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Get column index from column name in python pandas

... Sure, you can use .get_loc(): In [45]: df = DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [3,4,5]}) In [46]: df.columns Out[46]: Index([apple, orange, pear], dtype=object) In [47]: df.columns.get_loc("pear") Out[47]: 2 although to be honest I don't often need this myself. U...
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Get top n records for each group of grouped results

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Python - Create list with numbers between 2 values?

...es I put in? For example, the following list is generated for values from 11 to 16: 11 Answers ...
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How to swap keys and values in a hash

...was inverted (in essence, by letting you access keys through values): {a: 1, b: 2, c: 3}.key(1) => :a If you want to keep the inverted hash, then Hash#invert should work for most situations: {a: 1, b: 2, c: 3}.invert => {1=>:a, 2=>:b, 3=>:c} BUT... If you have duplicate values,...
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Iterator invalidation rules

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How can building a heap be O(n) time complexity?

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JavaScript is in array

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Convert Django Model object to dict with all of the fields intact

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How to count certain elements in array?

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Detect URLs in text with JavaScript

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