Updated for: Swift 2.0 (Xcode 7)
forked from: Link just for study use.
These example codes are written for O'Reilly's iOS 8 Swift Programming Cookbook If you use these solutions in your apps, you can give attribution to Vandad Nahavandipoor for his work. Feel free to visit my blog at http://vandadnp.wordpress.com for daily tips and tricks in Swift and Objective-C and various other programming languages.
You can purchase "iOS 8 Swift Programming Cookbook" from the following URL: http://shop.oreilly.com/product/0636920034254.do