Preventing Array Index Crash by Checking Array Count: A Performance Perspective

Accessing the AppDelegate in a Pod Project to Avoid Circular Dependencies

Understanding the Best Practices for Using NSUserDefaults in iOS Apps

Customizing Back Button Behavior in iOS Navigation Controllers

Building a Free Version of Your App Without Duplicating the Xcode 4 Project: A Step-by-Step Guide

Storing RSA Public Keys Securely in iOS Applications: A Guide to Keychain, App Group Containers, and More

Understanding Size Classes in Today Extensions: The Challenge and the Solution

Mastering Facebook's Sharing Dialog: Workaround for iOS Iframe Issues

Understanding Birthday Data in Facebook Graph API v2.4: A Guide to Retrieving User Birthdays Successfully

Mastering iOS App Behavior: Strategies for Successful App Updates