{"creator"=>{"siteStandardProfileRequest"=>{"url"=>"http://www.linkedin.com/profile?viewProfile=&key=966636&authToken=TVqk&authType=name&trk=api*a188142*s196271*"}, "lastName"=>"Emge", "id"=>"EZDn5fpc6X", "pictureUrl"=>"http://m3.licdn.com/mpr/mprx/0_gxkFOrh6iNKSaMhhxOX4OPnLizvm2VTh0ZKZOPFJpPTY1Yn8AMNIK1PcD4zl7j82yyQJAqJM7R4U", "firstName"=>"Ryan O."}, "creationTimestamp"=>1355124057000, "text"=>"Being that it positions itself as a the backbone of the internet, it appears that there will be many long term opportunities in this space.", "id"=>"g-66325-S-194331620-108220061"}
但是creationTimestamp
有这种格式1355124057000
。我想把它改成Sat Dec 15 04:13:14 +0000 2012
. 我在 rails、ruby 1.8.7 和 rails 3.0.4 上使用 ruby
我该如何更改?