From RxJava for Android Developers by Timo Tuominen
In this article we’ll take a quick look at subscriptions in RxJava programming. To see how subscriptions work we’ll take a real-life example of a newspaper subscription.
From RxJS in Action by Paul P. Daniels and Luis Atencio
In this article, we’ll take close look at hot and cold observables, how they differ, the benefits of each, and how you can take advantage of this in your code.