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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...

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...

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...

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

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

[code="ruby"]#counter_cachein father table sons_count:integerin son model belongs_to :father,:counter_cache => true#select a category or create oneattr_accessor :new_category_one #...

[code="ruby"]Titledef list sort_by=params[:sort_by] @book_pages,@books = paginate :books,:order => sort_by, :per_...end#no ajax order#change gem to plugincd vendor/pluginsgem unp...

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