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http://ruby-doc.org/core-2.1.2/Regexp.htmlRegexpARegexpholds a regular expression, used to match a pattern against strings. Regexps are created using ... 阅读全文
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Basic GitHub CheckoutThis will get you going with the latest version of rbenv and make it easy to fork and contribute any changes back upstream.Check ... 阅读全文
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top命令进程太多,实时的只查看所有的系统运行的ruby的进程:top -d 1 -p `pgrep -d, ruby` 阅读全文
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Form 的样式，可以参考http://getbootstrap.com/css/#forms "form-control" %> "form-control"%> "form-cont... 阅读全文
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http://docs.mongodb.org/manual/reference/command/renameCollection/db.source-namespace.renameCollection( "target" )比如把users 替换成 all_usersdb.users.renam... 阅读全文