51,593 Topics
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| | Hello, I just joined this web site and i'm new to programming and i'm stuck on this program, can't seem to finish it, after couple of days of trying to figure this program out, i realize i need help. The program is pretty much done i just don't know where … |
| | guys i made a program and it is working the prob is that it is not displaying the values to in float so guys plz help me in this regard #include "stdafx.h" #include<iostream> #include <stdio.h> using namespace std ; void reduce(int&,int&); class decimal { int numerater; int denominater; public : … |
| | [CODE]/* I made point class it has two objct x,y. i made saparate function for giving values to x & y object but when i run the it provide wrong answer. i enter firstValue=5 , secondVaue=6. the program shoul provide same answer same as like(5,6) but result show after excuting … |
| | I have a class Matrix2D where the matrix is defined as vector<double> elements. I'm trying to use the function Gauss() to perform gaussian elimination on a matrix a [CODE]bool Gauss(Matrix2D& a) { [INDENT][/INDENT]//Gaussian elimination routine }[/CODE] The function itselt works perfectly and if I view the matrix a just before … |
| | Hi there! I'm writing a program which has lots of vectors in it...I've named these vectors sequentially - ie vector1, vector2, vector3 etc. What I was wondering is, is there a way of displaying the contents of these vectors without manually writing cout << vector1[0] etc? I know this doesn't … |
 | Okay, so I have said code: [code] #include <iostream> #include <cstdlib> using std::cout; using std::cin; using std::endl; int main() { char input[8]; int counter = 0; int newletter; do { cout << "Please enter a 7 letter word to encrypt:\n>"; cin >> input; if(input[8] != '\0') { input[8] = '\0'; … |
| | Hi Guys I am trying to read contents of directory... using "FindNextFile(hFind, &FindFileData)" Findfirstfile returned me then first file in the directory.. even though I have somany files in the directory (FindNextFile(hFind, &FindFileData) returning me zero..... can anyone help me... thanks in advance... Thanks  |
 | Hi, what's #pragma and #pragma once? I can't find website's that explain it for a noob, as I am a noob. I think it's related to #ifdef? I also think I know what #ifdef is. It's when you want to see if something is defined. Like #ifdef WIN32 #endif. Thanks.  |
| | Hey guys, I am writing a C++ program with the help of dynamic allocation of a character array. The size of the array depends on the size of file read. However, when I checked the size of allocated array, it is always 4! So, is there any limit on this …  |
| | i forgot to put DO in my program. since i was instructed to use DO-WHILE LOOP. i still have the same output if i use this code. But better to have the DO inserted. output: 0 0 2 0 2 4 0 2 4 6 0 2 4 6 8 …  |
| | hi, could anyone please point me towards a good link or post a code that helps explain how these could be implemented? thanks a lot |
| | i need to make a program that would display the figure as shown below. using a DO-WHILE structure and a method to implement the task. a C++ program. output: 0 0 2 0 2 4 0 2 4 6 0 2 4 6 8 0 2 4 6 8 10 …  |
| | I need help i am not sure if i am on the right track. i have to write a program to calculate the night of nights someone has to stay and what size bed they want. than i have to give a total of cost plus 6% sales tax. her … |
| | I have a problem on programming, its not really my assignment, but my friends... i just thought i can resolve this at C, because i got some backgrounds on it.. but i can't do it my compiler is dev c++ the code must be on C++ not C can i … |
| | recently i understood at last how can i store more values in an int with bytwise operators, also, i have read that #define directives are evil for a number of reasons. one of them: [CODE] #define SEVEN 2 + 5 int result = SEVEN * 5; cout << result; // … |
| | PLease can someone help? I need to create a program that reads a list of units and names "eg ounce,gram,28" then asks for a user input, and then converts and displays the result. So far all i have been able to do is get it to read the first line, …  |
| | Hey this is from my c++ assignment at Uni. I'm fairly new to programming so i need some help. The program has separate functions after the main() which i have to call everytime i need to use them. So I've sorted an array using a fuction with an algorithm of …  |
| | Hi, I'm making a program that finds the number of days between two dates (so far you can only put in 1 date because my code is incomplete). The code is incomplete right now but my problem is that the problem is that my code doesn't return a needed value. … |
