bubuxu questions

bubuxu answers

• Automatically Reordering UICollectionView in Core Data with Swift
• UICollectionView Scrolling to an Item
• "Could not instantiate class named UIStoryboardShowSegueTemplate" - how can I make a Storyboard happy with iOS 7 and iOS 8?
• How to build a xcode 9 project with Swift 4.0 using Pods in Swift 3?
• How to unwrap an optional value from Any type?
• ios swift, How to convert 'object to nsdata'