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Python multiprocessing PicklingError: Can’t pickle

August 21, 2022 by Magenaut

I am sorry that I can’t reproduce the error with a simpler example, and my code is too complicated to post. If I run the program in IPython shell instead of the regular Python, things work out well.

Categories Python, Q&A Tags multiprocessing, pickle, python, python-multiprocessing Leave a comment

Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?

August 21, 2022 by Magenaut

I have seen few py scripts which use this at the top of the script. In what cases one should use it?

Categories Python, Q&A Tags encoding, python, python-2.x, sys, utf-8 Leave a comment

Set value for particular cell in pandas DataFrame using index

August 21, 2022 by Magenaut

I have created a Pandas DataFrame

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

How to merge dictionaries of dictionaries?

August 21, 2022 by Magenaut

I need to merge multiple dictionaries, here’s what I have for instance:

Categories Python, Q&A Tags array-merge, dictionary, merge, python Leave a comment

Convert [key1,val1,key2,val2] to a dict?

August 21, 2022 by Magenaut

Let’s say I have a list a in Python whose entries conveniently map to a dictionary. Each even element represents the key to the dictionary, and the following odd element is the value

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

How to prevent tensorflow from allocating the totality of a GPU memory?

August 21, 2022 by Magenaut

I work in an environment in which computational resources are shared, i.e., we have a few server machines equipped with a few Nvidia Titan X GPUs each.

Categories Python, Q&A Tags nvidia-titan, python, tensorflow, tensorflow2.0, tensorflow2.x Leave a comment

Random string generation with upper case letters and digits

August 21, 2022 by Magenaut

I want to generate a string of size N.

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

Remove empty strings from a list of strings

August 21, 2022 by Magenaut

I want to remove all empty strings from a list of strings in python.

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

What is the difference between size and count in pandas?

August 21, 2022 by Magenaut

That is the difference between groupby("x").count and groupby("x").size in pandas ?

Categories Python, Q&A Tags difference, nan, numpy, pandas, python Leave a comment

How do I check what version of Python is running my script?

August 21, 2022 by Magenaut

How can I check what version of the Python Interpreter is interpreting my script?

Categories Python, Q&A Tags python, version 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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