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Computer Science 10 Online
OpenStudy (anonymous):

I can't get this to work. Anyone familiar with using postGIS on Rails? scope :recent, lambda {|lat, lng| point = Point.from_lon_lat(lng, lat, SRID) non_silent_within_72_hours. where("ST_DWithin(posts.point, ST_GeomFromEWKT('#{point.as_ewkt}'), 1.0)") } I can't get this to work. Anyone familiar with using postGIS on Rails? scope :recent, lambda {|lat, lng| point = Point.from_lon_lat(lng, lat, SRID) non_silent_within_72_hours. where("ST_DWithin(posts.point, ST_GeomFromEWKT('#{point.as_ewkt}'), 1.0)") } @Computer Science

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