Checking File Existence in a Folder Inside Directory on iPhone: A Comprehensive Guide

Becoming First Responder with View Did Appear: A Guide to UISearchBar in UIToolBar

Understanding the iPhone Address Book API: How to Check for Group Existence

ejabberd mod_offline_push iPhone Pushed Notifications: A Step-by-Step Guide for Implementing Offline Messages with Apple's Push Notification Service (APNs)

Understanding UILocalNotification and Custom Method Execution in Background Mode

Understanding Background Running Apps on iOS: A Technical Dive into Retrieving Background Processes.

Understanding the Issue with SMS Sending in iPhone Applications: A Guide to Memory Management and ARC

Understanding the iPhone SDK and Random Access to Arrays: A Guide to Unpredictable User Experience

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

Understanding Phone Links in iOS 9: Workaround for Broken Tel Links After iOS 9 Update