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Creating java date object from year,month,day
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111
Months are zero-based in Calendar. So 12 is interpreted as december + 1 month. Use
c.set(yea...
Reference list item by index within Django template?
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190
It looks like {{ data.0 }}. See Variables and lookups.
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How to send only one UDP packet with netcat?
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edited Jul 23 '19 at 20:04
Sean Bright
106k1717 gold badges128128 silver badges138138 bronze badges
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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( {}, { $rename: { "oldname": "newname" } } )
The general syntax of this is
db.collection.updateMany(filter, update, optio...
Split string with delimiters in C
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165
You can use the strtok() function to split a string (and specify the delimiter to use). Note t...
Variable interpolation in the shell
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192
Use
"$filepath"_newstap.sh
or
${filepath}_newstap.sh
or
$filepath\_newstap.sh
_ is a ...
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...
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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