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COALESCE Function in TSQL
...not sure why you think the documentation is vague.
It simply goes through all the parameters one by one, and returns the first that is NOT NULL.
COALESCE(NULL, NULL, NULL, 1, 2, 3)
=> 1
COALESCE(1, 2, 3, 4, 5, NULL)
=> 1
COALESCE(NULL, NULL, NULL, 3, 2, NULL)
=> 3
COALESCE(6, 5, 4, ...
How to get the list of all installed color schemes in Vim?
Is there a way to get a list of all installed color schemes in Vim? That would make very easy to select one without looking at the .vim directory.
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Do I need a Global.asax.cs file at all if I'm using an OWIN Startup.cs class and move all configurat
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Startup.Configuration gets called slightly later than Application_Start, but I don't think the difference will matter much in most cases.
I believe the major reasons we kept the other code in Global.asax are:
Consistency with previous versions of MVC...
Find all storage devices attached to a Linux machine [closed]
I have a need to find all of the writable storage devices attached to a given machine, whether or not they are mounted.
7...
Replace all elements of Python NumPy Array that are greater than some value
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
... be "Property". Best practice to declare "Property" access type is to move ALL the annotations from the member properties to the corresponding getters. A big word of caution is not to mix "Field" and "Property" access types within the entity class otherwise the behavior is undefined by the JSR-317 s...
How does one change the language of the command line interface of Git?
I’d like to change the language of git (to English) in my Linux installation without changing the language for other programs and couldn’t find the settings.
How to do it?
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How can I select all children of an element except the last child?
How would I select all but the last child using CSS3 selectors?
9 Answers
9
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CASCADE DELETE just once
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If you really want DELETE FROM some_table CASCADE; which means "remove all rows from table some_table", you can use TRUNCATE instead of DELETE and CASCADE is always supported. However, if you want to use selective delete with a where ...
in_array multiple values
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if(count(array_intersect($haystack, $target)) == count($target)){
// all of $target is in $haystack
}
Note that you only need to verify the size of the resulting intersection is the same size as the array of target values to say that $haystack is a superset of $target.
To verify that at lea...