{"user"=>
{"bio"=>"rubyist",
"created_at"=>"2011-05-03T15:21:46+02:00",
"email"=>"[email protected]",
"id"=>61, "name"=>"paul",
"updated_at"=>"2011-05-03T15:21:46+02:00"}}
{"user"=>
{"bio"=>"rubyist",
"created_at"
阅读背景：
使用单引号和双引号查询Ruby中的Hash有什么区别？
来源：互联网
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