javascript The Power of Purity A key concept in functional programming is that of referential purity. A referentially pure function will always return the same value given the same arguments; this unlocks some extremely powerful behaviour that is
react Live data with Firebase and redux-saga Firebase is a backend-as-a-service offering from Google that aims to provide some of the common server-side functionality usually created for apps. Firebase provides a JSON-based key:value database which has a pretty nifty
