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Python

Why does assigning to True/False not work as I expect?

August 13, 2022 by Magenaut

As part of answering another question, I wrote the following code whose behaviour seems bizarre at first glance:

Categories Python, Q&A Tags python, python-2.x Leave a comment

Plot correlation matrix using pandas

August 13, 2022 by Magenaut

I have a data set with huge number of features, so analysing the correlation matrix has become very difficult. I want to plot a correlation matrix which we get using dataframe.corr() function from pandas library. Is there any built-in function provided by the pandas library to plot this matrix?

Categories Python, Q&A Tags data-visualization, information-visualization, matplotlib, pandas, python Leave a comment

Re-open files in Python?

August 13, 2022 by Magenaut

Say I have this simple python script:

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

Why am I getting this error in python ? (httplib)

August 13, 2022 by Magenaut

exception httplib.BadStatusLine: (exception http.client.BadStatusLine🙂

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

How do I determine what type of exception occurred?

August 13, 2022 by Magenaut

some_function() raises an exception while executing, so the program jumps to the except:

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

What does sys.exit really do with multiple threads?

August 13, 2022 by Magenaut

I was really confused by sys.exit() in python.
In python documentation, it says “Exit from Python”; does that mean when sys.exit() is called in a python program, the process will exit? If so, the code below shows a different result:

Categories Python, Q&A Tags exit, multithreading, python Leave a comment

Python Global Variable not updating

August 13, 2022 by Magenaut

I’m new with Python and programming but I can’t seem to understand why this function does not update the global variable

Categories Python, Q&A Tags global-variables, python Leave a comment

Why does 1+++2 = 3?

August 13, 2022 by Magenaut

How does Python evaluate the expression 1+++2?

Categories Python, Q&A Tags evaluation, operator-precedence, python Leave a comment

How to change legend size with matplotlib.pyplot

August 13, 2022 by Magenaut

Simple question here: I’m trying to get the size of my legend using matplotlib.pyplot to be smaller (i.e., the text to be smaller). The code I’m using goes something like this:

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

Python 3 Map function is not Calling up function

August 13, 2022 by Magenaut

Why doesn’t following code print anything:

Categories Python, Q&A Tags functional-programming, map-function, python, python-3.x 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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