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| | Hello, I am new to this site and to C++. I have been following a tutorial on how to make a Tetris clone in SDL and C++ from the following site : [URL="http://www.aaroncox.net/tutorials/arcade/FallingBlocks.html"]http://www.aaroncox.net/tutorials/arcade/FallingBlocks.html[/URL] When i was finished going through it all and sorting through all the petty errors I had … |
| | An exercise is to write a program that generates random numbers within user specified limits. The program I wrote is as follows and it runs correctly. [code] #include "../../std_lib_facilities.h" void randnum(double lower, double upper, int n) // Generate 'n' random numbers uniformly distributed { // between lower and upper limits. … |
| | My assignment is to use pointers to point at the highest and lowest temperatures in the array. I need to have 3 pointer variables and start them at the beginning of the array. Step the pCur through the array using a for loop and pCur++. Loop through the array looking … |
| | Hello I am in a question of assigning local scope pointers to global scope pinters. I have a code like this. [CODE]public : char* myValue; void process(TiXmlElement *element) { myValue= element->getText(); }[/CODE] But once the process function is returned value is garbage. So I did this. [CODE]public : char* myValue; …  |
| | I am practicing Win32 API again, and for some reason, I am getting an error. [code] #include <windows.h> #include <windowsx.h> #define WSIZE = 400 #define HSIZE = 400 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { WNDCLASSEX … |
 | [CODE]HMODULE g_hModule = GetModuleHandle( 0 ); HRSRC hRes = FindResource( g_hModule, MAKEINTRESOURCE( ID_DLL_MYDLL ), "ID_DLL" ); HGLOBAL hResource = LoadResource( g_hModule, hRes ); DWORD iResSize = SizeofResource( g_hModule, hRes ); BYTE* pData = ( BYTE* )LockResource( hResource );[/CODE] When I included a dll file into my project, I used: [CODE]fstream … |
| | Hello, I am trying to read the raw interrupts from a USB mouse (Installed and functional) in a C++ application. I have read over LibUSB and WinUSB but WinUSB does not seem to play nice in Qt and LibUSB seems overcomplicated for what should be a simple task. I do … |
 | hello I need help with loading pages that have flash applications in them, my program works for just html pages, would anyone with qt knowledge plz help. TIA. here is my code: [code=c]#include <QApplication> #include <QWebView> #include <QUrl> #include <QWebSettings> int main(int argc, char *argv[]) { QApplication a(argc, argv); //QWebSettings::globalSettings()->setAttribute(QWebSettings::PluginsEnabled, … |
| | Hi [code] #include "cv.h" #include "cxcore.h" #include "cxtypes.h" #include "highgui.h" int main() { CvCapture* capture = cvCreateFileCapture("RosewellBst.mp4"); cvNamedWindow( "Example2", 1 ); cvMoveWindow( "Example2", 100, 100); IplImage* frame; while(1) { frame = cvQueryFrame( capture ); if( !frame ) break; [COLOR="Red"]cvShowImage( “Example2”, frame );[/COLOR] char c = cvWaitKey(33); if( c == 27 … |
| | Helllo, I am supposed to do the following: [quote] Mathematically, a set is said to be consists of well-defined elements. For instance, the following are well-defined sets. A = {1, 2, 3, 4, 5, 6, 7} B = {2, 3, 4, 8, 9} A set may be described using other …  |
| | hi there! im trying to do a xor beetwin two cha but i coudl no there is my code: [code=c] String^ val2; String^ val3; String^ val1; String^ val; char *chval1; char *chval2; char *chval3; char *chval; char *chv; val1=GZMK1->Text;//GZMK1 is textbox val2=GZMK2->Text;//GZMK2 is textbox val3=GZMK3->Text;//GZMK3 is textbox chval1 = static_cast<char …  |
| | Hi! I'm new to C++ and am having a problem with saving a text file into a string. I'm using getchar() but only the last line of the rather long text file is saved into the string when used in different functions. In other words, if I include a "cout" … |
| | [B]Can anybody tell me whats d problem..????[/B] [CODE] #include<iostream.h> #include<conio.h> void main() { clrscr(); int l,b,r,a; char ch,t,x; cout<<"******************----MAIN MENU----****************** \n"; cout<<"\n 1.Area of rectangle"; cout<<"\n 2.Area of square"; cout<<"\n 3.Area of circle"; { cout<<"\n Enter your choice"; cin>>ch; } rec:cout<<"\n Enter the Length and breadth"; cin>>l>>b; a=l*b; cout<<"\n Area … |
| | programe to randomly generate store and display the age of N studnets (e.g ,18,24,38 etc).the minimum age is 18 and maximum age is 75.N should be equal to 9. 1.How we can intialise all the elements of the array to -1. 2.Randomly generate and store the age of N studnets … |
