51,593 Topics
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| | Hi - I'm trying to make a databse with the produkts from McDonald, but i can't figure out how. It is supposed to both read and write. Here's what i've made so far... Hope U understand: #include <iostream> #include <fstream> using namespace std; struct Menu { char navn[50]; int pris; … |
 | Hi there I need help writing a data structure to hold and assign data to a particular unique ID. I think I want an vector of structures: struct Data { int ID; double latitude; double longitude; int speed; int altitude; }; I receive messages in the above format, they can …  |
| | How should i implement the very basic singly linked list in C++, i am having a paper in just 20 days and i dont know a bit about this stuff,,, How to add data to it ,, as there is only one data item in single linked list and one … |
| | How do I save the inputs given from Edit control into a text file??? I am really new to Windows programming.Can someone please help me out. Thanks in advance. |
 | Hello to everyone, i recently started to learn c++ with this book "Jumping into C++" from Alex Allain. In this book there is an example of a program to get the prime numbers from 0 to 100 that Im not understanding! For what I think I understood the second loop … |
| | hi! i want to open a word document directly from a windows form application running on visual studio 2010! i tried a particular code but it wont work!!! this is the code! [CODE]this.Application.Documents.Open(@"C:\Test\NewDocument.doc");[/CODE] i also imported and used the following header: [CODE]using Microsoft.Office.Interop.Word;[/CODE] it says that the word application does …  |
 | http://www.amazon.com/Primer-Plus-6th-Developers-Library/dp/0321776402/ref=sr_1_2?s=books&ie=UTF8&qid=1354763661&sr=1-2&keywords=c%2B%2B+primer http://www.amazon.com/Accelerated-C-Practical-Programming-Example/dp/020170353X/ref=sr_1_1?s=books&ie=UTF8&qid=1354763739&sr=1-1&keywords=accelerate+c%2B%2B http://www.amazon.com/Primer-5th-Edition-Stanley-Lippman/dp/0321714113/ref=sr_1_1?ie=UTF8&qid=1354763774&sr=8-1&keywords=c%2B%2B+primer Beginner's guid. I am new to programming. about 3 months experience. maybe 2. I hope to develop applications for widnows later.(not GUI). mostly system software. what is the best boook? |
| | This is a topic we didn't cover in class so I am lost on what is going on, any pointers would be greatly appreciated: ~Given the following numbers ... 25 72 122 ... and given the following hashing function ... hashvalue := (i*i) mod 97 ... and using Linear Probing, … |
| | I am trying to get a good understanding of what's happening in the following question: ~Given the following numbers in array A ... 47 43 20 24 32 44 35 ... what are the numbers that would result from a Pre-Order Traverssal of the Binary Tree built using the above … |
 | Seemingly, bitmap resources within my file are becoming somehow corrupted. My code has resource bitmap image, when ran, it searches the screen for that image and returns its xy location. Runs fine and works fine at least once, and sometimes more, but then fails to find the image. When I … |
| | I'll try to keep it brief. When I try to pass the 'list' vector to the counter function my compiler throws an error of: "error: request for member size in count, which is of non-class type std::vector<int>*" Googling hasn't produced anything quite what I'm looking for syntax wise. If someone … |
| | The local baseball team is computerizing its records. Write a program that computes batting averages and other statistics. There are 20 players on the team, identified by the player ID 1 through 20. You will have two input files: roster.txt and statistics.txt 1) The Roster File (roster.txt) - This file … |
 | ** Compile program functions for: -Enter of a keyboard and a file into an array (by adding) data to 30 girls in the competition "Miss World" number, name, surname, date of birth, physical data, state and display the current contents of the array on the screen -display output data for … |
| | Here is the exercise: > fileWord > Write the definition of a function named fileWord that receives a string argument that is the name of a file containing words. > > The first time the function is called, it returns the first word of the file whose name it was … |
| | Help, I'm getting the following error message: error C2040: 'money' : 'double' differs in levels of indirection from 'char [15]' error C2088: '>>' : illegal for class #include <iostream> #include <fstream> #include <iomanip> #include <string> #include <sstream> #include <string.h> using namespace std; string FileName; void starline(); float balance; float deposit; … |
| | Hey, I'm developing a program in which there are two classes. The purpose of one of them is to create vectors that change dinamically (class A) and the other is a bunch of methods to operate on these vectors (class B). The question is: I don't see any need to …  |
