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Python

Pandas – Compute z-score for all columns

August 12, 2022 by Magenaut

I have a dataframe containing a single column of IDs and all other columns are numerical values for which I want to compute z-scores. Here’s a subsection of it:

Categories Python, Q&A Tags indexing, pandas, python, statistics Leave a comment

one-liner to check if at least one item in list exists in another list?

August 12, 2022 by Magenaut

Lets say I have a list a=[1,2,3] And I want to know if at least one of the numbers in it exist in another list, like this one: b=[4,5,6,7,8,1] In other words, I want to know if 1,2 or 3 exist(s) in list b. I now I could do something like def func(a, b): for … Read more

Categories Python, Q&A Tags python Leave a comment

Override the {…} notation so i get an OrderedDict() instead of a dict()?

August 12, 2022 by Magenaut

Update: dicts retaining insertion order is guaranteed for Python 3.7+

Categories Python, Q&A Tags built-in, dictionary, ordereddictionary, overriding, python Leave a comment

py2exe fails to generate an executable

August 12, 2022 by Magenaut

I am using python 2.6 on XP. I have just installed py2exe, and I can successfully create a simple hello.exe from a hello.py. However, when I try using py2exe on my real program, py2exe produces a few information messages but fails to generate anything in the dist folder.

Categories Python, Q&A Tags py2exe, python, wxpython Leave a comment

Existence of mutable named tuple in Python?

August 12, 2022 by Magenaut

Can anyone amend namedtuple or provide an alternative class so that it works for mutable objects?

Categories Python, Q&A Tags mutable, namedtuple, python Leave a comment

How to append multiple values to a list in Python

August 12, 2022 by Magenaut

I am trying to figure out how to append multiple values to a list in Python. I know there are few methods to do so, such as manually input the values, or put the append operation in a for loop, or the append and extend functions.

Categories Python, Q&A Tags list, python Leave a comment

Pandas groupby for zero values

August 12, 2022 by Magenaut

I have data like this in a csv file

Categories Python, Q&A Tags dataframe, group-by, pandas, python Leave a comment

python pandas dataframe slicing by date conditions

August 12, 2022 by Magenaut

I am able to read and slice pandas dataframe using python datetime objects, however I am forced to use only existing dates in index. For example, this works:

Categories Python, Q&A Tags dataframe, pandas, python Leave a comment

Print very long string completely in pandas dataframe

August 12, 2022 by Magenaut

I am struggling with the seemingly very simple thing. I have a pandas data frame containing very long string.

Categories Python, Q&A Tags pandas, python, string Leave a comment

Filter a list in python get integers

August 12, 2022 by Magenaut

I have a list:

Categories Python, Q&A Tags python Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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