49,757 Topics
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| | Hi everybody! I'm working on a following program: [CODE] #include "stdafx.h" #include <iostream> using namespace std; class char_queue { protected: struct charList { public: char val; charList* next; charList(char ch, charList* ptr) { val = ch; next = ptr; } }; protected: charList* begin; charList* end; void clearCharList(); public: char_queue(); …  |
| | Hi there. I am creating a mock up of a physics library currently, and I am currently trying to deal with 2d arrays. Right now I am having issues with transposing the array. here is the code with the messy stuff cut out [CODE] //TMatrix.h #pragma once #include "main.h" class … |
| | hi, can someone help me started with how to write a program that remove the comments from an input cpp file? I am not even sure how to declare the function, like what would be the parameters? and if I use ifstream file; file.open("text.cpp") will the program treat that as … |
| | Hi! I'm trying to find min variance (both value [U]and[/U] index). I have x# of product defects tracked over y# of days. prod1 prod2 prod3... Day1: 1 1 1 Day2: 1 2 2 I have arrays that store max & min defects, by product#. minVar = maxDefect[]-minDefect[] gives me the … |
| | Here is my initial code. It is linking, but giving me an error code that I can't comprehend. I have to basically write a program to do the following: In main declare a Player Name array and a score array. Declare the size of the arrays to be 100. In …  |
| | This was part of a questionnaire. I have no idea what they are asking... my closest guess is float rational please help! thank you. |
| | I made a simple color finding game. the problem is that my color input guess is not good so complex I want them in one line and also I want to see my tries at certain places. can you help me thanks in advance. [CODE]#include <cstdlib> #include <iostream> #include <string> … |
| | I have written the program below to calculate Standard deviation and mean of a given file of data. If I run it gives the wrong answers. Can someone help me go along? #include <cstdlib> #include <iostream> #include <cmath> #include <fstream> using namespace std; class Statistics{ double x; int n; double … |
 | [code] void* thread(void* arg) { std::cout << "Hi" << std::endl; return arg; } void clientFunc(TCPSocket* s) { pthread_t pid; pthread_create(&pid, NULL, &thread, NULL); pthread_join(pid, NULL); } int main() { ServerSocket s(4543); try { while(1) { clientFunc(s.accept()); } }catch(Error& err) { err.what(); } } [/code] My question is, how can I …  |
| | here is my code [code=c++] int main() { int i; char * cstr; char * p; string *userInput; int sizeOfArray; cin >> sizeOfArray; add(i,userInput,sizeOfArray); system("PAUSE"); } void add(int i, string *userInput, int sizeOfArray) { string Input; char * cstr; char * p; userInput = new string [sizeOfArray]; for(i= 0; i< … |
 | hi Using while, write a program that keeps reading integers from user until he enters -1 then prints the average of all entered numbers (-1 should be ignored). this is my solution, but i dont know why he gives me wrong average? [CODE]#include<iostream> using namespace std; void main() { double …  |
| | Someone Please help with this. I want to make a class Statistics and read from an external file and find the mean and standard deviation and below is what i have so far. any suggestions? [code] #include <cstdlib> #include <iostream> #include <cmath> #include <fstream> using namespace std; class Statistics{ double … |
| | Palindrome detector. Palindrome is any word/sentence/phrase that reads the same foreword and back. I'm in the middle of creating a program that accepts a sentence, phrase, or word. Then checks to see if it's a palindrome, I'm just having trouble on what to pass to my function. The function must … |
| | Hello everybody! I'm trying to understand following code. [CODE] #include "stdafx.h" #include <iostream> using namespace std; class Circle; class Square; class Triangle; class Shape { public: virtual bool Check(const Shape&)const = 0; virtual bool Check(const Circle&)const = 0; virtual bool Check(const Square&)const = 0; virtual bool Check(const Triangle&)const = 0; … |
| | Hello all, I've recently been asked to demonstrate the difference between Turbo C++ 3.0 and Visual C++ 2008. I'm not really familiar with the current coding standards, so I've enclosed a sample of Turbo C++ code. Please point out which functions are deprecated as well as their replacements. [CODE="C++"]#include <iostream.h> … |