| | #include <iostream> #include <string> #include <fstream> #include <vector> #include <sstream> using namespace std; struct Uzenet { string honap; int nap; string time; string computer_name, szolg_name, massage; }; void kiir(const Uzenet &uzenet) { cout << "Az uzenet ideje: " << Uzenet.honap << " " << Uzenet.nap << " " << Uzenet.time; …  |
 | Hi, I need to read byte by byte data from header-like file. The format of the file is in the link, please take a look http://imageshack.us/photo/my-images/96/tablefu.jpg/ I dont need the first 128bytes and I need to get the next 4 bytes. My code is like below: char* icm_name = "Samsung_to_Cannon.icm"; … |
| | I want to develope an ETL application for Data Ware House Project (Decision Support System) for university, i am extracting data from, Excel, Access and CSV format files, i have done the extraction, but now the problem is the Transformation of Data, i have to clean it and standardize it, …  |
| | Actually i want to find a probabilty of a name spelling wise e.g Malik, Malique, Malick, Malik, Malicq, Malique, Malik, Malike, Maliqk, Maliq, Malik, Malick, Malik, Malique, Malik now in above example the probability of "Malik" is high spelling wise that is 6 so is there any algorithm or logic …  |
 | Hi double[] MyArray = new double[10]; I have 10 numbers and I get average of them. But how can print out how many of the numbers that are smaller than average, and how many of the numbers that are larger than average? |
| | I am working on C++ coding for Shape.cpp and in the square I am getting scientific notation as the for the area and perimeter. Can anyone please tell me what I am doing wrong. Thank you. Here is my code #include <iostream> #include <sstream> #include <vector> #include <string> using std::ostringstream; … |
| | I'm used to if/else. Can someone tell me if this correct or not. It's not pulling up an error but it's not outputting what I want it to output either. Thank you! char pick; cin >> pick; if(pick == 'a' || pick == 'A') stuff inside here //For case switch... … |
 | So, let's say i have this on a file: #include "MyFolder1\MyFile1.txt" #include "MyFolder1\MyFolder1SubFolder\MySubFile1.txt" #include "MyFolder2\MyFolder2Sub\MyFolder3Sub\MySubFile1.txt" What i'm trying to do is to make a project tree, it's well explained on the sample up there. But the issue is, should i be using [QTreeWidget](http://qt-project.org/doc/qt-4.8/qtreewidget.html) or [QTreeView ](http://qt-project.org/doc/qt-4.8/qtreeview.html) for it? But that's …  |
| | I am trying to write a program that reads words from files and then puts them into arrays and then does a count on certain words. I have moved stuff around and really I am not sure that I am even on the right track. Could someone please look at … |
| | I'll keep the story short here but to sum things up: I have always liked computers. Hardware has always been my thing. I have my own custom built desktop and love changing and messing with it every day. I also work (part time) as an IT guy for small business. … |
| | Hello guys! I'm a beginner in C++ programming and I've a (stupid, I think) doubt about how to pass an object's class into another class. Suppose we have these two classes: class A {...} class B {...} and I want to use an object from A into B. For example: … |
| | So I need a little help on this, What this program is supposed to do is have the user input there checkbook.txt into the program which looks like this deposit:July 7:-:300 416:July 8:Albertsons:15.85 417:7/9:Checker Auto:19.95 418:7/10:Super Target:47.50 419:Dec 5:Home Depot:47.89 Once the users enters there data into the program it … |
| | Hello, I have a homework assignment due for my Intro to Programming class, I have no idea what I am doing and wanted some help. I complete it in RAPTOR and generated the C++ code from there, but my professor doesnt want us to do it like that, he wants … |
 | #include <iostream> using namespace std; class Burger { private: double patty; double bun; double cheese; public: Burger(); double getPatty(); double getBun(); double getCheese(); void setPatty(double p); void setBun(double b); void setCheese(double c); double hamburgerCalc(Burger b); double cheeseburgerCalc(Burger b); double dcheeseburgerCalc(Burger b); }; double Burger::hamburgerCalc(Burger b) { double bun = b.getBun(); … |
| | I have the below class that yields this error for the lines I commented. The error I get is ISO C++ forbids taking the address of an unqualified or parenthesized non-static member function to form a pointer to member function. Say ‘&FD_Euro_Put::f’ The signature for Forward Euler is: Eigen::MatrixXd B::Forward_Euler(double … |
| | Hi, How I can solve this integration numericaly in C++? integration{x * exp(-itx) / [a*x^3 + b*x^2 + c] } ; (Interval for x is from -inf .. inf) & (t ,a ,b ,c are constants); |
| | I just started to learning how to use classes and specification files. For some reason i keep getting an error saying `length' undeclared (first use this function) #include <iostream> #include <fstream> #include <string> #include <cctype> using namespace std; const int MAXSIZE = 50; typedef string ItemType; class List { public: … |
