shle2821 questions

• Swift Design Pattern. Why did they include Any, AnyObject
• what does double square brackets mean in swift?
• Swift, Optional wrappers. "?" "!" I understand how it works. But why is it better than != nil checking
• Using android device with CloudKit JS without an iCloud account
• AWS-Load Balancer. Does it incur cost when no EC2 is linked to them?
• Aws s3 reduced redundancy costs the same as standard?
• Swift, variable with same as a method name
• Swift, two issues. 1) weak var 2) bang operator for @IBOutlet
• in Swift: Difference between Array VS NSArray VS [AnyObject]

shle2821 answers