nivta
firefox.exe -ProfileManager
| css强制换行：word-break:break-all;word-wrap:break-word; |
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| gem install --version=1.2.5 rails --include-dependencies |
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| killall -9 dispatch.fcgi /etc/init.d/lighttpd restart |
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| resources方法一些参数: :controller -- specify the controller name for the routes. :singular -- specify the singular name used in the member ro ... ... |
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| skip_before_filter :login_required |
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| save(false)会skip validation |
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| My english is ill, but I can undersand on you if the speaking is slowly. |
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| 下面提到两种间接访问blogspot的方式: (1) nyud.net:8090, http://***.blogspot.com.nyud.net:8090/ (2) http://***.blogspot.com => http://www.pkblogs.co ... ... |
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| 浏览器的默认字体高都是16px，所以未经调整的浏览器在显示1em=16px。换算过来的话也就是说1px=0.0625em，也就是12px= 0.75em, 10px=0.625em，通过1px=0.0625em大家可以在CSS编写时通过px转换成em。 ... |
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| ActionMailer::Base.smtp_settings = { #2.0 smtp_settings ,1.2 server_settings ... } |
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| overflow:hidden; white-space:nowrap; width:122px; |
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| 1、用gem uninstall 首先删除以前的版本，gem uninstall rails 安装新版本, 同一所述 2、gem cleanup 按照一中的方法安装完成后，1.2.1和1.1.6是共存的，如果想清除所有已安装的老版本gem，直接运行 gem cleanup 即可 ... |
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| gem uninstall rubygems-update |
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| rails myapp-name --database=mysql' |
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| rake db:test:clone_structure |
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| auto_link(text, link = :all, href_options = {}, &block) |
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| sudo gem install rspec |
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| 常用的压缩和解压缩操作： tar cf mt.tar mt-3.34-en 把mt-3.34-en压缩成 mt.tar tar cfz mt.tar.gz mt-3.34-en 把mt-3.34-en压缩成mt.tar.gz tar xvf mt.tar 解 ... ... |
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| <%= f.collection_select :category_id, Category.find(:all), :id, :name, :prompt => "Select a Category" %> |
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