在Openshift上安装Thinking Sphinx - Rails(Installing Thinking Sphinx on Openshift - Rails)

 在Cocoa中， NSObject类是框架的基础，但不是Objective-C语言本身。 在Objective-C中，可以通过不从任何东西派生来创建一个根类（但为了使其工作起来，您可能必须破解通过运行时调用的方式）。 
 
 同样，一些基于C ++的框架可能会定义一个根类，该框架中的所有其他类都来源于该类，但它是特定于框架的，而不是语言。 

In Cocoa, the NSObject class is fundamental to the framework but not to the Objective-C language itself. In Objective-C, it is possible to create a root class by not deriving from anything (but in order to make it work you'll probably have to hack your way through runtime calls).
 
Similarly, some C++-based frameworks may define a root class that all other classes in that framework derive from, but it is specific to the framework, not the language.