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Qiang Xue
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577 followers
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Qiang's posts

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I defended against a #zergrush on Google Search.

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Jobs passed away... http://www.apple.com/stevejobs/

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Geohash is nice: http://en.wikipedia.org/wiki/Geohash
Was using a spatial index in mysql to search for nearby POIs. Couldn't tell much difference in speed when compared to using btree index with latitude and longitude. I believe this geohash technique should improve the speed a lot.
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