51,593 Topics
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| | For some reason when i'm trying to declare a float function it gives me this error. But if i declare a void or any other type of function it works... any ideas? THANKS!! [CODE]#include <iostream> #include <cstring> #include <iomanip> using namespace std; void inputInfo(float *** rawScores, char names[ ][50], int … |
 | I am trying to find a way to find a median of individual parallel arrays, but I'm not sure how to start. One question I have, though....is an array the same as a list? I was told that it might be easier to do a bubble sort of a list, … |
| | I have an alarmingly strange situation. I fill my map with const char * and int values. When I try to "find" the one I want, it says it's not there. Here's the short version: [code=c] // tempText = "socialize" for( actionIter =actionMap.begin(); actionIter !=actionMap.end(); ++actionIter ) { if ( … |
 | Hello all, I am at it again this time incorporating MySQL database into C# code using Visual Studio 2008 first off the textboxes are databinded using details view... the issue at the moment is trying to not make bulky code and compare the value of txtDealName.text and mtxtDealNum2.text to what … |
| | So I can crop an image in cariomm and display it to the canvas, but what I want to do is crop the image and save the cropped image to a Cairo::ImageSurface so that I can paint just the section of the overall image to the screen with out have … |
| | I'm trying to move one big C++ string (with separators) like one below [CODE] & 12345 & 12345 & 23423 & 90323 & [/CODE] into 3x5 array like one below with the first group of numbers excluded char array[3][5]; [CODE] { '1' , '2' , '3' , '4' , '5'} … |
| | I need help cause i dont know how to use an array of pointer to classes. I've got in my main this: [CODE]gramma** letter;[/CODE] I have in an other class named classA this: [CODE]gramma** grammata;[/CODE] I construct in my main like this: [CODE]letter=new gramma*[number]; for(int i=0;i<number;i++){ letter[i]=new gramma(arithmos,&array);}[/CODE] What i …  |
| | Hello guys i need help, I need to write a program that count how many nubers can be divide in a interval from k to n, exemple in a interval from 1 - 10 theare "3" numbers that can be divide with 3, here is my program: 1. [CODE] #include …  |
| | I have been getting tutorialed by somebody who also learns C++ and gave me the code to make a new window, but the CMD also opens with that. The fact that cmd opens with that is not the problem, the problem is I dont think I was ready to move … |
| | This is my first post so please bear with me. I am bringing in 2 files into 2 arrays and then trying co compare the arrays to each other. When I compare the arrays, I am trying to find out how many locations have matching letters in both strings. ) …  |
| | The problem: Palindromes are words or phrases that read the same backwards as forwards. Write a C++ program that indicates whether each line on an input file, called sentences.txt and given on my homepage, contains a palidrome. Those lines of sentences.txt that are palidromes should be written to an output … |
 | Good day to all. I would like to ask some help regarding C++ sounds. I read some codes in playing sounds using C++ and this codes was based on WINDOWS. I would like to as if there is a possibility that I can play a wav file in LINUX using …  |
| | Hi, I have a linked list which stores base class pointers (which point to derived type objects). I'm trying to give this option to the user: [code=c++] cout << "Press 'n' then Enter to show next, 'p' then Enter for previous and 'q' then enter to return to menu" << … |
| | So on the last day of class, I've learned about vectors. They seem like linked list, which seem like arrays. They are all pretty much containers that will hold some object of some data type I believe. Why would someone use one vs. using the other? And is there one … |
| | Why turbo C++ compiler is not supporting in laptop(compaq CQ40,lanova 450) ????...........Is there any other compiler that support for laptops?????????? |
| | [CODE]#include <iostream> using namespace std; void pop(int s, int n) { for (int l = 0; l < n; l++) { for (int i = 0; i < n; i++) { cout << s[l][i] << "\t"; } cout << endl; } } int main() { int n, num; cout << … |
| | Hello I would like to start learning allegro but need some suggested sites, please help! |
| | Hi, this is pretty much my first post here. I just started learning C++ about a week and a half ago and I started working on a program that could compare pixels on the screen to see which letters they form (kind of like OCR). I probably know what you're … |
