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Rx and Graphs

Our next Meetup features two exciting speakers: 

Brendan Forster from github & James Rowlands from Trade Me.

Reactive Extensions for Mere Mortals - Brendan Forster

You might have heard about the Reactive Extensions framework. You might have even tried it out. But why should you care about this style of programming? Isn't it just for academics who like to wear hypercolour shirts?

In this talk I'll run through:

 - what these crazy IObservable and IObserver interfaces are for

 - illustrate how Rx is not async/await - and how you can mix them together

 - how you can use LINQ to filter, aggregate and project streams of data

 - show some of the applications and frameworks out there which leverage Rx

 - demonstrate some easy ways to get started with Rx

Brendan is a code writer and open source cat herder currently working for GitHub. When not coding all the things, he enjoys beer, walks along the beach, and traveling to places old and new.

How a graph database can get you beer - James Rowlands

You might have heard the increased talk recently around graph databases, all the big boys like Facebook are using them.

In this presentation James will cover

 - What is a Graph Databases?

 - Why Graph Databases are “O for Awesome”

 - Why should you care?

 - When and how you can use them

 - How graph databases can help you find beer

By day James is a .Net developer at Trade Me, by night he delves into the dark side and plays with the LAMP stack. He also likes beer and prefers swimming at the beach to long walks, unless it is walking to beer. 

Join or login to comment.

  • Richard S.

    Hey all, if you came along (or even if you didn't) please take the time to fill in this survey. It's super short I promise!

    October 4, 2013

  • John(Joao) P.

    Hi guys, sorry to ask this question here, but I have a friend overseas that is considering coming to NZ, do you guys know of any oportunities for havin a .Net dev coming with a work visa?
    Sorry for the post here.

    October 4, 2013

    • Jake S.

      Xero in Auckland is always looking for developers. Send me an email [masked]

      October 4, 2013

    • Ruby S.

      Vista is also hiring, you can send his CV along to me at [masked].

      October 4, 2013

  • James R.

    Hi guys,
    My slides and demo data are available at

    I also would like to clarify what happens when you run a query over an arbitrary length (with no max), you won't get an infinite loop, however you could potentially return your whole graph, including every unique path through your graph, which could be a lot of data and take a long time.

    You can view an example here: (make sure you change the dropdown to return all results)

    October 3, 2013

  • John(Joao) P.

    Hi guys, I missed the presentation are any slides/samples/videos/pizas available for download on speaker's blogs ?

    October 2, 2013

  • Frederik D.

    It was great to see the AKL.NET user group active again.
    I got lost a few minutes into the Rx talk, but the Graphs talk was really interesting. I wished I had a business requirement where I could use neo4j now. ;)

    October 2, 2013

  • Wenbo L.


    October 2, 2013

  • Richard S.

    Please note the updated venue! 125 st George's bay rd

    October 1, 2013

  • Richard S.

    I'll definitely get some vegetarian options, but if you have other dietary requirements flick me an email: rsimes at trademe co nz

    September 27, 2013

  • Richard S.

    I hear there are still a small number of tickets available for Codemania After Dark on the 3rd, so snap em up quick if you haven't got one yet!

    September 27, 2013

  • adrianliu


    September 15, 2013

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