| | Hi all I'm designing a multithreaded application which has long running threads. I need to check some condititons in the main thread, interrupt the threads and end the program if the conditions are true. But i'm not sure if this is the correct/safest way. Here's my pseudo: [CODE]main() { boost::thread … |
| | hello am making a library program that add, delete and shows record. i am done with it. but now i have a logical problem. the id i input for a book it can be taken by other books. i need to restrict ID for one book which cannot be used … |
| | Create a console-based application that computes the price of a desk and whose main() method calls four other methods a method to accept the number of drawers in the desk an input from the keyboard. this method returns the number of drawers to the main method a method to accept … |
| | Its been a little while since i have used Dani Web but i need some help. If the code looks a little off then you have to forgive me. I was getting help from a friend who i found knew less about it then me. Here is the criteria for …  |
| | Hello, I am getting a segmentation fault in my program and do not know why. It occurs when the program reaches: [CODE]for(i=0; i < values.size();i++) items[i].value += values[i];[/CODE] Values have integers inside of it (7,77,2,3). Items is a vector<knapSackStuff> items; and my knapSackStuff look like: [CODE] struct knapSackStuff { int … |
| | Hi, I'm trying to make my own library so that I know the names of the functions and can use them more simply. Also, I normally don't get the File I/O right so if I write the Library once, then I can use it over and over again (without having … |
| | Hey everyone :) Hope you can help Here is what I've done with the instructions given: I need to know the average price difference between the cash and credit prices. But i'm pretty sure that only comes in at the end. Here is what my this function is supposed to … |
| | Hello, I'm triyng to connect a camera to a VMR9 filter and I do the following: Create the filter graph Create the VMR9 filter Add the VMR9 Filter to the graph Create the video source filter and add to the graph Create an instance of capturegraphbuilder2 and reference it with …  |
| | Hello there, im writing code for my asteroids game and am nearly finished but ive come across a problem when trying to load the file the save game is written like this and works perfectly fine, it saves the things i want to a text file: [CODE]void WrapGame::save() { cout<<"enter …  |
| | So i read the "Flush Cin" post at the top of the thread and it just flew right over my head. I have a simple if statement that uses int values to determine where to send the user. If the user enters a char value it shoots itself into an … |
| | hi i am looking for some code and step by step instructions for the c sharp encryption and decryption process. if anyone is willing to send me some instructions i would be grateful. thanks Neville |
| | Hi to all. I am a beginner at C++ programming. I wanted to ask for some tutorials or videos from which I can learn.. I have done some small steps in programming before and I really love it. I am very interested in this area and I would be thankful … |
| | [CODE]/* functions: main >> output instructions input P1 name, p2 name loop{-clearscreen- output board, compute scores P1 or P2 turn, output scores input placement of next piece check coordinates and flip away} loop ends when a)P1_score+P2_score=100 b)checker declares there are no moves left c)Q is entered instead of proper coordinates …  |
| | Hi there, I have searched for an answer to this problem but cannot find one even though there is probably a very simple solution. I would like to pass an int to a function in pthread_create. I can do that easily. The troublesome part is when I have to cast … |
| | Hi, Ive written a program which is capable of sorting an array of ints e.g. array[6] = {4,6,-1,0,6,4} however i want to expand this so it will be able to order chars as well. With my code as it is, it will order chars correctly i.e. sort the numbers out … |
 | Here's the C++ code i did for myself: [CODE] #include <iostream> #include <fstream> #include <ctime> #include <cstdlib> #include <string> #include <cctype> void terminate() { const unsigned short SEC = 5; // constant for 5 times std::cout << "\nProgram will close in,\n"; // print for (int c=SEC; c>=0; c--) { if … |
| | I recently took upon myself the challenge of finding the actual subsequence in an array that yields the largest sum rather than just the largest sum. Example - if you enter {3,2,-5,4} in an array, my program returns {3,2}, since that yields the largest sum, 5. I thought myself rather … |