| | Studying for the final and can't remember the details behind the copy constructor. I know what it does, just don't know the "why" behind some stuff. Here is an example of a copy constructor I have. [CODE] Person::Person(const Person& aPerson) //m_variable=private variables { m_name = aPerson.get_name(); m_pBirthDate = new Date; … |
| | We need to create a program w/c print the payroll of a small company for a particular month. then...... We will be provided the employee name (20 chars) hourly rate(2 digits) and number of worked in a month(3 digits). COMPUTATIONS: GP=hourly rate * hours worked withholding tax is 12% of …  |
| | Hi there. I'm currently attempting to create a vector of structs whereby the struct itself contains a vector. The problem I am having is upon creation of the struct itself, throwing the following error. error:C2075: 'Target of operator new()' : array initialization needs curly braces. [code=c] struct DISPLAY_DEVICE_CAPABILITIES{ vector<int[3]> resolutions; … |
| | How to code for a 3D rectangle and how to scale or translate in visual C++ ?please someone help... |
| | Can someone help please! I need to search for a different set of strings like: 'fummy' or 'users' or 'logon' from a directory like this: C:\mycase\Nic..\ A Text document is stored in there LIKE: 544, Text Document, 45, 588 KB Can some help to write a script or python program … |
| | [CODE] class Key{ public: float m_XX; float m_SLP; Key(float XX,float SLP):m_XX(XX),m_SLP(SLP){} Key(const Key& key):m_XX(key.m_XX),m_SLP(key.m_SLP){} }; struct keyComp { bool operator() (const Key& lhs, const Key& rhs) const { if(lhs.m_XX < rhs.m_XX) return true; else return lhs.m_SLP < rhs.m_SLP; } }; class K{ public: int m_IND; int m_DIR; float m_XC; float … |
| | Don't know if this is the right place to post this but... I just started with SDL, and get the error: expected constructor, destructor, or type conversion before '*' token With this code: [CODE]#pragma comment(lib, "SDL.lib") #pragma comment(lib, "SDLmain.lib") #include "C:\Documents and Settings\Mikael\Mina dokument\SDL\SDL-1.2.14\include\SDL\SDL.h" #include <cstdlib> #include <iostream> #include <string> … |
| | [code] #include <iostream> #include <iomanip> { void DispalyStoreItems (); int ChoosingItems (); double calculateChange ( int , int ); { int cost; DispalyStoreItems (); cost = ChoosingItems (); calculateChange ( int pay , int cost ); system ("PAUSE"); return 0; void DispalyStoreItems () { std::cout <<"Code" << setw (10) << … |
| | [code] #include <iostream> #include <iomanip> { void DispalyStoreItems (); int ChoosingItems (); double calculateChange ( int , int ); { int cost; DispalyStoreItems (); cost = ChoosingItems (); calculateChange ( int pay , int cost ); system ("PAUSE"); return 0; void DispalyStoreItems () { std::cout <<"Code" << setw (10) << … |
| | i got a project that uses TooN and cvd libaries. i got the TooN and cvd source and headers files (downloaded from their sites) but i dont know how to add them to my project. i think i should make lib files and than add them to the project, but … |
| | The program calls for: Here is what the program calls for: Write a program that lets a maker of chips and salsa keep track of their sales for 5 different types of salsa they produce: mild, medium, sweet, hot, and zesty. It should use two parallel 5-element arrays: an array …  |
| | Any ideas on how would I be able to traverse this BTree in asceding order? right now I am sorting the data and giving it to my retreival() function to look for the keys. But naturally it visits and prints the data in ascending order because I give it sorted …  |
| | Hi, I am new to Dev C++ (and C programming iteself!). I was trying to write a project in Dev C++ and I faced two problems. I will really appreciate it if anyone can help: 1- I created a project and added one main file to it. There are some … |
| | I CAN NOT GET THIS TO WORK I THINK IT IS GOING WRONG IN THE INDATE FILES [code] #include <iostream> #include <fstream> #include <string> #include <iomanip> #include <cstdlib> using namespace std; void calculateAverage (ifstream&, ofstream&, double&); char calculateGrade (double); int main () { char grades [15]; double avg, average=0; int …  |
| | I need help deleting movie title from a data file. I did the code. And ido many of the task. I can make it delete. a particular movie title. Now the code just delete everything on the file. |
| | Hi, thanks for all the help with my code so far, I just have one more nagging chink in the chain. This is my code for saving my file which works as expected. [code] Person Bob = new Person(); Bob.CallSign = textBox1.Text; Bob.Freq = textBox2.Text; Bob.Time = textBox3.Text; Bob.fName = … |
