49,757 Topics
 | |
| | I was wondering if [CODE] *pntr.age = 19;[/CODE] is valid considering that pntr is a pointer to an object that has age as a varible. If it is valid, can it be used with an array of pointers to objects? if yes can i get an example please? thank you. |
| | I haven't ran it for a while now and now I need to register it BUT the link it has to register doesn't load anymore...the site loads but all I get is a stupid loading animation for the product key. it's been going for 20 minutes now. I've tried multiple …  |
| | I guess I am really having trouble with what's inside the function How do I get it out.. Suppose I ask a yes or no question and if the answer is no then break if the answer is yes then compute that formula. okay [CODE] int ThingYesNo; doubleThingHeight do { … |
| | Hello i am new here i liked this community: I have a c++ homework could you check it if it is correct? 1. Rewrite the following loop so it uses pointer notation (with the indirection operator) instead of the subscript notation: [code] for (int x = 0; x < 100; … |
| | i don know about class n pointers,can u explain it with essy examples please  |
| | I have GradeBook.h that include class interface, GradeBook.cpp that include class implemantation, I want to make a lib file and use it with GradeBook.h on the other project. How can I do that ? I am using Windows 7, VS 2008 |
| | I am getting the error error C4716: 'ReStart' : must return a value can anyone help? thanks [code]int ReStart(int id);[/code] [code]PushButtonAdd("Transparent",90,300,ReStart,11);[/code] |
| | When I want to save result to file I use ofstream, right? [CODE]ofstream myout; myout.open (sav_fl, fstream::app); [/CODE] But depending on the "ol" value(=user input), I want to show it to screen not to file. How can I do? I thought this way. But error message shown up. [CODE]if (ol … |
| | Hello. I need some help with a project of mine and the thing is that I have the class organisms that has two sub-classes: animals and plants. Animals has two subclasses itself: Carnivores and Herbivores. I have succeded in including the plants header file or cornivores header file or herbivores … |
| | hi im working with opengl/sdl and im still new to it what im trying to do is to make a 2nd box or sprite that will follow the frist box ive made can anyone help me out here is some of the code i have [CODE]#include "sdl.h" #include "GL_Functions.h" #include …  |
| | Hey everyone, I have this assignment for my C++ class and I need to sort some data I have data in a file in this order: some 10 digit int -the account id some name -the account name some balance -the account balance basically I want to sort the data … |
| | Hi everyone! I've been working on this code for 2 days(got half of it from the web) [code] class name { string name1; public: name(string s) //set name { name1 = s; } string get() //get name { return name1; } }; // Define less than relative to name objects. … |
 | Hey, this is my first post here, glad to be here and learn from you guys! what i'm trying to do is this: I would like to enter 2 names and then hit a number from lets say 1 to 10, and i have the array Q1,Q2... etc. these should …  |
 | upon trying to save or view the code when I generate a dialog box in vs 2010 beta 2 I get a nice [URL="http://yfrog.com/jmdialogerrorp"]Little Error Box[/URL] That pop ups and prevents me from saving or editing the source at all leaving hours wasted making it in the first place. I … |
| | [CODE]LPCWSTR name; name += TEXT(".png");[/CODE] produces:'+=' : illegal, right operand has type 'const wchar_t [5]' I want to have .png appended to the name string. Anyone know how to fix it? |
| |  |
| | Hey, im Keith and im 15 years old. I like computers alot and im pretty good at making websites, so this year i signed up for computer science. Our teacher is teaching us how to wrote programs using C++ and i love it, but i was wondering, why are they … |
| | I am trying to convert this to Delphi, but I'm lost, please help [CODE=cpp]enum Error { Ok = 0, ErrorUnsupportedFunction, ErrorInvalidParamaters, ErrorInternal, ErrorUnknown = 0xffffffff }; typedef enum Error Error; Error __stdcall GetLastError() { typedef Error(__stdcall *FunctionType)(); FunctionType GetLastError = (FunctionType)GetProcAddress(GetModuleHandle(NULL), "GetLastError"); return GetLastError(); }[/CODE] |
| | Hey guys, I really do not know on how to start this loop logic structure. Can anyone give me a rough idea on how to go about it? The question is : Develop a solution to calculate a student's grade average for one semester. The letter grades should be entered … |
 | [code] /* * This program displays "I Love C++" to the Standard Output */ #include <iostream> int main () { std::cout << "I Love C++"; return 0; } [/code] I just DLed and Installed Cygwin and Netbeans using instructions from: [url]http://netbeans.org/community/releases/65/cpp-setup-instructions.html[/url] I did see that ths "type" of problem has … |
| | So here is my program: [code] #include <iostream> #include <string> #include <iomanip> using namespace std; int main() { string lotName, bidder1_ID, bidder2_ID; double reservePrice, bidder1_bid, bidder2_bid; cout << "Enter lot name: "; getline (cin, lotName); cout << "Enter a reserve price: cin >> reservePrice; cout << "Bidder #1, enter your … |
 | Assuming that a year has 365 days, write a class named DayOfYear that takes an integer representing a day of the year and translates it to a string consisting of the month followed by day of the month. For example, Day 2 would be January 2 Day 32 would be … |
| | this is the program // file: am00201.cpp // author: a.montes de oca #include <iostream> using namespace std; int main() { int a[16] = {67, 111, 110, 103, 114, 97, 116, 117, 108, 97, 116, 105, 111, 110, 115, 33}; int i; char letter; i = 0; while (i < 16) … |
| | [CODE]#include <fstream> #include <iostream> #include <cassert> using namespace std; int main() { ifstream inFile; ofstream outFile; inFile.open("file.txt"); assert(!inFile.fail()); cout << "everythings fine" << endl; cin.ignore(); cin.get(); return 0; }[/CODE] This is my current code, file.txt doesnt exist. The program simply crashes. I was hoping for an error message explaining what …  |
| | Help me to find the error in Prim code, thanks. [CODE] #include <iostream.h> #include <stdio.h> #define MAX 10 class prims { private: int cost[MAX][MAX], tree[MAX][MAX]; int n; public: void readmatrix(); int spanningtree (int src); void display (int cost); }; void prims :: readmatrix() { int i, j, k; n = … |
| | Hello. I'm a newbie and i was wondering if anyone can tell me how to create an array that contains objects and number 0 wherever there is no object. Thanks in advance  |
| | Hello everyone, I am a C++ newbie and I am running into some linking errors. I am using Vi to compile and link my code. Here are the linking errors: assign6.o: In function `cAccountList::cAccountList()': assign6.cpp:(.text+0x1db): undefined reference to `cAccount::cAccount()' assign6.o: In function `cAccountList::cAccountList()': assign6.cpp:(.text+0x22b): undefined reference to `cAccount::cAccount()' assign6.o: In … |
| | Hey everyone I am writing some code for my c++ class and in this program I am trying to sort back account information by there accountID #'s. When I try to compile, here are the errors I get: assign6.cpp: In member function ‘void cAccountList::sort_by_ID()’: assign6.cpp:110: error: ‘accountID’ was not declared …  |
| | [code] int do_openFile(void) { char *p ; /* pointer to outFileName */ char *m ; /* pointer to report date */ char *mon; /* month number in report date */ /* get output file name */ m = pk->CNCRptdate; m += 2; strncpy(mon, m, 2); p = outFileName ; strcpy(p, … |
| | I would like that case 1: should display how many elements do i want, and that i can assign values to those elements. Mine because of the j++ goes infinite, so i can enter infinite values to infinite arrays. How could i do this? Cate elemente vrei sa adaugi: 3 … |
The End.