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Frequency table for a single variable
One last newbie pandas question for the day: How do I generate a table for a single Series?
4 Answers
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Generate a random double in a range
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To generate a random value between rangeMin and rangeMax:
Random r = new Random();
double randomValue = rangeMin + (rangeMax - rangeMin) * r.nextDouble();
share
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What does |= (ior) do in Python?
.... See examples below.
Sets
For example, the union of two assigned sets s1 and s2 share the following equivalent expressions:
>>> s1 = s1 | s12 # 1
>>> s1 |= s2 # 2
>>> s1.__ior__(s2) ...
How to iterate a loop with index and element in Swift
Is there a function that I can use to iterate over an array and have both index and element, like Python's enumerate ?
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Value of i for (i == -i && i != 0) to return true in Java
...000000000000000000
Taking the negative value is done by first swapping 0 and 1, which gives
01111111111111111111111111111111
and by adding 1, which gives
10000000000000000000000000000000
As you can see in the link I gave, Wikipedia mentions the problem with the most negative numbers and spec...
`testl` eax against eax?
I am trying to understand some assembly.
8 Answers
8
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How to get datetime in JavaScript?
... answered Apr 30 '14 at 17:34
Andrew MaoAndrew Mao
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XMLHttpRequest status 0 (responseText is empty)
Cannot get data with XMLHttpRequest (status 0 and responseText is empty):
19 Answers
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Check substring exists in a string in C
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... and false is 0
– Jack
Feb 13 '15 at 2:58
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List comprehension vs map
...re NOT making a lambda for the purpose, but using the same function in map and a listcomp). List comprehensions may be faster in other cases and most (not all) pythonistas consider them more direct and clearer.
An example of the tiny speed advantage of map when using exactly the same function:
$ p...