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Sql Server equivalent of a COUNTIF aggregate function
... a CASE statement, like this:
SELECT SUM(CASE WHEN myColumn=1 THEN 1 ELSE 0 END)
FROM AD_CurrentView
Note: in my own test NULLs were not an issue, though this can be environment dependent. You could handle nulls such as:
SELECT SUM(CASE WHEN ISNULL(myColumn,0)=1 THEN 1 ELSE 0 END)
FROM AD_Curren...
pandas three-way joining multiple dataframes on columns
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How do I explicitly instantiate a template function?
...alization?
– Nawaz
Feb 8 '11 at 12:50
5
Not true. You can tell the compiler to explicitly instant...
What makes JNI calls slow?
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+50
First, it's worth noting that by "slow," we're talking about something that can take tens of nanoseconds. For trivial native methods, ...
throw new std::exception vs throw std::exception
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The conventional way to throw and catch exceptions is to throw an exception object and to catch ...
How to count total number of watches on a page?
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(You may need to change body to html or wherever you put your ng-app)
(function () {
var ro...
Scala actors: receive vs react
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answered Aug 9 '09 at 16:43
Daniel C. SobralDaniel C. Sobral
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Android: how to make an activity return results to the activity which calls it?
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edited May 29 '18 at 21:01
hauron
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answered Feb...
What are all the differences between src and data-src attributes?
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answered Mar 10 '13 at 8:25
Jukka K. KorpelaJukka K. Korpela
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How can I split a shell command over multiple lines when using an IF statement?
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Mark ReedMark Reed
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