51,593 Topics
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| | Hello, Once more, I'm having a problem which I've been breaking my head about for a few hours searching Google to no avail, and came here again for some consult about. The thing is this; I have an image file, the size of 16x16 pixels, and I want to paint …  |
| | Hi Everone, I need Help With My code If there is any mistake Please Let me Know I will correct it it is a ping program it will ping an ip address or an address like [url]www.daniweb.com[/url] [CODE]#include <windows.h> #include <iostream> #include <conio.h> using namespace std; int main() { int …  |
| | Hi, As said in the title, the program needs to accept only integer values.. It should not accept float point numbers or characters or spaces or integers mixed with characters .. I know it has to do something with the while statement but i cant figure it out .. Your …  |
| | I do not know if I should use a 2D or just two seperate arrays to make this easier. I have two arrays. One is just an array like {1,2,3,4...n} and the other has values that correspond to those and make pairs. I want to create an array that stores … |
| | Hi guys, I am new to C++ and am trying to display the contents of an array in the form of {1,2,3,4} but am having some difficulties, they get printed but there is a trailing comma {1,2,3,4,}....how can I get rid of this? this is my code: [CODE]cout << "\nArray: …  |
| | hi is there anybody that can help on Havok Physics engine. I want to implement havoks physics into a racing game, at the moment iam keeping it very basic , havok aside i have my car model with joining wheel nodes and body node and a floor for it to … |
| | Hi Iam running into a problem when using classes and inheritance. I have a base class which contains a member function whos job it is to create and intialize some variables that are shared between other classes. The other classes are inherited from the base class and the variables are …  |
| | The code works, I just want to see if someone can help me cut lines in main only. [CODE]#include <iostream> #include <sstream> #include <windows.h> #include <time.h> #include <string> using namespace std; struct tm * timeinfo; // Holds information about time in form of struct class Date { public: int m_nMonth; … |
| | I need a c++ coding that can compress a file  |
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| | Hi, i have: [CODE]string letter; cout << ">Please enter a letter: \n>"; getline(cin, letter);[/CODE] What i am trying to work out is how to restrict the user for only entering one letter - has to use a string due to being used in a function later which only takes a … |
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| | This is giving me a segmentation fault in the noBucket() function. I don't see why. Does it having something to do with it being a const function? My other accessor functions are working fine and they are declared exactly the same with just a different name. The files are longer … |
| | I have a vector that with your help I succeeded to make it work just fine. Now I want to make the same vector to work with float values but just doesn't want to make me the mathematics with float numbers. Is adding only the integers and not the float … |
 | Hey all. I'm trying to learn stack operations and so far, I believe I've gotten push() and pop() down. I seem to be stuck on copy, however. I cannot get a check for empty to work correctly. [CODE] typedef struct _node { payload data; struct _node *prev; } node; int … |
| | So i'm not looking for anyone to give me code on how to do this. I would just like a tip or two. I have a .txt file with a deck of cards in it saved into a card struct like : [CODE]struct card { char suit; char value; };[/CODE] … |
| | i want to make some graphical programs in DEV C++,plz name some libraries of DEV C++ for making graphical libraries???? |
| | [CODE]class A { public: int a; A() : a(100) { } }; class B : public A { public: int b; B() : b(200){ } }; int main() { A a; B *ptrB =(B*)&a; cout<<ptrB->b<<endl; // Is there a way to get this to print 200?? }[/CODE] |
| | [QUOTE] I'm having trouble getting the player's name and score to display as well as the average score. I have been at this for about 3 hours. I think it's time for a fresh set of eyes. Can someone please help?! This assignment is due tomorrow. Thanks [/QUOTE] [CODE]#include <iostream> … |
| | Im in dire help of needing to do the following: 1. Write a function which will take a grade as an argument and validate it for domain (in a valid range). Return true if valid, false if not. 2. Write a function which will take a grade as an argument …  |
| | In my program that uses separate compilation, the only problem I have left is a linker error. To see if it was just a syntax error somewhere obscure, I made a simple "hello world" program that uses separate compilation. I get the same error. The code is below. If someone … |
| | hey guys,I'm soo beginner in C++ :$ .could you please explain logic of the loop [CODE]#include <iostream> using namespace std; int main() { int x = 0, p = 5; while(x < p) { for(int i = 0; i < x; i++) { cout << "+"; } cout << "\n"; … |
| | I think the code comments show what is needed. Essentially, I just need to spit out the members name and score who are below the average score in the list. [CODE] void displayLowScore(struct payload *arrayStart , //first element of array struct payload *arrayEnd ) //last element of array { int … |
| | I have this assignment for school due tonight but I can't figure out the two errors causing problems for me. I've asked my class, I've asked twice on yahoo answers and I still don't understand what to change. If someone can please show me the exact changes that need to … |
| | I have a vector defined like this: [CODE] #include<iostream> #include<vector> using namespace std; typedef vector<int> VECTORINT; int main() { VECTORINT Vectorul; int x; int num; int y; cin>>num; //the number of numbers that must be entered for(int i = 0; i<num; i++){cin>>x; Vectorul.push_back(x); for(int i=0; i<Vectorul.size(); i++) cout<<Vectorul[i]<<endl; } system("pause"); … |
| | Hi, well I have written something that compiles and runs fine with a different compiler, but when trying to use a g++ compiler, I get errors when compiling in a unix environment. Here is the command line I have used: [CODE]g++ Agent.h Agent.cpp Driver.C g++: Compilation of header file requested. … |
