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What's the $unwind operator in MongoDB?
...ad" }
],
other : { foo : 5 }
}
Notice how tags is actually an array of 3 items, in this case being "fun", "good" and "fun".
What $unwind does is allow you to peel off a document for each element and returns that resulting document.
To think of this in a classical approach, it would be the equiv...
Dispelling the UIImage imageNamed: FUD
...is that the +imageNamed: cache should respect memory warnings on iPhone OS 3.0. Test it when you get a chance and report bugs if you find that this is not the case.
So, there you have it. imageNamed: will not smash your windows or murder your children. It's pretty simple but it is an optimisation t...
PHP foreach change original array values
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edited Oct 9 '17 at 13:30
answered Feb 22 '13 at 12:51
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AJAX post error : Refused to set unsafe header “Connection”
...y (where 5 seconds is the keep-alive time).
– doug65536
Dec 15 '13 at 6:19
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How to create a template function within a class? (C++)
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And also that you cannot specialize them. :-(
– Frank Krueger
Jun 9 '09 at 20:03
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How can I map True/False to 1/0 in a Pandas DataFrame?
...7
AMC
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answered Dec 8 '14 at 16:36
UserUser
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Regular expression to match non-ASCII characters?
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WonderLand
4,53555 gold badges4848 silver badges6767 bronze badges
answered Sep 29 '08 at 18:45
Jeremy RutenJeremy ...
How do I prevent Eclipse from hanging on startup?
I am using Eclipse 3.3 ("Europa"). Periodically, Eclipse takes an inordinately long time (perhaps forever) to start up. The only thing I can see in the Eclipse log is:
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How to get Erlang's release version number from a shell?
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answered Mar 5 '12 at 3:46
Odobenus RosmarusOdobenus Rosmarus
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What does jQuery.fn mean?
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In jQuery, the fn property is just an alias to the prototype property.
The jQuery identifier (o...