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

Managing Data in Objective-C: A Deeper Dive into Key-Value Pairs

Understanding Geolocation Simulation in Xcode 4 with Dropdown Debug Feature

Preserving Cookies Across App Restart in iOS Development Using NSHTTPCookieStorage

Understanding iOS App Updates: Can OpenGL Shaders be Downloaded at Runtime?

Determining the Top of a Mapview's Visible Area from MKCoordinateRegion: A Step-by-Step Guide

Understanding Dates and Timers in Objective-C: A Comprehensive Guide to Working with Current Date and Time Between Two Specific Times

Using Regular Expressions vs. XPath for HTML Parsing on iPhone with HPPle

How to Play Custom Sound Files While Your iOS App Is Running in the Background

Implementing Pinch Effect on an Image View in iPhone