RafaelF's blog

Comments and code on event-driven computing and cloud, among others.

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  • Blog Post: Various implementations of Rx

    I'm starting to lose track of the various ports/implementations of Rx out there. So I figured I'd list the ones I'm aware of here (and please let me know if you know of others!) Rx .NET RxJS (JavaScript) Rx CPP RxJava Reactive Cocoa RxPython Reactive-Dart Rx.rb (Ruby) ...
  • Blog Post: Computing event duration using Rx

    If you've looked at IIS logs, you've probably noticed that there are events for when a request is received and when the response is sent (see a typical request ). It's useful to understand average duration per request if you're examining the health of your system. Alas, there's no "duration" event. Sure...
  • Blog Post: How to express common windowing patterns using Rx

    When processing continuous streams, one is usually interested in continuous answers broken into epochs or periods of time. Usually, the computations one formulates feel more like "compute the average speed per road segment every 5 minutes" than "what is the average speed in this road segment given all...
  • Blog Post: A simple feedback loop in Rx

    Feedback loops are very common and incredibly useful. Unsurprisingly, my colleagues and I keep finding these loops in distributed systems. I thought I’d blog about a simple pattern to express them in Rx. Many thanks to Valery Mizonov, Erik Meijer, and Colin Meek for a fruitful discussion about...
  • Blog Post: Sequences and StreamInsight: Initiating a computation

    Colin Meek, Alex Raizman, and I recently blogged about the various gestures that initiate a computation in StreamInsight. The discussion is most relevant with Sequence Integration when the StreamInsight engine is hosted in-memory. Check it out: http://blogs.msdn.com/b/meek/archive/2012/03/21/sequences...
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