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Turn off CSRF token in rails 3

I have a rails app that serves some APIs to an iPhone application. I want to be able to simply post on a resource without minding on get the correct CSRF token. I tried some methods that I see here in stackoverflow but it seems they no longer work on rails 3. ...
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inserting characters at the start and end of a string

...mber of L's at the beginning and end of a string. So if I have a string which says 7 Answers ...
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Why use make over a shell script?

Make seems to me simply a shell script with slightly easier handling of command line arguments. 5 Answers ...
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What format string do I use for milliseconds in date strings on iPhone?

I'm required to parse strings in a format that includes milliseconds. What format string do I use to get the right date value? ...
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iOS: Access app-info.plist variables in code

I am working on a Universal app & would like to access the values stored in app-info.plist file in my code. 5 Answers ...
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Handler is abstract ,cannot be instantiated

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How do I use extern to share variables between source files?

I know that global variables in C sometimes have the extern keyword. What is an extern variable? What is the declaration like? What is its scope? ...
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How do you discover model attributes in Rails?

I am finding it difficult to easily see what attributes/properties exist on all of my model classes since they are not explicitly defined in my class files. ...
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No secret option provided to Rack::Session::Cookie warning?

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Record file copy operation with Git

... that the file has been renamed and even if I alter some portions it still considers to be almost the same thing (which is good because it lets me follow the history of it). ...