Flowdock
method

etag=

Importance_0
v2.3.2 - Show latest stable - 0 notes - Class: ActionController::Response
etag=(etag) public

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# File actionpack/lib/action_controller/response.rb, line 118
    def etag=(etag)
      if etag.blank?
        headers.delete('ETag')
      else
        headers['ETag'] = %("#{Digest::MD5.hexdigest(ActiveSupport::Cache.expand_cache_key(etag))}")
      end
    end
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