2014年6月18日
the progressbar and Tempfile
摘要： https://github.com/peleteiro/progressbargem install progressbargem 'progressbar', '~> 0.21.0'% irb --simple-prompt -r progressbar>> pbar = ProgressBar... 阅读全文
posted @ 2014-06-18 20:02 冰凌花花～ 阅读(194) 评论(0) 推荐(0)
the join and dump method
摘要： join(string, ...) Returns a new string formed by joining the strings using File::SEPARATOR.File.join("usr", "mail", "gumby") #=> "usr/mail/gumby"rea... 阅读全文
posted @ 2014-06-18 19:22 冰凌花花～ 阅读(130) 评论(0) 推荐(0)
mongoid
摘要： http://mongoid.org/en/mongoid/docs/querying.html#querieshttp://docs.mongodb.org/manual/reference/operator/query-comparison/gt大于, gte大于等于,lt小于, lte小于等于... 阅读全文
posted @ 2014-06-18 14:46 冰凌花花～ 阅读(278) 评论(0) 推荐(0)