https://www.martinfowler.com/bliki/TellDontAsk.html
https://leanpub.com/wewut
https://github.com/emilybache/Racing-Car-Katas
http://wiki.c2.com/?ArrangeActAssert
https://en.wikipedia.org/wiki/Dependency_injection

Episode 6 - Testing a mobile application

Intermediate iOS with Swift is a weekly podcast about the swift programming language. Each week Tiago and Lewis tackle a problem one of them has faced that week regarding the applications they are working on. The podcast is aimed at intermediate swift developers looking to explore concepts further.

Tiago
https://twitter.com/martinho_t

Lewis
https://twitter.com/lewisjamesblack

Thanks Matt for the logo!
https://birchtree.me/blog/some-very-swifty-wallpapers/