49,761 Topics
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| | I am a beginner with programming and I really need to resolve this problem. So, I need to implement the following class that represents this type of crowd and operations with those : class Crowd { int* element; int number; public: Crowd(int m_number, int* m_element); Crowd(Crowd&); ~Crowd(); Crowd& operator= (Crowd& …  |
| | i want to read text between two indices in the file usinf file i/o operations in c++. HOw ca i do it? for example, here is the text file: 1: .. .. 2: .. .. 3: .. .. 4: in this text file i need to print only the lines …  |
 | //Author: Frank R. Mendez //Title: Insertion Sort //Description: Accepts int elements and stores it in an array list then sort every element in accending order //Date: 7/13/13 5:53 PM #include <iostream> using namespace std; class Sort { public: void insertionSort(int x[],int lenght); void driver(); void display(); int arr[15]; // because … |
 | I'm trying to embed a window into my own. I somehow new it would not be as simple as it sounded, so I'd like a pointer where else to look if anyone can help. hMyOwnWindow //HWND hExternalWindow // HWND //size the external window so it will fit. MoveWindow(hExternalWindow,19,102,383,400,true); //set style … |
| | I don't get what this error mean in line 17 or 18.. #include <iostream> #include <conio.h> using namespace std; int main() { int players; int years=3; cout<<"Enter no. of players"; cin>>players; int record[players][years]; for(int i=0; i<=players; i++) { for(int j=0; j<=years; j++) cout<<"Enter runs scored by player"<<":"<<i+1<<": "; cin>>record[i][j]; } … |
| | I have posted this on GBA temp ([here](http://gbatemp.net/threads/garbage-on-top-of-screen-when-displaying-text-over-background.350999/)) without any replies: Another newb question.. I am currently using the 16-bit libnds example (Located within [here](http://sourceforge.net/projects/devkitpro/files/examples/nds/)) as a basis and am trying to display text and the png background image on the same screen (in this example it is the top … |
 | This first code is to go to form5 private: System::Void btnSend_Click(System::Object^ sender, System::EventArgs^ e) { MessageBox::Show("Updated task was sent to project manager."); Form5^ f5 = gcnew Form5(); f5->ShowDialog(); } But I thought it would be the same thing of I want to get back to form4 while I'm on form5 …  |
| | #include <iostream> using namespace std; int main () { //declaring variables double Pi= 3.1416 ; double Diameter_ofcircle = 0.0; double priceofrailingmaterial = 0.0; double Totalpriceofrailingmaterial = 0.0; //Getting the user input cout<<"Enter the diameter of the circle "; cin>>Diameter_ofcircle ; cout<<"Enter the price of railing material per foot "; cin>> … |
 | I just glued together two codes I found online, and found an interesting result. Some of my flash drives have been appearing twice on the system. Here is what the output looks like: Drive: C:\ Volume Name: Drive: D:\ Volume Name: Drive: E:\ Volume Name: Drive: F:\ Volume Name: Drive: … |
| | I **want to draw a magnifying glass using <graphics.h> ** in Turbo C++ (a DOS-based compiler for C++), which is mostly user as "Search" icon. But, I am having problems in making the rectangle attached to the two circles (one inscribed on another). I've also included the screenshot (made in … |
| | Hello, I was doing some research on enumerating the different drives on a system, and I found some code on MSDN. Here is the page: http://msdn.microsoft.com/en-us/library/windows/desktop/aa364975%28v=vs.85%29.aspx The source code looks like this: DWORD dwSize = MAX_PATH; char szLogicalDrives[MAX_PATH] = {0}; DWORD dwResult = GetLogicalDriveStrings(dwSize,szLogicalDrives); if (dwResult > 0 && dwResult … |
| | Hi there! I'm having a little (really not so little) issue using iterators. // object t1 created here. std::vector<std::string> *f1_t1 = t1.func1(); std::vector<std::string>::iterator iterv; for (iterv = f1_t1->begin(); iterv != f1_t1->end(); ++iterv) std::cout << *iterv << " "; std::cout << std::endl; std::vector<std::string> *f2_t1 = t1.func2(); for (iterv = f2_t1->begin(); iterv …  |
 | How would I write a C++ class of which only one can be created ever be instantiated in any program. I know that ClassName* objectName = new ClassName(); instantiates an object, but how would I make it so when you try to instantiate it more than once you still end … |
 | i need to add two numbers in c++ ,.can you help me ?  |
| | hey guys i just need someone to help me out in parts (c) and (d) of the following question: a- Implement the function f(a,x)=sin(ax)/x. (the prototype is double f1(double a, double x). Note that this function is equal to a for x=0. (6 points) b- Write a code that asks …  |
