51,593 Topics
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 | In this .cpp i have an error saying member function cannot be redeclared. I dont know what it needs to get rid of the error obviously it needs a declaration somewhere but where? [CODE]#include <iostream> #include <ctime> using namespace std; Monster::Monster(std::string Name, int health, int hitPoints, int miss, int damage,const …  |
| | I have a difficulty for saving a file in C++. I have an existing file which is opened by my program. The program should save the changes to the existing file (Example: D:\A4.txt) when I select 4 (as known as the menu). However, the program does not save the changes. …  |
 | class vector { int *v; int size; vector ( int m ) { v=new int[size=m]; for(int i=0;i<size;i++) v[i]=0; } vector( int *a) { for(int i=0;i<size;i++) v[i]=a[i]; } }; int main() { int x[3]={1,2,3}; vector v1(3); vector v2(3); v1=x; v2=y; return 0; } My doubt is , how can the constructor …  |
| | Can anyone see the problem with my method ATTACK [CODE]#include "Monster.h" #include "Player.h" #include "Weapon.h" #include <iostream> using namespace std; Monster::Monster(std::string Name, int health, int hitPoints, int miss, int damage,const std::string& weaponName) { Name = Name; hitPoints = hitPoints; Weapon weapon; miss = miss; damage = damage; weapon.Name = weaponName; … |
| | Ok, so I'm trying to fix this.. [CODE]# include <cstdlib> # include <iostream> # include <iomanip> # include <cmath> # include <omp.h> using namespace std; int main ( void ); void jacobi ( int n, double a[], double b[], double x[], double x_old[] ); void r8vec_uniform_01 ( int n, int … |
| | Hello! I want to split a string, say : "I have a dog" of string data type to an array of strings. I want to save that array. i.e I want an array like: array[0]="I" , array[1]="have" , array[2]= "a" , array[3]= "dog" Please help me out. Thanks, |
| | #include <iostream> #include <windows.h> #include <cstdlib> #include <ctime> #include <cstdlib> #include <mmsystem.h> #include <vector> #include <conio.h> #include <functional> #include <stdio.h> using namespace std; char option; int answer; string theQues; string theAns; string ans; void Start(); void Level1(); void Level2(); //oid Level3(); int point=4; int main() { // system("color CE"); cout<<"\t** … |
| | I am doing an ATL Project in VC++ 2005 to use as ActiveX in VB6. I added methods, properties and events following the steps in this tutorial: [URL="http://www.codeproject.com/KB/atl/SimpleATLComWithDotNet.aspx"]http://www.codeproject.com/KB/atl/SimpleATLComWithDotNet.aspx[/URL]. Everything is working fine while I'm working inside the class. But now I need to call an event or method of the … |
 | Hello all, Visual Studio 2010 SP1 is running on a XP SP3 pc. Its C++/CLI IntelliSense support is enabled according to default configurations. However it also gives the message Intellisense unavailable. Do smb know how can this issue can be fixed ? Do i need to install an update, patch … |
| | hello guys ... i have a problem with my code here its basically to ask the user to input the time as HH:MM:SS then i calcluate the time as time=hh+mm/60+ss/3600 so first i used string so i will be able to store ':'.. now how to convert this string into …  |
| | Hi i need a little help. i want to read a multi array from a file but code blocks said a lots of error and i dont know whats the problem. can u help me? [ICODE]#include <iostream> #include <cstdlib> #include <math.h> #include <fstream> #include <sstream> using namespace std; int maxn=100; … |
| | I looked around quite a bit on how to solve this but i couldn't find a lot .. can anyone help me? The capitalized variables are constants [CODE] case '4': { bubbleSort(aList); string strKey; cout << " Input: "; cin >> strKey; binarySearch(aList, strKey); int binarySearchResult = binarySearch(aList, strKey); if … |
| | Hello all, I'm having a bit of trouble logically figuring out what to do in this case for my cs150 class. I have to create a linked list from a while loop, but I can't figure out how to link the list successively at the end of each line so …  |
| | Hello! I just made an program, but now i have problem with sorting output in the asc. order (int datum) thats date in our language :) [CODE] #include <iostream.h> #include <stdlib.h> struct datum { char dan [32]; char mesec [13]; char leto [5]; void vnosDatum(); void izpisDatum(); }; void datum::vnosDatum() … |
| | We already use a tool which called codeSynthesisXSD to transform xml into source codes of C++ Yet there are too many tedious routines could be automated. like [code] <xs:complexType name="common_t"> <xs:attribute name="channel_id" type="channel_id_st" use="optional" /> <xs:attribute name="audio_record" type="xs:string" use="required" /> <xs:attribute name="firmware" type="xs:string" use="optional" /> <xs:attribute name="login_id" type="xs:string" use="optional" /> … |
