The person who used to ensure that everyone truly smiles, no matter how busy he/she is, while he captures the moment/memory.
A true passionate professional indeed!!
Async facde - design pattern
Rx Java from Netflix
JSR 166 in jdk 9
Server is producer or observables and client is consumer or subscriber
It is one way communication where server can communicate to client but client cannot communicate to server except about subscription or unsubscription
Hot and Cold observable
We can merge multiple observables into 1 and subscribe to that new combined custom observable.