49,766 Topics
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| | Hi, I get "error LNK2005:" when I build my source code. Below is what I did: Main.cpp [CODE]#include Main.h Function();[/CODE] Main.h [CODE]#include "File1.h" //#include "File2.h"[/CODE] File1.cpp [CODE]#include "File1.h" void Function() { // Do something }[/CODE] File1.h [CODE]extern void Function()[/CODE] File2.cpp [CODE]#include "File2.h" void Function() { // Do something }[/CODE] File2.h …  |
 | Hi all, I have a application which is completely written in C++. I got one review comment that normal class methods should not have any static variables and i am advised to move that variable inside class. I want to know what will be advantage of keeping the static variables …  |
| | Craigslist hosts classified ads of all kinds, including lengthy lists of [url=http://newyork.craigslist.org/sof/]developer's jobs in New York[/url] and the [url=http://sfbay.craigslist.org/sof/]San Francisco Bay area[/url]. But another type of job listing was in the spotlight today, and it's nice to know there's at least [i]one[/i] person out there who's thinking clearly. A judge … |
| | When i run this program it takes more values and prints less values.... this runs on Dev C++([url]www.bloodshed.net[/url]) [CODE]#include<iostream> using namespace std; #include<conio.h> int main() { int arr[5][5],i,j,k,l; cout<<"Enter matrix row wise"; for(i=0;i<=3;i++) { for(j=0;j<3;j++) { cin>>arr[i][j]; } } for(k=0;k<3;k++) { for(l=0;l<3;l++) { cout<<" "<<arr[k][l]; } printf("\n"); } getch(); } … |
| | [CODE]// // DiffusionTerm.h define the equation class to be solved. // #ifndef DIFFUSIONTERM_H #define DIFFUSIONTERM_H #include<vector> #include<iostream> using namespace std; class Equation; class DiffusionTerm { private: Equation* pEquation; public: DiffusionTerm(Equation* _pEquation ){pEquation=_pEquation; }; ~DiffusionTerm(){}; vector<double>Coe; vector<double>source; void evaluateCoeAndSource( ) { vector<double>& ThermalConductivity= pEquation->pMedia->getThermalConductivity() ; } }; // // Equation.h define … |
| | [CODE]// // Media.h define the class cell // #ifndef MEDIA_H #define MEDIA_H #include<vector> #include<string> using namespace std; class Media { private: // media name string name; // the density vector vector<double> density; // the capacity vector vector<double> cp; // the thermal conductivity vector vector<double> thermalConductivity; // the viscorsity vector vector<double> …  |
| | Hi friends, I'm retrieving some information from a input file with 10 columns and I need to get the first 3 columns and set into 3 different variables and the last 7 in the same variable. I was using "ifstream" and ">>" like: [CODE]myfile >> stringA; myfile >> stringB;[/CODE] ... … |
| | open cv[code]#include <cv.h> #include <highgui.h> #include<stdio.h> int main() { cvNamedWindow( "Example2", CV_WINDOW_AUTOSIZE ); CvCapture* capture = cvCreateFileCapture( "a.avi" ); IplImage* frame; if(!capture) { printf("fail"); } else{ while(1) { frame = cvQueryFrame( capture ); if( !frame ) break; cvShowImage( "Example2", frame ); char c = cvWaitKey(33); if( c == 27 ) … |
| | I have not found a solution yet, please help! My header files are structs which house the declarations of my functions and the associated CPP file houses the implementation. I want to pass a string to my ADD and REMOVE but get compile errors.. [CODE]/// //Profiles.H /// #ifndef __PROFILES_H #define … |
| | Dear friends: I have the following two classes.[CODE]#ifndef EQUATION_H #define EQUATION_H #include <stdlib.h> #include <map> class Mesh; class Equation { public: Equation(); virtual ~Equation(){}; void associateMesh(Mesh * _pMesh){ pMesh = _pMesh;}; virtual void addsItsVariables4PostProcessing(map<string,const Variable*> & variablesMap)=0; protected: string name; const Mesh* pMesh; }; #endif [/CODE] Before the class Equation, … |
| | hey, I promise i'm getting there!! so my code now seems to be emptying the structures as they are passed between the functions, any thought on how to fix it? also if anyone knows of any good examples of passing by reference, that could apply to this code that would …  |
| | HI, I started to play with files in C++ and I have a little problem. Here is my c++ project and the problem: main.cpp [CODE]#include <iostream> #include "resource.h" #include <windows.h> #include <stdio.h> #include <fstream> using namespace std; int main() { HRSRC hRsrc; hRsrc = FindResource(NULL, MAKEINTRESOURCE(IDR_MYTEXTFILE), TEXTFILE); if (hRsrc == … |
| | I have tried to get this program to work with no luck. How do you properly use the nested selection structure? (sorry for the lack of braces, I tried getting rid of some for less confusion. Didn't think it would work but thought I might as well try :D). I'm … |