| | I have a couple of questions, regarding my program: ----------------------------------------------------------- #1: Is it possible to have my table centered? The table is located towards the bottom of my console output and, as you can see, the data is sort of off center. #2: Instead of having the user input five … |
| | [CODE]class Fraction { public: Fraction(); Fraction(int numerator, int denominator); void divide(int& num, int& denom) const; void multiply(int& num, int& denom) const; void add(int& num, int& denom) const; void substract(int& num, int& denom) const; int getNum() const; int getDenom() const; bool operator > (const Fraction& otherFraction) const; bool operator < (const … |
| | Hello, I need to sort the following by ID as I enter them into a linked list by while loop. So far I can build through the list, but I'm not sure how to sort by ID as they are entered: Albert 1000 55.5 150 Babs 3000 60 110 Freida … |
| | Objective: User enters a score then clicks Add button. Everytime Add button is clicked a Score is added to previous score to display total, averaged,counter. Issue: I enter first scores then click add. The first score displays but the second score overwrites the first. It is not accumulating. I believe … |
| | This has really been frustrating me for hours. I have included useful comments in the program. All the descent examples i've come across were using char instead of string. :icon_cry: [CODE]#include <iostream> #include <string> using namespace std; class Celeb { private: string name; //Name of celebrity folowed by decade they … |
| | I searched all over the net trying to find the reason behind why numbers are illegal as first characters in naming identifiers in C++, they say its illegal but they don't say why its illegal Id be glad if someone could tell me why :) , just curious |
| | I am trying to use C++ (in Visual Studio 2008) to create a program that I first made using Visual Logic. The program is supposed to check the users input with an external text file. The external text file just has the username's and passwords... https://sites.google.com/site/sharearea404/ I tried using arrays … |
| | Hi , I have a 2 D matrix which is a vector <vector> type. I wan to find out the unique rows. To use std::unique the rows have to be sorted. I tried using std::sort with a predicate. But sorting does not work . Could someone help me [code] typedef … |
| | Hi, my question is simply but a little bit tricky; let assume that there are two array array1 = (2, 5, 6, 1, 7) and array2 (3, 2, 6, 8) and after function setUnion new array or use pointer return (2, 5, 6, 1, 7, 3, 8). Below my code … |
| | [CODE] System::String ^name_string; SqlCeConnection ^sqlConnection = gcnew SqlCeConnection("Data Source=Northwind.sdf"); sqlConnection->Open(); SqlCeCommand comSelect = gcnew SqlCeCommand("SELECT * FROM tablo WHERE id = 33 ", sqlConnection); SqlCeDataReader ^reader = comSelect->ExecuteReader(); name_string = reader["name"]->ToString(); sqlConnection->Close(); [/CODE] What's the mistake on the code above ? :?: |
| | I'm writing a project in xlib and have a problem concerning the colors.I use unsigned long type variables for storing the color values.does anybody know how can i take the red green and blue values of each color? |
| | I'm working on a program that takes 5 integers from input and then prints out the smallest and second smallest of those integers. The program correctly outputs the smallest number but the program often outputs the second smallest number incorrectly because of ordering. For example, if I enter 33, -6, … |
| | Hello all, I have a text file set up as follows. 1 1 1 2 2 2 The program below is not reading the first line. The code below will only read 2 2 2. What am I missing here? main.cpp [CODE]#include <iostream> #include <limits> #include <cmath> #include <cstdlib> #include … |
 | Hi, I'm about to start making some little program with input of type string which'll later be converted into numbers, but it has to pass the check is there any non-digit character. Considering I was lazy to search for functions like that I decided to make my own header for … |
| | i want to make a pharmacy control system, please help me to do this, this system is for small pharmacy, help me with samples. |
| | My professor has given us the fifo algorithm program and asked us to modify it to become the clock algorithm by using reverse_map to find a page table entry and then checking its reference bit. If the reference bit is set, clear it and go on. I am just completely … |
| | [CODE]#include <iostream> using namespace std; template<class L> class LEST { L *date; int first; int last; public: LEST(int last); L dele(); bool Full(); bool Empty(); bool Add(L value); bool search(L value); void print(); }; template<class L> LEST<L>::LEST(int last) { this->last = last>0 ? last:100; first-1; date = new L(this->last); } … |
| | I am trying to use FMOD library in a console application Visual c++ project.... But I can't really get it to work I will tell u exactly what i did... First, I added the following files to the project folder: [B]fmod.h , fmod.dll, fmod_errors.h , fmoddyn.h , fmodvc.lib , wincompat.h … |
