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Best way to simulate “group by” from bash?
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14 Answers
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Finding median of list in Python
...ated by taking the average of the two middle values:
>>> median([1, 3, 5])
3
>>> median([1, 3, 5, 7])
4.0
Usage:
import statistics
items = [6, 1, 8, 2, 3]
statistics.median(items)
#>>> 3
It's pretty careful with types, too:
statistics.median(map(float, items))
#&...
do..end vs curly braces for blocks in Ruby
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How to remove element from array in forEach loop?
...tion(item, index, object) {
if (item === 'a') {
object.splice(index, 1);
}
});
log(review);
<pre id="out"></pre>
Which works fine for simple case where you do not have 2 of the same values as adjacent array items, other wise you have this problem.
var pre = document.g...
Check if a string contains an element from a list (of strings)
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10 Answers
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how to get the last character of a string?
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12 Answers
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Removing duplicate objects with Underscore for Javascript
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13 Answers
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Truncate number to two decimal places without rounding
Suppose I have a value of 15.7784514, I want to display it 15.77 with no rounding.
36 Answers
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How do I delete rows in a data frame?
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edited Mar 14 '19 at 18:43
Gregor Thomas
91.9k1515 gold badges126126 silver badges235235 bronze badges
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Iterating over a numpy array
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188
I think you're looking for the ndenumerate.
>>> a =numpy.array([[1,2],[3,4],[5,6]])
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