51,593 Topics
 | |
| | Hi all new to this forum, just thought i'd post in here because i am having a bit of trouble with an assignment... basically i have this class in a header file called Product.h... [CODE] class Product { private: int _id; unsigned int _price; public: }; [/CODE] I access this … |
| | :?: Is there any way, in Turbo C++, by which we can make the mouse disappear when it enters a certain area of the screen ? I have tried this but it doesnt seem to work completely.... ------------------------------------------------------------------------------------[code=c] void initmouse() { union REGS in,out; in.x.ax=0; int86(0x33,&in,&out); } void showmouse() { … |
| | Hi all I have a program, which I can do and in that program the user can enter information if he had missed to enter it in the required field and he must to be informed about this option. [CODE]//verification of the PIN Edit6->Text = ""; int digits[10]; AnsiString egn … |
| | how to write this in c++??? while (Q not empty) { u = deleteMin (Q) for each v adjacent to u if (v is in Q and w(u; v) < key[v]) { key[v] = w(u; v); //decrease key T[v] = u; }} |
| | I have a problem, whenever I attempt to use the following expression it returns -3. Can you please explain why this is? [CODE] int level = ((RoD * 10) - 50) / 15; std::cout << "Level = " << level << std::endl; [/CODE]  |
| | Hi, I have a basic understanding of C++ and was creating something myself with a class of 6 integers and a string what I want to do is to be able to find the mode values for each of the six integers and strings I have instantiated a set of …  |
| | hey im using vc++ clr to build my application...im using the datagridview, but im having some problems with it because its quite poorly documented in C++..i want to know a couple of things. 1... how to change the color and text of a single row header cell as well as …  |
| | I'm looking at developing programs that run on the desktop, cloud (ie. web app), and other devices. I'm looking at how I can code this in C++ and be able to communicate to a server and/or to the client's computer. Is this even possible and do I need the server … |
| | hey i wanna make C++ program that makes music files but i don't want to use the beep function because that's to simple..and as far as i know doesnt save as a music file....i've looked at csound but that looks a bit to tricky..can u suggest any library's that have … |
| | |
 | I have been teaching myself algorithms and I am stuck with the AlphaBeta AI algorithm. I want to test my knowledge of it with a TicTacToe simulation. The thing is I want it to be easy to modify for any two player game and I cannot figure out how to … |
| | i`ve done a few codes and i compile it so that i can review it but it got stuck when i want to assign a room. i dont know why.. can someone please help me to fix this please...[CODE]#include <iostream> #include <vector> #include <cstdlib> #include <set> #include <algorithm> #include <string> … |
| | please help new to c++ programming in this program am trying to input 5 students information and get there output but i got wired error {illegal structure operation} [B]please help [/B] #include <iostream.h> #include <conio.h> struct student { int no; char name[20]; float degree; }; void main() { student s; … |
| | Can someone please tell me what is the event that is triggered when a user clicks on the + sign in C# TreeView? To elaborate more, here is my problem. I have a tree view that is populated at the time of Form_Load. Then the user can expand/collapse/select etc with … |
| | This is the program I wrote for my CS project. Compiler is TurboC++. I initially added a lot of garbage code in it and am having a hard time cleaning it up. Can you guys please suggest improvements in the code below. Thanks in advance. [CODE] //STUDENT MANAGEMENT #include<conio.h> #include<fstream.h> … |
 | I know there is an "assignable and copy constructable" requirement for objects in an STL container. For example, you cannot place an object with a const member into a vector. [code] #include <vector> // /home/doriad/Test/Test.cxx:3:8: error: non-static const member ‘const int MyClass::x’, can’t use default assignment operator // struct MyClass …  |
| | Recently I started working with game development and I came with a problem, when I started working with this SDL_image.h library and I can not understand why the program, does not display the image, screen just flashes and disappears, I can't figure out what's the problem. I am using Microsoft … |
