[c++] Forum Topics

The first three people to complete this program will be entered into the annual contest for Top Coder! The grand prize is the chance to become one of TopCoders independent programmer. This is a special opportunity to get paid for programing projects that you create. Below is the program to …

I'm coding in VC++.NET 2003. I have a class that needs a log file to log info and errors for debugging. The problem I have is that FileStream and StreamWriter can not be global. I get compiler error C3145 : cannot declare a global or static managed type object or …

i have a xml document from which i must get the following things, [B]Riigi_nimi[/B], [B]pindala[/B] of it and [B]rahvaarv [/B] with the [B]riigi_nimi[/B] and [B]pindala[/B] i have no problems, but i can't get the program to print [B]rahvaarv[/B], i just can't find a way to copy it into a new …

hi, i have a program that read from a text file and write the output at an excel file. i want 2 make some modifications at the text file before my program read it. it's only a replacement for something.this replacement is already a built in order in the word …

Hello! I have a dll library (AXACAC.dll) whuch was made in VS project. This dll exports one function: __declspec(dllexport) void CreateRasterFile (const char *pszFormat, const char *pszDstFilename) {} And I try to import this function in the DDK sample - unidrv interface plug-in: __declspec(dllimport) void CreateRasterFile (const char *, const …

I am doing a small assignement that has one class with two private members.....numerator and denominator. The question asks to make three overloaded constructors, some have arguements while one does not example .....fraction() now the deconstructor is basically has to print out the two private members now this works great …

Hello, Could someone help me, I don't know how to build project with Visual C++ toolkit 2003, that project has made with [I]Visual Studio .NET 2003 or is this generally possible.....[/I] Any suggestions?

i have got this OOP project of implementing minesweeper using classes.Can anybody just hint me what classes i have to use and what would be their relationship like association,containment,weak containment and strong like that.anybody plz.If i failed to do so i would be getting an f!!!!!plz!!!!!!!!!!!!!!

I am unsure why I am reciveing a segmentation fault: INPUT: ./a.out Enter the output file name (maximum of 15 characters): output.doc Enter the number of names to sort in lexicographical order: 3 Enter a name: John Smith Enter a name: Mel Gibson Enter a name: Mark Anthony Segmentation fault …

HI all could anyone please tell me where i can find some public domain source codes for Visual C++ 1.52, I am trying to teach myself programming as i dont have the patience for classrooms and i thought that some sample codes would give me some practice. I have already …

I have the following code This is the Point header file [code] #ifndef POINT_H #define POINT_H #include<string> using namespace std; //Class Point represents points in the Cartesian coordinate class Point{ protected: double xCoord, yCoord; //coordinates of the point string name; //name of the point public: Point(); //default constructor Point(double, double, …

I have an assignment dealing with algorithms and Big O notation. I am a little confusded about this notation stuff. Here are a few of the questions on the assignment: What is the O-notation for the following code? [code]cin >> N; for (int count = 1; count <= N; count++) …

I have problems with this small class program, have two classes...registration and course. I am writing a small function for registration adds the credits. I made an array called ptr of type course in the registration class. Now when i try to access credit a private member in the class …

I am trying to read in information from an external file using ifstream. I use fin >> to input the data usually. Now I have to input a full name. Can anyone tell me what I use to do this? do I use a string type variable and then just …

I am looking to be able to pull up files from ms access using C++. this is for a college senior project. We currently have a rfid reader that will read a tag and display its unique tag number using C++ we now want to link each tag to a …

I have a header and cpp file.I'm trying to learn OOP so I did a small program that handles classes.In the header I have declared the class and in the main file I'm implementing the methods. m_prvi = first number m_drugi = second number m_rezultat = result So I call …

Has anybody use the jwSMTP c++ email routines, or do you know of a better freeware email c++ app?

Could you help me please: I'm writing printer driver, based on standart unidrv and i'd like to use another library in my driver. But while compiling the driver I receive following errors: d:\WINDDK\2600.1106\inc\crt\istream(564) : error C2220: warning treated as error - no object file generated d:\WINDDK\2600.1106\inc\crt\istream(564) : warning C4530: C++ …

I am kind of confused about how DestroyWindow() works. According to the help files this function sends a WM_DESTROY message to the window it has just removed from the screen. In my [inlinecode]WindowProc[/inlinecode] I have something like the following: [CODE] case WM_CLOSE: { DestroyWindow(hwnd); return 0; } case WM_DESTROY: { …

Iam confuse with cubic equation alghoritma and code. x^3 + ax^2 + bx + c =0 Please help me

can you tell me ! What's the difference between MS-Dos program and Windows program ? Is an application in C++ MS-Dos-based application ? Thanks !

hallo all, i'm a new member. i need help in my program i want 2 know if there is a datatype called time. my program will deal with time as below 11:33:50,965 it will read 2 absolute times for 2 actions and then return the differnce. how can i do …

I have an assignment which will pull data from Trans.data and Lawn.data. Can I not use fin to open both the files at once or do i need to setup another stream. Here is my code I am getting the Error message I have set if Trans.data fails to open. …

Hullo, Does anyone have any tutorials about using the graphics library in turbo c. I need this fast. ThanQ

Hi there, I was wondering if anyone can help me out here...This is what I have so far: [code]#include<iostream.h> #include<conio.h> class Employee { private: int idNum; char name[20]; double rate; public: Employee(const int id); //The Constructor with Arguments Employee();//The Default Constructor void displayValues(); }; Employee::Employee(const int id) { idNum = …

Hi, I'm trying to write a class that uses a vector, but I can't get the right syntax in the Staff constructor. Can anyone help? public: Staff(); Staff (???????????); private: vector<Employee> members;

Hi everyone, I am a year 1 student who is having a course of data strcutures. My assignment 's deadlin is by tomorrow. the assignment is avl tree. I have completed the followings. [code]struct AVLnode_s { char element; int height; struct AVLnode *left; struct AVLnode *right; }; typedef struct AVLnode_s …

My code :[CODE]int _tmain(int argc, _TCHAR* argv[]) { HINTERNET hInternet; BOOL bResult; hInternet = InternetOpen( (LPCTSTR) "NoAgent", (DWORD) INTERNET_OPEN_TYPE_DIRECT, (LPCTSTR) NULL, (LPCTSTR) NULL, (DWORD) INTERNET_FLAG_ASYNC); if (hInternet == NULL) { DebugTest("hInternet == NULL"); } DebugTest("Internet handle created!"); bResult = InternetCloseHandle((HINTERNET) hInternet); if (bResult == NULL) { DebugTest("InternetCloseHandle((HINTERNET) hInternet) == NULL"); …

Hey everyone, I' m currently having trouble getting the following code to work. What I'm trying to do is getting my program to do read from a text file which has the following information: 234323 c 343212 d 323432 a 763634 b The corresponding information shown above will correspond as …

So I'm trying to learn how to use function pointers (ie to pass the address of a function to another function to execute it - like a call back). I have it working when I use it as follows: Classes.h: [code] #include <iostream> using namespace std; class Class1 { public: …