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How to access a preexisting collection with Mongoose?
...get access to it with mongoose I did mongoose.connect("mongodb://localhost/fromlab"); var Schema = mongoose.Schema; var User = mongoose.model("User", new Schema({}), "users"); User.find({}, function(err, doc){ console.log((doc)) })
– jack blank
Sep 21 '1...
Difference between this and self in JavaScript
...GlobalScope, and this is the standard method for setting event listeners.
From Mozilla docs:
By using self, you can refer to the global scope in a way that will work not only in a window context (self will resolve to window.self) but also in a worker context (self will then resolve to WorkerGlo...
Find the day of a week
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To get the weekday number (0-6,Sun-Sat) from the date you can do: format(as.Date(df$date),"%w") . For the format code details see stat.berkeley.edu/~s133/dates.html
– JStrahl
Apr 24 '15 at 22:44
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Can you help me understand Moq Callback?
...ssumption and didnt read the thing I linked to as I'd normally work it out from autocompletion myself). Hope the fix addresses your point, let me know if it doesnt
– Ruben Bartelink
Aug 10 '17 at 10:05
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what exactly is device pixel ratio?
... understanding is its quality is lower because it got physically stretched from 300 to 600px. Can you elaborate on this a bit more, please?
– Peter
Mar 19 '16 at 6:48
1
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How to get everything after a certain character?
... strpos() finds the offset of the underscore, then substr grabs everything from that index plus 1, onwards.
$data = "123_String";
$whatIWant = substr($data, strpos($data, "_") + 1);
echo $whatIWant;
If you also want to check if the underscore character (_) exists in your string before t...
Detail change after Git pull
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@Jefromi fatal: ambiguous argument 'firstDesign@': unknown revision or path not in the working tree. I keep getting this error. Although git reflog firstDesign has this output.
– unrealsoul007
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Android: how to make an activity return results to the activity which calls it?
I have a Location activity that can be called from many activities, such as Sign up and Order . In the Location activity the user enters his location, so the activity Location will return this new location to that activity which called it.
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How can I set the aspect ratio in matplotlib?
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you should try with figaspect. It works for me. From the docs:
Create a figure with specified aspect ratio. If arg is a number, use that aspect ratio. > If arg is an array, figaspect will
determine the width and height for a figure that would fit array
preserv...
CALayer with transparent hole in it
...Color(red: 0, green: 0, blue: 0, alpha: 0.85)
// Create the initial layer from the view bounds.
let maskLayer = CAShapeLayer()
maskLayer.frame = overlay.bounds
maskLayer.fillColor = UIColor.blackColor().CGColor
// Create the frame for the circle.
let radius: CGFloat = 50.0
let rect = CGRectMake(
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