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How do I get SUM function in MySQL to return '0' if no values are found?
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Use COALESCE to avoid that outcome.
SELECT COALESCE(SUM(column),0)
FROM table
WHERE ...
To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with ...
Increasing the timeout value in a WCF service
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45
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Calling static generic methods
I have come across a curious situation involving static generic methods. This is the code:
1 Answer
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How is the “greater than” or “>” character used in CSS?
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140
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WPF text Wrap vs WrapWithOverflow
...erlight. Only Wrap and NoWrap are supported in Silverlight. msdn.microsoft.com/en-us/library/…
– blachniet
Aug 26 '12 at 0:17
3
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npm - install dependencies for a package in a different folder?
... BTW, it creates empty etc folder in destination, it's a known bug github.com/npm/npm/pull/7249
– Mikhail Radionov
Oct 28 '15 at 9:03
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What are the differences between git remote prune, git prune, git fetch --prune, etc
...ual branch on the remote repository
(e.g., remote repo at https://example.com/repo.git, refs/heads/master)
Your snapshot of that branch locally (stored under refs/remotes/...)
(e.g., local repo, refs/remotes/origin/master)
And a local branch that might be tracking the remote branch
(e.g., local r...
Can git automatically switch between spaces and tabs?
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Here is the complete solution:
In your repository, add a file .git/info/attributes which contains:
*.py filter=tabspace
Linux/Unix
Now run the commands:
git config --global filter.tabspace.smudge 'unexpand --tabs=4 --first-only'
g...