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Member Avatar for noctiskram

the only problem in this code is i must use longer username and password like for example dani and the password is web, not d and w only. this is very easy but i didn't make it, please help me with this. In this program, after you log in you …

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Member Avatar for superjj

Hi I'm working on a project. i'm using c++ gui windowns forms. when people press the red cross, then the program need to do something before exiting the program. can someone tell me how to make this. what event I need to use. thanks in advance

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Member Avatar for jimmymack

// student.cpp - Script 9.7 #include <iostream> #include <string> // Declare the Person class. class Person { public: Person(std::string theName); void introduce(); protected: std::string name; }; // Declare the Teacher class. // Teacher inherits Person. class Teacher: public Person { public: Teacher(std::string theName, std::string theClass); void teach(); void introduce(); protected: …

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Member Avatar for fclopez

Hi , A simple stupid question: I am to read the contents of a file that goes this way RXbytes = 0 b TXbytes = 0 b RXbytes = 3 Kb TXbytes = 2 Kb RXbytes = 119 Kb TXbytes = 6 Kb RXbytes = 189 Kb TXbytes = 5 …

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Member Avatar for montjoile

hi. Im trying to make an expresion tree for every ER that I read each ER will be transformed into postfix and saved in a string, which I'll be sending to arbol_expresion() to create it`s tree expression Searching on the web I found a method to convert the postfix expresion …

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Member Avatar for Trustify

I don't know what I'm doing wrong but I open my filed correctly but it doesn't display the contents in the file. Please help. [CODE]#include <iostream> #include <fstream> using namespace std; int main() { const int SIZE = 81; char input[SIZE]; fstream dataFile; dataFile.open("info.txt", ios::in); dataFile.getline(input,SIZE); system("pause"); return 0; }[/CODE]

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Member Avatar for VernonDozier

I've done Hello World programs with Visual C++ Express 2010 before, but I always checked the "Empty Project" option. This time I selected a Console project and took the defaults. Program is below. [code] // HelloWorld.cpp : Defines the entry point for the console application. // using namespace std; #include …

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Member Avatar for mi2010

I want a c++ code to : play a segment of awave between two times entered by the user. for ex :to play a wave between 4 and 100 seconds.

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Member Avatar for rena0514

My program is suppose to create a two dimensional array that is read from a file. And use a recursive function to find how many white areas ('w'). My program runs with no errors but i cant get any response from my recursive function. Cpp file: [CODE]/* This program accepts …

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Member Avatar for Saith

First, my program works. I'm posting my code for my own personal benefit with the help of your guidance to know of any better way of handling this code. I was considering the use of [CODE] while(cin >> grabname) [/CODE] to possibly continue grabbing from the input stream until '\n' …

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hello, i wrote a little program, but There are some problems. Can anyone help me? here is the code: [CODE]#include <iostream> #include <math.h> #include <fstream> using namespace std; bool tikrinimas(const char *filename) { ifstream failas(filename); return failas; } int main () { tikrinimas("example.txt"); bool failas; if (failas==true) {cout << "good";} …

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Member Avatar for gregarion

Hey guys, i been trying to tokenize a string using the boost library. [CODE]int main(){ using namespace std; using namespace boost; string s = "This is, a test"; tokenizer<> tok(s); for(tokenizer<>::iterator beg=tok.begin(); beg!=tok.end();++beg){ cout << *beg << "\n"; } [/CODE] The problem i am facing currently is that i am …

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Member Avatar for shadowscape

Hey, im trying to create a string like the following in c++ but am unable to find a example in the internet in order to help me as im new to c++ and still trying to learn. [B]XXXXX-XXXXX-XXXXX-XXXXX[/B] [QUOTE][LIST] [*]Custom Length [*]Custom Block Size [/LIST][/QUOTE] if someone would mind how …

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Member Avatar for choboja621

Can anyone help / teach me on how to build shapes, specifically face shapes, in c++? We are assigned to build something like that and Im having a very big trouble abt. it. Any comment will do. Sites, Sample Programs, and just about anything connected to it. The header file …

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Member Avatar for l1nuxuser

hello c++ dev team!!! i need lilibit help from you. like i write in my prevois thread i bulding now lab mangement, and tks to you i passt the SQL lavel, (tks lot)!!! so i'am stuck now in the view step, that meen when the seller well open the software …

