Erik Michaels-Ober, Fellow at Code for America, discusses Travis CI, a modern distributed open-source build system for continuous integration.

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Is your MySQL database groaning under the weight of too much data? Are you tired of waiting for analytics rake tasks in Rails that take hours to run? Loren Siebert discusses how you can leverage your existing Ruby codebase by building Hadoop Map/Reduce jobs using Hive and plugging in your own custom Ruby mappers/reducers. This is good for Rubyists who want to apply what they know to Hadoop, and good for Hadoop users who don’t want to build MapReduce functionality in Java.

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The analysts and engineers at ModCloth have spent the past year building business intelligence tools to measure their business. Evan Tahler, Jennifer Suit, and Kate Zimmerman describe their agile approach to BI problems and share their process and tools.

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Frank allows you to write automated acceptance tests for native iOS apps using cucumber. You could describe it as Selenium for iOS. Pete Hodgson from ThoughtWorks shows some Frank tests and demonstrates additional tools that Frank provides.

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Keith Rarick of Heroku introduces the Go programming language, including code examples and discussion of its motivation, design, and philosophy. He covers Go’s syntax, type system, concurrency model, and fun features from its tool set and build system.

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Chris Westin, a mongoDB developer from 10gen, discusses more in-depth uses of mongoDB, reveals some of the product roadmap, and answers questions from the audience.

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Long-time Pivot Joe Moore had to learn how to effectively remote pair with developers across the country. He shares the lessons he’s learned about the technologies and personal interactions that allow him to remote pair 8 hours a day without going mad.

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Jared Cosulich of Irrational Design recently started a new music site, SoundSeed.Me. He discusses the process and emotions he’s experiencing as he launches a new product, getting it built, finding the first users, iterating, testing, trying to get the right market fit.

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If you don’t measure it, you can’t optimize it. Coda Hale, Infrastructure Architect at Yammer, talks about service-level performance metrics, how they use them to guide their development strategy, and how you can improve the transparency of your own software.

This talk was recorded on a laptop webcam. We hope the reduced quality doesn’t affect your enjoyment of the talk

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Backbone.js is a lightweight Javascript MVC framework great for organizing your Javascript code and simplifying very common AJAX and event-driven DOM update use cases. Because Backbone is so small, you’ll need to add your own Javascript philosophies, patterns and customizations to get the most from it. If you’re using Backbone to build a typical Rails app it may not be clear how to get started. Pivot Jay Phillips shows how any project can get started with Backbone.js and demonstrates how it is used on some projects at Pivotal Labs. He also introduces Ribcage.js, a new open-source library from Pivotal that makes Backbone views about as awesome as its models.

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