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Aggregate function in an SQL update query?
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this didn't work for me, because t2.filed3 was the same name as table1.field2, so the join performed behind the scenes didn't work properly. (I assuem there's a join behind the scenes)
– Joe
Aug 2 '19 at 15:06
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Django ManyToMany filter()
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Can you please say, what to do if I want the users who are in a set of zones not just any one of them? Lets say find user who are in zone1, zone3, .. and zone 10
– FRR
Oct 3 '18 at 5:26
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Looking for files NOT owned by someone
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The find(1) utility has primaries that can be negated ("reversed") using the "!" operator. On the prompt one must however escape the negation with a backslash as it is a shell metacharacter. Result:
find . \! -user foo -print
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Why are ToLookup and GroupBy different?
...d I ever bother with GroupBy? Why should it exist?
What happens when you call ToLookup on an object representing a remote database table with a billion rows in it?
The billion rows are sent over the wire, and you build the lookup table locally.
What happens when you call GroupBy on such an objec...
Difference between double and single curly brace in angular JS?
...if="zoo.enclosure.inmatesCount == 0">
Alarm! All the monkeys have escaped!
</div>
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Does Notepad++ show all hidden characters?
...to enable this depends on your version of Notepad++. On newer versions you can use:
Menu View → Show Symbol → *Show All Characters`
or
Menu View → Show Symbol → Show White Space and TAB
(Thanks to bers' comment and bkaid's answers below for these updated locations.)
On older versions ...
Git submodule inside of a submodule (nested submodules)
...... then git submodule update --recursive
– Joseph DeCarlo
Mar 27 '12 at 14:19
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Ruby on Rails Callback, what is difference between :before_save and :before_create?
...plain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails validations? Does validation occur after :before_save or :before_create ?
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How to get a index value from foreach loop in jstl
...atus to get the index c:forEach varStatus properties
<c:forEach var="categoryName" items="${categoriesList}" varStatus="loop">
<li><a onclick="getCategoryIndex(${loop.index})" href="#">${categoryName}</a></li>
</c:forEach>
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MySQL - ORDER BY values within IN()
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Careful. Any unknown property value (not in the list) will take precedence over the known values, i.e. FIELD(letter, 'A', 'C'), the list will first return entries with B letter first (assuming a set of records with A | B | C ...