1, set As already introduced the use of set, there is only one element brief elements: If the one-to-many multi-table in the small field, you can establish a mapping file do not have a separate, more ...
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JS package or object type of the best programs The advantages of object-oriented is one of the powerful ability to create their own special class or object, package a group of properties and behavior. ...
From the network installation gem install mysql gem install mysql - - with-mysql-dir = / usr / local / mysql Downloaded from the site of local installation gem install mysql-2.7.gem Some people say us ...
What is a Java software development Wencui of sunflower Baodian Release Time: 2009.03.30 04:38 Source: Microsoft Author: yan Chinese martial arts novels of the National People's Congress have used ...
JE at english on Rails File Upload, found that most found the article, because both versions of the problem can not be used. For instance: hideto boss of Rails File Upload Or, the most typical file_fi ...
Introduction: Firebug command line are in one of the most useful features. If you have been using Visual Studio (referred to as VS) the experience of development projects, they should know you in the ...
Because of the recent study used this thing, so recorded for future reference Main function is to use acts_as_tree and XTree to achieve dynamic tree structure 1, about XTREE Download: You can search o ...
rails upgrade steps Keyword: rails2.0, version upgrade 1, update gem Command: gem update - system 2, update rails Command: gem update rails - include-dependencies 3, rubygems will automatically save t ...