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Does MongoDB's $in clause guarantee order
... { "$eq": [ "$_id", 2 ] },
2,
3
]}
]}
}},
// Sort the results
{ "$sort": { "weight": 1 } }
])
So that would be the expanded form. What basically happens here is that just as the array of values is passed to $in you also...
Create a pointer to two-dimensional array
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edited May 23 '17 at 12:34
Community♦
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answered Jun 27 '09 at 13:37
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How can we print line numbers to the log in java
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edited Oct 18 '17 at 8:31
Ravi
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answered...
CSS Display an Image Resized and Cropped
... hidden;
}
.crop img {
width: 400px;
height: 300px;
margin: -75px 0 0 -100px;
}
<div class="crop">
<img src="https://i.stack.imgur.com/wPh0S.jpg" alt="Donald Duck">
</div>
You can use negative margin to move the ...
Intermittent log4net RollingFileAppender locked file issue
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3 Answers
3
Active
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'Best' practice for restful POST response
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137
Returning the whole object on an update would not seem very relevant, but I can hardly see why ...
How do you get assembler output from C/C++ source in gcc?
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433
Use the -S option to gcc (or g++).
gcc -S helloworld.c
This will run the preprocessor (cpp) ...
Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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534
if [ ! -z "$var" ] && [ -e "$var" ]; then
# something ...
fi
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Java: random long number in 0
...roid 4.x) you need to use an external library (e.g. org.apache.commons.math3.random.RandomDataGenerator.getRandomGenerator().nextLong(0, n-1), see @mawaldne's answer), or implement your own nextLong(n).
According to https://docs.oracle.com/javase/1.5.0/docs/api/java/util/Random.html nextInt is impl...