Luca Iaco questions

Luca Iaco answers

• swift protocol conformance when same property name is optional
• NSMutableURLRequest body malformed after iOS 8.3 update
• Square cropping and fixing the video orientation in iOS
• Intermittent & Temporary iOS Keychain Failure
• iOS convert large numbers to smaller format
• Biometry Type when user denied biometry usage
• Put a file into a QR code