Implementing Drag and Drop Images in a UIView for an iPhone App Using UIPanGestureRecognizer

Understanding Why Xcode Needs to be Installed Every Time to Detect iOS Devices

Using OpenFeint for iPhone Game Highscore Server without Full-Blown App

Understanding the Stack Overflow Post on Unused Variable Warning in For Each Loop: How to Zero Out Array Elements with Clarity and Efficiency

Understanding Gyroscope Values: Unlocking iPhone Capture Motion

Delays in UIKit Animations: A Deep Dive into Accessing an Event After a Specified Duration

Transform Not Working as Expected When Exporting AVMutableVideoComposition in iOS

How to Download Images, Save Them Locally, and Store Reference Paths in iOS Using SQLite Database

Understanding UUID Mismatch Issues in Jailbroken iPhone OS 2.2.1 Devices: Solutions for Developers

Understanding Pixel Density (PPI) in iOS4 Images: A Guide to Effective Image Rendering