| | Any ONE who can solve this problem.... "Permutations: The challenge is to find the algorithm used to create all possible permutations of a given string"  |
 | Hey guys I basically finished reading Beginning Visual C++ 2010 with Ivor Horton, I skipped the MFC part as I am more interested in the Win API which there's was only one third of a chapter on(not enough) and I was wondering if Programming Windows, Fifth Edition by Charles Petzold … |
 | Hi all! After surfing the web I ended up here as I could not find a good answer! I am writing an application with c++ and gtkmm. I want to access the network card and listen on all ports for packages. As far as I have found out it is … |
| | I have this working code but my teacher wants really specific things. codes always have to be OOP, and this needs to to have no more then 2 cout. i have 3 but cant seem to find away to take one out. my friend told me i should do this … |
| | Hello, First of all, sorry for my english. I will try to make me understand. I'm doing a program with CodeGear C++Builder 2009 that manages a few tables. The tables were created with Database Desktop 7.0 (dbd32). Between these tables there are a table whose name is 'Evaluation'. His estructure …  |
 | I have been learning PHP MVC pattern and it is pretty cool. have almost finished app and I can see how mess you can make a code without good design. Now can MCV be applied to C++ apps? Where does Plugin manager/Plugins go if that is even possible?In model or … |
| | Hi, I was given this class member function that overloads the == operator. I don't understand it. Please could you help me understand it? Here is the class [CODE]class Word { public: // constructor Word(const string& word); // overloads is-equal-to (or equivalence) operator - this is very useful for testing, … |
| | Hi I'm new in this forum. I'm an italian student (not an expert of c++) , so I perharps will not understand very well English (escuse me); I wanted to create a program in C++ that let me to receive the translation in Morse Code of a string... Do I …  |
| | Hi I'm software engineering student. I know python, c, c++ and c#. It's been two years I'm trying to learn programming but somehow I still a beginner. I just know the syntax of these languages. I love Linux and open-source. I tried to learn programming in Visual Studio but my … |
| | Im getting a bunch of errors from the compiler.Not sure what im doing wrong.... Header File [CODE] #include<iostream> using namespace std; #ifndef STACK_H #define STACK_H template<class stackElem, int maxSize=80> class stack { public: stack() { top=-1; } bool push(const stackElem &item); }; #include "stack.cpp" #endif [/CODE] this is the .cpp … |
| | I've tested the following code in a console application, and it compiles just fine. However, when I copy it to a header to include in a larger project, I get 77 link errors, all related to boost. If I comment out the line in [COLOR="red"]red[/COLOR], everything compiles just fine without … |
| | Hello, Is there some possibility to export end game result from EA Sports game NHL 2002? I want to use it for my web cup-administration tool. I haven't any experience with C++ (what I think NHL 2002 is written in) nor any debuggers. Could you please help me or give … |
| | I'm using VS 2010 and I always get multiple error messages: '<<': no operator found which takes a left-hand operand of type 'std::string' (or there is no acceptable conversion). I get that for lines 36 and 52. Then I get "Intellisense: no operator "<<" matches these operands for lines 36 … |
| | Sorry for the confusing title. Basically I have a line which I read from a file that gets stored as an array stack of characters that reads as follows: Nn<-<-<-<-No <-w iz<-sthe<-<-<- the time. Where the top of the stack is the '.', and the bottom is the 'N' respectively. …  |
 | Hi, I have written a small program to calculate Fourier coefficients of square wave. [CODE] #include<iostream.h> #include<stdlib.h> int main() { int *A,*B,a,n,i,; float pi=3.14; cout<<"Enter value of amplitude"; cin>>a; cout<<"Enter which harmonic you want to display"; cin>>n; A=new int[n+1]; B=new int[n+1]; A[0]=0; for(i=0;i<=n;i++) { B[i]=0; } for(i=2;i<=n;i=i+2) { A[i]=0; } …  |
 | Hi, I am trying to make a one octave piano. heres my code: [CODE]#include<windows.h> #include<mmsystem.h> #include<stdlib.h> /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); /* Make the class name into a global variable */ char szClassName[ ] = "WindowsApp"; int WINAPI WinMain (HINSTANCE hThisInstance, HINSTANCE hPrevInstance, … |
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