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Delete a key from a MongoDB document using Mongoose
...e({_id: user._id}, {$unset: {field: 1 }}, callback);
And since version 2.4, if you have an instance of a model already you can do:
doc.field = undefined;
doc.save(callback);
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What is the default text size on Android?
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This will return default size of text on button in pixels.
Kotlin
val size = Button(this).t...
Position of least significant bit that is set
...ast significant bit that is set in an integer, e.g. for 0x0FF0 it would be 4.
22 Answers
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Why Would I Ever Need to Use C# Nested Classes [duplicate]
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Eric LippertEric Lippert
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Creating .pem file for APNS?
... the server set the file permission of this unencrypted key by using chmod 400.
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How do I make a batch file terminate upon encountering an error?
...ve result.
– devstuff
Sep 16 '10 at 4:37
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Careful: the enabledelayedexpansion is CRITICAL and al...
View the Task's activity stack
...e activity:
Activities in Current Activity Manager State:
* TaskRecord{44d07218 #4 A android.task.contacts}
clearOnBackground=true numActivities=2 rootWasReset=true
affinity=android.task.contacts
intent={act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x1060...
Does MySQL index foreign key columns automatically?
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Nae
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Grant LimbergGrant Lim...
How do you do Impersonation in .NET?
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answered Sep 24 '08 at 4:01
Eric SchoonoverEric Schoonover
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