| | Hi.. Can somebody help me with my project in c++? My project proposal that I had submitted is about Question and answer program. It is just like a game. I formulated many questions and their desired answer. The problem is, I want to randomize the question so that it will … |
| | Hi all, I can't seem to make the system() syntax work in my program.. I need to run a command from the command line using C++.. I tried a basic example and used this command [CODE]system("cls");[/CODE] instead of clrscr() and executed using my old c++ compiler. It doesn't work. Even … |
| | // program implement the working of files simple stock // management #include <iostream.h> #include <fstream.h> #include <iomanip.h> #include <stdlib.h> #include <stdio.h> class stock{ int code; char name[30]; float cost; char flag; public: void getStock(); void putStock(); char getFlag(); void putFlag(char); int getCode(); }; int stock :: getCode(){ return code; } … |
| | could u please show me the codes too? (example may be) |
| | Hi there. I am getting the errors below when I am trying to compile this code using DEV C++. [Linker error] undefined reference to 'CheckLeapYear'(int) [Linker error] undefined reference to 'CalcDayNumOfYear'(int) [Linker error] undefined reference to 'CheckLeapYear'(int) Id returned 1 exit status Please help. Below I have included my coding …  |
| | Hi I need to write data which I have successfully read in from a text file, to a new file. The original text file contains data for many objects. The read in data is stored using stl vectors in 3 nested objects: Structure, Polygon and Point i.e. a Structure contains … |
| | // Edit window property case WM_CREATE: hwndEdit = CreateWindow (TEXT ("edit"), NULL, WS_CHILD | WS_VISIBLE | WS_VSCROLL | ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL, 0, 0, 0, 0, hwnd, (HMENU) EDITID,(HINSTANCE) GetWindowLong(hwnd, GWL_HINSTANCE), NULL); **word wrap calling** case ID_FORMAT_WORDWRAP: bFlag = !GetCheckedState(GetMenu(hwnd), ID_FORMAT_WORDWRAP, TRUE); if (bFlag) { SendMessage(hwndEdit, EM_SETWORDBREAKPROC, (WPARAM) 0, … |
| | #include <iostream> using namespace std; int main() { int i,j,k; int Matrix1[3][3] = { {1,2,3}, {4,5,6}, {1,2,3}, }; int Matrix2[3][3] = { {3,2,1}, {6,5,4}, {3,2,1}, }; int Matrix3[3][3]; cout << "Matrix 1: " << endl; for( i = 0; i < 3; i++) { for( j = 0; j < … |
| | Good morning, I've got a general question about overloading operators. Suppose you have a class that overloads the + operator and overloads the = operator, if you do something like this length3 = length1 + length2, will you automatically call both the overloaded + and = operator and if so, … |
| | Hello I am confused with an error saying. [QUOTE]Error 1 error C2664: 'const char *TiXmlElement::Attribute(const char *) const' : cannot convert parameter 1 from 'char *(__cdecl *)(void)' to 'const char *' c:\GameProject\TheGameProject\ContentManager\src\NodeWater.cpp 38 [/QUOTE] I have a method that returns a const char* as follows [CODE]class XMLNodeNames { public: static … |
| | // so guys this how i program about random walk of partilce..somehow... R ~ N^1/2 i got a huge different comparing simulation value and calculation(theoritical) .how i wanna to reduce different i got,,,/ N=number of steps... R= value from therom phitogoras R=(a^2 + b^2)^1/2..... [CODE]#include <iostream> #include <math.h> #include <time.h> … |
| | Hello, Me and my development team are not sure how to get a users username/uid from their login on the website into the C++ application. I use PHP Cookies and Sessions for that. Is there anyway that this could work? Thanks. |
 | Hey guys I'm writing a program that profiles the speed of different algorithms and I have been using the getTickCount() method in order to do so. However the program is reporting that the algorithm took 0ms. Doesn't have to be too accurate but currently 'RunTime' is coming up as 0. … |
| | I tried to do an excercise from Stroupstrup's book. The reader is asked to reverse the order of elements in a vector so that if originally vector[0] = 1, vector [1] = 2, and vector[2] = 3, then new vector has newvec[0] = 3, newvec[1] = 2, and newvec[2] = … |
| | Ok, I'm really getting helpful answers from this site!!! Here's my new C++ question: How much code can go in an initializer list? Can I call new SomeClass() to get a pointer to initialize something even if it wasn't in the original argment list? Can I do math on the … |
| | Can u plz. explain static scoping and dynamic scoping in c++?? |
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