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python

How to modify list entries during for loop?

August 21, 2022 by Magenaut

Now I know that it is not safe to modify the list during an iterative looping. However, suppose I have a list of strings, and I want to strip the strings themselves. Does replacement of mutable values count as modification?

Categories Python, Q&A Tags python Leave a comment

How to query as GROUP BY in django?

August 21, 2022 by Magenaut

I query a model:

Categories Python, Q&A Tags django, django-models, python Leave a comment

Check if multiple strings exist in another string

August 21, 2022 by Magenaut

How can I check if any of the strings in an array exists in another string?

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

TypeError: method() takes 1 positional argument but 2 were given

August 21, 2022 by Magenaut

If I have a class…

Categories Python, Q&A Tags arguments, methods, python, python-3.x, self Leave a comment

What’s the difference between eval, exec, and compile?

August 21, 2022 by Magenaut

I’ve been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement.

Categories Python, Q&A Tags dynamic, eval, exec, python Leave a comment

Select rows in pandas MultiIndex DataFrame

August 21, 2022 by Magenaut

What are the most common pandas ways to select/filter rows of a dataframe whose index is a MultiIndex?

Categories Python, Q&A Tags dataframe, multi-index, pandas, python, slice Leave a comment

Which Python memory profiler is recommended?

August 21, 2022 by Magenaut

Gives most details.

Categories Python, Q&A Tags memory-management, performance, profiling, python Leave a comment

How to install packages offline?

August 21, 2022 by Magenaut

What’s the best way to download a python package and it’s dependencies from pypi for offline installation on another machine? Is there any easy way to do this with pip or easy_install? I’m trying to install the requests library on a FreeBSD box that is not connected to the internet.

Categories Python, Q&A Tags easy-install, freebsd, pip, python, python-requests Leave a comment

Changing one character in a string

August 21, 2022 by Magenaut

What is the easiest way in Python to replace a character in a string?

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

Aggregation in Pandas

August 21, 2022 by Magenaut

TypeError: aggregate() missing 1 required positional argument: ‘arg’

Categories Python, Q&A Tags aggregation, dataframe, pandas, pandas-groupby, 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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