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Member Avatar for jimmymack

[CODE]// student.cpp - Script 9.7 #include <iostream> #include <string> // Declare the Person class. class Person { public: Person(std::string theName); void introduce(); protected: std::string name; }; // Declare the Teacher class. // Teacher inherits Person. class Teacher: public Person { public: Teacher(std::string theClass); void teach(); void introduce(); protected: std::string clazz; …

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Member Avatar for Euphan

I need to keep my coding skills up to snuff, but I'm having kind of a block. I don't know what to code. Anyone have any idea of some small projects that I can work on? Perhaps ones that would look good if i sent them to companies? Don't ask …

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Member Avatar for aaronmk2

I commented by the last line. I am trying to print out the string in reverse. [CODE] #include <iostream> using namespace std; void add(string n); int main() { string B ="ABCDEF"; add(B); } void add(string n) { if(n.length() <= 1) { cout<<n[0]<<endl; return; } else { cout<<n[n.length()-1]; add(n[n.length()-1]); //this lines …

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Member Avatar for munitjsr2

When reading books I was thinking that data hiding was to hide the data from the user so somebody who is using a C++ executable is an user and data hiding is implemented to hide the hide the data from the user( somebody who is using the exe file produced …

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Member Avatar for kas04

The Predator‐Prey game is a simple board game where bugs (predators) and ants (preys) move freely across the board. The following is a description of the game rules: -Predators and preys move on a 2‐dimensional closed grid -Predators and preys are not allowed to move outside the grid -The game …

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Member Avatar for custurd122000

The compiler only displays a portion of the output and then it exits this is what it compiles: [code] =============================================== Operations on Empty lists: =============================================== Size = -886911509 Length = 0 empty list: Sum of two empty lists: Program received signal: “EXC_BAD_ACCESS”. sharedlibrary apply-load-rules all stringlist(2449) malloc: *** error for …

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Member Avatar for gladtoplay5

I have been working on some code that calculates your BMI and then puts you into a category based on that. every time i try and run this program it either tells me that I am in the underweight class or the average class and I have no idea why …

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Member Avatar for sfuo

Hey I am running into a problem with CoCreateInstance() in a program that I am using to try to disable all the network adapters. When I try to use [CODE]hr = CoCreateInstance(CLSID_ConnectionManager, NULL, CLSCTX_LOCAL_SERVER | CLSCTX_NO_CODE_DOWNLOAD, IID_INetConnectionManager, reinterpret_cast<LPVOID *>(&pNetConnectionManager) ); [/CODE] I get two errors. undefined reference to `_IID_INetConnectionManager' undefined …

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Member Avatar for ghost_from_sa

Hey guys I've been asked to create an array of objects on the heap for my assignment but I cant seem to find any examples that explain it well enough on the web. So what I got is: [CODE]//Heabder File class Wheel{ public: Wheel() : pressure(32) { ptrSize = new …

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Member Avatar for munitjsr2

[code] #include <iostream> #include <vector> #include <algorithm> using namespace std; class A { public : void getData(); void putData(); bool operator==(const A &) const; private : int x; char name[90]; }; vector< A > v; void A :: getData() { cout << "id = "; cin >> x; cout << …

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alright I need help and at this point I am desperate. Been working on this for a couple of days, mostly typing and then hitting the Edit/undo! This is a homework project. What the project is supposed to do is: 1. open a text file(einstein.docx) 2. Prompt user for a …

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Member Avatar for predator78

Well I been studying like a rabid dog foaming at the mouth since I have a higher level language under my belt and my initial failiure at c++ as a first language. Anyway getting near the end of my first little tutorial and have a few more questions. 1. I …

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Member Avatar for GhostMonkey

Hey, I've got my code finished but I need a working exe file but I cant find where it is. The only files I have are the source codes and a sql server compact edition database file whatever that is, which I cant open. Anyone know where I can get …

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Member Avatar for jimmymack

[CODE]// rational.cpp - Script 9.5 #include <iostream> #include <string> // Declare the class. class Rational { public: // Constructor: Rational(int num, int denom); // The overloaded methods that implement // arithmetic functions: Rational operator+(Rational rhs); Rational operator-(Rational rhs); Rational operator*(Rational rhs); Rational operator/(Rational rhs); void print(); private: // normalize() will …

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The End.