... the way, the author provides detailed commentary and explanations to aid your understanding RAILSSPACE MICHAEL HARTL and AURELIUS PROCHAZKA ISBN: 0-321-48079-1 Ruby on Rails is fast displacing ... geographical location, 350 GeoData, 352–355 local databases, 351–352 names, 355–358 validation, 358–363 button to function, 81 button to function function, 499 Caching, 510 Calculations for distances ... considerations 507 Listing 17.1 config/database.yml development: adapter: mysql database: rails_ space_development username: root password: host: localhost test: adapter: mysql database: rails_ space_test...