49,766 Topics
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 | I want to make a mouse controlled camera the problem is that i want to rotate over the space not the current object but I don't know how to calculate the changes on view transformation. Here is the code example: [CODE] D3DXMatrixLookAtLH(&matView, &D3DXVECTOR3 (0.0f, 0.0f, CurCamRot.z), // the camera position … |
 | Hi, I have an app created in Borland Builder 6, on Win 7, but I tested it on Win XP, and font's size changed, some forms resized... This guy has explained the problem >> [url]http://www.tek-tips.com/viewthread.cfm?qid=1668509[/url] Anyone experienced with this? |
| | something is wrong with my dequeue function. When i try to output the value that's about to get deleted i get garbage on the console window. the enqueue function works fine. [CODE]class Queue { private: int value; Queue *next; public: void dequeue(); void enqueue (int num); }; Queue *head=NULL; void … |
| | hello everyone! i'm writing a program using linux environment and i'm curious about the use of waitpid().i have searched the command on google but i'm not sure i understood the return values of the command. for example i want to use it as follows: [CODE]if(waitpid(-1,&status,WNOHANG )>0) sum++; [/CODE] where sum …  |
| | I am trying to build a console project using Microsoft Visual C++ 2008 Express. I included a static third-party library (no source code available) by adding the name to the Additional Dependencies (in Project Properties\Linker\Input). Additionally, I added the path of the folder where the ThirdPartyLib.lib is to the Tools\ProjectsAndSolutions\Directories … |
| | Hi all just wanted to take a moment to introduce myself. I stumbled upon these forums while looking up more information on programming in C++. It looked very useful and it would be nice to have a forum I can ask questions on and post problems I"m having with coding. …  |
| | I am trying to write some simple programs related to network and I boost::asio as a tool to start with Below is one of the example from a blog(I alter it a little bit) [code] void OnConnect(const boost::system::error_code & ec) {} void asio_7b() { asio::io_service io_service; asio::ip::tcp::socket sock(std::ref(io_service) ); try … |
| | Hey everyone out there please help me with this code [code] #include<iostream> #include<stdlib.h> #include<time.h> using namespace std; int main() { long n; cout<<"Enter no. of random numbers to be generated\n"; cin>>n; int arr1[n]; srand(time(NULL)); for(int i=0;i<n;i++) { arr1[i]=rand(); } int x=0; int pos=0; double k=time(NULL); for(int i=0;i<n-1;i++) { x=arr1[i]; for(int …  |
| | i need some help..for vc++ 6.0 like vb inputbox...is there any inputbox available for dialog or sdi based mfc application... in vc++ is there any page navigation is possible... like vb hide or invisible... |
| | am want to develop a file transfer program in vc++.. normal text file it is possible.. but is it can read for multimedia file.... like java here byte read is possible... |
| | Hii, I had an application which suffers from crazy scrollbars. When textboxes are loaded with some array elements their scrollbars scrolls towards to the bottom of the boxxes.So the multiline textboxes looks as if they are empty !!! However, when i open an empty project to see if this situation … |
| | I kind of lost here... I have the book but it does not show the loop... I want to use je 100 but this is not the same language Using the IAS computer instruction set to write a program for the following C(I)=A(I) + B(I) for I = 1,2,... 100 … |
| | I'm a little lost with C++ so I could really use your help with this one! I googled it but nothing does what I want to do! So here is my problem... Let's say I have a file like this: A 10 20 30 40 B 25 13 100 99 … |
| | every time i run the program it prints out 0. I think something is wrong with my display function but i cant see the problem. [CODE]#include <iostream> using namespace std; #define STACKSIZE 10 class stack { private: int arr[STACKSIZE+1]; int tos; public: stack(); void push(int x); int pop(); bool is_empty(); …  |
| | Hello all. I am trying to figure our how to add a pin and unpin button on one of my ms visual forms. An example of this is the pin that in used on the top right of the solution explorer in ms visual. I know that in the basic … |
