http://duivesteyn.net/2010/01/16/iphone-custom-tabbar-background-image/

OBGradientView is a very simple UIView subclass that wraps the functionality of CAGradientLayer in a view. It exposes all of the layer’s gradient-related properties (colors, locations, startPoint, endPoint, and type) as its own properties. Calls of the setters and getters are simply forwarded to the underlying CAGradientLayer so you can use the same syntax

Customizing UINavigationBar

iPhone UI – Best UI Elements I have seen

http://blog.csdn.net/wave_1102/archive/2009/11/04/4768212.aspx

cool tabbar http://www.lehigh.edu/~sol0/TabBarGradient.jpg


How to launch AppStore application with request?

CKSparkLine which is a fantastic and simple way of plotting an array of data to a uiview.

cool resource
http://www.idev101.com/

iPhoneOS iPad Development Resources
CKSparkLine which is a fantastic and simple way of plotting an array of data to a uiview.

Hide UITabBarController/UITabBar with animation.

iPhone SDK – Implementing the Tapku Graph In your application

iPhone SDK FirstRun.png – Displaying Special ‘one off’ info in an app
Font size/color of TableView Header

InAppSettings

Float from NSString (NSString to Float)
float stringVolume = [stockBuyVolume floatValue];
NSNumber to NSString (String from NSNumber)
labelStockPrice.text = [numFormatter stringFromNumber: score];
NSString to NSNumber (NSNumber from NSString)

NSNumber * someTargetProfit = [f numberFromString:stockTargetProfit];



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