Lukas questions

Lukas answers

• indexOf of AnyObject array not working with Strings
• Saving array to CoreData Swift
• C Fraction Arithmetic
• Adding to array in parallel
• Why UITableView with autoresizing row height "scrolls up and then down" when loading more rows from remote server?
• How can I make a particular cell of an iOS collectionView fade out as the collectionView scrolls?
• Collectionview interactive cell swapping
• Interactive ViewController transition triggered by pinch and pan gesture recognisers simultaneously
• Best practice for Swift methods that can return or error [closed]
• Parent-child protocol relationship and ObjC availability