| | If I want to expose an iterator to a class member container, I can do so like this: [code] class PatchCollection { public: // Iterator interface typedef std::set<Patch>::iterator iterator; typedef std::set<Patch>::const_iterator const_iterator; iterator begin() { return SourcePatches.begin(); } iterator end() { return SourcePatches.end(); } private: std::set<Patch> Patches; }; [/code] However, … |
| | Hi everybody, I am learning c++ and i want to develop GUI applications Is Directx efficient for GUI apps ? Not games, just gui software. thanks |
| | I'm having trouble finding how to write to a C++ WinAPI TextEdit control programatically. Here is my code for the TextEdit control: [CODE] case WM_CREATE: { OutputBox = CreateWindowEx(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | WS_VISIBLE | WS_VSCROLL | ES_MULTILINE | ES_AUTOVSCROLL, 10, 90, 410, 235, hwnd, (HMENU)OUTPUTBOX, g_hInst, NULL); break; } … |
| | Dear all, I'm a C++ beginner and I'm facing a problem with C++ program running on Dev C++ 4.9.9.2. The following program builds and compiles just fine however when I try to execute it it stops before getting any output. Actually the line causing the problem might be the "y_pos[][]" … |
| | I have a class called PatchCollection. It is in charge of creating a bunch of Patch objects. It stores them in a member variable of type std::set. Now I want to loop over all of the patches from outside the class. That is: [code] MyClass { PatchCollection Patches; void DoSomething() … |
| | OK, first off I have figured out the prime number algorithm...I guess. What I am needing help with, or wanting the answer to, is how to count how many primes are being displayed. To wit: Enter a Number: 10 There are 4 Primes. The Primes are: 7 5 3 2 … |
| | Hello guys , I am looking for a HTML parser in C/C++. I am trying to make a movie rater , which take name of movies from a folder and stores it in a file , then sort it according to their rating on net. So ,I am thinking to … |
| | Hey guys! I'm new to programming and C++ is my first programming language. I have studied books on the language but I know the real job is the application of what I have been studying. I am planning to do a project this semester that will help me to actually … |
| | Hey guys, I'm having this problem of trying to open shortcuts, i.e (.lnk) files and am also trying to open powerpoint slideshows (.pps) files through turbo c++. It didn't work so what i did was write a .bat file to open those programs and then converted that .bat file to … |
| | Hi everybody, i am new to c++ and wanna know why pointers are useful ? Why would i use them ? For what ? THANKS  |
| | guys i was working on the link list program and its is encountring a problem its says some thing like un handled exaption handling acess writing location error i have no idea howto over come it so i thought may be u guys might help me with it here is … |
| | Hi! I'm making a table. I originally have some names. [CODE] #include <iostream> #include <cstring> using namespace std; char passengerName[100][100]; void main() { strcpy(passengerName[1], "Peter Tam"); strcpy(passengerName[2], "David Morris"); strcpy(passengerName[3], "Susan Leung"); strcpy(passengerName[4], "Timothy Kin"); strcpy(passengerName[5], "Mary Poon"); strcpy(passengerName[6], "Pretty Godson"); strcpy(passengerName[7], "Tammy Leung"); strcpy(passengerName[8], "Hugh Boss"); strcpy(passengerName[9], "John Cheng"); … |
| | [CODE]// Sorting Techniques.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include<iostream> using namespace std; void Bubble(int x[],int n ){ int temp , j , pass; int flag=1 ; for(pass=1;pass<n-1 && flag==1;pass){ flag=0; for(j=0;j<n-pass-1;j++){ if(x[j]>x[j+1]){ flag =1; temp=x[j]; x[j]=x[j+1]; x[j+1]=temp; } } } } // Env\d … |
| | The aim is simple: Input a string from the user, input a word that is to be searched in the string, and return "Found" or "Not found" I have worked down the following code, and it works. [CODE]#include <iostream.h> #include <stdio.h> #include <string.h> void main () { char para[200], word[20]; … |
| | Hi everybody, i need your help choosing the best library for making GUI applications in c++ I dont want to use Visual c++. Please advise me. And where to download Qt ? Where to put the headers in order to use them ??? Note : I am using Netbeans with … |
| | Please Help: I need to connect access database through code in VC++ .6 and i've to read data from edit text and compare this value to the primary key of my database. if those are matched then i need to get all data from the database and i need to …  |
