51,593 Topics
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 | Environment: MS Visual Studio 2008. (Please transfer this thread to where it belongs.) Project type: Windows Forms Control Library. Goal: Get the pixel color from a given process' main window. Already achieved: I got the desired process's pointer by using [code]cli::array<Process ^>^ Proc = System::Diagnostics::Process::GetProcessesByName("Notepad");[/code] I believe I got the … |
| | [CODE] try { boost::asio::io_service io_service; tcp::acceptor acceptor(io_service, tcp::endpoint(tcp::v4(), 13)); for (;;) { tcp::socket socket(io_service); acceptor.accept(socket); //how do i make a checker here if the client is not sending anything then server send or if the client sending then server recive } } catch (std::exception& e) { std::cerr << e.what() << … |
| | Can We find any Number through binary search in 33 size array? |
| | [CODE]if ( initialize == "off" && Iminor > 20 || Imedium > 10 || Isevere > 5 || Ifatal > 0 )[/CODE] the string type 'initialize' is cout'ing "on" and all of the values right of the AND operator are TRUE. Why is the subsequent code block for the if … |
| | [CODE]int thetime = time(NULL); string in; stringstream out; out << thetime; in = out.str();[/CODE] that's my code for casting an integer into a string, but im having a little trouble reversing it to change a string into an int. :/ can anybody help me out? you have to include the … |
| | Hi guys, I'm working on an assignment for my programming class and was wondering if I could get some help. The problem I'm having is that when I try to access the value of the map, I get a weird debug error. The program compiles fine but when I run …  |
| | Hi I am trying to open the system open dialog box by usinf CFileDialog class and i wanna display the image in my listcontrol,which(image) is selected from that open dialog box. I am able to get the file name of the selected image and i tried to Add it to … |
| | hi, I am looking for the code for the following program. Consider a set of elements and a given sum. You need to find a subset of elements whose sum equals or is greater[given there are more than one subset, print the one whose sum is closest to the number] … |
| | I need to figure out how to get the min/max in this array. I heard that it can be done using the algorithm library. we have yet to learn that. any help would be appreciated. [CODE]#ifndef Lab4_h #define Lab4_h void GetTemperatures (int Temperatures[], int NumTemperatures); double ComputeAverageTemp (int Temperatures[], int …  |
 | Is there any software out there that can help me create 3d models for use with OpenGL drawing of models (i.e: triangles, square and polygons in 3d space). I need to be able to make polygons in 3d and be able to access the values of the vertexes. Does anybody … |
| | Hello all, I am having a mental blank on checking user input (that is string) to check if it contains an integer value. as in: [code]for(i=0;i < nNames; i++){ cout<<"\nEnter a last name: "; getline(cin,name[i]); [/code] I have checked the C++ string class for string.length() and others, I am just … |
| | hi plz i wanna ask how i can print stack from bottom to top ... :( ?  |
| | I decided to post this problem in a new thread. I have a simple program in OpenGL and it doesn't work. What happens is that a transparent window forms and when you hit the 'X' it says that the Release of the Device Context and Rendering Context failed. Here is … |
| | Hey, ive got two string types [CODE] string string1 = '1'; string string2 = '2'; string string3 = string1 + string2; [/CODE] Ok, ive simplified my code. I would like string3 to equal '3', and not '12'. I dont know anything about casting. Please dont tell me to use an … |
| | Hello, and greetings to those I may be speaking with in this thread over time. I present to you a problem, rather fringed and minimal and troublesome. First, I'll start by saying that I don't really consider myself a programmer so much as I do an enthusiast who now, suddenly, …  |
| | I'm just starting a search for a library or code sample for grouping numbers together based on their distance from one another. For instance, in the set{1,2,4,25,28,29}, is there an algorithm that would identify two groups of numbers subsetA{1,2,4} and subsetB{25,28,29}? Nothing really came up in my google search, but … |
| | I have a user input an integer... But if it's really long, it throws an exception and starts looping infinitely. How would I make it cut the number after the first 7 digits and only use that? Like, if I inputted 654897654321648435435135813513843513543514, it would only accept 6548976. Please help. |
| | I've trawled the internet searchiing for an explaination on how to do this. I'm working on an assignment and we are told to "transmit a whole object to the server". As far as I know, the send function of winsock2 only allows you to send data of type char, so … |
