Pharocasts: Dynamic finder with #doesNotUnderstand, #perform and Regex

Here: http://pharocasts.blogspot.com/2010/05/dynamic-finder-with-doesnotunderstand.html

This is the sequel to SandstoneDb, simple ActiveRecord style persistence screencast.

I show how to:
- override Object#doesNotUnderstand in your class to answer to unknown messages
- use regular expressions to extract substrings
- use #perform: and #perform:with: to send a message dynamically
- develop new code in the debugger without stopping current call.


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