I'll write something here some time...
Q&A for professional and enthusiast programmers
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Q&A for computer enthusiasts and power users
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Q&A for professional programmers interested in conceptual questions about software development
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Q&A for people studying math at any level and professionals in related fields
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Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
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Stack Exchange Network staging zone, where users come together to build new Q&A sites
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