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Ruby on Rails 3 - gmaps4rails.
Enables easy display of markers, polylines, polygons, ...
Warning: Since 0.9.0, 'add_markers' and 'replace_markers' are replaced with 'addMarkers' and 'replaceMarkers'.Gmaps4rails makes it easy to create Maps with Ruby on Rails 3. It uses Google Maps API V3.
Learn to refresh your map with ajax and much more.
First tutorial here: http://www.youtube.com/watch?v=Y...