Geohash: Difference between revisions

Minor tidying of task description.
(Added Wren)
(Minor tidying of task description.)
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{{draft task}}
{{draft task}}Geohashes[https://en.wikipedia.org/wiki/Geohash] are used to represent standard latitude and longitude coordinates as single values in the form of a simple string -- using the digits (0-9) and the letters (B-Z excluding I, L, O). They can vary in length, with more characters in the string representing more precision.
 
 
;''Task''
Generate a Geohash with a desired precision from a coordinate represented as an array of two doubles, latitude and longitude.
 
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From the Wikipedia page, geohashes can be "useful in database systems where queries on a single index are much easier or faster than multiple-index queries."
 
 
;Reference
* [[wp:Geohash|Wikipedia article - Geohash]].
 
 
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