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Every Rails response has a default ETag header. In theory this would enable caching for multiple requests to the same resource. Unfortunately the default ETags produced by Rails are effectively...

...random, meaning they can never match a future request. Understanding ETags When your Rails app responds with ETag headers, future requests to the same URL can be answered with an...

...must be translated: Screens, mailer templates, PDF templates, helpers, sometimes models. Use the native Rails I18n API. Avoid Gettext if possible. Native I18n has good integration with Rails (you already...

...Rails framework can be overridden in locale dictionaries (e.g. config/locales/de.yml). There's an awesome gem rails-i18n that gives you default dictionaries for many languages. Note that even though all...