Blog Posts by Christine Dorffi

  • Gone Holidayin’

    Cork from an open Champagne bottle for YDN greetingschampagnecork-ydn
    Yahoo! Developer Network would like to wish you a peaceful and happy winter solstice and holiday season. As we say in Manila, Philippines, "Manigong bagong taon" — have a prosperous new year!

    We'll be back in January.

    Here's a quick recap of where YDN and Yahoo! evangelists hung out in 2010. If we forgot to list your awesome 2010 tech event, hit us in the comments and we'll update the post:


    Hack U, IIT, Hyderabad, India
    CrisisCamp Haiti Silicon Valley, Sunnyvale, CA
    BarCamp San Diego, San Diego, CA
    She's Geeky, Mountain View, CA


    Free & Open Source Developers European Meeting (FOSDEM), Brussels, BE
    Joint WIPO-ITU Accessibility workshop, Geneva, Switzerland
    Symfony Live, Paris, France
    Southern California Linux Expo (SCALE), Los Angeles, CA
    Future of Web Apps, Miami, FL
    BarCamp Miami, Miami, FL
    Hack U University of Washington, Seattle, WA
    India Hadoop Summit at CloudCamp Bangalore, Bengaluru, India


    Hack U Georgia

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  • RHoK scholarship: Why Malveeka Tewari plans to change the world

    If you recall, our recent blog post announcing this scholarship invited female university students — who were able to attend the December 4-5, 2010, Random Hacks of Kindness event in person — to submit a 250-word essay describing why they want to change the world. The scholarship was a response to the challenge that women constitute 20% of all participants at the upcoming annual RHoK event.

    The winning essay is by Malveeka Tewari, a Computer Science graduate student at the University of California, San Diego. We feature Malveeka's essay at the end of this post. Meanwhile, here's a short interview with Malveeka, who tells us she will be attending the RHoK event in Chicago.


    Malveeka Tewari, prizewinner of Yahoo!'s 20% Challenge response to RHoK December 2010 eventmalveeka_tewari2

    What would you like folks to know about you?

    I am a second-year graduate student in Computer Science from UCSD. I am working in the area of data centers and (really!) large scale networks. I am passionate about technology, good code, and good food. I strongly believe that in modern Internet-driven society,

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  • Upcoming developer events

    Here's a random listing of events in which we're either interested, participating, or sponsoring, in case you were casting about for something fun to do in the next few weeks.

    Date Place Event
    12 Brighton, England Full Frontal
    13 Philadelphia, Pennsylvania    BarCamp Philly
    13 Charleston, South Carolina BarCamp Charleston
    13-14 Palo Alto, California Science Hack Day
    18 New York, New York NY TimesOpen 2.0: Big Data Event 
    26-28 London, England Launch 48 - Mobile
    8-9 Paris, France Le Web
    10 London, England UK Scale Camp

    We hope to see you at one or more of the events.

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  • Welcome to the new YDN blog

    We've upgraded our blog, and we're back on the blogosphere! YDN blog is now powered by the industry-standard, best-of-breed blog authoring and publishing tool, WordPress — which is open sourced under the GNU General Public License. WordPress boasts that its "core software is built by hundreds of community volunteers," and we're pleased to join that community.

    In a future post, we'll describe how WordPress is used across several Yahoo! properties. We tip our hats to shiny and learned Y!OS engineer and WordPress lead Ben Ward. Here, read his Understand the Web personal blog post to grok the depth of his passion for All Things Web. Kudos also to Brian Cantoni, who drove the backend integration and migration, and to Stephan Douris and Nick Terry for the design.

    We hope you approve of our new features, such as the Twitter widget, and that you'll send us any feedback. Please bear with us as we refine any kinks over the coming days.

    We'd also like to take this opportunity to invite you to

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  • Let the Hacking continue

    Hack days have been a quarterly tradition at Yahoo! for over four years, and the 2010 Summer Hack Day came and went a couple of weeks ago. I was eager to drink in the experience of my first Hack Day. It was Chief Product Officer Blake Irving's first time as a judge at a Hack Day as well, and he was excited enough to tweet about it (@Blakei).

    Our internal Hack Days are opportunities for all Yahoos (regardless of title or day job) to build software that can be taken from idea to working prototype in 24 hours. Summer Hack Day saw over 5 dozen hacks registered and demoed at the judging event on Day 2.

    Summer Hack 2010 demos and judging

    These rapid prototypes often pave the way for bigger and better things. The right hacks make their way into production. For example, the winning Search Slideshows hack from February's Winter Hack Day has been live for several weeks now – you’ve probably seen it in the News slides. A winning hack from Spring Hack Day will be going into final testing soon.

