Tutorial by Topics: can



An error 1009 is a general error that arises when you are trying to receive a value out of a variable or property that has a value of null. The examples provided expose various cases where this error arises, together with some recommendations on how to mitigate the error.

CanCan is a simple authorization strategy for Rails which is decoupled from user roles. All permissions are stored in a single location.


Page 1 of 2