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How to skip “are you sure Y/N” when deleting files in batch files
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answered Aug 23 '11 at 11:34
Kerrek SBKerrek SB
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What data is stored in Ephemeral Storage of Amazon EC2 instance?
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Jude Niroshan
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answered Jul 19 '12 at 17:35
digitaljoeldigit...
What is the difference between connection and read timeout for sockets?
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2 Answers
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Difference between Dictionary and Hashtable [duplicate]
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edited May 3 '11 at 16:53
Gabe
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Deleting DataFrame row in Pandas based on column value
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answered Aug 11 '13 at 14:38
tshaucktshauck
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Unsigned keyword in C++
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tacaswell
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answered Jan 20 '10 at 8:14
futureelite7futur...
How do I get SUM function in MySQL to return '0' if no values are found?
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307
Use COALESCE to avoid that outcome.
SELECT COALESCE(SUM(column),0)
FROM table
WHERE ...
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