search_example http://dev.mikamai.com/post/77171462056/easy-full-text-search-with-postgresql-and-rails https://github.com/Casecommons/pg_search
create database search_example_development; \c search_example_development; CREATE EXTENSION IF NOT EXISTS pg_trgm; CREATE EXTENSION IF NOT EXISTS fuzzystrmatch; в psql
educator http://www.sitepoint.com/go-global-rails-i18n/
i18n rails apps