[c++] Forum Topics

Hello all, I will be placing my source code onto pastebin and making it private as I am scared of my fellow students stealing my hard work for this class. So far I have about 1000 lines of code that is pretty easy to understand and it compiles and runs …

This is a part the extension module im writing for python using c++. ( The complete source is available as an attachment ) [CODE] #include <python2.6/Python.h> #include <iostream> #include <fstream> #include "structmember.h" using namespace std; typedef struct { PyObject_HEAD fstream file; } CppFileObject; static int CppFile_init( CppFileObject *self, PyObject *args …

Hi! I am looking for something to compact the clear and push_back in one line... [CODE] std::vector<int> v(3,100); v.clear(); v.push_back(4); [/CODE] I have thought that vector::swap may be usefull for this task but still figuring out how. Any sugestion or idea? Thank you in advance!

Hello World !!! I am having problem in my project regarding mouse click within a particulr area on GL surface screen...when I click on that particular area..mouse click generates windows coordinate like (200,349). It's hard to sense the mouse click in that area on GL surface screen....so how can I …

Okay this feels like a really silly question. Values that I have set to private should be able to be used through out that class alone, yeah. Say I have this: [code] #include <iostream> using namespace std; class Telegram{ public: Telegram(); ~Telegram(); void getData(); private: int **telegram; int rows, cols; …

While compiling a simple code in c++ i get the errors C:\Users\ila\Desktop\mule\mule.c|1|iostream: No such file or directory| C:\Users\ila\Desktop\mule\mule.c||In function `main':| C:\Users\ila\Desktop\mule\mule.c|6|error: `cout' undeclared (first use in this function)| C:\Users\ila\Desktop\mule\mule.c|6|error: (Each undeclared identifier is reported only once| C:\Users\ila\Desktop\mule\mule.c|6|error: for each function it appears in.)| ||=== Build finished: 4 errors, 0 warnings …

[code]ofstream f; char c; f.close(); f.open(s.c_str(),ios::out); if(f.is_open()) { cout<<"Press <q> to save file"; char *text; int count=0,count1; while(1) { system("stty raw -echo"); cin>>c; cout<<c; system("stty cooked echo"); text[count]=c; ++count; if(c=='q') { text[count]='\0'; while (text[count1]!='\0') f.put(text[count1++]); f.close(); break; } } [/code] please help me out in this syntax i was not …

I need to implement graphics in c++.what IDE should I use and what are the library files required for it? Note-I have just a week time so please tell some suitable way by which I can learn. Regards

I've been working for a while now on a module assesment which is due in tomorrow. The trouble I have is that I have an extension, the module has finished and there is no one in my school to ask since it's been the Easter holiday :( Instead of 'borrowing' …

while debugging my code in code blocks I always get this error "<filename> - Debug" uses an invalid compiler. Probably the toolchain path within the compiler options is not setup correctly?! what should I do?

Hi there, I am new in C++/CLR. I am trying to access to Form1 property from a header file, but I can't. I have included this header file in Form1.h. Here is the source of the header file: // General.h #ifndef GENERAL_H #define GENERAL_H #include "Form1.h" void ChangeFormText() { Form1^ …

Title says it all, basically I'm just trying to print the pointer *p to display all the values in that array. [CODE]#include <iostream> #include <string> //#include <stdlib> using namespace std; void extend(double *p, double *q, double *a, int c); int main() { const int CONST = 10; double price[CONST] = …

I am currently a C# developer with about a year of experience. I am currently working on finishing my computer science degree with a minor in mathematics. I love the job that I am in, but I the things I really want to do are in C++ (i.e. game development, …

I'm unable to use code blocks.I do not know how to compile and run code in this IDE.Please help.

I've spent the last hour trying to figure out why my calculations are not adding up. Once i run the program it just output 0 for the total points program averages and etc and it also leaves student name blank. Can someone please help me figure out the issue. thanks …

hey guys, im fairly new to this so feel free to tell me if i need to supply more info. basically i need to write code to read in a text file and store different values in different variables, so for example i would read in: bob 1.1 maths 1.2 …

[code] 1: int main() 2: { 3: unsigned short x; 4: unsigned short y 5: ULONG z; 6: z = x * y; 6: return 0; 7: } [/code] Please ... i got to many error. When I want z value to write in Textbox form window. Just like var …

Is there any LED control to add to MFC project in order to have some graphic sense of e.g a timer?

[CODE]#include<stdio.h> #include<stdlib.h> #include<string.h> void main() { char* a[10]={"asd","QWE","ghj"}; printf("%s %c",a[2],a[2][2]); // prints properly... "ghj j" puts(a[1]); //prints properly..."QWE" a[1][1]='t'; //gives segmentation fault.... }[/CODE] what is the mistake in the code...??/..pls help..have an exam in 6 hrs...thank you....

Hey if I have a value that was p=3 in a for loop, and after a few loops it gets changed to p=6 is there anyway to say "go back to previous value"?

I´m trying to develop an avl tree in C++, but I have problems with my rotation algorithm. I have try ALL the algorithms I could find on the web, but none of they works and I can´t see where is the problem. Here is my structure: [CODE] typedef struct node{ …

So I have a "base" class called "SortData". When I try to allow my other header file "InsertionSort.h" inherit this base class, I keep getting a class type redefinition error. What am I doing wrong? Here's the base class header: [CODE] // SortData.h #include <iostream> using namespace std; class SortData …

Create a program that is a Point of Sales (POS) system for a restaurant. Your POS system should allow unlimited orders from any number of guest. Each guest should be able to order a drink, an appetizer, an entree, and a dessert. The program should present a total. In addition, …

hello, I'm almost done it, but I'm lost in the huge forest of c++... so, here's my code: [CODE]#include <iostream> #include <fstream> #include <time.h> #include <stdio.h> using namespace std; int gettime() { time_t rawtime; struct tm * timeinfo; time ( &rawtime ); timeinfo = localtime ( &rawtime ); } int …

I have a nested class declared as: [CODE]class A { class B { // members }; // members }; [/CODE] Is there a good way to avoid typing A::B every time I need to access B's members? I'd just like to do this in one .cpp file. I tried "using …

[B]In main.cpp[/B] [CODE]#include <iostream> #include "init.h" using namespace std; Initialization Init; int main() { Init.test(); return 0; } [/CODE] [B]In init.cpp[/B] [CODE]#include <iostream> using namespace std; class Initialization { public: void test() { for(int i=0; i<10; i++) { cout<<i; } } };[/CODE] [B]In init.h[/B] [CODE]#ifndef INIT_H_ #define INIT_H_ class Initialization …

Hi, I've confusion with static member variable in c++ class. Please have a look on following code. class test { public: static int i; float j; }; int test::i = 0; int main() { test *t = new test; test::i = 100; cout << "test::i = " << test::i << …

Hi Guys. I tried creating an insert into tree datastructure which is causing core dump. Please identify the issue... Here is the code [code] #include<iostream> #include<string> #include<stdlib.h> using namespace std; //Global Data struct Tree { Tree* right; Tree* left; int element; }; typedef struct Tree* TreeData; //Function Declaration void insert(TreeData …

I noticed that the main.cpp in a Qt application has to contain the following line: QApplication app(argc, argv). I know that argc is the number of command-line arguments, and argv is that array list of command-line arguments. But, the question in my mind is: what are those arguments I'm passing …

While running all codes in visual c++ it gives me the same error -"Error 1 fatal error C1083: Cannot open include file: 'test.h': No such file or directory c:\users\ila\documents\visual studio 2008\projects\game\game\testgame.cpp 1 " I have created the header file test.h.