| | Hi, I have to write a code which should allow to append and item to a list. That is FIFO Logic, First In First Out, but I cannot think of anything of that kind actually. I mean, I should run the list until the last pointer, and then make it … |
 | Hi there, I am doing an exercise from a c++ book, but I get few errors that I can't seem to be able to fix, and I am not quite sure why. The exercise goes:" In a right triangle with dimensions side1, side2 and hypotenuse, find all Pythagorean triples for … |
| | Hey everytime I run this it outputs the else of neither no matter what I enter. And I checked my conditions and the logic seems right but maybe I'm wrong. Help please! [CODE]#include <iostream> #include <cmath> using namespace std; int main(){ int n1, n2, n3; cout<<"Enter the three sides of … |
| | [CODE] int findWord(char ma[][iSize], char ca[],int iRing,int& X, int& Y){ int ring=0,i=0,j=0,x=0,y=0,k=0,i2p=0, iLSide=0,iSSide=0; bool bOkay=true, bOver=false; ring = iRing--; iLSide=(iSize-(ring*2)); iSSide=(iSize-((ring*2)+3)); i2p=(iLSide*2)+(iSSide*2); x=y=i=ring; while(i>=ring && i<i2p && bOver==false){ j=i; switch(i){ // WHAT'S WRONG WITH THIS?!? WHY CAN'T I ASK A CASE MINOR OR EQUAL? case =< iLSide: x=ring; y=j; break; … |
| | Hey guys, I'm looking for some help in a project I'm undertaking. I have an AVR micro-controller sending data to my pc via the COM port. I want to write a c++ program, that will listen out for any data coming from the COM port and to write that to … |
| | im just curious on the purpose of pointers to pointers and when i would actually ever find the use of using one! thx |
| | hello guys, i want my code to display the raw image "texture.raw", and at the same time, display a flashing text exactly besides it in a seperate viewport or with some other way. Please help me with this, as this code doesnt do that, it just flashes the image and … |
| | I want to use Ncurses on Dev-Cpp but don't know how to install it. I have downloaded the ndk for it, any help? |
| | I am trying to finish this program that is due tonight. I have been working on it through out the week and thought I could figure out my errors with fresh eyes. I have got the number of errors down, but for some reason I keep getting errors like string … |
| | Hi guys, Does anyone know if it's possible to connect to the MYSQL database in wamp using C#. I basically want to take information from the COM port using C# and write it to the database. Any thoughts/tutorials/links would be greatly appreciated!  |
| | This may be a simple fix, but I have a class for a program that contains some member functions that manipulate a vector. The vector is a private member variable, and is filled from an array using a constructor. When I try to access the member functions to manipulate the … |
| | Hello! I am having some trouble with reading data for a list. If at the end of the file there is a new line character, this function reads the last set of data again, and then exits the loop. The addElem function works fine, I tested it separately. As there …  |
| | hi guys. i want a help on making directories in c++.i have used the code to declare and intilliaze the path name and folder name..but the probelem is that i want it to to ask from the user for the drive and folder name..i tried but i didnt get the … |
 | I have made a program using C++ Windows Form Applications and I don't want my program to run more than once. What is the code for this?  |
| | Hi guys, I am doing a project wherein i have to make an OpenGL animation and its a Sainsbury advertisement and it kinda sucks till now. Now i really need to add images, viewports and be more creative. Following is the code till now, (yeah laugh at it...it sucks more … |
| | Hi anybody do you know how to limit string that we input in the program ? LIKE THIS: Input Name: <-we can input only 5 characters |
| | Hello, there. I'm having trouble with the initialization of variable of type sem_t. I used this. [code=c++] sem_t example; example = NULL; if(example == NULL){ /* code here */ } [/code] I'm getting the error, "no match for operator ==". What value do you think I should place in the … |
 | hello there! I am new here on Daniweb. I couldn't find an article anywhere on google about moving text in C++. I have an idea but my problem is, I can't find a way to make my other output still. What I mean is: I don't know how to prevent … |
 | Hi there C /C++ experts... I have a confusion regarding the function free(void *) in C and [I]delete[/I] in C++. Suppose there is a pointer named p. In C++, we dynamically allocate memory for p to point at like this [CODE] p = new int [10]. [/CODE],then when we use … |
| | I just posted this broken. Here is the code that works. I was told there is 2 ways this can be written more efficient. I can't see it, can you? #include <iostream> #include <string> using namespace std; void daysOfChristmas (int days, char switcher, string b[12]){(days > 0 && switcher == … |
| | When writing a program that uses separate compilation (I have a header file, a .cpp file that declares all the member functions of the class in thee .h file, and an application file). I used a constructor to pass the contents of a dynamic array to a vector, but it … |
| | Note: I program in C++ Not C#. In visual studio 2010, Where u press release or debug, next to it has a box with win32.. How can I change it to x86.. I tried pressing New and edit and stuff and configuration manager but it doesnt have the x86 choice... … |
| | Hi, I'd like to have a for condition with two interrupting conditions: [CODE] for(temp=hl;temp!=NULL,bOver1==true; temp=temp->next){ bOver=false; int I=0; while(bOver==false){ if(cu.Chars('S')[I]>temp->custs.Chars('S')[I]){ bOver=true; prev=temp; }else if(cu.Chars('S')[I]<temp->custs.Chars('S')[I]){ //FOUND THE ONE GREATER: PREV STAYS THE ONE BEFORE AND LOOP MUST END HERE! bOver=true; bOver1=true; } i++; } } [/CODE] This is a part of … |
| | I am writing a application for Arch Linux, actually I already wrote it, but I wanted to do it a little differently then the other. The origional one uses the goto statement. Here is the code: [CODE]#include <iostream> #include <string> using namespace std; int main() { cout << "\tAurDown v2.1\n" … |
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