Xcode and #pragma mark

#pragma mark directives in code to help with organization as implementation files grow.
#pragma mark is simple to use,

for example, insert the following to call out initialization code:

#pragma mark - #pragma mark Initialization

How To Install iOS 5 (Beta) On Your iPhone, iPad or iPod Touch? (Developers Only)

iOS 5 beta is now available for developers to install on their iPhone, iPad or iPod touch devices. 

How to Install iOS 5 Beta on the iPhone Without Apple Dev Account

How to Play Video in iPhoneOS4

Step 1: Create a View base application using template. Give the application name “VideoPlayiPhoneOS4”.

Step 2: Xcode automatically creates the directory structure and adds essential frameworks to it. You can explore the directory structure to check out the content of the directory.