51,593 Topics
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| | I have put together some code for a homework assignment and I have almost got it working. There are a few key items that are missing or not fully functional and I am fresh out of ideas on how to attack it. The code is to take 9 digits/integers from …  |
| | Can anyone help me by giving out a complete tutorial on the step by step way a connecting to a database using C++ ? |
| | Hello all . I have just started using the gcnew instead of new for the public ref class, that i have needed to learn for windows forms. I have a problem that shouldn't be as difficult as it is. I have a class that i made called vector2 . It …  |
| | ok, i need help with changing the state of a process. So far my struct Process has an integer which contains the priority and a pointer next which points to another process, and i need to add a state so that every time i call the function insert() it would …  |
| | #include<stdio.h> int ways(int n,int m) { if(n=0) return m; if(m=0) return n; else ways(n,m)=ways(n-1,m)+ways(n,m-1); //there is an error here.pls explain// return ways(n,m); } int main() { int a,b; printf("give a and b"); scanf("%d %d",&a,&b); ways(a,b); printf("the no of ways from (%d,%d) to (0,0) are %d",a,b,ways(a,b)); return 0; } what is … |
| | I have difficulty to declare the following type of array. 1/36, (one divided 36) 2/36, (two dvided 36) 3/36, 4/36, 5/36, 6/36, 5/36, 4/36, 3/36, 2/36, 1/36 [CODE]double exptRoll [arraySize] = { 1/36, 2/36, 3/36, 4/36, 5/36, 6/36, 5/36, 4/36, 3/36, 2/36, 1/36}; [/CODE] This doesn't work. Can someone tell … |
| | How can I set the [U]Actual rolls[/U] and [U]Expected rolls[/U] to no decimal, and [U]Actual percentage[/U] and [U]Expected percentage[/U] to 1 decimal plus a % symbol ? [url]http://images.plurk.com/a2f077138ef908ce71f46b08909c998d.jpg[/url] [CODE] cout << "Point" << setw(17) << "Number of Rolls" << setw(17) << "Actual Percent" << setw(17) << "Expected Rolls" << setw(17) … |
| | Assignment 2-a: Program 1: You are given the task of determining the download speed of an Internet connection. You decide to use two files whose size is known (in Kilobytes-KB). You will download the two different files, and record the time it takes to download each one. You will determine …  |
| | good day to all... does anyone here have a basic tutorial on how to program using C for zigbee...? its just that i have a very important project task in my work which should be accomplished for three months:'( ...i do have basic...i mean enough knowledge programming in C but … |
| | I'm making a dice program that calculates the statistics such as actual percentage, expected rolls and expected percentage and so on. I'm having a difficulty on the Pseudo random number generation. With two dice, the mim. sum of the dice is 2, not 1. There is something wrong with my … |
 | I was working on a project when I thought that maybe a ::. operator would look funny in some code. Just for fun I typed that into the global scope area like this: [CODE]::. int main() { //etc...[/CODE] and my code completion software said too many results to display. My … |
| | Hi I'm trying to read in actors from a file that I got off IMDB and I wanted it to be searchable to whenever the user enters an actors name, the program would output the movies the actor has starred or been associated with. I've gotten the search function to … |
| | #include <stdio.h> int main() { int num, i = 1; printf("\n Enter any Number:"); scanf("%d", &num); printf("Multiplication table of %d: \n", num); while (i <= 10) { printf("\n %d x %d = %d", num, i, num * i); i++; } return 0; } Hi.. Can someone please patiently explain me … |
| | I need a sample code to retrieve the source code of a page . Ex : I have [url]www.blahblahblah.tld/file.ext?id=blah[/url] I want to retrieve in a char the source code of that site. Thanks |
| | Looking for an equivalent container class that matches to C#'s Arraylist collections class. Is there anything that comes close to a container that can provide index based enumeration as well as hold multiple data types. I am trying to create an vector that can hold multiple data types. For example: … |
| | Hello every one! i write an implementation for kruskal's algorithm but i think it doesn't work properly! The final tree has loop! this is my problem. Can you tell me how i can solve this problem? here is the code: [CODE] #include <stdio.h> #include <conio.h> #include <iostream> using namespace std; … |
| | Hello ,i have problem with code bellow. every data i enter it show me the weight '0'! Can you tell me how can i solve this problem? you should enter number of nods and edges and weight of each edge. [CODE] #include <stdio.h> #include <conio.h> #include <iostream> #include <Windows.h> using … |
