51,593 Topics
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| | I got this question: Create a SavingAccount class. Use a static data member annualInterestRate to store the annual interest rate for each of the savers. Each member of the class contains private data members: firstName, lastName, and savingsBalance to indicate the amount the saver currently has on deposit. Provide member … |
| | Hey there! First off let me say that this is for an assignment and i would of rather used a singular array. Also i'm pretty sure that the TA wrote this assignment cause some stuff is ass backwards to create the illusion of the arrays starting in the bottom left … |
| | i am trying to write a program to play the Battleship game;It is not a homework problem just a practice problem. The instructions are: set up a coordinate grid, select your own ships and locations while the computer selects its own; launch missiles by entering coordinates and accept hits from … |
| | Hello, I think I have the right location for this thread. I'm working on a C++ project where I need to create a GUI. I'm using wxWidgets, which is cross platform compatible. Now I know that Cocoa/Objective-C/not C++ is the option of choice for GUI programming on the Mac, but …  |
| | Hello all, I am currently a student doing an end-of-year software project - and I need some help. I am currently trying to return a 2D array from a function contained in a header file. The function is called from the main() and asks the user to input the location … |
| | This is one part of my program, I need a loop that checks through the input(specifically the agent numbers) and then outputs the agent numbers that aren't in the input, from 1 to 20(because there should only be 20 agent). [CODE]void not_part() { ins.open(in_file); int i=0; int sum=0; cout<<"AGENTS WHO …  |
 | OK... I have a program that runs and sends output to a game window. It is a magic roleplaying game online. I am using getpixel to look for when my energy is down and then I send a double click to my healing potions. All is well and working. This … |
| | I need some code that checks the number of characters entered and if it is not seven it needs to display "Error not enough numbers" i already tried (strlen(pin_code) == 7); but it says invalid conversion from int to const char... It needs to not conflict with the checking of … |
| | So it's been a while since I've coded (a quarter) and I'm taking a data structures II class. I have an assignment where I have to implement a C++ Class named LongInt that uses an embedded internal private data member of type STL list<char> to represent the list of each … |
| | Hi all, I have had a look around the forums but i could find anything, if someone could point me in the right direction for this. What is the best way to handle an sql connection, in my program I have to get data from the server on a button …  |
| | I am just starting MS Visual Studio 2005. My laptop has a 64 bit Intel microprocessor and the OS installed is 64 bit Windows 7. I created a DLL in VC++ 2005 using a Export Definitions File (.def) and then created an application on VB to test it. The entire …  |
| | hello am doing a library program. i am almost done with it. but now my problem is i have to make the record update section work as each of the record can be updated separately. so far i think of making another menu and do it like that. now my … |
| | [CODE]#include <Windows.h> HWND hgMainWnd = 0; bool InitWindowsApp(HINSTANCE instanceHandle, int show); int Run(); LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR pCmdLine, int nShowCmd) { if(!InitWindowsApp(hInstance, nShowCmd)) return 0; return Run(); } bool InitWindowsApp(HINSTANCE instanceHandle, int show) { WNDCLASS wc; wc.style … |
 | If I have a templated storage class, how can I create a specialized template for nested storage class. I already know how to specialize pointer template, but I don't know how to specialize this. EG: [CODE]template <typename Type> class Array { ///Array class code }; int main() { Array<int> rob; …  |
| | hello all, I am writing a program to test sorting times, and I am having trouble with my quick sort. essentially, my quicksort is not sorting and I am having alot of trouble with it. Does anyone see any real problems with my implementation? Thanks! [CODE] //-------------------------------------------------------- void quicksort(name_t *&charArray, … |
| | Hi, I have the following code. and it works fine. [CODE] class base { public: base() {}; virtual ~base() {}; virtual void foo() = 0; virtual void boo() = 0; }; class derive2 : public virtual base { public: derive2() {}; virtual ~derive2() {}; virtual void foo() {}; }; class …  |
