Read about measuring code execution time on iOS; how KVO in Swift works

Read UITableView Swipe Actions in iOS 11. Somehow I did miss this. UITableView Leading & Trailing Swipe Actions in iOS 11 on the same topic mentions tableView(_:editActionsForRowAt:) existing since iOS 8.

Needed to measure execution time of some part of code googled for function CACurrentMediaTime() because I didn’t remember its name. But beware it doesn’t work when device sleeps! CFAbsoluteTimeGetCurrent() worth mentioning as well.

Read how to use KVO in Swift Observing properties with Key-Value Observing because my colleagues use it. But it’s time to start using Combine.

Read chapter Access Control of The Swift programming language guide.