Principles of Reactive Programming (Scala)

assignments and other code from Coursera class (now removed)

• https://class.coursera.org/reactive-002
• https://www.coursera.org/course/reactive

2019: Updated course: Programming Reactive Systems (Principles of Reactive Programming in Scala)
with some materials moved to Functional Programming in Scala Specialization

Video lectures:

https://www.youtube.com/playlist?list=PLMhMDErmC1TdBMxd3KnRfYiBV2ELvLyxN

Assignments

• Week 1: QuickCheck/ScalaCheck
• Week 2: Calculator
• Week 3: NodeScala
• Week 4: Wikipedia Suggestions
• Week 5: Actor Binary Tree
• Week 6: Replicated KV Store

Sources

• https://github.com/headinthebox/CourseraCodeSamplesReactiveProgramming
• https://github.com/typesafehub/activator-akka-cluster-sharding-scala

worksheets: code snippets from lectures

Recap: Getting Started with Tools

• Tools Setup for Linux (12:24)
• Tools Setup for Mac OS X (12:17)
• Tools Setup for Windows (10:37)
• Tutorial: Working on the Programming Assignments (8:47)

Week 1

• What is Reactive Programming? (11:42)
• Recap: Functions and Pattern Matching (19:56)
• Recap: Collections (12:54)
• Functional Random Generators (19:42)
• Monads (20:22)

Week 2

• Functions and State (15:28)
• Identity and Change (8:12)
• Loops (8:25)
• Extended Example: Discrete Event Simulation (Optional) (10:54)
• Discrete Event Simulation: API and Usage (Optional) (10:57)
• Discrete Event Simluation: Implementation and Test (Optional) (18:12)
• Imperative Event Handling: The Observer Pattern (12:27)
• Functional Reactive Programming (20:24)
• A Simple FRP Implementation (19:32)

Week 3

• Monads and Effects 1
• Monads and Effects 2
• Latency as an Effect 1
• Latency as an Effect 2
• Combinators on Futures 1
• Combinators on Futures 2
• Composing Futures 1
• Composing Futures 2
• Async Await
• Promises, promises

Week 4

• From Try to Future (5:22)
• From Iterables to Observables 1 (8:06)
• From Iterables to Observables 2 (9:44)
• Hello World Observables (6:29)
• RX Operators (11:39)
• Subscriptions (10:34)
• Promises and Subjects (8:55)
• RX potpourri (11:30)
• Observable Contract (14:19)

Week 5

• Introduction: Why Actors? (14:46)
• The Actor Model (13:43)
• Message Processing Semantics (27:28)
• Designing Actor Systems (38:10)
• Testing Actor Systems (17:16)

Week 6

• Failure Handling with Actors (22:38)
• Lifecycle Monitoring and the Error Kernel (24:07)
• Persistent Actor State (40:05)

Week 7

• Actors are Distributed (36:30)
• Actors are Distributed Part II (18:17 — optional)
• Eventual Consistency (15:49)
• Actor Composition (20:14)
• Scalability (17:00)
• Responsiveness (11:41)