49,760 Topics
 | |
| | Does anyone know why I am getting an error on this line of code below? Thanks for you help in advance. [CODE] vector < vector < htNode<B> > > table; [/CODE] |
| | I believe this to be a simple problem. My program runs fine, but I cannot figure why the variable "final_grades" is not being passed to the function and output. alternatively, I may be calling to the function incorrectly. This is the first class that I have written, so it may … |
 | I have a C++/CLI form, and a native class in separate files. I include the header file of the native class at the top of the Form.h This causes the compiler to try to compile the constructor of the Form as a native function and spits out 100+ errors and …  |
| | Hello all, I am trying to debug some code that I have come across. It is an array based BST, and I can not figure out why the parent's are not being recorded correctly. Essentially the first few inserts work, and then the parents become incorrect. Can anyone give me …  |
| | i am writing a decryption program that reads a file from another project solution and decrypts it then writes it to a new file in its own project folder. For some reason when i try and read the file in the program says that file doesn't exist. Im pretty sure …  |
| | I'm very very new to c++.I'm truing to built a program to make new appointment etc. [CODE]#include <iostream> #include <vector> #include <string> using namespace std; class Appointment; class MyDate { private: string date; string hour; public: MyDate();//constructor xoris parametrous// void set_date(string _date) { date=_date; } void set_hour(string _hour) { hour=_hour; … |
| | Please can someone check that I have understood this part of the code for my game or advise a better way of showing this? [CODE] //-------------------------------- // DIFFICULTY //-------------------------------- void Difficulty() { Top_Border(); cout << "\n Choose computer difficulty level.\n" " (E)asy\n" " (A)verage\n" " (H)ard\n\n" " ? "; cin … |
| | Hi all during my implementation to tree data structure, I make a method which combine two trees in one tree and called it attach. I declared 3 trees t1,t2,t3. and then called method attach which will create new tree and put t1 in right and t2 in left and then … |
 | I have been reading the 'inside the c++ object model' by Lippman and one of the sections has me a little confused. It is the section where the author explains how virtual tables are created and virtual pointers assigned, in the scenario of multilevel, single inheritance. If anyone here has … |
| | Hi, i am writing a program that plays “guess what number I’m thinking of…” with you. User Inputs guesses and output whether the number is too low, too high, or right-on. I already wrote the program to have the user guess what number the computer is guessing; however, can anyone … |
| | I've created a program that will process a file in a certain manner. The processing works fine, the problem I'm having is to open files that has a " " (space) in their dir or filename. See I wanted to be able to use my program in a easy manner … |
| | Hi, I have a server running with a Form based managed C++ app. It initializes with: [code] try { listener = gcnew TcpListener(ipAddress, PORT_lock); listener->Start(); // Start listening for client requests. listener->BeginAcceptTcpClient(gcnew AsyncCallback(DoAcceptTcpClientCallback), listener); [/code] The callback funtion is defined as: [code] public: static void Form1::DoAcceptTcpClientCallback(IAsyncResult^ result) { try { … |
| | Hi, I have a stream server application written in C, that I need to incorporate in a GUI C++ managed new program, but I am having trouble finding the equivalent of the C sockets function calls. The C apps initialize this way: [code] /* * Init socket */ if ( … |
| | my program writes wasd123wasd123, but i dont know how to make it writing 1ws2aasd22ww. How to make random presser? Can someone help me? [CODE] #include <iostream> #include <windows.h> #include <stdlib.h> using namespace std; int main () { for(;;){ Sleep(1000); rand(); keybd_event(VkKeyScan('w'),0,0,0); Sleep(1000); rand(); keybd_event(VkKeyScan('a'),0,0,0); Sleep(1000); rand(); keybd_event(VkKeyScan('s'),0,0,0); Sleep(1000); rand(); keybd_event(VkKeyScan('d'),0,0,0); …  |
| | Hello World ! I want to move a rectangle from going one point to another point in openGl. I am reaching the position but movement is so fast when I execute the program..it already in reached state. how to add delay so that I can see moving rectangle. |
