49,761 Topics
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| | How to capture the WM_RBUTTONDOWN event from the Listbox part of a Combobox control? I have a MFC dialog based application. A CComboBoxEx control is defined as m_comboBox1, it has a dropdown list of a few items. When the drop down list is shown, I want to cancel the list … |
| | Hi all, I am a beginner to C++ and am having problems with data validation in a project. The program is a oylmpic diving score program and is working ok only for when I input an invalid character the for loop seems to continusal run. Is there an easy for … |
| | Ok, I'm doing my course work and I've managed to get it so that the menu will only show values if they've been entered, for example: [code] if number_of_employees is 0 then display add employee otherwise display add employee display view employee endif [/code] The problem that I'm having is … |
| | Hey! Alright, I am working a program in C++ (obviously ;P). I have been working on this game a very long time and took a break from it. I actually forgot how this line works: [CODE] vector<string> sWords(1); int a = 0; ifstream myfile("words.txt"); if(!myfile) { cout << "Error opening … |
| | Problem: Write a program that has an array of at least 20 integers. It should call a function that uses the linear search algoritm to locate one of the values. The function should keep a count of the number of comparisons it makes until it finds the value. The program … |
| | hi guys i have been given an assignment to write a program which inputs date month and year and than outputs Full calender of that month .. Help Is really Appreciated Thanks  |
| | hie, i want to operate a usb webcam using c or c++ language that is i want it to take pictures using c/c++ commands can any1 suggest me how can this be done. Also i want to find out two laser spots from an image using processing and track them …  |
| | It is possible to write, but the compiler dont find the function when I want to use func(x): [CODE]template <class T> double func(const double& x, const double& error = 0) {...}[/CODE] I have to write separately, like this why? [CODE]template <class T> double func(const double& x, const double& error) {...} …  |
| | I am trying to make a program to login to a website for me and retrieve off a certain page. Website i am trying is beta.rapidpremium.net i do have a working login for this site but need to know what to do to get required information for using the same …  |
| | Hi. I am kind of having trouble with some functions. Basically, I know how to write out functions using void and no return, but for this problem I am working on, I have to use int myfunction(something&) instead of void myfunction(). Can anyone please lead me in the right direction … |
| | I was just wondering how I would compare 2 different object member of the same class. I want to compare the int speed between the 2 objects. Lets say I have a [CODE] class Car { private: int speed; public: int compare(Car car) } main() { Car Honda, Toyota; //Lets … |
| | Hi. I am trying to input values from a user and put them in a linked list. Some how when I display the values that the user inputs, they are both show up under one variable. ie. user inputs $3 and then inputs $5 for next variable. however, when i … |
| | Greetings! My Instructor is asking me to do something that I am totally confused about. I need some assistance. Thanks! Here's the information: For the lab this week, create an original single-file command line program that does the following: 1. Prints your name (First and last) 2. Recursively computes the …  |
| | Hello, Is there a way to get the time of a remote computer (for synchronization purposes) using Win32 API? I need to do programmatically what the NET TIME MS-DOS command does. Thanks. |
| | Hello, Can any body give me the idea how to extract information from win 32 dll's. e.g class name all methods which dll exports. name of methods, parameter types(in,out) & return type of that method. all variables (private,public,protected). all data structures listed we can do the same job from tlb … |
| | Hi everyone, I'm an absolute newbie in C++, please help me to solve this problem. This problem is something related to the [I][B]getline[/B][/I] method. I write a program to ask for user's age and name. Just for demonstrating some IO operations. [CODE] /*IO Example*/ #include <iostream> #include <string> using namespace … |
| | working on the backwards String and i can't get it to print correctly plz help [CODE] #include <iostream> using namespace std; void backward(char *); // Function prototype int main() { const int SIZE = 11; // Array size char string[SIZE]; // To hold a string // Ask the user to … |
| | Having the user “insert” their money. The money insertion will be handled in a Loop. For example, before they start, their total inserted is $0. let’s say that a drink costs $1.00. If they say that they are inserting “$0.25” then we will add $0.25 to $0 and tell them … |
| | i make two man in turbo c++...using graphics...but now i have to move these two man,,,moving n the sense ,,playing football...but i cannt move them move...please help me to move the two man,,, plz help me with the code using turbo...graphics should be supported.. any solution,,,plz mail me at:[I] <<snip>>[/I] |
| | Hi Everyone, i'm hoping that someone can help because i'm a c-sharper who's a little confused in the land VC++ :) I have a set of older c++ files (cpp) that i found on the web and I need to consume them from c#. So, i create a c++ class … |
| | I have this code here from a previous topic that sknake help solve. I can't see why its not working. [CODE]String^ user = gcnew String(username->Text); String^ pass = gcnew String(password->Text); try { Uri^ url = gcnew Uri("http://beta.rapidpremium.net/login.php"); String^ data = "username=" + user + "&password=" + pass + "&login="; HttpWebRequest^ … |
| | i have written the program but my month function is making problem plz chk it and correct it[CODE]#include <iostream> #include <stdlib.h> #include<conio.h> #include<string.h> #include<stdio.h> using namespace std; class expense { private: int income; int gbill; int ebill; int wbill; int oexpense; string month[20]; public: expense() { income=0; ebill=0; wbill=0; gbill=0; …  |
| | i am trying to convert decimals to binary ..the reason i am using function is becoz i want to include -ve numbers too .......i was sucessfull for the positive but for making it run for -ve numbers to i divided into a new function....but i am not able to figure … |
| | I am trying to write a program that interfaces with a BlackBerry device plugged in via USB (utilizing the Desktop Manager API). The only exampes I can find for doing this are in C++, but I only know how to write/interpret VB .NET (I'm a novice, really), so I decided … |
| | hi im working on a project for uni. i am doin a games software development course and i am currently working on a small game. we have to then optimise it so it runs as fast as it can to prevent lag. though im getting alot of bottlenecks around cout … |
| | Hi everyone, I have some troubles with reading floats from a file into a 2d vector. Basically, I have 3 coordinates (x,y,z) of some points which I want to store in a 2d vector. This is what I have so far: [code] #include <vector> #include <string> #include <fstream> #include <sstream> … |
 | [code=c++] int main() { int i=10; char arr[i]; } [/code] I was expecting an error but it is compiling without any issues. I'm assuming the g++ compiler is doing something but not sure how to disable that. This is my compiler info [quote] Using built-in specs. Target: i486-linux-gnu Configured with: … |
| | I have a 2D array with 2 types of values : '-1' and non - '-1'. -1 implies pixel off else on. After each loop my array changes. Hoa can i make a video from these images ? any idea , tools , any help :X |
| | Hello there! A very quick question: Can I use an already defined int as array size? I want to make an array the same length as a string. I use ifstream to read in a random word from a file and I use .length to get the length of it … |
| | Hey guys, so I want to write a program that calculates the sinus, cosinus and tangent without using math library... Any ideas? |
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