[classes] Forum Topics

I wish to use parameters in a class to change what the class displays how would this be done?

I have these few lines in a class in my program but it doesnt appear. No errors are shown and when i "print(menubar)" and address "0.4.." or "4..." appears menubar = Menu(master = self.mainGUI) fileMenu = Menu(menubar) fileMenu.add_command(label="Exit", command= destroyMethod) menubar.add_cascade(label="File", menu=fileMenu) destroy method does work and is existing.

The title says it all but I am curious if it's acceptable or even efficient for that matter. If others were to read my code or work on a project with me is this generally accepted among others or yourself if you work on an enterprise level? Is this memory …

#include <string> #include <iostream> #include <vector> using namespace std; class Person { public: Person(); Person(string n, string a, string tel, string em); string getName(); string getAddress(); string getTel(); string getEmail(); virtual string whatAmI(); private: string name, address, telephone, email; }; Person::Person() { } Person::Person(string n, string a, string tel, string …

Hello, I am developing a site where I have once class file that deals with a few database tables. My question is: Is it better to have one big file (the class) and then require only this file or have a class for each table and then have more require …

So! I'm building a GUI for an application I'm currently developing and I'm having a bit of trouble figuring out an issue. I'll try to explain it as best as I can in the code lines. Basically, I built a class to handle the initial window for the program, but …

what is "System.Uri"????

[B][I][U]Introduction [/U][/I][/B] [COLOR="Red"]Hey everybody welcome to a tutorials on classes in PYTHON. The purpose I made this tutorial for is that when I was learning classes in python I dint found any good tutorials on Classes. Maybe I was wrong. But here's my tutorial.[/COLOR] [B][I][U]Layout[/U][/I][/B] In this tutorial i'll be …

Hi All, I have just finished reading fundamental topics in Java and now i have decided to do a New Project in Java which comprises all basic features of Java. I need help in Understanding/visualizing the architecture / Design model for my Project. Specification is : 1 . Develop a …

I have the following structure: CObject { protected: char *mName; public: CObject(char *n) { mName=strdup(n); } }; CVector:public CObject { char *mValues[50]; int mElements; public: CVector(char *n):CObject(n) {} }; CMatrix:public CObject { char *mValues[50][50]; int mLines; int mColumns; public: CMatrix(char *n):CObject(n) {} }; My main function: int main() { pV=new …

am a python beginner, receeently started learning about classesand i wrote this got this little code that keeps bringing this error . please i need someone here to help debug it: class employee(): ` empcount=0` def _init_(self,name,salary): self.name=name self.salary=salary employee.empcount=+1 def displaycount(self): print 'Total employee: %d' %employee.empcount def displayemployee(self): print …

Hi all, I've been playing around with PHP for a while now and never really studied hardcore (Just used it as best as I could on a whim) but I've now decided to sharpen the skill and get much better. I'm playing around with my first class and would like …

hello, I just had a quick question on my program. I'm trying to perform an elevator class program to simulate an elevator that has 3 stops. The only problem is that I can't figure out how my floors increase or decrease, it just increases by one. Here is my code: …

Hi All, I have created an application that allows a user to select a diectory, where we parse the photos, and upload to a database. The issue that I am having is that I have a button on the form found in the newJFrame.java class called upload that when pressed …

So basically im creating this python adventure text game. And so far its good. But i have this problem with class instances(Is that the right term?) Say for example i have this class, class monster(object): def __init__(self,health,attack): self.damage = damage self.health = health So then I create a class object(again, …

Essentially I have two header files, one called 'ACYDTypes.h' that contains the classes for the basic types of this system and the other called 'Settings.h' that contains function for general settings. In the Settings.h file, there is a namespace called 'Ac_Type_Settings', and within that is a class called 'AcTypeSettings'. This …

I want to write a program in c++ language to define a class Bank_Account with the following members: Data member: - Accoount_no. - owner. - Balance. Member fenctions: - To assing intial values. - To deposit an amount. - To withdraw an amount after checking the balance. - To display …

Hi guys, I'm having trouble with my code and I'm kind of new in Java so I don't know what to do. I have to do a program with Buttons and each button has to take me to another class (I don't know if I'm being clear). For example if …

If my goal is to consider f1 and f2 to hold the numerator and denominator of two fractions and multiply f1(9,8) by f2(2,3). i don't understand how to write the MultipliedBy function if I only have two member variables in the class it's self. I feel like i'm just missing …

Hi, I'm working on classes with pointers. I do have a main function that calls this. This program compiles. But the input from the user isn't getting passed to the other functions. The user_input function should take the response and pass it to the create_posting then it is outputted to …

I have to update a road tunnel lighting program I wrote for a company. They now want a new standard to be applied, but with the option of switching between standards real time. And there will be other standards in the future. Currently the single object which calculates the lighting …

Hello guys, so I am facing a problem to understand the following.. Creating a GUI based program that has a user control box that contains a list of images of a 52 cards deck, the cards are based on an enum actually 2 enums one for the rank and one …

This is homework. I have been tasked with creating a new dialog in WinMerge that provides line stats for every open file. It should show total lines, lines modified and lines deleted. I am working on implementing the total lines part. I have already created the dialog, a class for …

I'm making a class for boolean expressions, a simpler version of bool. I need three operators, one for AND, one for OR and one for NOT. I can easily make **+** for OR, by overloading, but how can i declare **.** for AND and **'** for NOT? Can i even …

So I am working on a program and it has two seperate classes.. One of them contain the forum layout and the other contain some calculations and totals.. The problem is that the class with the calculations contain a constructor and other functions that I need to pass from this …

I have 2 classes. AddressBook and SingleAddress. AddressBook is supposed to contain SingleAddress. I'm omitting the #include and some of the extra functions. Here's SingleAddress.h class SingleAddress { private: string lastName,firstName,strAdd,city,country,email; int postCode,homeNum,mobileNum; public: SingleAddress( string s1,string s2,string s3, string s4,string s5,string s6, int i1,int i2,int i3); string toString(); }; …

I have this weird problem. If my constructor is [header] class Book { private: vector<string>Entry; public: Book(); [cpp] Book::Book(){ Entry.push_back("0"); Entry.push_back("1"); Entry.push_back("2"); The weird thing is that it does not update when I do more .push_back. I use: void Book::addItem(vector<string>newItem) { for(int f=0; f<Entry.size(); f++) { Entry.push_back(newItem[f]); cout<<Entry[f]; } } …

Hi everyone! So I have this code to modify. I need to write a code inside the **int main** field, that would cause 37 launches of the constructor called M_48(). I have no idea how to solve this. Any ideas?

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 …

The human body has many organs (heart, lungs, brain, and kidney, to name a few). We could think of the human body as complex object made up of simpler objects (organ). a) Create classes for heart and brain. Think about what the functions of the heart and brain are in …