APPENDIX B

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Taming Streaming Data with Rx.NET

Developers now have access to more streaming data than ever before. Much of this data originates from sensors connected to the Internet. These sensors continually post the data they collect.

For example, a high-profile gym asks users to swipe their smart membership cards at an RFID reader placed at the entrance. As soon as members do this, an event fires (assume the name of the event is MemberEnteredGym). Subscribers can register for the event, and are notified immediately. However, that’s nothing new. What’s new is that this event will be fired every time a member swipes his or her card. And there ...

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