    Rules and stuff

    Hackers aren't afraid

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  • Bay Area Girl Geeks: The Seventh Wave

    Girl Geek logoTuesday, August 3: I attended the Bay Area Girl Geek Dinners event #7, this time hosted by Yahoo! at our Sunnyvale headquarters. The purple carpet was duly laid for the festive, sold-out event.

    After collecting my Code Like A Girl t-shirt and sticker, I scampered to the bar for my gin-and-tonic, then wandered into the crowd to meet and/or catch up with other women in high-tech. Attendees ran the gamut from the deeply technical engineers to the technical marketing crowd.

    Aurora Skarra-Gallagher and Brenda O'KaneYahoo! had posted several demo stations, interspersed with the food table and bar, featuring technology at play here. The picture at left shows girl geeks Aurora Skarra-Gallagher (a Senior Software Engineer in the Yahoo! Open Strategy Advanced Products team) and Brenda O'Kane (a Director of Technology in YOS) ready to explain Yahoo! Query Language (YQL) &mdash an expressive SQL-like language that lets you query, filter and join data across Web services. Other demo stations included YUI, web performance, innovation at

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  • Web Directions USA + Amped hack day

    Web Directions USA, a conference for those in the Web industry, is happening on September 21-25 in Atlanta, Georgia. If you register before August 15, you can save $100. Or use this discount code, WDUSA-HC, to obtain the $799 registration price.

    Yahoo! Developer Network will be represented by these speakers:webdirections.png

    • Nicholas Zakas on "High Performance JavaScript"
    • Dan Rubin on "Creativity, Design and Interaction with HTML5 and CSS3"
    • Tom Hughes-Croucher on "An Introduction to Server-side JavaScript"

    Amped is something new, on the day after the conference, September 25th. It's advertised as a "high octane day of hacking." Look for organizers to add more info to the website.

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  • Open Hack India: Outstanding!

    Yahoo! India News reports record-breaking registrations numbers for the Open Hack India conference and an extraordinary number of hackers at the overnight open hack event.

    Open Hack Day, 2 a.m.
    Photo credit: Christian Heilmann (@codepo8)

    Official report to follow — we just wanted to get the award-winning hacks out to you as quickly as possible.

    • Birdie award goes to Chirpshire – A Twitter hack
    • Best Social Collaboration award goes to Communicator – APIs to include real-time communicator
    • Government award for Democracy Tools – Mashup of Election Commission and Yahoo! Web Services
    • Education award for Quizr – Real-time quiz application for use in classrooms
    • Yahoo! Hacker brings bunnies to Hack award for GitHub Badges – Track your GitHub quest with series of badges
    • Travel Hack award to Happy Feet – Tells you the popular landmarks of a city you visit
    • Green Hack award goes for Shop Green – To save use of paper
    • Burning Chrome award goes to Chromy YQLip – Extension for paid scrapping
    • Best in show award for
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  • Fantasy Sports API: Basketball and hockey data

    In addition to Yahoo! Fantasy Football and Baseball, Basketball and Hockey data are now available through the Yahoo! Fantasy Sports API.

    The game codes are listed in the Game resource section of the Fantasy Sports API Guide.

    Currently, the APIs support retrieval of such data as game, league, team, and player. The APIs are based on a RESTful model. Resources (like game, league, team, player) and collections (like games, leagues, teams, players) form the building blocks for these APIs. (Read the initial blog post for more information.)

    If you need help or have suggestions about how we can improve these services, please post a message in the YDN Fantasy Sports developer forum.

    Christine Dorffi
    Christine Dorffi
    Yahoo! Developer Network Blog Editor

    Read More »from Fantasy Sports API: Basketball and hockey data
  • Yahoo! Labs: Modeling networks of social behavior

    I had the opportunity to attend this talk at the Yahoo! Labs in Santa Clara, California. Which, as its website says, "is responsible for the algorithms behind the quality of the web experience for hundreds of millions of users. We impact one out of every two people online..." Not many can make that claim.

    Danny WyattToday's talk was by Danny Wyatt, a PhD candidate in Computer Science at the University of Washington. Danny is doing research in computational social science focusing on new methods for understanding and predicting social networks derived from automatically recorded behavioral data. He went over his data- and calculus-dense paper on Discovering Long Range Properties of Social Networks with Multi-Valued Time-Inhomogeneous Models

    His paper covers three new models developed for analyzing such social behavior data, since existing social network analysis techniques cannot be easily applied to such data.

    Spoken Networks projects

    Danny described his work in the the University of Washington's

    Read More »from Yahoo! Labs: Modeling networks of social behavior


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