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Explain the use of a bit vector for determining if all characters are unique
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12 Answers
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Identifying the dependency relationship for python packages installed with pip
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187
You could try pipdeptree which displays dependencies as a tree structure e.g.:
$ pipdeptree
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Convert columns to string in Pandas
...will convert keys to valid json (and therefore your keys to strings):
In [11]: df = pd.DataFrame([['A', 2], ['A', 4], ['B', 6]])
In [12]: df.to_json()
Out[12]: '{"0":{"0":"A","1":"A","2":"B"},"1":{"0":2,"1":4,"2":6}}'
In [13]: df[0].to_json()
Out[13]: '{"0":"A","1":"A","2":"B"}'
Note: you can p...
How to get indices of a sorted array in Python
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how to check the dtype of a column in python pandas
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You can access the data-type of a column with dtype:
for y in agg.columns:
if(agg[y].dtyp...
How to convert list of key-value tuples into dictionary?
...p and zip it. ValueError: dictionary update sequence element #0 has length 1916; 2 is required
THAT is your actual question.
The answer is that the elements of your list are not what you think they are. If you type myList[0] you will find that the first element of your list is not a two-tuple, e....
Formatting Decimal places in R
I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that?
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Installing Ruby Gem in Windows
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edited Feb 8 '17 at 12:07
reducing activity
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