Maintaining Persistent Connection with HTTP Server for Continuous Stream

Understanding NSUserDefaults: A Comprehensive Guide to Data Persistence

Understanding Radio-Style UIBarButtonItems: A Solution with UISegmentedControl

Understanding the Issue with IBOutlets nil and View Not Loading after presentingModalViewController:animated:

How to Use the iPhone Address Book API for Contact Management

Understanding NIB Loads on Simulator but Not On Device

Understanding the Problem with Camera Shutter Open Event in UIImagePickerController

Understanding NSDecimal and its Usage in Core Plot Framework: Can You Pass the Same NSDecimal Instance as Both Left Operand and Result?

Creating a Water Effect on iPhone with Quartz and OpenGL ES

Calling Phone Numbers in iOS: A Comprehensive Guide to tel: Protocol and URL Handling