49,765 Topics
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| | I am trying to write a simple "Hello World" to the console. I created an empty C++ project in Visual C++ 2008, and added this one file: [code=cplusplus] // main.cpp using namespace System; int main () { Console::WriteLine("Hello World"); return 0; } [/code] I get this error: [code] Error 1 … |
| | I am trying to learn Visual C++, particularly the GUI components, so I tried to make a simple program where a button is displayed to a frame and when the button is pressed, a cout statement is invoked which displays a message to the console saying that the button has … |
 | I'm trying to pass string as filename. I wonder if there is some smart function checking every character of string if it's alphanumeric, or belongs to group of few other character specified? Loop on every string character seems not very efficient for this. Any ideas? |
| | i am writing a code for a stack within stack...or nested stack...whatever.. in the code..and the mainstack is a stack of substack, which in turn, is a stack of integer data.. i thought of using class template for both the stacks - mainstack and substack..but am confused with how to … |
| | Guys I have this terrible problem, damn its a long story and the code is too much and the worst part is it doesnt show a thing, I have two structs and two data files, They both have the same primary key and somewhere along the way I have to …  |
| | I have a function that recives as one of the parameters a function pointer. If i want to pass a class method as that function, how do I do it? I tryed like this: [code] class C { public: SetVector( vector<UTF16> ); }; //function prototype void function( const string sToPlace, …  |
| | i understand how to create a socket and assign a port to a socket. But how can i make a for loop to auto assign 21 ports to it? need some helps!!! |
 | hi friends.. i got the below error while compiling a simple .cpp pgm in microsoft visual studio->vc++.. tht vcspawn.exe file is in Microsoft Visual Studio\Common\IDE\IDE98 folder.. can anyone tell me abt this problem?do i have any prob in installation?do i have to change any configuration/settings?.. Configuration: sc1 - Win32 Debug-------------------- … |
| | I need help immediately to solve the following question: can somebody suggest how to code the following? Write functions OpenFiles and MergeAndDisplay: OpenFiles syntax: ifstream *OpenFiles(char * const fileNames[], size_t count); Parameters: fileNames - a pointer to the first element in an array representing the names of text files to … |
| | I am creating a messagebox like this. What I wonder is how it is possible to make the "Second Row" to be "centered" in the messagebox ? [code] MessageBox::Show("This Is a Message on the first row \n Second Row"); [/code] |
| | All my communication using this delegate and function are great between forms, but this thread for receiving compiles and all, but then throws this error. I have posted the important sections of my code. If you think I need more, let me know. Thanks. I am getting a Cross thread …  |
| | I am wwondering when is best practice to use pointer. [CODE]class Pen{ .... }; int main(int argc, char *argv[]){ Pen myPen; Pen *myPen = new Pen; } [/CODE] These are 2 ways to create myPen object. But what's the main diff between them? When to use it as pointer and … |
| | Hi, Please let me know if anybody knows that how to get schema information of a table (e.g. columns name,data type, key columns.. etc) using c++.I don't want to use system tables query and things like that.I was searching on the net and found CIndexes and other classes but not … |
| | [code] //pg 368 #1 /* void initialize (double& h, double& r) { h=0; r=0; } void getHoursRate (double& h, double& r) { cout<<"please enter how many hours you worked. "; cin>>h; cout<<endl; cout<<"please enter your rate. "; cin>>r; cout<<endl; } double paycheck (double h, double r) { double overTime, finalAmount=0, … |
| | hi how to make a vc++ application run inside a web browser is there any possible ways to work the vc++ application inside the browser as if we are browsing plese provide me information and assistance for the above question  |
| | I am just posting in the hopes that somenone can explain a problem I seem to be having with Turbo C++. My application basically has two forms (Form1 and Form2). Form1 is the main form and Form2 is created dynamically, as the result of a button click event, from Form1 … |
| | hey I want to input a string that contain spaces such as "My name is Shankhs"; i initialized a string str; then cin>>str; but str is not taking words after spaces as if spaces are acting as a delimiter... i tried gets,getline but they does not seem to work for … |
| | Hi, Could anyone please check my sample code? I am a beginner in C++. This code is for file comparison. Whenever I run it, the compiling result is always "Usage: compiles <file1> <file2>". I think something is wrong. Please give me some suggestions how to go through the code. Best … |
| | i am writing a code for a stack within stack...or nested stack...whatever.. in the code..and the mainstack is a stack of substack, which in turn, is a stack of integer data.. i thought of using class template for both the stacks - mainstack and substack..but am confused with how to … |
| | Hi, I need solution to this immediately. Can somebdy suggest what needs to be done in the following program: Write functions OpenFile and DisplayColumns: OpenFile syntax: void OpenFile(const char *fileName, ifstream &inFile); Parameters: fileName - a pointer to the name of the file to be opened inFile - a reference … |
| | The problem is with this line inCustomerDetails[i].getCustomerProduct(productName, productID, unitCost, quantityPurchased, x); data.txt 5 Angie Ang S1234567 Y 4 Choco P0001 5.50 2 Rice P0002 10.00 1 Bread P0003 2.00 1 Chicken P0004 7.50 1 program code [code=cplusplus] #include <iostream> #include <fstream> #include <string> #include <algorithm> using namespace std; class Product … |
| | I'm having a little trouble with some code. I'm writing a library management program. I need to be able to input title, author, isbn, etc. in the program. When the program asks for the isbn it behaves as expected. When I enter any words the program terminates, but if I … |
| | I need to make a program that outputs a random number between 1 and 10 every half of a second. Right now i dont know how to generate random numbers or use a timer so i need lots of helf here. |
| | I am having a problem trying to divide a number. So in my in my program I have a number and I want it to divide it by 10. The problem is that the result is going to be decimal. I run my program I put the number it divdes … |
| | I want to delete a Folder that consist of .txt Files. I am trying with this code below but the member :: Delete says that it only can emty an emty folder but this folder contains .txt files. So I wonder what other technique could be used ? [code] System::IO::Directory::Delete( … |
| | I need help with a RetailStore class. The class is supposed to do this Design and implement a class named RetailStore that holds data about an item in a retail store. The class should have the following private data members: 1. name - a string that holds the name of … |
| | I am wondering if there is a way to read an audio file to determine when the beat is greater than a given Hz? Such as every time the bass drum hits it will tell me. I do not have any code yet, I know how to play a simple … |
| | This code Gets the last Write Time from a .txt file. My Question here. [B]1.[/B] When doing that operation. Will this file be opened or is the file closed ? [B]2. [/B]If the file was opened will the file Close automatically after the Check ? [code] CurrentSourceTime = System::IO::File::GetLastWriteTime(SourcePath); [/code] … |
| | im a beginer in C and im writing a program that ables the user to repeatedly enter positive and integers, until the user enters a value <=0. Then prints the min and max value entered. I wrote the program but for some reason the min and max functions that i … |
| | okay I need to write a program that will basically be pulling strings from a text file based on what the user inputs. I can make a program run that gets the text file to input to the screen but I am having trouble with jumping around the file. example: … |
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