Reactive Programming Notes and Links

A very well written introduction to reactive programming that implements Twitter recommendation using RX. Link by andrestaltz

What is reactive programming: how message-driven (has direction from sender to receiver) is different than event-driven (undirected) and how message-driven (Actor-based) avoids callback-hell.

What is Callback Hell

I have not read the followings:

Art of Node (node.js)

Fancy a PhD thesis on Concurrent Programming for Scalable Web Architecture by Benjamin Erb?

Futures and Promises from Scala Documentation