From: Ralph Shnelvar <ralphs@...32.com>
Date: 2010-01-09T14:43:47+09:00
Subject: Re: Something changed an instance variable ... and now I'm confused

Brian,

Friday, January 8, 2010, 1:45:34 PM, you wrote:

BC> Rick Denatale wrote:
>> Is activation_code an attribute of an ActiveRecord model?

>> If so then the value isn't stored in an instance variable

BC> I believe it's stored in @attributes (which is a Hash)

>> You need something like:

>> def activation_code=(arg)
>>     puts at_file_line_msg(__FILE__, __LINE__)
>>           puts "arg=" + arg
>>     self['activation_code'] =arg
>>     debugger
>>     arg    # strictly speaking you don't really need this since ruby
>> assignments via an x= method ignore the return value
>> end

BC> Should be cleaner to use: write_attribute('activation_code', arg)

BC> If you have the Agile Web Development with Rails book, look up 'facade
BC> columns' in the index.

To both Brian and Rick, thank you.

Is there another way to determine why a particular value changed and/or when it is assigned to?