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hit4

[code="ruby"] class FileUpload < ActiveRecord::Base has_attachment :size => 1..1.megabyte, :path_prefix => "public/uploadedfiles", :storage => :file_system end class Post...

2008-12-02 14:41:08 171

rails hit three

[code="ruby"] Title def list sort_by=params[:sort_by] @book_pages,@books = paginate :books,:order => sort_by, :per_... end #no ajax order #change gem to plugin cd vendor/plugins gem unp...

2008-09-10 14:50:12 111

rails hit two

[code="ruby"] #counter_cache in father table sons_count:integer in son model belongs_to :father,:counter_cache => true #select a category or create one attr_accessor :new_category_one #...

2008-09-03 16:37:14 135

rails hit one

[code="ruby"] //has_and_belongs_to_many link by middle table has_many :moderators, :through => :moderatorships, :source => :user, :order => "#{User.table_name}.login" ...

2008-08-29 13:15:24 114

Mysql using utf8; so when Rails and Php query records from tables should set encoding=utf8; about Rails refer another article; and the php,first be sure the editor save php file set the encoding utf8;...

2007-10-18 15:16:40 165

How to install Smarty in Windows

Installing Smarty in Windows This document assumes that your webserver and php5 is running. Download Smarty - http://smarty.php.net Installation - Windows, IIS/Apache, PHP5 Extract files, rename Sm...

2007-10-17 11:36:44 103

Rmagic

http://rubyforge.org/frs/download.php/6276/RMagick-1.9.2-IM-6.2.4-6-win32.zip cd D:\Downloads\rails\RMagick unzip RMagick-1.9.2-IM-6.2.4-6-win32.zip cd D:\Downloads\RMagick\RMagick-1.9.1-IM-6.2.3-win...

2007-09-12 00:56:43 165

Rails日志文件

rails的日志文件存在于app/log下面。对于不同环境产生的日志内容会有差别。development下会把每次对数据库的访问代码包含进去，production会省略，不过也有很多的内容。在environment.rb中有 config.log_level = :debug 如果只希望在production环境下，输入少量的log, 则只需要在config/environments/p...

2007-09-03 02:09:44 132

will_paginate的使用

rails自带的分页功能有限，加上will_paginate插件能够很强的增加功能 1.一对多的分页最简单：比如一个类目下很多文章，要显示气象学下的所有文章并20篇分为一页： def show @category = Category.find(params[:id],:include=>:papers]) @papers=Paper.pagina...

2007-08-23 14:12:56 135

回到了windows的环境

用ubuntu一个月，终于回到了windows.不是ubuntu，我很喜欢她，美丽，快捷，方便，动感。可是再好的不适合我，也是不能久留的。 ubuntu是个很棒的系统，forum.ubuntu.org.cn是一步步伴随我学会使用他的。自己刻盘安装（iso刻为镜像文件才能通过光驱启动）--安装scit，jdk，mysql，netbeans,sopcast,virtualbox，aruzus,...

2007-08-21 13:53:35 82

ubuntu add/remove software by command

Ubuntu软件安装与删除相关命令安装软件命令： apt-get install softname1 softname2 softname3…… 卸载软件命令： apt-get remove softname1 softname2 softname3…… 卸载并清除配置命令： apt-get remove --purge softname1 更新软件信息数据库命令： apt-get up...

2007-07-20 07:05:46 215

Netbeans6界面字体的修改

Netbeans6 的界面字体太小了，看得眼睛疼，修改成12比较好。 /安装目录/etc/netbeans.conf是保存基本配置的地方，只有从这里才能修改字体。 netbeans_default_options="-J-Xms32m -J-Xmx256m -J-XX:PermSize=32m -J-XX:MaxPermSize=160m -J-Xverify:none -J-Dapp...

2007-06-08 15:41:41 256

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