Etienne de Bruin demonstrates how to visualize Twitter retweets in real time using the tweetstream gem, arbor.js, Redis, and Resque. He also shares his personal journey as a developer and how he came to love Ruby.

Episode 113: Visualize Twitter #tags in Real Time

Watch awesome talks on Ruby, Ruby on Rails, and other topics in this long-running video podcast from the San Diego Ruby user group. This podcast features live talks from SD Ruby members which are recorded each month on the campus of the University of California San Diego, in the Computer Science and Engineering building. The SD Ruby podcast is sponsored by New Relic. Bandwidth is provided by Joyent.

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Hillary Hueter demonstrates how to validate user interfaces with Watir. Learn how to write scripts that automate common functions (clicking links, selecting options from a list, filling out forms, etc.) and how to use Watir in Cucumber or RSpec tests.

Episode 133: Introduction to Watir

Matt Aimonetti introduces the latest version of Ruby -- Ruby 2.0. Find out what's new in Ruby and what it means for your Rails applications.

Episode 132: Intro to Ruby 2.0

Greg Price was frustrated by how long it takes Ruby 1.9.3 apps to launch, so he decided to dive in and fix things. By using general techniques for profiling and fixing code, he was able to make app launching in Ruby 2.0 twice as fast. Greg shares his techniques and shows how they can be used for any performance problem in MRI or a C extension.

Episode 131: Profiling Ruby

Ruby on Rails 4 offers a number of useful new features and also breaks ties with a lot of old Rails baggage. Ben Hughes talks about what's new in the next release of Rails and shows how to prepare your existing Rails 3 apps for the upgrade.

Episode 130: What's New in Rails 4

Chris Kelly returns to SD Ruby to give a talk on Ruby metaprogramming, starting with the Ruby Object Model and working through the most common metaprogramming callbacks.

Episode 113: Visualize Twitter #tags in Real Time

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