| | Can anyone explain me how to find a point on circumference. The data i have is radius and the coordinates of circle center. I tried to get it by using (x-a)^2+(y-b)^2= r^2 formula but i get stuck. I'm not asking for solution but for explanation.  |
| | Is it possible to make an array of doubles like a c-style string to make a bigger number? Or is an array of chars a special thing to a compiler? |
| | plz i have question that is statistical which is course that i still missed .. how i can make code for median , mean,strdDevition , mode else presented as class and object i will realy thanks for whom will help me ,, |
| | I'm new to C++, and I've been picking it up really well, but when it came to making my own function, I hit a problem. I've looked and I cant find the problem, its probably something really stupid but I cant find it. Heres the code, its really simple. I'll … |
| | Please Help: I need to connect access database through code in VC++ .6 and i've to read data from edit text and compare this value to the primary key of my database. if those are matched then i need to get all data from the database and i need to … |
| | is the following program correct for the title 1/1!+1/3!+1/5!+.....+1/n! [CODE]#include<iostream.h> #include<conio.h> class series { int i,n,sum,fact; public: void input() { cout<<"enter the number of terms"; cin>>n; } void processing() { if(n%2==0) { cout<<"the number is invalid"; } else { i=1,sum=0; while(i<=n) { sum+=(1/factorial(i);); i+2; } } } int factorial(int lim) … |
| | Hi I have written a c++ code. It works well frequently but sometimes I see strange errors especially about out file streams. For example, this time I dealt with this messages: 'GABC.exe': Loaded 'G:\GABC\Debug\GABC.exe', Symbols loaded. 'GABC.exe': Loaded 'C:\WINDOWS\system32\ntdll.dll' 'GABC.exe': Loaded 'C:\WINDOWS\system32\kernel32.dll' 'GABC.exe': Loaded 'C:\WINDOWS\WinSxS\x86_Microsoft.VC90.DebugCRT_1fc8b3b9a1e18e3b_9.0.21022.8_x-ww_597c3456\msvcp90d.dll', Symbols loaded. 'GABC.exe': Loaded 'C:\WINDOWS\WinSxS\x86_Microsoft.VC90.DebugCRT_1fc8b3b9a1e18e3b_9.0.21022.8_x-ww_597c3456\msvcr90d.dll', … |
| | Hi guys.. I need advice on writing function in a multi-threaded envionment Lets say I have a function which squares an integer. [CODE] int Square(int num) { // May do other things which might take long time to complete. return num*num; } [/CODE] This function is called in threads eg … |
| | hey , I'm a beginner & need some help in C++ , I want to generate 4 unique numbers " any number isnt repeated within itself " I figured a way to generate 4 random numbers but they arent unique [CODE]srand((unsigned)time(0)); int number= (rand()%9999+1000);[/CODE] , I also need to put … |
| | For some reason, when I do an output.put, it is not doing anything. [CODE]#include "stdafx.h" #include <fstream> #include <Windows.h> using namespace std; void main() { fstream input, output; int in1=0, in2=0, x=0, k=0, l=0, max=0; input.open("input.txt", ios::in); output.open("output.txt", ios::out); while(input.good()) { input>>in1; input>>in2; for(x=in1; x<in2; x++) { k=x; l=0; while(k!=1) … |
| | how would i stop a user from entering a letter when they should be entering a number? [CODE]#include <iostream> #include <cstdlib> #include <cstdio> #include <cstring> usin namespace std; int main(int nNumberofArgs, char* pszArgs[]) { char nAns; do{ int nPly1; int nPly2; int nPly3; int nPly4; int nPly5; int nPly6; int … |
| | Hey I have been kicking myself with this problem for a week now and i was wondering if anyone can help. I am implementing cURL to fetch source code from a website. I am using fairly common code to do so. If I implement the functionality in my main.cpp, it … |
| | plz... can anyone help me by giving code for calculating max error of u=(5xy^2)/z^3 |
| | I have been a histogram assignments to do in C++ although i kno how to do in Visual Basic. I have tried to do it in C++ but it seems ive missed out a few steps. below is what i have done so far, please correct me where am wrong. … |
| | Im Talken About The Basic (As in Simple not BASIC) DLL not Win32/OS/2 Kind. I Want The Dlls for the program to be in the 'bin' Directory thats is in the same folder as the .exe. Is there a simple (Not Moving Kansas) way to do this? |
| | can some please explain what are command line parameters ? i read many books, read online didn't understand anything on what they are and when or how to use them. :( |
| | hye..can somebody help me with these problems as soon as possible?? really need your guys help Create a phone book program that allows users to enter names and phone numbers of friends and acquaintances. Create a structure to hold contact information .The user should be able to add phone book … |
The End.