51,593 Topics
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 | I am trying to change the NIC speed through the registry.. But my problem is that I dont fully understand the command RegSetValueEx. I have checked the Internet up and down for some good examples but have fallen short.. I am tring to set the default value for the NIOC … |
| | Heres the code I have so far. [CODE]#include <iostream> #include <cstdio> #include <cstdlib> using namespace std; int main() { int row, column, done, i, c; string row_num; cout << "Please enter the numbers of rows and columns "; cin >> row; cin >> column; cout << "Please enter the numbers … |
| | I have a project due for my computer programming class on Monday, and though I've completed the majority of the program, I now have to loop it and have no idea how. Here is the program: #include<iostream.h> int add (); int subtract (); int multiply (); int division (); void … |
| | Let us have a complex class with two double data member. If I would like to copy it by reference that means that I have two copy one or two pointers? |
| | I have to write a program which uses 2 classes to load 2 dat files into arrays. I then have to somehow compare the IDs in array1 to the IDs in array2 to get the extra IDs out of array1. These extra IDs then have to be stored somewhere so … |
| | Hey, what i am trying to do is to write a function that inputs a student's average and returns 4 if a students average is 90-100, 3 if the average is 80-89, 2 if the average is 70-79, 1 if the average is 60-69, and 0 if the average is …  |
| | The Question is : A store has 6 items. Each item has a price and a bar-code that uniquely identifies it. To simulate such a store, the program offers a menu showing the codes, their corresponding items, and their prices. The user chooses one or several items to buy, and …  |
| | Hey, I'm in a class in which the assignment here is to sort integers. We were called on to use two different sorting methods: InsertSort and HeapSort. My InsertSort works just fine. My HeapSort, however, does not; when the HeapSort() function is finished, the integers are still out of order. …  |
| | [CODE]#include <iostream> #include <cstring> using namespace std; int numberOfDeposit, numberOfWithdrawal; double monthlyInterestRate, monthlyInterest; float totalAmount; double MonthlyServiceCharge; int selections, choices, functions; string name, address, loginID; int idNum, password; class bankAccount { public: bankAccount() { float balance; double annualInterestRate; } float thismonthDeposit; float thismonthwithdrawal; float balance; float getbalance() { return balance; … |
| | can anyone tell me .....how to make c++ program that gives command as output to the robot that connected to usb port....  |
 | I have viewed a lot of threads out there relating to what I am looking for and can't seem to find one that will help. I am reading data in from a file. Even though I already know how many names are stored in the file, I need to write …  |
| | Hi! I have 5 different functions which all must be connected to main, for example a menu that calls each function. How do I do this? Thanks in advance! Best regards Adam |
| | i need help on funtions throughout, i want to take lecture on funtions . theory then practicle....... so plzz help me |
| | I realize no one is going to want to read through this source code but if anyone does and is able to tell me why I'm getting the errors I'm getting I would be extremely grateful and would pay them back somehow. My code is as follows (I just put … |
| | I got this to compile, but it's not popping my Dialog box. The tutorial from [url]www.winprog.org/tutorial[/url] didnt necessarily specify where my AboutDlgProc() is suppose to go ? I assumed it went above the Default but I am unsure... I'm trying to understand why it's not popping my Aboout Dialog when … |
| | gives me error on 3rd coded line in search(). [CODE] #ifndef MY_HT_CHAIN_H #define MY_HT_CHAIN_H #include <iostream> #include <vector> #include <list> using namespace std; class my_ht_chain { public: //constructor which creates a table of a certain size my_ht_chain(int initTableSize); //destructor ~my_ht_chain(); //insert a value based on key void insert(int key); //search … |
| | Hello guys. I want to compare two files using a system call to DOS command fc. The problem is that fc does not open the file entered as a command line argument. [code] code = system("fc args[1] ..\\o.txt"); [/code] Does anybody know how to make it work? |
| | I Have a code that fails abruptly after going through several hundred times around a for loop. (The loop is not over yet . I can see that from my printed output) Pinpointing the exact location (line number) and variables at that point of failure can provide me with useful … |
| | I've seen different algorithms of backtracking including sudoko and moving queens on a chess board but I was wondering if there are any that explain how you would go about solving lets say a Rubik's cube or more like connecting multiple squares together which contain numbered edges that create a … |
| | I have been given an assignment to design and program a calculator using C++ and Ultimate ++IDE(Integrated development Environment). My code should have a class Calculator as a base class, and another class scientificCalculator which inherits from class Calculator. The Calculator class performs basic arithmetic operations. The scientificCalculator adds more … |
| | How to change screen colour, font colour, making various shapes , presenting slide shows in c++ |
| | please iwana to ansewr this question todaaaaaaaaaay iwana to help me>>>>>>>>>>> 4. (Combining Class Time and Class Date) Combine the modified Time class of Exercise 9.7 and the modified Date class of Exercise 9.8 into one class called DateAndTime. Modify the tick function to call the nextday function if the …  |
| | Is there a way to determine the largest amount of continuous memory using either new or malloc(), preferably malloc tho. I am looking for a quick and easy function call and I don't want to have to loop through different values and see if it's available. A function that goes … |
| | this is my code， when I comment all output code(printf cout), the compiler told me "Debug Error!", why? [CODE]#include <stdio.h> #include <string.h> #include <iostream> using namespace std; int main () { char buf[]=" 1 1 1201 1 -0.349200000000000D+06 0.115200000000000D+06"; char* cpr; /* cout<<sizeof(buf)<<endl;*/ /* cout<<(buf+25)<<endl;*/ for (cpr = buf+25; cpr … |
