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How can I rename a field for all documents in MongoDB?
...d:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach(remap);
In MongoDB 3.2 you can also use
db.students.updateMany( {}, { $rename: { "oldname": "newname" } } )
The general syntax of this is
db.collection.updateMany(filter, update, optio...
Cost of exception handlers in Python
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114
Why don't you measure it using the timeit module? That way you can see whether it's relevant t...
Variable interpolation in the shell
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192
Use
"$filepath"_newstap.sh
or
${filepath}_newstap.sh
or
$filepath\_newstap.sh
_ is a ...
SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
I upgraded from Java 1.6 to Java 1.7 today.
Since then an error occur when I try to establish a connection to my webserver over SSL:
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Run java jar file on a server as background process
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answered Aug 24 '12 at 11:34
Anton BeloglazovAnton Beloglazov
4,02911 gold badge1818 silver badges99 bronze badges
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Gradle to execute Java class (without modifying build.gradle)
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138
There is no direct equivalent to mvn exec:java in gradle, you need to either apply the applica...
How to set a timer in android
...not change the UI)?
Use this the Java way:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Timer.html
13 Answers
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What's the right way to decode a string that has special HTML entities in it? [duplicate]
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edited Mar 4 '14 at 18:55
answered Sep 12 '11 at 22:29
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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edited Oct 24 '17 at 3:13
answered Nov 22 '13 at 6:28
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