| | Dec 7, 2012 at 11:18pm Im trying to create a bank account. In the bank account the user creates an account and puts whatever amount they want to open account. after account is created they can go to withdraw or deposit and add or subtract additional monty from the account. … |
| | Hi I would like to write program that calculate the sum of all integers from a minimum number up to the maximum number.by using the following formula? sum = 1/2 * number of integer * (minimum numbers + maximum number) How can I do it?  |
![Member Avatar for Prysm[VA]](https://static.daniweb.com/avatars/4/member1029500.jpg){kind=small} | Alright guys, I've been looking at this on google and I can't seem to find an answer. Any help is definitely appreciated! Here is the code, then I will explain my problem. void printMenu() { cout<<"||============================||"<<endl; cout<<"||=========Main Menu==========||"<<endl; cout<<"||===1.Begin DNA Creation"; cout<<"||===2.Load the Files"; if(!dna1[].strand1){ cout<<"<0>";} else{ cout<<"<"<<sizeof(dna1.strand1)<<">";} cout<<endl; cout<<"=========||"<<endl; … |
| | I Need to create a random number for a bank account. When the user presses the submit button after entering personal info a message box with their account number is supposed to appear( ex:"Your account number is 1000550") after the account number is created the user can go to a … |
| | this is how my data in txt file: 1--2--3-- 3-4-4-5-- -7-3-4--- 7--5--3-6 --7---4-- 3-2--4-5- ------3-- 2-6--7--- 4---4--3- is my c# code to do file reading with the display too: public void populate_grid_by_file() { int counter = 0; string line; // Read the file and display it line by line. System.IO.StreamReader …  |
| | Hello so I finally was able to read intergers from a file and put them in an array. Now I have to put those numbers in different arrays. If they are even they go to the even array if odd go to the odd array. Now I thought this was …  |
| | Hi I have a project where Im creating a bank account. In the bank account the user is supposed to choose either checkings or savings from a combo box. once that is selected and the user presses submit button the selection is supposed to show up under a label in …  |
 | hello i have a problem in cin characters this is my code //file LE.h struct nodetype; const int SIZE=81; typedef char dataline[81]; typedef nodetype *nodeptr; class LED { public: LED(); ~LED(); void insert(dataline lines); void Delete();//delete currnt line void move(int num); int cnt();// To Find Number Of Nodes. void list(); … |
| | I'm having trouble with a couple of things in my program. I want to create 3 different players and then record their scores to a file called highScores.txt I need to also come up with another game that features an array in it (i would put this in the place …  |
| | have a simple question about working with files . when Im reading a txt file like this example Hello how are you. fine thank you. when I read it how can I find out there was an endline or not ? |
| | hi all. i am a student and i have been lucky enough to try out the havok engin which can use c++. as it is the engin i am using i cant use openGL otherwise ide not have this problem i want to give an object in 3d space a … |
| | After you enter a name, it just prints out "Would you like to convert another name? (y/n) " it doesn't even give the user a chance to enter anything and it doesn't print out the converted name. It just ends...Why? #include<iostream> #include<string> using namespace std; void conversion(char name[]); void lowercase(char … |
 | Hi all. I've taken a long break from my C++ studies but I'm now being shoved into finding an internship for school so I figured I'd play around and brush up on my coding. I've written this simple tabata countdown timer and I would like opinions on how it could … |
| | I am using Visual studio 2005(.NET framework 2.0) .My project is window application and using c# language. We are having word templates created in office 2003, 2007 and 2010. I want to search text (string) in word template (.dot/.doc/.docx).This text is exist in two places in word doc : 1) … |
| | Hello, I'm just having a heck of a time trying to figure our the answer(s) to the following questions: 1. Declare a struct type, Time, that represents an amount of time consisting of minutes and seconds. 2. Write statements that assign the time 6 minutes and 54 seconds to a … |
 | Heyall. I'm trying to use the sqlite3_exec function and am having trouble with the callback feature. I've placed my code below. I realise the callback function provides and argument void *data and the sqlite3_exec function provides a const char *data variable. That is where I'm getting the error. I've searched … |
| | It seems I don't understand completely reading from and into files, line by line. Here is my code that is supposed to read lines of two file, into string variables, I assume, and then write them into third file: *line of first file line of second file .... so on … |
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