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      Mike Perham just released Sidekiq Pro which implements a novel licensing method similar to this. When you buy a license you get a custom git URL for your Gemfile. When the license expires your URL goes dead, you lose future upgrades, and your Gemfile is broken.

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        Kill Math is another take on this thought: computers can help us visualize problems better than the pencil/paper approach. The author (Bret Victor) also has one of my favorite articles on programming visualization: Ladder of Abstraction and the video Inventing on Principle

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          Anyone want to take a guess at what the rocket logo is in the screenshot? I wonder if they are planning on launching a deployment service of some kind.

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            It’s a link to our Admin page. Nothing exciting :)

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              Oh well, still a great blog post. Are any components, such as the graph dashboard, open source?

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                Can’t answer for github, but they mentioned graphite, which is commonly used with statsd to generate realtime graphs. Posts by etsy, shopify and 37signals

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                  Most of the data is just hijacked from other gems like rack-bug or pulled from Graphite and added to our bar.

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                  How about the nav button to the left of “Code”? Or the “search or type a command”?