Created
December 12, 2012 04:01
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use geocoder(gem) to find postal code from a city
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| Geocoder.coordinates("Shanghai, China") | |
| => [31.230393, 121.473704] | |
| results = Geocoder.search('31.230393, 121.473704') | |
| r = results.first | |
| r.postal_code |
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奇怪的，居然弄成了匿名gist, 貌似正在改版，原地址（木有样式）：https://gist.github.com/4264746