Factory vs Factory Method vs Abstract Factory

What is in the name? Lot of confusion! These patterns…

Attributes of @property : nonatomic, retain, strong, weak etc..

This article is intended to be a reference guide to the property attributes.

By default @property looks like this:

How @property works in Objective C

The goal of the @property directive is to configure how an object can be exposed. If you intend to use a variable inside the class and do not need to expose it to outside classes, then you do not need to define a property for it. Properties are basically the accessor…

App Thinning — How to reduce iOS App size by 40%

Introduction

OOP vs POP vs FOP

These are approaches to solve a problem programmatically. So far we have three popular approaches.

POP (Procedure Oriented Programming)

In this approach problem gets solved in sequence of instructions. The program is divided into smaller units…

Binding Objective C into Xamarin

Our urge to use a Native library in MonoTouch environment is so much, yet we face difficulty in doing so on weekly if not daily basis. I personally found Xamarin developer documents are not so straightforward and clear in understanding. In this binding process our…

Abstraction Vs Encapsulation

This is one of the most frequently asked and discussed question and I found it really confusing in my early stages of programming. Both are indeed very different.

Abstraction

Design Pattern

Design Patterns are reusable solutions to commonly occurring problems. Design patterns…

Object Oriented Programming

OOP is a programming approach where the basic building blocks of programs are objects and object are made up of state or variable and behaviour or function. Since 1950’s this has been widely used programming paradigm.

Core OOPS concepts are:

Null, Nil, nil, NSNull — All are little different

NULL, nil, Nil and NSNull all are just to represent Nothing, but nothingness doesn’t look so clear in Objective C. Under the hood there isn’t much difference between these. There are some subtle differences on where it needs to used. I want to…