Implementing Digital Zoom in iOS 4.0 and Later Using AVFoundation Framework

Extracting Frames from Videos on iPhone: A Comparison of Methods for Video Processing and Image Recognition Applications

Understanding the Apple Mail UI Kit (MFMailComposer) and Programmatic Email Sending

Retrieving and Displaying Fonts on iOS 4.2: A Comprehensive Guide

Understanding Background Location Updates in iOS Apps: A Comprehensive Guide to `didUpdateToLocation:fromLocation:` Method

Calculating Font Size Programmatically in iOS Apps

Writing Audio Files from iPod Library into Your App's Documents Folder Using TSLibraryImport

Mastering iPhone Interface Builder: Connecting Outlets to Simplify Your Development Experience

Understanding Static Library Linker Issues in C and C++

Understanding the Nuances of ASCII Art and SQLite on iPhone: A Developer's Guide to Handling Character Encoding, Newline Sequences, and String Formatting.