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Python

globals and locals in python exec()

August 12, 2022 by Magenaut

I’m trying to run a piece of python code using exec.

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

Apply function to each cell in DataFrame

August 12, 2022 by Magenaut

I have a dataframe that may look like this:

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

Can you patch *just* a nested function with closure, or must the whole outer function be repeated?

August 12, 2022 by Magenaut

A 3rd party library we use contains a rather long function that uses a nested function inside it. Our use of that library triggers a bug in that function, and we very much would like to solve that bug.

Categories Python, Q&A Tags closures, monkeypatching, python Leave a comment

Convert list into a pandas data frame

August 12, 2022 by Magenaut

I am trying to convert my output into a pandas data frame and I am struggling. I have this list

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

Identify duplicate values in a list in Python

August 12, 2022 by Magenaut

Is it possible to get which values are duplicates in a list using python?

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

Error when checking model input: expected lstm_1_input to have 3 dimensions, but got array with shape (339732, 29)

August 12, 2022 by Magenaut

My input is simply a csv file with 339732 rows and two columns :

Categories Python, Q&A Tags keras, lstm, python, recurrent-neural-network, valueerror Leave a comment

Pandas and Matplotlib – fill_between() vs datetime64

August 12, 2022 by Magenaut

There is a Pandas DataFrame:

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

Search for a file using a wildcard

August 12, 2022 by Magenaut

I want get a list of filenames with a search pattern with a wildcard. Like:

Categories Python, Q&A Tags file, python, wildcard Leave a comment

imshow(img, cmap=cm.gray) shows a white for 128 value

August 12, 2022 by Magenaut

I’m moving from MatLab to python and playing around with the imshow function.

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

Why Python is so slow for a simple for loop?

August 12, 2022 by Magenaut

We are making some kNN and SVD implementations in Python. Others picked Java. Our execution times are very different. I used cProfile to see where I make mistakes but everything is quite fine actually. Yes, I use numpy also. But I would like to ask simple question.

Categories Python, Q&A Tags jit, performance, 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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