| | So the first part of this program is to pull int data from a .txt file and put them into an array and then output then on the screen, but it seems that the code I have will only display very odd numbers (i.e. -808459), I do not know where … |
| | A file filter reads an input file, transforms it in some way, and writes the results to an output file. Write an abstract file filter class that defines a pure virtual function for transforming a character. Create one subclass of your file filter class that performs encryption, another that transforms … |
| | i need a command in c++ to scan the first keystroke the user enters ....(i.e) user doesnt have to press <enter> key...i need to scan as soon as he types....please help...thanks in advance.... |
| | [CODE]// quote.cpp - Script 4.6 // We need the iostream file in order // to use out and cin. #include <iostream> // We need the string file // For the string functionality #include <string> // Start the main function. int main() { // Declare the necessary variables. std::string quote, speaker; … |
| | Hi guyzz !! I have tried scouting the internet but could not get a suitable explanation. Please tell me with an example as to what are bit arrays and what are their applications. Any help would be greatly appreciated. Thanks |
| | [CODE] list<int>* compare(){ list q; q.push_front(1); q.push_front(2); return &q; } [/CODE] this method returns a pointer to an empty list how can I do to return priority_queue contain 1,2. |
| | Hi, How do i write a vector class to manipulate vectors in 3D; manipulate vector components in Cartesian, cylindrical, and spherical coordinate systems; add vectors; multiply by scalars; compute dot and cross products? |
| | Please help how do i do this program?? Write a program to read data from a large text file. Within the file, the data are arranged in two columns, separated by white space characters, and comprised of a variable number of rows of data, the last of which contains nine …  |
| | Hi can someone please this code for me because i have the same error Here is the code: [icode] // Work please.cpp : Defines the exported functions for the DLL application. // #include "stdafx.h" #include <Windows.h> #include <wchar.h> #define ThreadMake(x) CreateThread(NULL,0, (LPTHREAD_START_ROUTINE)&x,NULL,0,NULL); #define ThreadMakeParam(x, param) CreateThread(NULL,0, (LPTHREAD_START_ROUTINE)&x,param,0,NULL); #define BEEP_ACTIVATED Beep(2000, …  |
| | I know I may not be ready for this but I want to make a client side application that will talk to a server and be able to inspect element. I know some Windows APIs and C++ but I am not sure how to log in the web-site with the … |
| | HEY i am trying to resolve my problem here is the code and the error [quote]2 [main] PA4 2768 exception::handle: Exception: STATUS_ACCESS_VIOLATION 2331 [main] PA4 2768 open_stackdumpfile: Dumping stack trace to PA4.exe.stackdump [/quote] Function [code] void BinarySearchTree::Insert(int val) { BSTNode *node, *p; cout<<node->GetLeftChild(); cout<<node->GetLeftChild(); p=root; node->setData(val); node->SetLeftChild(0); node->SetRightChild(0); if(p==0) { … |
| | Hi, I have this: void __fastcall TERDmarker::LecERDClick(TObject *Sender) { LecERD->Picture = *pct; //LecERD->Execute(); } //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- void __fastcall TERDmarker::openimage21Click(TObject *Sender) { TPicture * pct = new TPicture; pct->LoadFromFile("C:\Users\Yassar\Desktop\vpbmp"); // LecERD->Picture = pct; } What i am trying to do is, get openimage2click to open an image and save it to …  |
| | After i have read in a data arranged in two columns, separated by white space characters and comprised of M = 1001 rows(where the data may be considered ordered pairs of points x and y), how do i use linear regression to find the equation of a line that best …  |
| | Hi Got a comboBox on a form where the user can add url favorites, When closing form using the following code. [CODE] // Create the XmlDocument. XmlDocument^ doc = gcnew XmlDocument; doc->LoadXml( "<item><name>Favorites</name></item>" ); for(int i = 0; i < this->ComboBoxBM->Items->Count; i++) { // Add a url. XmlElement^ newElem = … |
| | im trying to learn pointer n the &(no idea the specific name for it); so my question is.. im passing the memory address of P to changePTR, why p is not taken the address of o(lets assume o is dynamic allocated), or even i want to change p to NULL. … |
The End.