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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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Normalizing mousewheel speed across browsers
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Edit September 2014
Given that:
Different versions of the same browser on OS X have yielded different values in the past, and may do so in the future, and that
Using the trackpad on OS X yields very similar effects to using a mouse wheel, y...
removeEventListener on anonymous functions in JavaScript
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answered Feb 9 '11 at 21:41
Adam HeathAdam Heath
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How do you make an array of structs in C?
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answered May 6 '12 at 4:47
nimsnims
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
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Argument list too long error for rm, cp, mv commands
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edited May 21 '18 at 16:34
Triforcey
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How can I check if a single character appears in a string?
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edited Mar 22 at 12:40
Ömer Erden
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How to get a random value from dictionary in python
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Getting LaTeX into R Plots
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Here's an example using ggplot2:
q <- qplot(cty, hwy, data = mpg, colour = displ)
q + xlab(...