04 2013 档案

bash
摘要：我的电脑ubutualias等bash命令添加到~/.bash_profile。打开终端时会自动加载 阅读全文
posted @ 2013-04-24 00:28 scu张小磊 阅读(88) 评论(0) 推荐(0)
wps坑爹
摘要：太长显示不全，竟然全部是########。fck 阅读全文
posted @ 2013-04-19 13:45 scu张小磊 阅读(89) 评论(0) 推荐(0)
锁定屏幕
摘要：CTRL + S 暂停屏幕CTRL + Q 恢复 阅读全文
posted @ 2013-04-18 13:41 scu张小磊 阅读(90) 评论(0) 推荐(0)
url编码
摘要：url链接须转码url = URI.escape(url) 阅读全文
posted @ 2013-04-17 18:08 scu张小磊 阅读(90) 评论(0) 推荐(0)
rake，错误
摘要：(tuan) rvm/gems/ruby-1.8.7-p371@tuan800/gems/newrelic_rpm-3.5.8.72/lib/new_relic/rack/browser_monitoring.rb:12:in `call' lib/website/middlewares/grid_fs_server.rb:55:in `call' lib/website/middlewares/downcase_route_middleware.rb:12:in `call'原因：rake版本应该是0.8.7 阅读全文
posted @ 2013-04-17 11:19 scu张小磊
git显示分支
摘要：显示git分支信息 将.git-prompt.sh放到 ~/目录， 将source~/.git-prompt.sh放到bashrc文件中显示当前完整路径PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\]\w\[\033[01;31m\]$(__git_ps1"(%s)")\[\033[01;36m\]\$\[\033[0;37m\]' 阅读全文
posted @ 2013-04-15 18:15 scu张小磊 阅读(190) 评论(0) 推荐(0)
mongoid
摘要：Queryable#allAdd $all selection. Documents must match all values provided in the array.Also can be written with:Queryable#all_in如果是一个数组，用in组whereconditions = {}conditons[:id.in] = [1,2,3] 阅读全文
posted @ 2013-04-12 16:37 scu张小磊 阅读(90) 评论(0) 推荐(0)
views helper
摘要：1 <%= link_to '详情', admin_user_grades_path(:grade => key[0]) %>传递参数 阅读全文
posted @ 2013-04-10 17:39 scu张小磊 阅读(60) 评论(0) 推荐(0)
match
摘要：1：m = 'cheng/1111/show/353443'.match(/(\/)(\d+)$/)=> #<MatchData "/353443" 1:"/" 2:"353443">2：m = 'cheng/1111/show/353443'.match(/(\/)(\d+)/)#<MatchData "/1111" 1:"/" 2:"1111"> m[0]=> "/1111",(表示整 阅读全文
posted @ 2013-04-10 15:01 scu张小磊 阅读(130) 评论(0) 推荐(0)