Relevant articles:
- Dealing with Backpressure with RxJava
 - How to Test RxJava?
 - Implementing Custom Operators in RxJava
 - Introduction to RxJava
 - Observable Utility Operators in RxJava
 - Introduction to rxjava-jdbc
 - Schedulers in RxJava
 - Mathematical and Aggregate Operators in RxJava
 - Combining Observables in RxJava
 - RxJava StringObservable
 - Filtering Observables in RxJava
 - RxJava One Observable, Multiple Subscribers
 - Difference Between Flatmap and Switchmap in RxJava