method
head
v7.1.3.2 -
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Class: ActionController::Head
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head(status, options = nil)
public
Returns a response that has no content (merely headers). The options argument is interpreted to be a hash of header names and values. This allows you to easily return a response that consists only of significant headers:
head :created, location: person_path(@person) head :created, location: @person
It can also be used to return exceptional conditions:
return head(:method_not_allowed) unless request.post? return head(:bad_request) unless valid_request? render
See +Rack::Utils::SYMBOL_TO_STATUS_CODE+ for a full list of valid status symbols.