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Should delta raise exception when not available?
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From: |
Banlu Kemiyatorn |
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Subject: |
Should delta raise exception when not available? |
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Date: |
Sun, 19 Dec 2010 00:46:27 +0700 |
Hi,
What's the reason behind that delta should raise exception when the
value was not available?
Why not just returning 0.?
Thanks,
Banlu
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