I can help with that.

Modifying the Color of the Teapot in GLGravity iPhone Project: A Deep Dive into Lighting Models and Color Schemes

Accessing Superclass Methods through Pointers to Object Instances: A Correct Approach to Overriding and Encapsulation

Implementing ABPeoplePickerNavigationController in Tabbar based Application: A Step-by-Step Guide

Using NSNumberFormatter for Currency Formatting in iOS: Best Practices and Examples

Understanding the Fundamentals of Static Variables in Objective-C

Customizing the Color of Page Control Dots in a Three20 TTLauncherView: A Step-by-Step Guide

Parsing RSS Links from an iPhone-Style HTML Document: A Guide to Using libxml2 and XPath Queries

Understanding the Order of Posts in a TableView with Parse Framework for Efficient Data Retrieval and Display

Optimizing Performance in Cocos2d-x Games with Sprite Sheets and CCSpriteBatchNode