| | We have been assigned to make a program for a bank using data file handling, as our project. I am having some trouble at this point... the last object written in the file is printed twice and I've no clue as to why. Case for display: [CODE]file.open("Records.dat", ios::in | ios::binary); …  |
| | Sorry for using Inception in the title but it's the only way I think I can describe it.. Take this for example: Definition.H [CODE] struct XY { string info; string name; string tag; string attrib; }; //is it better to create an object here inorder to make the array? struct … |
| | hello everyone! i'd like to know if theres a way to run my program until the user presses Esc button. i use linux environment and my main function runs fork().i want the program to stop the fork() when the user presses escape. thank you! |
| | I am trying to make a circular linked list and I think I am not linking it properly in the middle area because I can print the last and first node, but not the rest... [CODE]#include <iostream> #include <new> using namespace std; struct node { int Item; node* Next; }; … |
| | Please help me run this program, i forgot the output of this.. [CODE] #include<iostream> #include<cmath> using namespace std; class SumTwoNumbers { int nx,ny,sum,suma,sumtn; public: int GetFirstNumber(); int GetSecondNumber(); int GetSum(int,int); void Display(int,int); }stn; int SumTwoNumbers::GetFirstNumber() sum=nx+ny; //here is where the errors i wrote below points! i dont know why return(sum); …  |
| | I'm trying to implement priority queue using a singly linked list, but the program is not running in the best way, n the display function is showing just first n last node's data , y??? [CODE]#include<iostream.h> #include<conio.h> struct node { int n,p,b; // Data members for getting Task no. ,Priority … |
| | Hi, I got this error while trying to access the method that I've posted here. Main program: cin>>sname; string x; Sports x = Sports.getName();//error:a nonstatic member reference must be relative to a specific object. loc=x.find(sname); In Sports.cpp: string Sports::getName() {return name;} I've declared getName() function as public.Still I'm getting this … |
 | Hey everyone, I've made a game with SDL and I'm now trying to distribute it. I've included all of the required .DLLs and such but now I get this error whenever I try to run the .exe: The application or DLL E:\GAME\DEBUG\MSVCR100.dll is not a valid Windows image. please check …  |
| | I'm writing a dayType class program and I'm having trouble with comparing two different days to each other. Here is what I have for them: bool dayType::equalDay(const dayType& otherday) const { } and here is main: if (day.equalDay(newday)) cout << " equal days" << endl; else cout << "not equal … |
| | Hey guys, I'm fairly new to C++ and I was wondering if I could get a hand with something. I'm trying to write a program that will create something called an anti-saccade task, in which the subject of the experiment would have to look away from the stimulus, for my …  |
| | Hi there, I am new to C++, and was wondering if someone could write an example program for me to work with. What I would like to do is take input from stdin and then display the translate output to stdout. Example: Input: [code] (color 0 0 0.1) // These …  |
| | [code] struct String { String() { std::cout<<"String::String(), this="<<this<<std::endl; } ~String() { std::cout<<"String::~String(), this="<<this<<std::endl; } String(String const &other) { std::cout<<"String::String(String const &other), this="<<this; std::cout<<", other="<<&other<<std::endl; } String& operator=(String const &other) { std::cout<<"String::operator=(String const &other), this="<<this; std::cout<<", other="<<&other<<std::endl; return *this; } }; String const operator*(String const &lhs, String const &rhs) { String … |
| | Hye.. Any know to create calculator program for formula V=IR In c++..?? Please help me.. ASAP |
| | Code works, however i'm having problems with reverse string- i cant figure out how to index the elements. for cycle returns errors, what else could i use? The end goal would be to compare string line with string reverse. If adequate elements match its a palindrome. [code=c++] #include <iostream> #include … |
| | I have a palindrome set up in the system, and running fine. However, when I type "never odd or even" or "A Man, A Plan, A Canal, Panama", it didn't run properly as if these words in quotation marks are considered palindromes. Where is the loophole on my code re: … |
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