| | So i wanted to build a program in which scientific sums are solved along with the steps .I tried but i failed . Here is the code ~ [CODE]#include <iostream> #include <cstdlib> #include <windows.h> #include <conio.h> using namespace std; int main(){ int reply; int u ,v ,t; int a = … |
| | I am trying to load the numbers to a text file based on user option when he or she types in number through my program. I'm just not sure how to go about it I have not yet learned this. I know I need to use #include <fstream>  |
| | need help for this small Q here, just hoping someone could write out a full c++ programme for the problem, with comments wherever nessecary, thanks! Write a function to evaluate eX , using a series approximation (see below). Compare the output of your function with the library function exp(x). How … |
| | Need help with implementing a pure abstract class via inheritance, using namespace to wrap all my classes to avoid conflict with others. I have been able to build and run the code successfully if I remove namespace wrapper from my abstract class and all classes that inherit from my pure … |
| | Hi, This my first time asking for help for my C++ programming class but recently my teacher gave us an assignment that got me so confused. I don't understand what to do. My assignment is due Wed, Feb 8, 2012 and my C++ programming book is expected to arrive Friday. … |
| | I have a homework assignment due this week and am fairly new to C++. Don't have a book so I can't really go on anything other than the video material and power point slides my teacher provides. I have 98% of the assignment done, however I'm encountering logic problems. I'm … |
| | I'm trying to preform a loop, using a combination of a if/else and while loops. I set a boolean "repeat1" to true, to enter the while loop. Then when I went the user to pick to repeat or move on, they enter a Y or N, if Y, keep repeat1=true, … |
 | Hey guys and gals not quite sure if this is where I should put this, I'm running into a really weird problem that I have yet to encounter...atleast until now. I am using Microsoft Visual C++ and playing with a little toy project using windows forms. Anyways I have an … |
 | I need to write a program in QT4 that converts the value entered by the user to Celsius or to Fahrenheit The temperatue.cpp: I need to write a program that converts celcius to fahrenheit and vice versa the temperature.cpp is: #include "temperature.h" //constructor Temperature::Temperature() { //{initializes and places widgets using … |
| | Hi every1! Thats my code that used to work before I've added some attributes to my items. [CODE]void manager::EditStockItem() { ListStock(); { string z; bool found; cout<< endl<<"<===================================================>"<<endl<<endl; cout << "Enter ID of the Stock Item you want to edit" << endl<<endl; cin>>z; found = false; vector <Item*>::iterator iter = … |
 | hi this is my first thread i am learning c++. it is my first language that i am learning. it seems difficult because it is my first programming language. i follow the book tittle "PROGRAMMING WITH C++" by "D RAVICHANDRAN" . please suggest me how i learn language very easily  |
| | difference between setdialogitemtext and update data??? in mFC VC++ application; both way we changing item values.. in some app one working another not working.. ex modal dialog update data not working.. any body explain??? |
| | Title may be a bit off, but I am having issues trying to form this last function. I created a simple sorting algorithm for a list of ints I have for a project, now the ints are from the min to max. I know the size and have a pointer … |
| | Write a program to accomplish the following tasks: 1. Generate arbitrary number of random integer numbers between [0-100] 2. Save or load the numbers from/to a text file based on user option 3. Search the generated list for an arbitrary number entered by a user 4. Use Linear and Binary …  |
| | hi, my name is vic...i got one problem cannot fix....output for the number of times each of the tasks has been invoked...i run 3 times each of the tasks but the output always is this program has run 1 times..... #include<stdio.h> #include<stdlib.h> void doTaskA(){ printf("Start of Task A\n\n"); int input_1, … |
| | Hello. I am working on a data structures program that should be quite easy, but after programming in assembly language using mips, I forgot a little bit of C++ and can't remember how to do this. I've used my googlefu for at least 2 hours and still have this problem. … |