| | [code] #include <iostream> using namespace std; struct Student { char Name[30]; float GPA; int Major; }; //Function prototypes Student* StudentData(Student* S1); void display(Student* S); void ChangeData(Student* S2); void GetStudents(Student array[], int size); void PrintStudents(Student array[], int size); //Main information build int main() { //Declare two objects of type 'Student' as … |
| | Need help with calculating student grades using arrays. If I have the names and subsequent grades listed on notepad input file. eg. Name1 23 43 54 23 43 54 Name2 54 34 65 76 23 54 Name3 97 68 45 68 86 58 How do I setup two dimensional array … |
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| | Hi everyone I need major help i took a class in c++ and was doing fine until the last challenge, I need help with it in every way, below is what is wanted but I cant understand anything please help me This program will include error trapping with try and … |
| | I am trying to sort out how to use the traversals in my tree to save to a txt file. Currently it is only ouputting the items stored within the node to the console. The traversals are located at lines 99-128 [CODE]#ifndef TREE_H__ #define TREE_H__ #include <string> #include <fstream> #include … |
| | Can someone help me please? I have to do this turkey project, everything is working ok, exept for my oven time. when it prints this line: [CODE]cout << "Put the turkey in the oven on the " << startThawDay + howLongToThaw <<"th " << " at " << ovenTime <<" …  |
| | I have the following code which works on the .txt file The file content is as given below. ;* ;* { = LanguageIso LANGUAGE_ISO = "EN" } [CODE] xlong MyProg::Import(const char* buffer, xlong x) { try { while (1) { if ((bytesParsed = AddLine(tmpSrcBuffer)) == -1) return FALSE; tmpSrcBuffer += … |
| | im a beginner in programming..!! And i cant perhaps solve your beginner challenge..!! can you help me sir with my project??? it is making a program that works like in FLAMES.... The program asks for 2 names and it will count the similar letters in the 2 names... There are … |
| | for this function i need help with the email part. I am trying to string compare domain with 3 different string possibilities (.com,.org,.edu). void add(char firstName[][32],char number[][9],char email[][32],char lastName[][32],int count) { int i; int length; char domain[3]; cout << "enter their name\n"; cin >> firstName[count]; cin >> lastName[count]; cout << … |
| | why does this happen? I want it so that it does not display the text using an or statement and not using and or anything else. [CODE] if( 1 == (2 || 2 || 2)) { cout << "Should not display"; }[/CODE]  |
 | Hi, I want to edit a record inside a txt file. So first a search for the record inside the file and display the record to the user. But for example, if the user want to edit the name, how I can go to that position? [CODE] void editar_cliente() { … |
 | Hi all, to strengthen my C++ knowledge I want to code a DLL to record sound and write it to a file. So Far I want it to be windows based may be later Linuxed. So here is my first step, make simple program that does that. But I have … |
| | hello again....i'm in need of help. for my final program for my programming two class i have to write a program doing operations on sets. i wanted to know if someone could put me towards the right direction and give me an example of a program using friends of a … |
| | Hi, I am having trouble getting the item and its calories to match. Could anyone tell me what is wrong with this bubble sort? Thanks [CODE]int main() { string food[100]; string search; int calories[100]; int x = -1; bool look = false; do { x++; cout << "Enter a menu … |
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| | i'm trying to write a doubly linked list code but i'm having a lot of errors please help me identify what my problem it please thank you in advance[CODE] #include <stdio.h> #include <stdlib.h> struct listNode { char data; struct listNode *nextPtr; //struct listNode *prevPtr; }; typedef struct listNode LISTNODE; typedef … |
| | I am having a problem with overloading an operator within a class structure. Below is the program that illustrates my problem. It defines a class Matrix, creates two matrices and multiplies them. I created to multiplication functions. The first is a straight function, the second uses the overloaded * operator. … |
| | I am working for this program all I want to display the users all attempted score and user gets only four chance to take quiz, the code below works fine the only problem is that 1. I dont want to display " Your Previous Score" for the first attempt, as … |
| | Hi there Just started an IT course recently, and although flying with HTML and other disciplines, I'm having trouble with some C++ syntax. I have a problem with a short piece of code I have to write, which has to read input from the keyboard for 5 fictional employees, each … |
| | Hello, Been trying to work on this tic tac toe game and I can't seem to figure out how to post the moves to the board. Everything as I have it now seems ok with the compilier but I just need help with that part. Let me know . . …  |
| | I am trying to create an application that will create a lined box around multy-lined text that I have imputed at the keyboard, and i would like to be able to do the following with the boxed text. [LIST] [*]move the box around the screen. [*]The boxes should be able … |
| | for our class project in my school we made a robot software and it is awesome i was on the math class and it was a lot of fun... i just finished the last part again last night cuz someone lost everything any way.. we have time to kill and …  |
| | If I want to define what is a double -> double function pointer I use: [CODE]typedef double (*double_fp1)(double);[/CODE] But what if I would like to distinguish const double -> double it is possible? And the above definition consists the const double -> duble function? |
 | Can anyone tell me why I am getting this message: "...error C2296: '%': illegal, left operand has type 'double' " here is my code: [code] double Q1median(ifstream& students, string studentid[60], string fname[60], string lname[60], int Q1[60], int Q2[60], int Q3[60], int MidTerm[60], int Q4[60], int Q5[60], int Q6[60], int Final[60],int … |
| | does anyone know of any good sites, to start learning opengl? |
| | hi i tried to do this q but i stuck in the middle of writing codes Write a program that creates an array dynamically whose pointer must not change, initialize the array to random values between 0 and n (inclusive) using rand () where n is a value entered by … |
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