49,765 Topics
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| | Okay well i'm having trouble understanding this program ..in which our professor doesn't even explain..I'm so lost.. I hope somebody can help me please.. here's the problem... I have to write a program in c++ that computes the number of days between two dates using the Julian day number which … |
| | for some reason the following function has return numbers of error such as 1. new types may not be defined in a return type 2. two or more data types in declaration of `initialize' 3. ambiguates old declaration `GrowableArray initialize(GrowableArray&)' [CODE]void initialize(GrowableArray &a) { unsigned zero=0; a.elements=zero; a.element=NULL; }[/CODE] and … |
| | I have an assignment to write code to calculate a cubic spline. The values for my coefficients are correct, but the Gaussian elimination part of my program has me really confused. I was given code in C by my instructor, but am struggling in making it work with my code. … |
| | So i have a string say string A = junk#crap i want to separate it to separate strings b=junk c=crap how would i go about doing that while throwing out the #? |
| | hi i am new to programming and have had problems installing C++ on vista. Is it possible to get C++ working on vista or will I need to switch back to XP or ubuntu? Does Bloodshed work on vista? |
| | This is a section of code: [CODE] this->SquareImage1->Visible = false; this->SquareImage2->Visible = false; this->SquareImage3->Visible = false; this->SquareImage4->Visible = false; this->SquareImage5->Visible = false; this->SquareImage6->Visible = false; this->SquareImage7->Visible = false; this->SquareImage8->Visible = false; this->SquareImage9->Visible = false; this->SquareImage10->Visible = false; this->SquareImage11->Visible = false; this->SquareImage12->Visible = false; this->SquareImage13->Visible = false; this->SquareImage14->Visible = false; this->SquareImage15->Visible … |
| | Hey guys (and girls) I'm not new to C++ but it has been a while since I've used it. I'm having an issue that I can't seem to place my finger on. I have the two bits of code below. The first comes out fine, or as I expect the … |
 | Is there a way to add months and their respective days in my + operator?[code]Date operator + (Date const& dt, Month const& m) { jdn_type months_to_add = m.month_; jdn_type days_to_add; gregorian_type g = dt.gregorian(); long d = std::get<1>(g); if(d == 1){ days_to_add = 31*m.month_; } else if(d == 2){ days_to_add … |
| | hi, i know structures are basically used for holding data members whereas classes can hold both functions and data members. but contrary to the definition of structures can they also hold functions?? i read that they can but there wasn't any explanation about it. hopefully,some of few can come up … |
| | I would like to create a c++ program that captures images from a ccd every few seconds and saves them to a folder. This will later be used as part of an image tracking package for an autoguided telescope. I have no clue where to start. If anyone has experience … |
 | I have a couple of template classes "Stats<T>" and "Numerical<T>" within a "Statistics" namespace. The Numerical<T> class inherits publicly from Stats<T>. They are defined as below.[CODE] namespace Statistics { //declare Statistics namespace template <typename T> class Stats { protected: vector<T> dataSet; //contains the actual data set to be analyzed /* … |
| | This is my Code #include<iostream> using namespace std; struct BankAccount { int accountNum; double accountBal; double rate; }; int main() { const int ACCOUNT = 5; BankAccount info[ACCOUNT]; int sub; double balTotal = 0; double balAverage; int accountNumber; bool isFound = false; for(sub =0; sub<ACCOUNT ; ++sub) { cout<<"Enter Account … |
| | i need to write a program that takes this style of input Enter customer name: Kristopher Ann#Nugent and seperates the name to look like this Customer name: Nugent, Kristopher Ann so far i have decided to separate the name into 3 separate character strings but i can only get two … |
| | I'm studyign the Accelerated C++ book and I have the MS visual studio 2008 here ... and I also have Ivor Horton's Beginning Visual C++ 2008 ... I was wondering if, after I finish reading Accelerated C++, it's a good idea to use the Ivor Horton's book ... anyone used … |
| | Please guys, I have a problem here with a code to send data to a printer. Can you help out.  |
| | Hello, it is necessary to create a callback function to handle the messages of an windows dialog box. The DialogBox() Function call requires a function pointer to this callback function. If I don't use classes my sample code works fine but when I try to encapsulate my code in classes … |
| | Hello guys we've been given this project at skul to create a chess game using c++ , so what i have in mind now is as follows: i need to create different classes ,lyk i need a king,queen,horse and the other classes bt i don't know which one will be … |
| | Hi!! I wanna convert a given amount of seconds into hours, minutes and seconds. I wanna use modulus to get the result I'm looking for. I KNOW that's it's easy but I'm stuck. How ever I turn it around I can't get it to work. Example... the time is 7500 … |
| | Hi, I am currently working on an android application that requires interfacing with c/c++ libraries.So when i deploy my app on the device i get the message the application hellondk(the application name) has been forcefully closed. So when i go back and look at my code i see the in …  |
| | I need to balance a binary tree which is in an array. [CODE]void balance(int lower, int upper) { int middle = (lower + upper)/2; cout << a[middle] << endl; if (middle!=lower) balance(lower, middle-1); if (middle!=upper) balance(middle+1, upper); }[/CODE] I've created the shell of the function just to get the idea … |
| | i'm new to c++, but am taking a intro to computer science class. we have to write a 2 player game. Game Rules: There are three stacks (A, B and C) of sticks on the table. Each stack is initialized with a random number of sticks between 3 and 10 … |
 | Hi. I need to check a folder for the existance of a specific file extension. I've been successful checking for a full filename including extension, but Its just any instance of a filetype I'm after. My question is, Is there an existing method in a library anyone knows about that … |
| | Hi - I'm trying to get the filename and path of a file I'm opening with the OpenFileDialog in Visual C++. I can open and display the contents of the file OK, but I'm having problems accessing the filename and path, I guess they're stored in a structure somewhere? Code … |
| | hi I need a program in C++ that returns the number by only integers; for exmaple if you input a numbre X= 43756, the program will show: 6 5 7 3 4 and it will also show the number: 4 3 7 5 6. Please someone help me  |
| | [CODE]#include <cstdlib> #include <iostream> #include <conio.h> using namespace std; void x(); void x(char); void x(char,int); void x(char,int,char); void x(int); void x(char); int main(int argc, char *argv[]) { x(); x('B'); x('E',30); x('B',30,'E'); x(10); x('V'); getch(); } void x() { for(int j=0;j<50;j++) cout << '*'; cout << endl; } void x(char xx) … |
| | This is Homework related. I've been struggling in this C++ class for some time now and my teacher basically hands us the book and says learn it and will not help or assist... and sometimes i can manage to get something that runs but this one takes the cake... i'm …  |
| | [CODE]using namespace std; #include <iostream> #include <fstream> #include <string> #include <cstring> int main() { ifstream InStream; string InFile; string InToken; cout << "Please enter the filename: " << endl; cin >> InFile; InStream.open( InFile.c_str(), ios::in ); if (InStream.fail()) { cerr << "Unable to open '" << InFile << "' for … |
| | I'm having a few issues with my code and trying to figure out the last problems with it. It would be a great help if someone could look this over and guide me in the right direction. This program is basically supposed to take the entered date, and tell you … |
| | I am using hash_map<string, Word *> dict to store my Word objects. Each Word is a class that inherits from my Node class. The value in the label variable in the Word class is read from a text file. Once I start adding the objects to the dict structure, I … |
| | Does anyone know of an web based programming utility where I can program C++ in a web page and have it compile on my remote server. I run an LAMP server |
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