| | i am using QT software in solaris, i opened remote system through QFtp methods i.e.. connectToHost() after that, loged in through login(). now my problem is, i am trying to get data from remote system, through int get ( const QString & file, QIODevice * dev = 0 ) at …  |
| | [CODE=java]import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Plane extends JApplet implements ActionListener { JTextField input; JLabel prompt1, prompt2; JButton yesButton, noButton; int section, seats[], smoking; int nonsmoking, people; public void init() { input = new JTextField( 4 ); input.addActionListener( this ); prompt1 = new JLabel( "Please type 1 for …  |
| | I have done pretty much all my programming using C# and very much a newbie to C++. However now I have to convert to C++ and is finding it a bit difficult. For example, I wrote a pretty simple program using C# to acquire a RegistryKey, then using a recursive …  |
| | with this structures: [CODE]//Structure of binary tree typedef struct nodo_ab { int etiqueta; list primerapos; list ultimapos; char dato; struct nodo_ab* izq; struct nodo_ab* der; struct nodo_ab* padre; } nodo_ab; typedef struct nodo_ab *abb; //Structure of list typedef struct nodo_lista{ int dato; struct nodo_lista *sig; }nodo_lista; typedef struct nodo_lista *list; … |
| | I have had an issue with getline(cin,string) in several of my programs. The program does not allow the user to input information after the cout statement preceding getline(cin,string). Below is an example code of the issue I am having(Btw I am using code::blocks with GNU compiler): [CODE]#include <iostream> #include <cstring> … |
| | I converted old C++ project to VS.Net 2010 with 4.0 Framework. error C2440: 'static_cast' : cannot convert from 'void (__thiscall CChatView:: * )(LPARAM,WPARAM)' to 'LRESULT (__thiscall CWnd:: * )(WPARAM,LPARAM)' [CODE] // .cpp File ON_MESSAGE(WM_ChatAddSize, OnChatAddSize) void CChatView::OnChatAddSize(LPARAM lParam, WPARAM wParam) // .h file afx_msg void OnChatAddSize(LPARAM lParam, WPARAM wParam); [/CODE] … |
| | Hi everyone, I'm trying sort a C++ struct and print the result as output file. I don't know how to sort the structure. Did anyone develop this before? Thanks a lot, [CODE] #include <stdio.h> #include <stdlib.h> #include <iostream> #include <fstream> #include <string> #include <vector> #include <sstream> #include <algorithm> #include <cstdlib> … |
| | Hi, can someone point me in the right way? I'm running linux and I'm looking for the right include files and commands that would enable me to configure my wifi card. ie create a ad-hoc with another computer, or connect to a wifi router. I don't want to do through … |
| | First of all, sorry if my title is not all that descrptive and if this has already been answered, I looked around but did not find it so I decided to make my first post/thread. I am working on a little offline game right now and what I'm trying to … |
| | ookay people, here is the code c++; im trying to read BMP image file. [CODE]#include <iostream> #include <fstream> using namespace std; void listing (void) { unsigned char pixel; int x, pix; ofstream debug("debug.txt", ios::out); ifstream inpaint( "source.bmp",ios::binary); if(!inpaint) { cout << "File not opened\n"; exit(1); } for(x=1; x<=54; x++) { … |
| | . A small airline has just purchased a computer for its new automated reservation systems. You have been asked to program the new system. You are to write a program to assign seats on each flight of the airline’s only plane (capacity: 10 seats) Your program should display the following … |
| | Hi, I would like to ask about sorting lines in C++, (4 columns = 3 columns of integers and the last one a string): 3 56 3 NA 7 50 5 NA 2 100 1 OK I tried the function sort() using a vector of strings, but failed in cases … |
| | I can't get rid this error IntelliSense: cannot open source file "stdafx.h" error C1083: Cannot open include file: 'stdafx.h': No such file or directory [CODE]#include "stdafx.h" #include <iostream> #include <cstdlib> using namespace std; //class BinarySearch Tree class BinarySearchTree { private: struct BST { BST* left; BST* right; int data; }; … |
| | Hi, I am trying to use some C# code I have written in C++ - its worked fine in the past (without inheritance) so I'm totally stumped by this problem I'm getting. I have made a really simple version, which demonstrates the problem, specifically when it goes into any COM … |
| | guys here is the question elow is the main function that creates the object of Mile and Kilometer classes. Write the definition of Mile and Kilometer classes such that each statement in the main function is executed without any error. Both classes must have default constructor that initialize the private … |
