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Is there any way to use a numeric type as an object key?
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109
No, this is not possible. The key will always be converted to a string. See Property Accessor...
How to Update Multiple Array Elements in mongodb
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15 Answers
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How do I use the includes method in lodash to check if an object is in the collection?
...s will work because there is only one instance of {"b": 2}:
var a = {"a": 1}, b = {"b": 2};
_.includes([a, b], b);
> true
On the other hand, the where(deprecated in v4) and find methods compare objects by their properties, so they don't require reference equality. As an alternative to includes...
How to get the last date of a particular month with JodaTime?
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edited Jun 20 at 9:12
Community♦
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answered Mar 14 '12 at 22:47
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Compute a confidence interval from sample data
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168
import numpy as np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
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Append integer to beginning of list in Python [duplicate]
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10 Answers
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Pandas every nth row
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edited Oct 25 '18 at 5:05
user3483203
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