| | My class did a practice program and worked thru it however i was absent due to illness but i was sent the parameters they used for practice. I attempted it on my own but i was unable to figure it completely but i did get part of it down before … |
| | Hi all, I am writing a program in which there is a part that computes all the possible values for two vectors of string patterns, one like 1XX78X9X32X (11 digit) the other like 26XX (4 digit), using digits from 0 to 9, and that passes all these possible strings to …  |
| | Hi Guys, I am trying to make a connection with Oracle 11g which is installed on a server 2008 BUT have problems with the ConnectionString. Could you please let me know how I set a correct connection String while I have parameters like these: Database name: GISData Server Name : …  |
| | Hello there guys I have a noob question I just want to ask what is syntax declaration? Is it the program source code itself? help me please I'm a bit confused... |
| | hello frndzz... just wrote a piece of code in c++....bt this didnt create any .DAT file as expected.....dun knw wats wrng.... #include<fstream> #include<iostream> using namespace std; class person { int age; char name[40]; public: void get() { cout<<"enter age:"; cin>>age; cout<<"enter name:"; cin>>name; } void show() { cout<<"age is:"<<age<<endl; cout<<"name … |
| | // i dont know why the part below bunny class doesnt work properly help line: 223 i allocated a class array but i can figure out why it doesnt work [CODE=c++] #include "stdafx.h" #include <iostream> #include <ctime> #include <string> int p[100]; // global varialbe int times=0,last=0; void ruleta() { for … |
| | can any one help me by giving the complete program on airline[COLOR="Red"] reservation system in c++[/COLOR] language its for my project |
| | okay i've got a problem with this code its going to be a apart of a word guessing game, the problem is that my code reads the file i want it too, but when i ttry to guess the letter it will only read the first letter, i know that … |
| | Hello, I am having a problem when I am trying to create a new node. The problem is on line: [CODE] tnode->lc= new cttNode; [/CODE] Here is the template the problem resides in: [CODE] template <class B> int ctt<B> :: insertIfNew(const string &key, const B &index) { cttNode<B> *tnode= root; … |
| | Hi Got a webBrowser control on a form displaying ads from a server, trying to load page in the default browser when user clicks on a banner within webBrowser control, by default the control always load pages within IE Browser which is not really what one wants. This is about … |
| | Hi, I've got an assignment at school that I would really like help with. I'm a total newbie. [code=c]#include <iostream> using namespace std; int main() { char chr=(char)67; unsigned int offset = 1000; char * ptr=(char*)0; ptr+=offset; cout << ptr[0] << (char)43 << (char)(chr-24) << endl; } [/code] The questions … |
| | I have a major concern about this. Recenlt i am doing a sequenclick game. in 16 boxes, when start, there are randomly 16 different numbers coming up.  |
| | Hello, im a noob with C++ at the moment and Im trying to create a BMP image from pixel data stored in a array. Everything seems to work except that when i look at the file generated in a hex editor i get an extra '00 00' in between the … |
| | Hey everyone!! I am having trouble printing the whole of a multidimensional char array. [CODE] #include <iostream> using namespace std; int main(){ char array [5][10] = {"---------", "| |", "| |", "---------"}; cout << array << endl; system ("pause"); return 0; } [/CODE] It just gives me random numbers and … |
| | please any one give me the code of this program using nested for loop * ** *** **** ***** please see attachment for correct question |
| | Hi all, I just want to ask about setprecision because I'm a bit confused. here's the code: [CODE] #include <iostream> #include <iomanip> using namespace std; int main() { double rate = x; cout << fixed << setprecision(2) << rate; }[/CODE] where x = to following: the left side of equation … |
| | I was a C++ trainer for 3+ years and now am a developer with a software company. Last week, i had to undergo a C++ test on [url]www.brainbench.com[/url], as a part of my company's internal assessment. I scored 3.5 in the test (I'd gone unprepared at all). Can someone please …  |
| | im trying to get this function to show the numbers that are not on the list in the input file, i've written this and it doesnt work, i know theres sometihng wrong with it but im not sure what it is? or how i can fix it to make it … |
