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Conrad Steenberg presents Crack & Jason Sirota presents The Knot

  • Jul 18, 2013 · 7:00 PM

Conrad Steenberg presents the Crack language and Jason Sirota presents The Knot: Rethinking site search and data using MongoDB and Solr

We have invited Conrad Steenberg from Crack and Jason Sirota from The Knot to speak to us. Followed by a healthy Q & A.


  • 7:00 pm: meet, greet & eat
  • 7:30 pm: main presentation
  • Q&A after the talk



Crack is a statically typed language with a C-like taking inspiration from C/C++, Java, C# as well as Python Ruby and others. It is designed to be convenient to use as a scripting language while at the same time having the speed and expressive power of a compiled multi-paradigm language. It is built on the foundation of the LLVM compiler project and benefits from its improving compiler optimization performance. This talk will introduce the language from a user perspective in developing web applications.


The Knot evolved as a jumble of different databases and subsystems, see how The Knot took that disparate architecture and implemented a realtime messaging platform for site-wide search and core data in MongoDB and Solr using Amazon Web Services EC2 and Elastic Beanstalk.




Conrad Steenberg grew up in South Africa in the roaring 80s, started playing with BASIC and Z80 machine code, publishing programs in the SA Computing magazine. After high school he earned a degree in Physics and Applied Math, followed by a masters and PhD in Physics doing numerical analysis of cosmic rays in the heliosphere.

After moving to US in 1998 for a 2 year postdoc as part of the Voyager program at Caltech, he joined the High Energy Physics department to work on data analysis in the CMS experiment, part of the Large Hadron Collider at CERN. The Caltech HEP group broke several consecutive internet land speed records in preparation of the big data deluge produced by the detector. In 2007 he moved the the Caltech department of bio-engineering where he is currently a software engineer for the DNA/RNA design and analysis package NUPACK.

You can find Conrad at:


Jason Sirota is a senior technology leader with extensive experience in high-volume, consumer-online web data and software engineering. Initiatives span a large range of technology including R&D NoSQL data strategy, REST API development and strategy, business development, e-commerce, web analytics, enterprise solutions, team management and recruiting.

You can find Jason at:




The developers of the Crack language can be found on #crack-lang at The project is hosted here.



XO Group Inc. is the media and technology company behind the brands The Knot, WeddingChannel, The Nest, The Bump and, devoted to weddings, pregnancy and everything in between.

XO Group, formerly known as The Knot Inc., provides young women with the trusted information, products and advice they need to guide them through the most transformative events of their lives. Our family of premium brands began with the #1 wedding brand, The Knot, and has grown to include, The Nest, The Bump and XO Group is recognized by the industry for being innovative in all media - from the web to social media and mobile, magazines and books, and video - and our groundbreaking social platforms have ignited passionate communities across the world. XO Group has leveraged its customer loyalty into successful businesses in online sponsorship and advertising, registry services, ecommerce and publishing. The company is publicly listed on the New York Stock Exchange (XOXO) and is headquartered in New York City.





Oracle has given us three MySQL Connect passes to raffle!

San Francisco, September 21-23

Additional Day of Tutorials

Be sure to arrive on time to claim your ticket!



Food and beverages will be provided, so we don't listen to a great talk on an empty stomach :)


If you need a ride or can offer a ride, please post a comment underneath this meetup


Street Parking is usually readily available, most of the meters are free after 6pm. Please check the street signs as some sides of the streets are permit parking only.



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  • A former member
    A former member


    July 22, 2013

  • A former member
    A former member

    Nice to meet new friend and meet old friends, Interested topics.

    1 · July 22, 2013

  • Nancy S.

    This was an awesome meeting. The speakers were both fantastic, the place was great, as was the food. We both learned a lot. I look forward to the next meetup of this group!

    1 · July 22, 2013

  • Jack L.

    I appreciated the presentation, a lot of good information. Also, I'm looking for someone who is good with MongoDB (or FireBase) that is interested in doing a side project (evenings and/or weekends). Let me know if you or someone you know would be interested. [masked]

    July 20, 2013

    • marcos o.

      Jack, I took a class on for DBA MongoDB from the 10gen guys, perhaps I can help or I would be interested on contributing to your idea

      July 20, 2013

    • Jack L.

      Marcos, not sure where you are located but I will be available to meet you for coffee in Santa Monica area Mon late afternoon, or on Wednesday eve to discuss (if either option is good for you).

      July 21, 2013

  • Carl M.

    Thank You

    July 19, 2013

  • A former member
    A former member

    Nice environment w/ smart people and good food

    July 18, 2013

  • Gary

    first Meetup!

    July 18, 2013

  • A former member
    A former member

    Can't go anymore unfortunately. any slides or video that can b posted would b great. Have fun!

    July 17, 2013

  • A former member
    A former member

    Can't go anymore unfortunately. any slides or video that can b posted would b great. Have fun!

    July 17, 2013

  • John "Thunderhead" C.

    Hiyo! I'm just a budding web developer who's familiar with MySQL, but would like to learn other databases as well.

    July 13, 2013

  • malcolm

    I will be looking forward to this experience. . . . Malcolm . . . . . . . . . .

    July 11, 2013

  • Nima H.

    We're looking to possibly use MongoDB in our new release!

    July 9, 2013

  • A former member
    A former member

    I will bring some of my new friends here. Would love to hear Mr.Stennberg talking. C u all.

    July 2, 2013

30 went

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