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python

How to use numpy.genfromtxt when first column is string and the remaining columns are numbers?

August 12, 2022 by Magenaut

Basically, I have a bunch of data where the first column is a string (label) and the remaining columns are numeric values. I run the following:

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

drop trailing zeros from decimal

August 12, 2022 by Magenaut

I have a long list of Decimals and that I have to adjust by factors of 10, 100, 1000,….. 1000000 depending on certain conditions. When I multiply them there is sometimes a useless trailing zero (though not always) that I want to get rid of. For example…

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

Getting model attributes from pipeline

August 12, 2022 by Magenaut

I typically get PCA loadings like this:

Categories Python, Q&A Tags pipeline, python, scikit-learn Leave a comment

How to fetch more than 1000?

August 12, 2022 by Magenaut

How can I fetch more than 1000 record from data store and put all in one single list to pass to django?

Categories Python, Q&A Tags google-app-engine, google-cloud-datastore, python Leave a comment

Getting Checkbutton state

August 12, 2022 by Magenaut

How do I get the 'state' of a Tkinter Checkbutton? By 'state' I mean get whether or not it has a check mark in it or not.

Categories Python, Q&A Tags python, tkinter, tkinter.checkbutton Leave a comment

Should I use encoding declaration in Python 3?

August 12, 2022 by Magenaut

Python 3 uses UTF-8 encoding for source-code files by default. Should I still use the encoding declaration at the beginning of every source file? Like # -*- coding: utf-8 -*-

Categories Python, Q&A Tags encoding, python, python-3.x, utf-8 Leave a comment

How to plot multiple pandas columns

August 12, 2022 by Magenaut

I have dataframe total_year, which contains three columns (year, action, comedy) .

Categories Python, Q&A Tags data-science, matplotlib, pandas, plot, python Leave a comment

How to generate audio from a numpy array?

August 12, 2022 by Magenaut

I want to create “heart rate monitor” effect from a 2D array in numpy and want the tone to reflect the values in the array.

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

OpenCV error: the function is not implemented

August 12, 2022 by Magenaut

I’m trying to get OpenCV working with Python on my Ubuntu machine. I’ve downloaded and installed OpenCV, but when I attempt to run the following python code (which should capture images from a webcam and push them to the screen)

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

AttributeError: ‘module’ object has no attribute ‘setdefaultencoding’

August 12, 2022 by Magenaut

I try to install xadmin (it’s a django’s plugin for use the backoffice with twitter’s bootstrap). But when I run my project, I have the following error in my PyCharm terminal :

Categories Python, Q&A Tags django, 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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