51,593 Topics
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| | This is the first program that i've written myself, i've been using one of those learn C++ in 21 days books and links from daniweb to learn. Using daniweb is a whole lot less boring than reading that crappy book. I'm just looking for a review, some advice, anything about …  |
| | I have a class called Thing that defines vector<string> stuff. I have no problem declaring anything I want inside "class Thing" itself or functions from it, like "void Thing::bob" works fine. My problem is when I inherit this class. For some reason I get my program terminated. pseudocode: [CODE]Class Thing …  |
| | [code] int shutdown() { int time; int hmm; string name2file; string name; string nametofile; string name2; ofstream file; ofstream file2; cout << "\nHow long do you want to wait till shutdown?(in seconds)\n"; cin >> time; cout << "What would you like to name the batch file?\n"; getline(cin,name); name2file = name …  |
| | Hey, I decided I should probably read a book to learn about C++ considering there are so many and etc :P. My parents said they would buy it for me, but I just wanna make sure it is gunna actually be a book that will teach me alot and hopefully … |
| | [code=cplusplus] #include <iostream> using namespace std; const int capacity = 20; string tax_payers[capacity] = {"jane", "tom", "jerry", "joe", "annie", "mary", "kate", "steve", "sarah", "paul", "petra", "peter","elaine", "noreen", "sean", "niamh", "donal", "john", "marie", "colin"}; double income[capacity] = {21000.0, 16500.0, 120000.0, 16000.0, 38000.0, 62500.0, 14500.0, 28500.0, 13500.0, 27500.0, 15000.0, 44000.0, 18000.0, 21000.0, … |
| | I am using Visual C++ 2005 (native C++) For the following code, the different of main function 1 and main function 2 is main function 1 using }catch(MyException &e){ but main function 2 using }catch(MyException e){ Which is more correct? if both are correct, which is better? [CODE]//========This is MyException.h===== … |
| | So I got such exercise: You have array of 1000 elements they all are random numbers from 1 to 1000 and there is only one duplicate number. You can access each array member only once, can you find duplicate value? And you can't create another array. You can create some …  |
| | Hi I am using Dev Cpp for dos programming. I want to know how we can add classic style user interface to programs. The interface like in which we control the menus etc. through arrow keys not mouse. The interface like when we press F2 button at the start of … |
| | Question is : Write a function [code=c++] int f(char* str, long pattern) [/code] to find out how many pattern does the str contain? str is a char array consist of '1' and '0'; for example: str = "11010101110101011110100011001" ,pattern = 110; My solution is change pattern and str to std::string, … |
| | I have written a program in which there is a board and the balls should travel from one place to another.i need to provide a delay when i draw the ball in new position and erase it from previous position.I used delay() funtion on turbo c++.but on gcc compiler on … |
| | m an comp engineering student doin my second yr and i m in serious need of any ideas/views regarding a miniproject i hve promised to do to the headmaster :-/ ........so wat so ever thoughts/practical proj....or (any project website links ) ideas u ppl hve can u jst share it … |
 | I've been interested in working with mouse input in Visual Studio using C++. I'm curious what steps need to be taken to do this. I'm assuming some sort of Windows header file needs to be included, but I have never seen any code for such things. Basically I want to …  |
| | Hi guys!I'm in great need and embarassment.I'm new to the C++ program and to be frank I'm having a hard time understanding it. Now our topic is about linked list and my professor gave us this machine problems: 1. Write a program that implements a linked list using an array.Your … |
| | Hi, Some time ago I saw a topic with assignments for different type of knowledge - newbie, beginner, advanced etc. and I tried to look up, but didn't find. Is there any topic, or website with these kind of things, just without tutorial how to do it? Thanks for help. |
| | Hello guys :) I hope all are alright ;) I'm using HashTable to make a program that reads a string from a file.. when I run it, it gives me the message of error (Don't Send) << I guess all of you know this message.. this is my code [CODE] … |
