What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode

What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode

objective-c xcode4.5

objective-c

"Auto Layout still required after executing -layoutSubviews" with UITableViewCell subclass

objective-c ios xcode4.5 autolayout

objective-c

How do I sizeToFit a UILabel by changing only the height and not the width?

objective-c uilabel xcode4.5

objective-c

change the height of a UICollectionReuseableView (collection section header) dynamically

objective-c ios6 xcode4.5

objective-c

Is there a way to change the text position in UITabBar or UITabBarItem?

ios objective-c xcode4.5 uitabbar uitabbaritem

objective-c

NSGenericException', reason: 'Unable to install constraint on view

iphone objective-c ios6 xcode4.5

objective-c

lldb error: property not found on object of type

objective-c ios6 xcode4.5 lldb

objective-c

xcode timed out waiting for app to launch

objective-c ipod-touch xcode4.5

objective-c

Why is the row property of NSIndexPath a signed integer?

objective-c ios6 xcode4.5

objective-c

Implicit conversion of NSInteger error

objective-c xcode4.5

objective-c

How do I use the Linea-Pro SDK for IOS?

objective-c ios xcode4.5 linea-pro

objective-c

Weird LLDB error in Xcode 4.5: Internal error [IRForTarget]

objective-c xcode xcode4.5

objective-c

How to check if a view is inViewHierarchy or not?

objective-c xcode4.5

objective-c