 | Hey; I am trying to handle the SIGCHLD and therefore prevent zombie processes walking around .) The program does not work the way it should however. I am counting how many times the ZombieHandler is called and at the end of the program it says zero. What might be causing … |
| | is there is a tutorial about how to use boost:asio how to send how to recive , coz all the tutorials i checked is only showin me an example of server source or a client source. so please if there is one link me to it thnx alot :) |
| | (C++)I need to create a program that would input year and month in number. Display the year and the number of days in that month. The hard part is I need to include the leap year e.g. if the input year is 2000 and the input month is 2 (which … |
| | . A small airline has just purchased a computer for its new automated reservation systems. You have been asked to program the new system. You are to write a program to assign seats on each flight of the airline’s only plane (capacity: 10 seats) Your program should display the following …  |
| | Hi all, Recently I've run into a problem where a string I am reading from a file is being read in with a nonprinting character appended to the end. The character being appended is U+0020. I'm just unsure how to get rid of this. I know that I could just … |
| | I wrote a program which finds the next palindrome. First, it takes an input specifying the number of test cases. The code runs fine in Visual C++, but am not able to run it in GCC. I have never used GCC before so unaware with its functioning. But am expecting … |
| | This article shows you how to optimize memory allocations in C++ using placement new. Applicable especially to usecases dealing with creation of large number of objects. [COLOR="Red"][B]A brief on problem:[/B][/COLOR] Lets take example problem for simplicity: - I have a GSM network with a cell in it. - Cell's coverage … |
| | hi i need your help in these programs using C++ programming language. 1.write a program to enter some numbers and display the count of how many odd and how many even you entered. 2.write a program to store 10 numbers in an array and then display the sum of digits … |
| | I am really new to c++ just started today. This is my first real program (however useless it is) and i am stuck with one error. I am writing my code on code::blocks using mingGW on windows XP. My error is as following-invalid converion from 'const char*'to 'char'. my code … |
| | I am trying to run the following simple program which uses multithreading using pthreads. I compile it like: gcc -lpthread programName.c and it compiles fine. However, when I run it gives errors which I have pasted at the bottom of program. [code]#include<pthread.h> #include<stdio.h> void *thread_routine(void* arg) { printf("Inside newly created … |
| | So I always seem to encounter this error. I usually find some odd hackish fix for it but this time I'm having too much trouble. I'm basically trying to make a program which corrects words the user types in (similar to that of any modern phone). The function I'm posting …  |
| | Hello I want to implement a pr. queue with structs. My struct is: [CODE] struct Call { int CallNum; long CallTime; int CallLength; };[/CODE] This is a call center simulation application (of course if i can). According to algorithm, the agents should choose the call whose CallLength is shorter. I … |
| | Ok so ive written a console program which is great, and now i want to create a thread that makes a window (winAPI) and can commuunicate with the console window. Well to describe it properly, i would like the window thread to send predetermined text (by clicking buttons) to the … |
| | dear all i have a dll with COM METHOD functions i want to call.i know the prototype and parameters of each fun. and also return type can anyone help me in calling these functions in details please because i am a beginner in this part. i use vs2010 thanks in … |
| | For example I have 4 sets of Coordinates [CODE] (1,1) (1,3) (3,3) (3,1)[/CODE] It's the out line of a Square Shape Is there a way I can find the list of sets of Coordinates on it's parameter? The expected out put should be: [CODE] (1,2) (2,1) (2,3) (3,2)[/CODE] and is … |
| | Need some help here it seems to compile fine but crashes at runtime. Am I missing something here? [CODE] #include <iostream> #include <string> using namespace std; // player class class Player{ int *position; public: Player(); Player(int); ~Player(); void print_pos(){ cout << "player 1 is in position: " << *position << … |
| | Is there a better way to access the base class operator overload? I'm using casting, and it works just fine, just wondering if there is a better way. Is this bad/ugly code? [CODE]class StrategyKey { public: StrategyKey(){} ~StrategyKey(){} StrategyKey(const char* strA): str_strategy(strA) {} friend bool operator< (const StrategyKey& stratKeyA, const … |
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