Flowdock
method

[]=

Importance_0
Ruby on Rails latest stable (v4.2.1) - 0 notes - Class: Header
[]=(k,v) public

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# File actionpack/lib/action_controller/metal/live.rb, line 214
        def []=(k,v)
          if @response.committed?
            raise ActionDispatch::IllegalStateError, 'header already sent'
          end

          super
        end
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