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Return 0 if field is null in MySQL
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Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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CATALINA_OPTS vs JAVA_OPTS - What is the difference?
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1 Answer
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Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
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edited Oct 7 '15 at 19:19
David Ferenczy Rogožan
16.7k88 gold badges6262 silver badges6363 bronze badges
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LINQ query to return a Dictionary
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edited May 16 '09 at 19:36
answered Mar 9 '09 at 20:23
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How does generic lambda work in C++14?
How does generic lambda work ( auto keyword as an argument type) in C++14 standard?
3 Answers
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Change how fast “title” attribute's tooltip appears
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edited Dec 11 '15 at 22:08
Charles Watson
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Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop
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Revert changes to a file in a commit
...est way I've seen of doing this is described here
git show some_commit_sha1 -- some_file.c | git apply -R
Similar to VonC's response but using git show and git apply.
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