49,757 Topics
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| | Hi, I'm mechanical engineering graduate student in Portugal. I'm familiarized with c++ but I've been having problems with the windows forms. I'm trying to make a form that would compile diferent data with inviscid fluid flow formulas but I've got one major problem. I've done hundreds of google searches and … |
| | Hello everyone. I am experienceing some rather strange behaviour regarding the instantiation of an object. It's a templated custom array type object, something like this. [CODE] template <class T> class Array { public: // Construction/destruction. Array( void ); Array( unsigned int size ); Array( const Array<T> &array ); ~Array( void … |
| | Can anyone help me on how to display my infix notation with parentheses? 4+3 should be displayed as (4+3) also, my code only works for simple expressions like 4+0, it can translate the infix,prefix,and postfix correctly, but when the expression grows, for some reason, its outputting the incorrect notations for …  |
| | I wrote a very simple vector class to call level 1 BLAS through MKL, [CODE] #include<mkl.h> #include<stdexcept> #ifndef _x_matrix #define _x_matrix class xVec{ private: double *v; int n; public: xVec():n(0),v(0){} xVec(int a):n(a),v(new double[n]){} xVec(int a, double c){ n=a; v=new double[n]; for(int i=0; i<n; ++i) v[i]=c; } ~xVec(){if(v) delete[]v;} double &operator()(int … |
| | Good afternoon, I've got an assignement where i need to set up a parent class and a child class with .cpp files. When I try to call the a function in the child class i get and undefined reference error. I'm able to initialize this class using the default constructor …  |
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| | sir i want to multiply two matrix 3-by-3 using recursion function please send me source code on mail address <<snip>> thanking you  |
| | Hi you can customize it the problem is that when i put 5 it say to low then when i put 6 it say to high or any numbers pls help me.. [CODE] #include <iostream> #include <cstdlib> #include <ctime> #include <conio.h> #include <cmath> using namespace std; char ans; int main() … |
| | [CODE]//************************************************************************************ // // This program keeps track of speakers' bureau. // It displays a menu, where the user can add info, // view the info of another speaker that's already in there, // and etc. //************************************************************************************* #include "stdafx.h" #include <iostream> #include <iomanip> #include <cstdlib> using namespace std; //************************************************************************************** // function … |
| | I can't seem to figure out whats wrong with my logic for the is it a function or not area. I used the following given test with the correct output: f(1) = 1 f(2) = 4 f(3) = 3 f(4) = 1 f(5) = 1 This function is a valid …  |
| | The program initially asks the user to insert the secret sentence and the encryption code (an integer number in the range 1-100). Then, the program calls a user-defined function void encrypter (char *, int) that accepts the string pointer and the encryption code. The encryption algorithm is based on the … |
| | I'm having a problem getting my buffer(string) to print out everything that the user inputs. When I run my code the buffer only prints out the last thing that is inputted. I've tried just about everything and I really do not know what else to do. I'm new to c++ …  |
| | [COLOR="Green"] I am using Lotus C++ API to create DLL's. I use VB6 and Lotus8.5.0 for programming. I am able to create EXE files & am able to execute and see the results. I then created a DLL,used that DLL successfully in LotusScript. But when I tried to use the … |
| | i'm trying to count the number of people (i called speakers) that are on the list. But, in order to do that, I have to know that there is actually some name is written in that person's spot. In other words, I want the "for" loop to skip/don't count the … |
| | This question was rolled out in our data structures Mid Term or test, i can't remember which. I'm pretty sure it was the mid term. The actual question if I remember correctly was something like. 'Is C++ the King of all Languages, it will always be around and is the … |
| | Hey all I have this program that is supposed to output a stickfigure. I got this from my game programming elective class (which I now regret enrolling to) and the professor told us to work on it in a way that the class called "example" with the function render should … |
| | [CODE]#include <iostream> using namespace std; int main() { int numbers; numbers = 2; while (numbers <= 1000); { if (numbers % 2 ==0){cout<< numbers;}; if (numbers % 3 ==0){cout<< numbers;}; if (numbers % 4 ==0){cout<< numbers;}; if (numbers % 5 ==0){cout<< numbers;}; if (numbers % 6 ==0){cout<< numbers;}; if (numbers …  |
| | Hi. I am creating a program for class that can be used to gather statisctical data about the number of movies college students watch in a certain time frame. I have to find the average, median and mode and show this in the output. I am able to get my … |
| | Hey guys, wasn't sure where to post this but i posted it in both categories. Converting the for loop is probably the most confusing for me especially the arrays. Hope you guys can help me out, thanks. [CODE] #include <iostream> using namespace std; int main() { int Function[10][2] = {0}; … |
| | Hey guys, wasn't sure where to post this but i posted it in both categories. Converting the for loop is probably the most confusing for me especially the arrays. Hope you guys can help me out, thanks. [CODE] #include <iostream> using namespace std; int main() { int Function[10][2] = {0}; … |
| | hello, i have a code of the game called 'TRON' in c++ an example of the same game in c++ here [url]http://www.mediafire.com/?vnkslb3x0qbd3q0[/url] ((i tried to upload it here but it says invalid every time)) i can't understand some partss of the code so please geys help me understanding the code … |
| | Good afternoon, Does anyone know whether it's possible to have more than one overloaded ostream in a class? This is for a time class that i've created however it ouputs data like this 12:12:12:AM, i'd like to use the same ostream operator to output military time 14:12:12, however when I … |
| | Hi all, I am currently working analysising silicon pixel detectors for the LHC at my university. One thing i have to do is to find clusters of signal in a silicon pixel detector. I have directory of macros which handles the data and getting it ready, not important. My goals … |
| | Sorry for the newbie question, but what are header files? What should they contain? Just classes and definitions? |
| | I want to draw three circles within a pentagon in C++. I also want to give random movement to one of the circles within pentagon. Can anyone tell me the code alongwith the required header files for drawing this. regards |
| | i have written the following code for an add fucntion for a linked list implementation. when i run it, it runs correctly. when i went to class today, i found i had made a mistake. my add function adds only a student data type, whereas the assignment was to make … |
| | Hi, i know this topic was here several times, but all threads are very old and codes from them are not working for me. So, I need to simulate mouse and keyboard events on my windows (moving mouse,clicking mouse, pushing keyboard buttons). I need to do this all from c++ … |
| | i have been given a series and ihave to find its sum. i'm just a beginner so pleese keep ur program simple; series is like this; 2^2 + ( 2^2+ 4^4) + (2^2 + 4^4 + 6^6).... take in number of terms from user.  |
| | hello guys, sorry if it's wrong topic name but in accelerated c++ book and in chapter 2 exactly i have a problem [CODE]#include <iostream> #include <string> // say what standard-library names we use using std::cin; using std::endl; using std::cout; using std::string; int main() { // ask for the person's name … |
| | First I would like to say my knowledge of C++ is limited; most of my experience is in Java. Also this is my first post to daniweb, so please excuse me if I didn't follow proper etiquette (but please let me know). That being said, I have a need to … |
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