Stephen Kuo questions

• Does Akka Actor run in parallel if we do not define a Router?
• The frame size and 'required init(coder: NSCoder)' in a custom UIControl
• The benefits of Flink Kafka Stream over Spark Kafka Stream? And Kafka Stream over Flink? [closed]
• Is Kafka Stream StateStore global over all instances or just local?
• What happens to the pointer itself after delete? [duplicate]
• Where is pip.conf in my Mac which Python was installed via Homebrew?

Stephen Kuo answers