Understanding Directory Structures in iOS Apps: A Guide to Customization and Best Practices

Preventing Memory Leaks by Understanding View Controller Management and Property Overrides in iOS Development

Debugging HTML Rendering Issues on Apple Mail Client: A Comprehensive Guide to Debugging, Troubleshooting and Best Practices for Emails.

Resolving Core Data Store Issues with Weak References and Synchronization in Objective-C Development

Designing for iPhone 4: A Guide to Pixel Density and Resolution Calculations.

Capturing 3D Object with its Background View in iPhone Using Open GLES and CAEAGLLayer

Understanding the Basics of Developing an iOS App with a REST API Backend: A Comprehensive Guide

Understanding View Shifting in iOS: A Deep Dive

Here is the complete code for the provided specifications:

Creating and Sending VCards from iPhone Address Book Contacts using Objective-C or Swift