| | I have a dialog-based application that just has a big edit box. I want to make a quotation mark bold right when it is typed. How can this be done? I am using dev-c++ 4.9.9.2 (I don't know how to make single characters bold, let alone how to capture the … |
| | Can anyone tell me how to find the maximum value for a specific variable(i.e int, long long int, double)? Also is there a way to set a variable to this value(without knowing it and typing it in)? Using Dev C++. Any help appreciated.:) |
 | Hi Friends, I am new to C++ wxwidgets world . I plan to study same, I am basically from web programming but I like to study this new technology come in C++(I am newbie there too!). I have 2 types of C++ distributions installed in my PC with Windows XP …  |
| | Dear All , I need your support to convert the below C++ 6 lines code to C# or vb.net . this function calculates the checksum for a given text. GUCHAR GenerateCkSum(GUCHAR *pure_data, U2 size) { GUCHAR chksum; I2 i; chksum = pure_data[0]; for(i=1; i<size ; i++) chksum ^= pure_data[i]; return … |
| | Hi I'm New Here. Although I have been reading in the past and appreciate all the help that the board has given me already. I have a homework assignment that I need the user to enter how many names they want to enter, then enter that number of names, display … |
| | hello, I want to write 2 programs with C , one work on Robot1, the other work on Robot2. So I want the program to send a signal from Robot1 via Bluetooth to Robot2 and Robot2 handles and accepts this signal (message)and reply to Robot1. how to code this? please … |
| | Hi.. I don't know how to do the draw condition & error checking on the following tic tac toe codes, can anyone help me to complete this with elaborations and explanations please.. thanks #include<iostream> using namespace std; char box[9]={'1','2','3','4','5','6','7','8','9'}; void drawboard() { cout<< box[0]<<" | "<<box[1]<<" | "<<box[2]<<endl; cout<< "---------"<<endl; … |
| | hello guys... when we press F12 in visual studion envirnoment, it takes us to the definition of the function (and Shift+F12 to declaration) but what is the hotkey for going back where we were (I mean back to the usage of function where we pressed F12)?? thnx |
 | Hi, I have been working on a way to reverse bitwise Xand with c++. I have managed to do most of it but can anybody tweak this script I made so it works to its full potential. At the moment this script tries to return the variable x from ((12 … |
| | [code=c++]void getCommands(char * cstr,char * p,string *userInput,string Input) { string currentCommand = ""; strcpy (cstr, userInput.c_str()); p = strtok (cstr," "); while (p!=NULL) { p=strtok(NULL," "); cout << p; } [/code] ERROR `c_str' has not been declared request for member of non-aggregate type before '(' token I have #include <cstring> … |
| | hello guys...Due to some reasons I need to pass a variable's address to MeessageBox(). I am using a function which returns a pointer to the item selected from combo box. Now I want to show this item's name in the MesageBox(). How can I do that? thnx`````` |
| | I'm trying to say this: [CODE] string songLocation = "data/sounds/blabla.wav"; PlaySound(songLocation,NULL,SND_FILENAME|SND_ASYNC);[/CODE] but here is the error I get: [CODE]cannot convert `std::string' to `const CHAR*' for argument `1' to `BOOL PlaySoundA(const CHAR*, void*, DWORD)' [/CODE] Does anyone have any ideas? (btw, songLocation cannot be changed from a string. If that happens … |
| | Hello people, Quick question. I am working on a mouse maze project, and I need help reading the maze into a dynamically created multi-dimensional array, called "maze". I have already implemented a working code as long as the type of "maze" is char. Below is the code for that: [CODE]bool … |
| | I'll try to keep this short. I'm writing a 2D platforming engine and I had good collision detection, but I had to add a separate condition for every platform I had. Essentially the collision function compares the sides of 2 rects. Here is a code snippet of the for loop … |
| | I've got a chunk of code that opens up a txt file with 5 or 6 lines inside. I only need to grab the first line of the txt file and put it inside of a variable. The problem is that when I use this code, instead of grabbing the …  |
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