| | I want to increase the number of characters the user enters as the text (refer line 1410 of cpp file). I want it to be infinite, if possible. Tks. |
 | Hello everyone, I am having a problem with a function I am working on. It has to do the following: [quote]Outputs the null-terminated string pointed to by s starting at row row and column column, in a field of length characters. As with dtioCursor(), the row value 0 refers to … |
| | Hello, everyone. I've got a compiler error popping up for this class: [code] #include <iostream> #include <string> class Stage { private: string var; public: Stage(); Stage(int num_of_items); }; [/code] The error is: error C2146: syntax error : missing ';' before identifier 'var' The funny thing is that if I remove … |
| | Hi there, My son has been recently hospitalized after getting into an accident. Now I am trying to help him with some of his projects. Right now I am stuck on this recursion problem. We need to figure out how to form a diamond shape out of `*'s` using a …  |
 | I have installed visual c++ 2008 few days ago. I want to create a file open it, display contents, modify them and search them but i dont know specific codes. I have used turbo c++ earlier. Please specify the codes if possible. Thanx............;) |
| | Now that I have working program starter, are there any simple methods of filling in the info to it? I just have the base of it set up and I am not sure how to set up the self-typer. If there are any tutorials made for handling things like this … |
| | I am trying to create a simple program that starts up steam from my computer. I have a shortcut on my desktop of steam and when you double click it, it runs the process "steam.exe" When my program executes the line of code "system("start steam.exe")" I get an error saying … |
| | Hi, I'm a new C++ programming student and we just learned about classes and objects. I completed the assignment but had a question about doing something extra with my code. The instructions given for the problem were: To use the formula for a straight line (i.e. Ax + By + …  |
| | I wonder how it is possilbe to access the first listitem in the listView. I know that each item has an index like the listBox Control and that you could access them with the member ->SelectedIndices but when writing the code below, the compiler says: [I]'==' : no conversion from … |
| | the program below is what i have...it compiles and runs but the problem is when it runs it asks Enter the number of employees which is fine but then it asks Enter days missed which is also find but it should calculate the average days missed but it keeps returning … |
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| | I must do my lab but I can't do please help me how can i find the my lab? That's my lab:Aim of this assignment to implement “infix to postfix statement conversion” as a console application in C++ language and use “Stack” data structure during implementation. Your implementation must be …  |
| | Friends can you please tell me how can i send object of a class over a network to the client?? |
| | Can someone tell me how to add a static library file to a project in visual studio 2007.  |
| | Hello, I'm new to this forum and have a brief knowledge of C++. I made this program to ask the user for a word and make it so the word would not be allowed any "i's". I completed the task just my code looks a bit to much I think. … |
| | I am using the winsock component in vs2005. I have tried sending and recieving strings. The event of data arriving triggers and runs the following code... [CODE]private: System::Void WinSockControl_DataArrival(System::Object^ sender, AxMSWinsockLib::DMSWinsockControlEvents_DataArrivalEvent^ e) { System::String^ messageBuf = ""; this->WinSockControl->GetData(messageBuf); int i = this->WinSockControl->BytesReceived; }[/CODE] This gets run so the data is … |
| | Hi, I need the drawbacks of procedural programming language with good program to explain if any body know best example please send it. I also need the best examples to describe object and class. Please its urgent regards, Samba |
| | HI, I have been wondering how to make a program with the XP style buttons, edit boxes, etc. in it. I have made a GUI, but it's ugly. How can I make the controls look like the ones on say, a windows property sheet or something like that? I have … |
| | Hello everyone! I have built a digital table with a pencil (like a wacom) and I'm doing my own drivers. He managed to move the mouse through the following simple code [Visual C + + in XP]: [CODE] // press detected INPUT aInput; aInput.type = INPUT_MOUSE; aInput.mi.dwFlags = MOUSEEVENTF_LEFTDOWN | … |
