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How do I add the contents of an iterable to a set?
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231
You can add elements of a list to a set like this:
>>> foo = set(range(0, 4))
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Convert command line arguments into an array in Bash
...nto the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
3
$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is particularly useful in POSIX sh, which has nothing else like an array.
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Why is the order in dictionaries and sets arbitrary?
... was written before the implementation of the dict type changed, in Python 3.6. Most of the implementation details in this answer still apply, but the listing order of keys in dictionaries is no longer determined by hash values. The set implementation remains unchanged.
The order is not arbitrary,...
Rename specific column(s) in pandas
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385
data.rename(columns={'gdp':'log(gdp)'}, inplace=True)
The rename show that it accepts a dict...
Is there a NumPy function to return the first index of something in an array?
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13 Answers
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How many double numbers are there between 0.0 and 1.0?
...), there will therefore be 2 to the 52th power different doubles (i.e., 4503599627370496 of them). For example, that's the number of distinct doubles between 0.5 included and 1.0 excluded, and exactly that many also lie between 1.0 included and 2.0 excluded, and so forth.
Counting the doubles betw...
How to check if hex color is “too black”?
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AlnitakAlnitak
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Simple way to calculate median with MySQL
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37 Answers
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What is the difference between int, Int16, Int32 and Int64?
What is the difference between int , System.Int16 , System.Int32 and System.Int64 other than their sizes?
10 Answers
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