abstract class - Visual Basic .NET

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by: Tony Johansson | last post by:

Hello! Assume you have an abstract class called Body and a derived class called cylinder. When you have an abstract class you can't instansiate an object. As you can see in the abstract class...

C / C++

PHP5 Singlton vs. Abstract Classes

by: Daedalus.OS | last post by:

Ok first I'm pretty new to OOP, so my question may sound stupid to some of you. If the only answer you can provide is "get a book about OOP" then don't loose your time and mine cause it's already...

PHP

Abstract members in non-abstract classes?

by: Dave Veeneman | last post by:

Is is legal to declare abstract members in non-abstract classes? How about non-abstract members in abstract classes? I am writing a base class with three derived classes. The base class will...

C# / C Sharp

Abstract Class Theory

by: Dan Sikorsky | last post by:

If we were to define all abstract methods in an abstract class, thereby making that class non-abstract, and then override the heretofore 'abstract' methods in a derived class, wouldn't that remove...

C# / C Sharp

Basic OOP question - why abstract?

by: jason | last post by:

In the microsoft starter kit Time Tracker application, the data access layer code consist of three cs files. DataAccessHelper.cs DataAcess.cs SQLDataAccessLayer.cs DataAcccessHelper appears...

C# / C Sharp

My "Abstract Iterator"

by: mailforpr | last post by:

Hi. Let me introduce an iterator to you, the so-called "Abstract Iterator" I developed the other day. I actually have no idea if there's another "Abstract Iterator" out there, as I have never...

C / C++

what is abstract class and abstract method

by: N.RATNAKAR | last post by:

hai, what is abstract class and abstract method

C# / C Sharp

module to implement Abstract Base Class

by: emin.shopper | last post by:

I had a need recently to check if my subclasses properly implemented the desired interface and wished that I could use something like an abstract base class in python. After reading up on metaclass...

Python

About virtual and abstract method

by: David Zha0 | last post by:

Hi, "when we call a virtual method, the runtime will check the instance who called the method and then choose the suitable override method, this may causes the performance drop down", is this...

C# / C Sharp

On pure abstract classes

by: Miguel Guedes | last post by:

Hello, I recently read an interview with Bjarne Stroustrup in which he says that pure abstract classes should *not* contain any data. However, I have found that at times situations are when it...

C / C++

How to turn on java script in a villaon keypad mobile phone

by: Charles Arthur | last post by:

How do i turn on java script on a villaon, callus and itel keypad mobile phone

Java

Migrating Website to Cloud - Emmanuel Katto

by: emmanuelkatto | last post by:

Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

General

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

How to build RAID in BIOS?

by: Hystou | last post by:

There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

Computer Hardware

Changing the language in Windows 10

by: Hystou | last post by:

Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...

Windows Server

The easy way to turn off automatic updates for Windows 10/11

by: Hystou | last post by:

Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...

Windows Server

AI Job Threat for Devs

by: agi2029 | last post by:

Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...

Career Advice

Access Europe - Using VBA to create a class based on a table - Wed 1 May

by: isladogs | last post by:

The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new...

Microsoft Access / VBA