| | My assignment is to write a program that outputs the following columns of numbers using mathematical operators and the loop index. This is what I want the program to output: [CODE]1 10 0 1 1 0 2 20 1 4 2 0 3 30 2 9 3 0 4 40 … |
| | Problem: Write a C++ program with at least 3 required functions to do the following. 1: Data file contains sales information for the Bilvet manufacturing company. Input data from file and generate a report similar to the one given below. ( Data to be inputted: salespersonID number, productID number, product … |
| | hello, all! I am an absolute rookie in the world of C++ language, and not a good one either... I have an assignment to create a random number guessing game, and I am struggling with it. I have most of it done, but we have to generate the number of … |
| | Hello, I am currently working on a project for human body detection and recognition. I am using OpenCV. So far I've concentrated on the facial detection and recognition. The detection works well using the haarcascade classifier provided from OpenCV. However I'd like to create my own classifier, I tried but … |
 | Hello. I trying to solve this problem. The user inputs 4 numbers to each array (they are 2). I must output the common elements. So this is the problem i'm stucking with . Let's say p = 1,2,2,3 p1 = 3,5,1,2 the output is 2 1 3 1 2 but … |
| | I am almost finished reading one of my tutorial books on C++. I made this program a little while back. The comments explain what the program does. There are still a few errors, like if you enter a character instead of a integer you'll be stuck in an endless loop. … |
| | Hey guys, So I have to convert my previous code into a code using pointers and dynamic storage and the problem is, I have no idea how. I have already read on another forum's examples of Pointers and watched a few tutorials (simple ones) and read from my textbook. Unfortunately, … |
| | short story short, I've got data file which looks like this: [CODE] Prekės pavadinimas Atvežimo data Pardavimo data Kiekis Kaina --------------------------------------------------------------------------------- Juodos vilnojinės kojinės 2011 10 28 2011 10 28 5 6.79 Smulkus cukrus 2011 11 19 2011 10 28 15 3.66 Pigus Batonas 2011 11 23 2011 10 28 … |
| | Ok, I found this code after searching for days, and to my delight it actually worked. It loads a TGA file into the memory... but I have no idea about how to load it into an OpenGL texture that I can use to texture a cube. I have literally spent …  |
| | Write a program that counts number of words in a sentence and displays the average number of letters in each word. Your program should ask the user to type a sentence (or sentences) that are 80 characters or less. If the sentence is longer than 80 characters, truncate it and … |
| | I'm doing a program that is supposed to reverse a string entered my the user using a recursive function, I almost have it solved except for one little elusive bug that I can not understand. [CODE] //****************************************************************************** //Programer: Kyle Willett //Course: CS-1513 //Program: 3 exercise 7 page 933. //Purpose: Reverse … |
| | Hello! I have coded a compression technique and I am having trouble in measuring the speed of it. I tried to generate log of start time and end time, but compression time of same file varies a lot under windows. That may be happening because other processes would be consuming … |
| | So wrote this code all in main and it worked then tried to put it into function, per assignment, and i'm getting three errors both in the last function where I call the previous functions to print. [CODE]#include <iostream> #include <fstream> #include <iomanip> #include <string> using namespace std; ifstream infile; … |
| | Hello all, The program I am working on is calculation of areas (of shapes). For example, for triangle area calcuation I have: [CODE] else if (character == 't') { double b,h; cout << "Enter base: "; cin >> b; cout << "Enter height: "; cin >> h; area= h * … |
| | Hello everyone. I've recently written a program which draws some stuff to a DC; however, on a screen invalidation, the things drawn on the DC, dissapear (get erased.) Does anyone know how one would be able to draw to this dc, and have whatever was drawn to the dc remain … |
| | I managed to get a quicksort function to sort the numbers in a dynamically allocated array of structs, [code]struct Contact { char first[maxstring]; char second[maxstring]; int number; }; //and the dynamically allocated array, Contact *person = new Contact[numberofcontacts]; //The quicksort function I used to sort numbers is: void Quicksortnumber(Contact *person, … |
| | So, I'm trying to write this program here are the listen instructions. 1. You are going to write a program that uses 3 input files and 3 output files 2. your program will include a function template that sorts an array of values in ascending order. the function will receive … |
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