| | I got some ploblem when i was doing smth here are the codes: // Wallhack.cpp : Defines the exported functions for the DLL application. // [code=cplusplus] #include "stdafx.h" /*creds to me,Roverturbo,Azorbix,Frit0 ,unreal*/ #include <windows.h> #include <detours.h> #include <d3d8.h> #include <d3dx8.h> #include "log.h" #include <fstream> #include <iostream> #pragma comment(lib, "d3dx8.lib") #pragma … |
| | Hi all. I need to read a .txt document with my c++ program. My .txt is data that I take from a GPS and it has different kind of data i.e. <timeStamp> <status> <latitude> <longitude> <altitude> <numSatellites> <HDOP> <X> <Y> <Z> <X2D> <Y2D> <Xdiff3D-2D> <Ydiff3D-2D> <NMEA_GGAstring><CR> and the information is … |
| | Hello, I have a question. i have to write a program that cvalculates the average number of days a company's employees are absent. The program should have the following functions: A functcion called by main that asks teh user for the number of employees in the company. this value should … |
| | I have written the below code to create a modaless dialog.what to do to view the dialog?it just blinks and goes away... [code]combodlg cd= new combodlg(this); cd.Create(IDD_DIALOG1, this); cd.ShowWindow(SW_SHOW);[/code] |
| | Hi :) I have a question, if you don't mind =] (What is the situation where quadratic probing is better than chaining?) I guess (as I'm thinking) while searching? maybe? because if the Hashtable have a lot of elements in chaining it'll take a lot of time searching the Hashtable … |
| | Dear All, Write the pseudo code for inserting a node in threaded binary tree. You code should describe how you will, 1. Set right and left child node pointers during insertion 2. Set right and left flags during insertion. Kindly guide me . |
| | I have seen SubclassDlgItem() at [url]http://functionx.com/visualc/controls/bmpbtn.htm[/url] It mentioned "The suggestion is to "subclass" your button class so the messages sent to the bitmap button would be applied effectively." I am not very clear with this statement...thus I go and find msdn [url]http://msdn.microsoft.com/en-us/library/0wx11zk9(VS.80).aspx[/url] but still not very clear. My question is … |
| | Alright, the code im working on looks like this: [code] ... cin >> x; cout << ":"; cin >> y; ... [/code] and everything works fine, however when the user presses enter, it starts a new line, which ends up making everything looks wierd. Is there any way so that … |
| | Hi, guys I need good program in procedural programming language which shows there is no importance to the data It should explain the exact drawback of the procedural programming language |
| | Hi… I want to use graphics and I don’t know how. All want is few lines… |
| | I have seen a lot of type LPSTR(and other like LPCSTR, etc) when coding using MFC. I just know it is equivalent to char*, but what LPSTR exactly is? (ie, is it a native type in C++, or a macro in C++, or a typedef in C++, or...) |
| | Hi, probably a stupid question, but I haven't been able to find anything. Is there a istream related function that let me read exactly one keystroke from the keyboard through cin? What I need it to do is this: - remove all characters currently in the input buffer - block … |
| | well i wanted to see if i could make a secruity program i got it set up but i wanted to make it restart the computer if the wrong passwords entered im using dev C++ please can you help  |
| | I am trying to create a simple database. Here is the code: [code=C++] #include <iostream> #include <fstream> #include "conio.h" #include <string> using namespace std; struct Station{ string url; string name; string genre; }temp; char userInput; string output; int fileSize; string searchParameter; int index; int results[1000]; int j;//temporary storage for a … |
| | I am making a c++ program and i need a function that does the following: IF u have an n (e.g: 4) digit number (IN THE FORM OF AN ARRAY) , each digit can take the vlaue from 0 to m (e.g: 5) and can exist more than once in … |
| | I get this error in the following code [code] //Error... error C2679: binary '>>' : no operator found which takes a right-hand operand of type 'int' (or there is no acceptable conversion) void Menu::readDates(istream& in, Date& dates) { in >> dates.getDay() >> dates.getMonth() >> dates.getYear(); } [/code] Thought '>>' can … |
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