Swift 101 — Basic Property

What is get, set, willSet and didSet? What is reference type and value type? What is lazy? Are you familiar with them? Let’s revise them~ Moreover, Swift provides observers to stored property to listen to the value changes callback — willSet and didSet . The above terminologies ...

Hashicorp Vagrant 101

Vagrant is a tool for managing pre-configured Virtual Machines (VM). The emphasis is on management; Vagrant doesn’t build them, it just manages VMs created by existing hypervisors such as VirtualBox. It simplifies the process of downloading VM images and configuring them.