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romaimperator/wtf.rb

Created June 25, 2013 22:43
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wtf.rb
# Returns true if the "X-Requested-With" header contains "XMLHttpRequest"
# (case-insensitive). All major JavaScript libraries send this header with
# every Ajax request.
def xml_http_request?
@env['HTTP_X_REQUESTED_WITH'] =~ /XMLHttpRequest/i
end
alias :xhr? :xml_http_request?
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