Skip to content

Magenaut

  • Home
  • Topics
    • Notes
    • Tutorial
    • Bug fixing
    • Extension
    • Server
  • Q&A
  • Privacy Policy
  • About

python

How to test if a string contains one of the substrings in a list, in pandas?

August 21, 2022 by Magenaut

Is there any function that would be the equivalent of a combination of df.isin() and df[col].str.contains()?

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

How to replace NaNs by preceding or next values in pandas DataFrame?

August 21, 2022 by Magenaut

Suppose I have a DataFrame with some NaNs:

Categories Python, Q&A Tags dataframe, nan, pandas, python, python-3.x Leave a comment

Python Pandas Error tokenizing data

August 21, 2022 by Magenaut

I’m trying to use pandas to manipulate a .csv file but I get this error:

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

lambda in for loop only takes last value

August 21, 2022 by Magenaut

Filter Log Recordset by 2 and DEBUG

Categories Python, Q&A Tags contextmenu, lambda, python, tkinter Leave a comment

Word boundary with words starting or ending with special characters gives unexpected results

August 21, 2022 by Magenaut

Say I want to match the presence of the phrase Sortesindex[persons]{Sortes} in the phrase test Sortesindex[persons]{Sortes} text.

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

How to load all modules in a folder?

August 21, 2022 by Magenaut

Could someone provide me with a good way of importing a whole directory of modules?
I have a structure like this:

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

List comprehension vs. lambda + filter

August 21, 2022 by Magenaut

I have a list that I want to filter by an attribute of the items.

Categories Python, Q&A Tags filter, functional-programming, lambda, list, python Leave a comment

Pandas groupby with delimiter join

August 21, 2022 by Magenaut

I tried to use groupby to group rows with multiple values.

Categories Python, Q&A Tags pandas, pandas-groupby, python, python-3.x Leave a comment

List comprehension rebinds names even after scope of comprehension. Is this right?

August 21, 2022 by Magenaut

Comprehensions are having some unexpected interactions with scoping. Is this the expected behavior?

Categories Python, Q&A Tags binding, list-comprehension, python Leave a comment

How does collections.defaultdict work?

August 21, 2022 by Magenaut

I’ve read the examples in python docs, but still can’t figure out what this method means. Can somebody help? Here are two examples from the python docs

Categories Python, Q&A Tags default-value, defaultdict, dictionary, python Leave a comment
Older posts
Newer posts
← Previous Page1 … Page102 Page103 Page104 … Page830 Next →
  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

.net ajax asp.net asp.net-core asp.net-mvc asp.net-mvc-3 asp.net-mvc-4 asp.net-web-api bash c# command-line css custom-post-types custom-taxonomy dataframe dictionary django entity-framework functions gridview html iis javascript jquery json linux list matplotlib numpy pandas php plugin-development plugins posts python python-2.7 python-3.x security shell shell-script sql string vb.net webforms wp-query

© 2026 Magenaut • Built with GeneratePress