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Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 5 posts.
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Stack Overflow Creative Commons Data Dump
We decided early on that all user-generated content on Stack Overflow would be under a Creative Commons license . All those great Stack Overflow questions, answers, and comments, so generously contributed by all of you , are licensed under cc-wiki (also known as cc-by-sa ):
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Google Open Source Blog: Introducing Android Scripting Environment
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
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The most surprising thing I've seen in 2009, courtesy of Etherpad
Real-time collaborative editing where authorship is the default, your server is the only server, and you decide what AI (if any) ever touches your text.