 | I am currently learnning c++ from a text book. but I have come accross an error when trying to run the program. The error reads like this: fatal error C1010: unexpected end of file while looking for precompiled header. Did you forget to add '#include "StdAfx.h"' to your source code? … |
| | Hi everyone - I hope your day is going great. Can someone please kindly help me with the coding of the following function - I have absolutely no clue where to start - Given the following sets of numbers - 1154 1179 2154 2554 2484 2144 4515 1144 1517 4815 … |
| | #include <iostream> typedef struct _elems { int a; int b; int c; }elems; static elems eArray1[]={{5,9,13}, {12,22,1}, {2,3,4},{4,3,1}}; static elems eArray2[]={{23,121,55}, {88,23,90}}; eArray1 and eArray2 can have different sizes such as 1x3, 2x3, 4x3, 5x3, etc.How to combine these ,eArray1 and eArray2, into a structure called eArray and loop and … |
| | #pragma once namespace Hardware_Store { using namespace System; using namespace System::ComponentModel; using namespace System::Collections; using namespace System::Windows::Forms; using namespace System::Data; using namespace System::Drawing; /// <summary> /// Summary for Form1 /// </summary> public ref class Form1 : public System::Windows::Forms::Form { //array variables private: array<String^>^itemNoA; private: array<String^>^descriptionA; private: array<int^>^noStockA; private: array<double^>^priceA; public: …  |
| | Hello people, I want create and use a simple library but this is the first time, so I need help. 1. If I have cpp file with it's header, how do I create a shared library with g++. 2. After I created the .so library, how do I include it … |
 | Hi there! I have a question related to filing in c++. I have to read data from a text file and load it into 2-d dynamic array. Here is the problem statement: 5 3 3 8 1 4 2 5 7 2 4 6 8 0 9 3 1 2 … |
| | Hey guys i really need someone todo the following it's urgent: Declare and initialize a dynamic array of rectangles. Define an array of pointers to the array of rectangles and use it as search index by area. Define two other similar indexes to facilitate search by length and width. |
 | Hello, I made an arbitrary precision integer library a few weeks ago. It works well, but is bounded by `256^(8*sizeof(size_t))` because it uses a simple dynamically allocated array to do its work. I want some way to have theoretically unbounded storage. I think that file io is probably best, but … |
| | I'm running this code. SHELLEXECUTEINFO ExecuteInfo = { 0 }; ExecuteInfo.cbSize = sizeof(ExecuteInfo); ExecuteInfo.fMask = 0; ExecuteInfo.hwnd = nullptr; ExecuteInfo.lpVerb = L"open"; ExecuteInfo.lpFile = L"C:\\progra~1\\intern~1\\iexplore.exe"; ExecuteInfo.lpParameters = L"http://www.google.co.uk"; ExecuteInfo.lpDirectory = nullptr; ExecuteInfo.nShow = SW_SHOW; ExecuteInfo.hInstApp = nullptr; ShellExecuteEx(&ExecuteInfo); Sleep(5000); CloseWindow((HWND)ExecuteInfo.hwnd); exit(GetLastError()); It's not closing the window. And it's exiting with … |
| | Problem 1: When I need to display my zipcode, I get zipcode and city. Problem 2 : When I enter zipcode I get zipcode not found. This my zipcode and city 60561 Darien 60544 Hinsdale 60137 Glen Ellyn 60135 Downers Grove #include <iostream> #include <string> #include <fstream> using namespace std; … |
 | plzz help me with this program #include<iostream.h> #include<conio.h> int sum(int s); int sum(int x); int sum(int j,int k); float sum(float p,int q); float sum(float y,float z); void main() { cout<<sum(0)<<"\n"; cout<<sum(3)<<"\n"; cout<<sum(6,7)<<"\n"; cout<<sum(5.5,8)<<"\n"; cout<<sum(4.9,3.5)<<"\n"; getch(); } int sum(int s) { return s; } int sum(int x) { return x; } …  |
| |  okay guys this the program in which we have to add a record,modify it or delete it. it adds and shows it successfully but whenever we want to delete a record it doesn't. When we add to records and delete the second one ,the list looks like this, |
 | Hi All, Is there any way to read/extract data from sql server backup file without restoring it? Thanks. |
 | Hello everyone I have pretty lengthy code here, i think I may need to place all the code, but all I need is one one thing, it's pretty much done: #include <iostream> #include <iomanip> #include <string> #include <ctime> using namespace std; // Function prototypes void BuildDeck( int deck[], const int … |
 | Hey! On Qt, i created an QList<QLabel*> but when i try to access or modify it in later functions i get: Démarrage de C:\Projet QT\Text Based RPG\build-textbasedrpg-Desktop_Qt_5_1_0_MinGW_32bit-Debug\debug\textbasedrpg.exe...ASSERT failure in QList<T>::operator[]: "index out of range", file ..\..\..\Qt\Qt5.1.0\5.1.0\mingw48_32\include/QtCore/qlist.h, line 460 Invalid parameter passed to C runtime function. Invalid parameter passed to C … |
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