I started streaming Overwatch, and I became picky about the quality of the video; this post describes my setup, where I run a green screen approximately 30 inches behind my desk.
Hack includes a type of datastructure called shapes; shapes are a collection of fields with types, and support structural typing. This can be useful for making type-safe code to interact with third-party APIs.
Hack's documentation and marketing is largely focused on how easy it is to migrate an existing PHP project; while this is a unique advantage of Hack, there isn't much guidance on how new projects should be designed.