| | Hi, I'm writing a program for structural engineers that consists of a number of inherited classes. Specifically, I have a main() file which includes a class [I]element[/I] which includes a class [I]node[/I] which includes a class [I]matrix[/I]. [I]element[/I] includes variables of type [I]matrix[/I] and [I]node[/I], and [I]node[/I] includes variables of … |
| | I've got a simple question but I can't seem to find the answer in any of my searchs. I know this is very basic and probably will require 1-3 sentences but, when I use a pointer to pass it by reference to a function, will it use the actual location … |
| | Hello .. You have made a way to resolve code half-life, but missing something I want to help it .. Fuvction which solving the equation of the third degree in how to enter transactions have, I mean how can I insert s q v g Please help [code]#include <iostream> #include … |
| | Hello, I am trying to write a templated linked list, and I am having some difficulties with the add() function. It seems like different behavior occurs depending on how I add to my list, but my two test cases don't seem that different to me. I'll post the list.h, and … |
| | Hello every one am in real trouble now. i am in my 1st and last sem of my programing course. i need to write a program that can add delete display and update record. i got this program so far but the real prototype works fine for this program and … |
| | Hi, I have been trying to use the following code: VendingDisplay.h: [CODE]#include <stdio.h> #include <string> #include <vector> #include <iostream> #include "VendingMachine.h" class VendingDisplay { VendingMachine vend; public: VendingDisplay(VendingMachine); VendingDisplay(); void DisplayMenu(); void GetUserInput(int); int respondToUserInput(int); void processOrder(int); int processCorrectCash(float); };[/CODE] VendingDisplay.cpp: [CODE]#include <vector> #include "VendingDisplay.h" #include "VendingMachine.h" #include "Cigarette.h" //#include … |
| | I'm having a hard time understanding how to sort loops and the different types. I've read several articles, reviewed several programs, and still cannot grasp how to sort arrays let alone do anything else with them, I.E. add rows/columns, find the mode, ect... I know the different types of sorts, … |
| | Ok, somewhat easy task, but i dont know how to do it. Basically i need to take a currenty written dll file ( which i dont hae the source code for) and i need to copy all of the original content and i need to import some functions from another … |
| | Hello, I'm new to MFC and i have a small problem. I made an application containing a property sheet with 2 property pages and i defined the next,back and finish buttons to switch between pages. I implemented the functions of each page in its InitDialog. In the first page i … |
| | Hello All. This is my first post. I would really appreciate if you can help me in a project I have to complete as soon as possible anyway, the thing is this: I have a bunch of numerical data in any format (say an excel page with 3D vectors, or … |
| | My code: [CODE] cout.setf(ios_base::fixed, ios_base::floatfield); plan++; double Annually, Monthly, Daily; Annually = CompoundAnnually (principal, rate, years); Monthly = CompoundMonthly (principal, rate, years); Daily = CompoundDaily (principal, rate, years); cout << setw(3) << plan << "\t"; cout.precision(0); cout << setw(10) << principal << "\t"; cout.precision(1); cout << setw(7) << rate << … |
| | I have problem in count substring from a file that have sequence of string.After i run the code, the result should be bigger than 1 but the code still show the same result which is 1 every time i run the code.I don't know where are wrong. Any help is …  |
| | hey again i do that problem from my book, worked but i am pretty sure is not the exhaustive technique that book is asking cause i didnt have success and was too fast. i tried a counter and do 64x64 loops or 4096 loops. so my question cause i couldnt … |
| | Evening Everyone: I'm a bit of a newie with C++, and can't determine where to "declare" the functions in the following code. The compiler is stating I haven't defined the functions, but I've followed the instructors directions, and am now stuck. YAY! Thanks so much! #include <iostream> using namespace std; … |
| | Hi this is more a formatting issue and i was just wondering if anybody could let me know if my problem can be solved. In my program i am outputting four pieces of information on one line, all of them are numbers and one is an integer and the rest … |
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