• SpeechKit:

• by IOS native libray(AVFoundation & Speech)
• Text to Speech
• Speech to Text

• WebSocket:

• Dis/Connect WebSocket
• Transmission JSON Data(Swift Client) <-> Binary(node.js Server), String(Swift Client) <-> String(node.js Srever)
• Import MOS Dictionary: https://gist.github.com/mosluce/4b41cd7f601943558be0800230aa17d1#file-da-swift-L41
• Example Server

• UserDefault:

• Insert/Update/Delete NSUserDefaults
• Show all NSUserDefaults Data

• GCD:

qos（優先權限）: UserInterActive > UserInitiated > Default > Utility > Background > Unspecified

let queueDefault = DispatchQueue(label: "queue.Default", qos: .default)
queueDefault.async{
//Do Something
}

from:Swift 3學習指南：重新認識GCD應用

• CustomExtension:

UIColor: UIColor.init(rgb: 0x6a60ee).cgColor UIViewController: self.hideKeyboardWhenTappedAround()