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TypeError: ObjectId('') is not JSON serializable
...Id
class JSONEncoder(json.JSONEncoder):
def default(self, o):
if isinstance(o, ObjectId):
return str(o)
return json.JSONEncoder.default(self, o)
JSONEncoder().encode(analytics)
It's also possible to use it in the following way.
json.encode(analytics, cls=JSONEnc...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
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If you are using bash 4 you can use the following approach:
x="HELLO"
echo $x # HELLO
y=${x,,}
echo $y # hello
z=${y^^}
echo $z # HELLO
Use only one , or ^ to make the first letter lowercase or uppercase.
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Is there a way to comment out markup in an .ASPX page?
...omment and will not be delivered to the client ... but it's not optional. If you need this to be programmable, then you'll want this answer :-)
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How to set tint for an image view programmatically in android?
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imageView.setColorFilter(Color.argb(255, 255, 255, 255)); // White Tint
If you want color tint then
imageView.setColorFilter(ContextCompat.getColor(context, R.color.COLOR_YOUR_COLOR), android.graphics.PorterDuff.Mode.MULTIPLY);
For Vector Drawable
imageView.setColorFilter(ContextCompat.getCo...
Unbalanced calls to begin/end appearance transitions for
... SO about another user encountering similar error , but this error is in different case.
22 Answers
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How can the Euclidean distance be calculated with NumPy?
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If OP wanted to calculate the distance between an array of coordinates it is also possible to use scipy.spatial.distance.cdist.
– mnky9800n
May 2 '17 at 9:47
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Rails 4 LIKE query - ActiveRecord adds quotes
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Is this still valid for Rails 5? Because if I have Movie.where("title ILIKE :s", s: search_string) it gets translated to SELECT 1 AS one FROM "movies" WHERE (title ILIKE 'test') LIMIT $1 by ActiveRecord (Rails 5.1.6) - please notice that there is no percentage symb...
How to compare binary files to check if they are the same?
...siest way (using a graphical tool or command line on Ubuntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need to actually extract the difference. I just need to know whether they are the same or not.
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Naming convention for Scala constants?
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@Matthias I've now opened an issue about it. I'd normally do the fix and PR it, but I'm sadly lacking time these days. :(
– Daniel C. Sobral
Aug 9 '13 at 18:16
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Compute a confidence interval from sample data
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Just want to clarify this calculation is for sample mean, so a t distribution is used. If the questions is to calculation population mean, a normal distribution should be used and the confident interval will be smaller for the same confidence...