João Nunes questions

João Nunes answers

• How to set NSString's background cornerRadius on iOS7
• How to create a global reference for iAd and implement in multiple Viewcontrollers
• How to open image in my ios app from another app?
• PromiseKit with Swift: terminate chain of promises
• Custom Keyboard: inputView: how to change the Keyboard size?
• How to solve this CollectionView crash?
• Swift - Store Closures in Dictionary
• unknown type name in objective c
• Weak object in an NSDictionary?
• Why does iPhone 6 use @2x image assets?