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How to configure MongoDB Java driver MongoOptions for production use?
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Updated to 2.9 :
autoConnectRetry simply means the driver will automatically attempt to reconnect to the server(s) after unexpected disconnects. In production environments you usually want this set to true.
connectionsPerHost are the ...
List distinct values in a vector in R
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Do you mean unique:
R> x = c(1,1,2,3,4,4,4)
R> x
[1] 1 1 2 3 4 4 4
R> unique(x)
[1] 1 2 3 4
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Unable to access JSON property with “-” dash
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287
jsonObj.profile-id is a subtraction expression (i.e. jsonObj.profile - id).
To access a key t...
Node.js Best Practice Exception Handling
... // no error occured, continue on
return x/y
}
}
// Divide 4/2
var result = divideSync(4,2)
// did an error occur?
if ( result instanceof Error ) {
// handle the error safely
console.log('4/2=err', result)
}
else {
// no error occured, continue on
console.log('4/2='+res...
CHECK constraint in MySQL is not working
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edited Feb 20 '19 at 20:16
Bill Karwin
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Python : List of dict, if exists increment a dict value, if not append a new dict
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210
That is a very strange way to organize things. If you stored in a dictionary, this is easy:
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What are dictionary view objects?
In python 2.7, we got the dictionary view methods available.
5 Answers
5
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Where is Maven' settings.xml located on mac os?
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edited Jun 24 '14 at 19:51
Andy♦
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
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293
well you can try this :
NSDictionary *attributes = @{NSFontAttributeName: [UIFont fontWithNam...
Cutting the videos based on start and end time using ffmpeg
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622
You probably do not have a keyframe at the 3 second mark. Because non-keyframes encode differe...