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The Purpose of the Rails RouterThe Rails router recognizes URLs and dispatches them to a controller’s action. It can also generate paths and URLs, avoiding the need to hardcode strings in your views.1.1 Connecting URLs to CodeWhen your Rails application receives an incoming requestGET /patients/17it 阅读全文
摘要：
Using MongoMapper with Rails 3 is easier than ever. Thanks to new features in ActiveSupport, and the new ActiveModel framework (which MongoMapper 0.9+ uses), your app can be up and running on MongoDB in a matter of seconds.First, if you’re generating a new Rails 3 application, it is recommended to l 阅读全文
摘要：
一、准备工作1、 下载mongoDB下载地址：http://www.mongodb.org/downloads选择合适你的版本相关文档：http://www.mongodb.org/display/DOCS/Tutorial2、 安装mongoDBA、 不解压模式：将下载下来的mongoDB-xxx.zip打开，找到bin目录，运行mongod.exe就可以启动服务，默认端口27017，db保存的路径是系统C硬盘目录的根目录的/data/db目录。也就是说，如果你的mongoDB-xxx.zip在E盘，那么你需要在C盘下建立data/db目录。mongoDB不会帮你建立这个目录的。然后运行mo 阅读全文