Yahoo geocoding in Ruby
Geocoding with geocoder.us and Ruby
Google Maps and Proximity queries
Geocoder.us
Ruby on Rails - Scaffolding
Adventures of scaling Ruby on Rails
Entrepreneurs of New Tech
Mapping non-standard column types in Ruby on Rails
How to make your own annotated Google Map
Google maps standalone mode
XML Web services and GIS
Amazon excerpts from a good GIS book
OpenGeoSpatial.org
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XML and GIS Web Services - Part #2
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GIS Web Services
SVG, WSDL and GIS