 | [CODE]#include<iostream.h> #include<conio.h> struct marks { int a:3; int b:3; int c:2; }; int main() { clrscr(); marks m={2,12,5}; cout<<m.a<<m.b<<m.c; getch(); return(0); }[/CODE] o/p is 2-41 i got how 2 and 1 came but didnt get how -4 came. according to me it should have been binary for 12=1100 b can … |
 | Hi, I have many versions of Visual C++ Redistributable installed on my windows. I was wondering if I want to remove old versions and keep the last one, any problems will happen or not. (sorry for my bad English) thanks in advance...  |
| | Hi, I have a program which is almost working now further implementation wants a records to store different entities and to create their relationship. I don't want to create the new forms what would be the best and easiest way of doing this. Any help would be highly appreciated. Best … |
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| | #include<stdio.h> #include<stdlib.h> void main() { double count = 0; int input = 0; int sum = 0; float average=0; while ( count < 20) { printf("Please enter integer number : "); scanf_s("%d" , &input); sum = sum + input; count = count++; } average = sum / count; printf("The total … |
| | help me with this please Write a program that thoroughly tests the robustness of a bank account class, which must have the following attributes: • Account Number • Account Name • Balance You must produce the account class with its associated attributes, constructors, destructor, accessors and mutators. You could start … |
| | So I am making this game kinda like super text twist. I was wondering if there are functions in c++ that lets you know if the guess word is a subset of the scrambled word. Of course, the number of characters would have to match up. Example word || scambled …  |
| | i am a c++ beginner and i did not get the concept of virtual functions in polymorphism i am not getting the following lines [QUOTE]virtual function has an important advantage over simple overloading .if a particular member function is not defined for any derived class but is called through derived … |
| | How would I go about attaching a stub to my payload, which shall control the execution of the payload. I have looked into file mapping [url]http://msdn.microsoft.com/en-us/library/windows/desktop/aa366556%28v=vs.85%29.aspx[/url], but I am not 100% certain this is the right way to do that? Thank you. |
| | hi i need help!! i need a program where you enter a string and it has to sort the string using insertion sort showing the words in descendent order |
| | Declare a structure that contains: student Id, first name, last name, and five test scores. Also declare an array of 10 student structures. Prompt the user and read the student data from the keyboard and store the information in the array. After each student ask the user if there is … |
| | Hello, my problem is, i´ve created a windows program that plays a sound with playsound function from mmsystem.h and then starts a timer that works with getsystemtime and the _systemtime variables. First, the sound is started with the playsoundfuction, and inmediatly after, the getsystemtime stores the current time in a … |
| | The purpose of the program is to create an account where you can deposit, withdraw, and check your balance. I have to use class and put it into a project with a .cpp and .h file. When i compile this it works almost perfect, but the balance always starts at … |
| | Just want to see if there is a thing to turn oh "Test" to binary/base 2 stuff. This: [CODE]muffins = 12+16%2[/CODE] I think is sortof what I'm looking for but it chops of whatever's bigger than 2. |
| | Hi all, I am trying to figure out the code for searching a text file for a word/phrase and then replacing it. Both are user-input values. I've been having a tough time finding some help online because we are required to use get and put, [U]not strings[/U], unfortunately. The controllers … |
| | Hi everyone, At the minute I'm trying to learn XML and reading/parsing xml files with c++ but I seem to be a bit stuck :( I've an xml file [CODE] <?xml version="1.0" encoding="UTF-8" standalone="no"?> <NormalisedFileCheck> <ExpectedFiles> <File>File_Num_1</File> <File>File_Num_2</File> <File>File_Num_3</File> <File>File_Num_4</File> <File>File_Num_5</File> </ExpectedFiles> <ValidProducts> <Product> <Family>Windows</Family> <Name>Windows 7</Name> </Product> <Product> <Family>Linux</Family> …  |
| | i need helping constructing an array of structs, this is my part of my header file which contains the following struct [CODE] struct PCB { el_t id; // contains the priority of the process string state; // current state of the process (e.g running) PCB *next;// link to the next … |
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