| | OK! i have a problem. I'm making a game with a character you control and theres monsters that move when you do and when you run into a monster i have it so you lose 1 life. (iLife --; ) i set iLife equal to 4 at the start. if … |
 | I know the how to fill a magic square but there is a problem in the code. The algorithm is like below: 1-Put number 1 at the second column of first row. 2-Put the next number one upper row and one behind column. 3-If the cell mentioned in the last … |
| | Hi guys im trying to generate 5 random numbers that return a string so i can compare it to a file. so far i have this but i have no idea how to make it a string. Since i have to compare it to the file i mentioned earlier. This …  |
| | Hi! For the past few months I've been self-learning C++ with the book "C++ Primer Plus" by Stephen Prata. After having gotten through chapter 7, I decided to check my progress by writing a little program, Baztro. Baztro stands for Basic Astrology Tool. It asks you for birthdate(s) and will … |
| | Hi, I'm new to programming and I'm doing a course in uni. I'm currently using "Dev-C++". I've been away on holidays and haven't been able to grasp the work we're doing now. I would really appreciate it if any of you C++ programming geniuses helped me with my work as … |
| | Hi Guys, I am trying to make a connection with Oracle 11g which is installed on a server 2008 BUT have problems with the ConnectionString. Could you please let me know how I set a correct connection String while I have parameters like these: Database name: GISData Server Name : …  |
| | I have to "re-write" the program that I wrote before. Here is the prompt of what to do: Overview For this assignment, re-write program 7 so that rather than using multiple arrays to hold the player information, it uses a single array of structures. The structure that will be used … |
| | I'm getting a "IntelliSense no default constructor exists for class "Person" line 71." Also am getting error c2512: 'Person:' no appropriate default constructor available... There is a constructor there which confuses me on why I'm getting an error? [CODE]#include <iostream> #include <string> using namespace std; class Bio { public: Bio(); … |
| | Hi! Im finishing up a lottery number generator and the only part im kinda lost in is the binary search part. I have two strings = input[], random; I have to go through each subscript and check if it matches my already random generated number. Thanks in advance to those … |
 | The program below crashes anytime I run it, can anyone tell what I have done wrong?. [CODE] #include <iostream> #include <cstring> using namespace std; class Human { private: char *fname; char *srname; char *phone; public: char * getFirstName(); char * getLastName(); char * getPhone(); Human(char *fn, char *sn, char *ph); … |
| | Program is suppose to convert binary to hex.. it says that i need a class/struct/union to the left of ".substr" but im pretty sure convert should be working.. [CODE]#include <iostream> #include <string> using namespace std; int main () { string convert [8]; string bin[16]= {"0000", "0001","0010","0011","0100","0101","0110","0111","1000","1001","1010","1011","1100","1101","1110","1111"}; string hex[16]= { "0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"}; … |
| | My professor gave us an assignment to Convert the following 2 numbers to binary, octal and hex. 3.567, 0.032432 which would be easy if the numbers given weren't in decimals. I'm using the % operator and that can't be used by float... I'm lost. Can someone give me an idea … |
 | Hi all, Ive been trying to find a seek method for StreamReader. I want to be able to reverse the file buffer by a couple characters at a time. How I have everything set up. [CODE] private void SortThread() { string[] lines; string line, totalLine = null; char[] fileInput = … |
| | I am a 22 year old college gal currently enrolled in a c++ course, and we are on the topic of recursion. I understand how it works and have completed several other exercises on the professor has listed in the book, but this one has me stumped. Is there anyone …  |
| | Can someone help me out with this program. Programming problem – This program must meet the following criteria: 1. Character reading loop: i. Requests the user to enter a character at the keyboard 5 different times. ii. Reads in each character using getchar () within the loop. iii. Verifies that … |
| | Hi, I have a program which needs to accept a date, it can only accept under 30 days, and the entry has to be over 0 My problem is that it accepts anything, it doesnt make sense because i have used the exact layout on other bits of code which … |
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