浙江省高等学校教师教育理论培训

摘要： Rails Plugin: Paperclip Questionup vote5down votefavorite2How can I prevent the image tag that calls the associated image from displaying if no image is associated with the record?...gives me the text... 阅读全文

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摘要： http://www.kuqin.com/rubycndocument/index.html Ruby数组操作的总结 学习Ruby过程中总结了一些Ruby中常用的数组操作。1、数组定义arr1=[]arr2=Array.newarr3=['1','2','3']2、输出printarr3,"\n"#123putsarr3[0]#1printarr3.join(",")#1,2... 阅读全文

摘要： http://www.kuqin.com/rubycndocument/index.html 阅读全文

摘要： 技术感言，凡事不可太尽http://yehudakatz.com/2009/12/26/the-rails-3-router-rack-it-up/ 阅读全文

摘要： hpricot 阅读全文

摘要： http://www.uploadify.com/documentation/ 阅读全文

摘要： http://ruby-doc.org/ 阅读全文

摘要： http://yc75.javaeye.com/blog/379929"100x100>".scan(/\d+/)=> ["100", "100"] 阅读全文

摘要： 2009-08-04Ruby数组操作总结数组的创建 arr = Array.new num #创建num个元素的数组，所有数组元素为nil arr = Array.new num, elem #创建num个元素的数组，所有数组元素为elem arr = Array(m..n) #创建m..n元素为m到n的数组（包括n) m...n不包括n arr = (Array)[elem1, elem2,.... 阅读全文

摘要： <%= form_for (@upload, :html => { :multipart => true }) do |f| %>wrong<%= form_for(@upload, :html => { :multipart => true }) do |f| %>right怎么不能差一个空格，不是说是ruby语法松散吗 阅读全文

摘要： http://rio.rubyforge.org/适合做后台管理菜单 阅读全文

摘要： http://yuan.javaeye.com/blog/604174好文http://trevorturk.com/2009/03/22/randomize-filename-in-paperclip/http://trevorturk.com/2008/12/11/easy-upload-via-url-with-paperclip/ rails console下利用paperclip处理远程... 阅读全文

摘要： rails g paperclip user avatar这样生成了一个migration file,下面这段是自动生成滴view sourceprint?01classAddAttachmentAvatarToUser< ActiveRecord::Migration02def self.up03add_column :users, :avatar_file_name, :string04... 阅读全文

摘要： http://deepliquid.com/content/Jcrop_Download.html 阅读全文

摘要： jquery-option-tree is a jquery plugin help you presentation &maintaina tree structure very easy with json data.you only need to build a nested json string on server-side.this is very easily with r... 阅读全文

摘要： Me No Blog Hella Ugly!April 10th, 20092 commentsWelcome to the 2000’s, self!I’m ever so excited to be blogging at a blog that not only understands code highlighting, but doesn’t loo... 阅读全文

摘要： Me No Blog Hella Ugly!April 10th, 20092 commentsWelcome to the 2000’s, self!I’m ever so excited to be blogging at a blog that not only understands code highlighting, but doesn’t loo... 阅读全文

摘要： Me No Blog Hella Ugly!April 10th, 20092 commentsWelcome to the 2000’s, self!I’m ever so excited to be blogging at a blog that not only understands code highlighting, but doesn’t loo... 阅读全文

摘要： http://stackoverflow.com/questions/3608287/installing-mysql2-gem-for-rails-3when you migrate from sqlite to mysqlyou need use rake db:schema:load to load schma to new dbrails destroy model GiftsProduc... 阅读全文