| | Ok so this is an extra credit lab i have for any missed lab or replace for our lowest lab score for anyone has in the class. I'm not sure what im suppose to do with it the teacher just emailed us this info. If anyone can direct me to … |
| | I'm trying to take some information from a file and input it into an array so that it can be output on the screen, but I can't get this to work. Here's the kicker though....the file has to allow 100 test scores, but must end when it hits -999....any ideas? … |
| | Hello, I'm quite new to the world of C++ programming I just started to like and learn the language a year back. I have a problem which is related to sorting. Let's say I wanted to sort multiple array containers containing related elements. For example: [ICODE] Array1 Array2 Array3 Name … |
| | Hey guys, So I need to write a program that will prompt the user to enter the name of a .txt file, then count the occurence of each letter. It should print out the results on the screen and ask the user to enter a .txt file name to store … |
| | I'm trying to design a program that will input ages of 50 active duty Navy personnel and then finds the average age of current active duty Navy members. Here is my current pseudocode, could anyone tell me if there are errors? [code=text] Declare age[50] as integer Declare Sum, Average as … |
 | I am trying to make a division and with the answer I want to separate the decimal and round it to two decimal points. After this, I want to assign the decimal part to another function. Thank You |
| | [B]Hi, I need urgent help on my assignment...please don't assume I'm asking you to write my program..I just need a guide to start. I've lost my USB so I lost all my programs, and all the notes etc from class and I've been sick lately so haven't been attending class … |
| | I am having major trouble with a fraction program. i spend hours fixing the errors and it still does not work. this link provides the instructions: [url]http://web.jjay.cuny.edu/~sbakiras/mat272/assignment3.pdf[/url] this is my code:[CODE] #ifndef RationalNumbers_H #define RationaNumbers_H class RationalNumbers { private: double numerator; double denominator; public: RationalNumbers(); RationalNumbers operator+(const RationalNumbers &); RationalNumbers … |
| | For my final project in COSC I, I am supposed to make a semi-poker simulation. Right now I am having trouble determining when the given hand is a fullHouse. Here is the whole program so far. [CODE] #include <ctime> // time for random number seed #include <iostream> #include <cstdlib> // … |
| | I'm getting the error message "Error: expected initializer before 'sum' " from line 9 of my code when I try to compile my program. I can't seem to figure out why it would be throwing this error. Any help would be great. Thanks! [CODE] #include <iostream> using namespace std; struct … |
| | I`m trying to program this tic tac toe game, I have the screan printing like I want it to, but I don`t know how to take the user`s input and change the numbers in the array to an "X" or "O" depending on the user`s input, and upgrade the grid, … |
| | I am trying to create a dictionary program, just for fun. I doubt I will ever get past twenty words. But this program has a problem. It always goes to the word, no matter what I type in, or press. Here is the source code: [code=c++] #include <iostream> using namespace … |
| | Hey guys, I'm working on my final project for first semester of Freshmen year and I have a favor to ask of you guys. This project is very important for the final grade, so I'd love to know if I've made any errors so far? The program works, but I … |
| | I am tring to convert std:string to char* in several way, however non of these work: first way: [CODE] char* c_levelMapFile = new char[levelMapFile.length() + 1]; strcpy(c_levelMapFile, levelMapFile.c_str()); ifstream myfile(c_levelMapFile); myfile.is_open(); // returns false [/CODE] second way: [CODE] const char* c_levelMapFile = levelMapFile.append("\0"); ifstream myfile(c_levelMapFile); myfile.is_open(); // returns false [/CODE] … |
| | [QUOTE]I have an assignment that requires me to use an array, menuList, of struct menuItemType with members string menuItem and double menuPrice. I have to display the menu, let the customer order, total the bill including tax and print the check. Function getData had to load the data into the … |
| | Hi i have a question about inputting to char*. For instance,i have made a class "Name",and am passing my constructors in as follows [CODE] Name* n1 = new Name("Nelly the elephant"); [/CODE] [CODE]Name::Name(char* name){ this->name = name; }[/CODE] But i am confused as to how i would code my addName().Ideally … |
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