Displaying 1 result from an estimated 1 matches for "var_in_database".
2007 May 20
2
Newbie question - self.var OR @var in ActiveRecord
I started learning rails by following the agile way. It comes to the
point where it puzzles me.
class Puzzle < ActiveRecord::Base
# virtual var, not existing in the database
def var
@var
end
def var=(foo)
@var= foo
@var_in_database = @var + 1 # var_in_database exists in database
end
end
Then when I do a save of this model it does nothing. I know that if I
instead put self.var_in_database it would work perfectly, but from my
limited knowledge of ruby @var should be working like self.var in most
cases. Now it is the rare ca...