I compile it I get Unsolved External errors (5 of them) and I have no clue how … |
| | Hello, I'm planning to do a project which involoves a lot of GUI. Does anybody know whether there is any IDE available that supports a code wizard feature for C++? For eg in VB, we design the menus, frames, text labels, etc. and when we click on 'generate code', the … |
| | Hi to all , I have a problem i can't see my message box. Here is the TEST2.cpp [code=c++] #include <windows.h> #include <winuser.h> #include "TEST2.h" BOOL EndDialog(HWND hDlg,INT_PTR nResult); /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); BOOL CALLBACK ToolDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM … |
| | modularize program code by using functions. You will produce two solutions: a) using global access functions, and b) using classes and member functions. a) Using Access Functions Write five Invoice access functions: setInvoice(), computeAmount(), getAmount(), printData() and a global client function computeAmount(). Function setInvoice() has five parameters of types Invoice, … |
| | Hello, i have a book that is teaching me the basics of c++ i understand most of it and its really fun, but i need some help creating my own applacation. i want to create a class caled bandit and have a sub class scout so that under bandits i … |
| | Sorry, this is going to be a very long post :$ first of all, here is my codes: [b]Header File[/b] [code=c++] struct hardware { int record; char name[100]; int quantity; float cost; }; [/code] [b]Binary Input File cpp[/b] [code=c++] #include<iostream> #include<iomanip> #include<fstream> #include <cstring> #include "hardware.h" using namespace std; void …  |
| | Hi guys Im trying to make a maths game for a friend of mines little brother jase, but I need it to generate 2 random numbers between 1 and the maximum number that jase said. I cant figure out how to get the rand1 = (rand()%10)+1; so that the 10 … |
| | Hello , please help with a code to write in a Microsoft word file . |
| | i have an interest in boost/regex library - i need to extract url from a file ----> bookmark.html (from ie6) the regex demo programs use this library - but it is from 2003. when i try to run the program - i get an error: LINK : fatal error LNK1104: … |
 | hi, I created a GUI using vc++ (without mfc). now I am told it needs to be used through a web browser, but I don't know how to do it. I have been told that one solution is turning it into an activeX control, but I have no knowledge of …  |
| | virtual void drive() = 0 What this means? void means no return value. drive() is a function but what virtual means? and why it asigns a value of 0 to a function?How can a function have value of 0 ? Thank you |
| | Hihi.. I would like to ask about ::FindWindow's function.. I execute a program call ABC.exe.. I have coding like below.. HWND window = ::FindWindow("ABC", NULL); but I get the window value is NULL.. may I know what is my mistake..?? I had execute the ABC program, suspose it can return … |
| | Hi, I am trying to read .ocx file using C++.But ,if I am using #import directive I am getting error like "catastrophic error".So,now I am trying to provide activeX control using ATL. Can any one tell me how to do this. Thanks& Regards, swetha. |
| | Hi Experts, Please share your thoughts, it was asked to me in a job interview, I said I would remove "multiple inheritance" , but I was not prepared for the interview question. Your ideas please. |
| | ok so yesterday i had issues with devc++ (where my code occasionally compiled) and when i tried to run the "compiled" program it says "source not compiled" (when really..i hit the compile button). So..i have now installed Visual c++ 2008, and i cant create a new project, it just says … |
| | I need help with beginning code to simple game of hangman in C++ Don't know where to start and it is due in six hours. |
| | what is ment by make file ,what is it used for ,is it a development tool? |
| | I've been working on a project for a few days now, and I am running out of time by trying to research everything I am doing. My task for this particular program is to create an inventory program that reads from a file and then allows the user to manipulate … |
| | I came to a point in my C++ book where I have to start using bitwise operators, such as &, ^, and |. I have a hard time grasping the concept of exactly how do I manipulate bits, the following example supposedly "turns off the 6th bit", therefore inverting the … |
| | Hi to all, I woud like to know how to destroy only a child window?I am Using Dev-C++ WIN32 Thank you for reading.What message to do i need? |
| | Hi, I want to count the number of characters of a string. Try to do it as follows. [CODE=cplusplus] int iSpace = 0; int iLength; string strTemp("This is a line of text"); iLength = strTemp.length(); cout << iLength << endl; for(int i = 0; i < iLength; i++) { if((strTemp.at(i) … |
| | Hello, I've read in a book that APIs in the native APIs start with one of the two prefixes: Either Nt or Zw, so that the functions have names like NtCreateFile or ZwCreateFile. What does Zw stand for? It further says: [I]Both versions actually point to the same code in … |
| | Hi i have a problem i can't see my menu. So thanks for reading. It is not finished but the compiler done it . So i wana test drive before complite it. File name Test1.cpp [code=C++] #include "resource.h" #include <windows.h> #include <winuser.h> /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure … |
| | So after putting together this program, I am trying to sort multiple words alphabetically using [TEX]qsort ()[/TEX]. I have been using examples of [TEX]qsort ()[/TEX] found on the web and trying to adapt them to my cause, but all I've done so far is confuse myself. There are no errors, … |
| | Hi to all. Can i make a Window,who have a power to be always active but invisible for me?How? |
| | Please I'm new to this forum and I need a help with my code.I have written it all and compiled but it doesnt seem to bring any output(I'm reading the input from a file on my system).Please bail me out, I need to turn it in soonest [code=cplusplus] #include<iostream> #include<fstream> … |
 | So I've got "m_starts" as a pointer to an int (int * m_starts;). And a const char * of "m_str". m_str = "bad,cold,new". How can I allocate "m_starts" to store the starting index of each word in m_str??? For loop? |
| | I quickly made this program in DEV C++ and have a few errors, heres a little background info on the program, there is a program at my school that allows the teachers to spy and take over your computer whenever so I did a little snooping and found that the … |
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