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python

Create list of single item repeated N times

August 21, 2022 by Magenaut

I want to create a series of lists, all of varying lengths. Each list will contain the same element e, repeated n times (where n = length of the list).

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

Total memory used by Python process?

August 21, 2022 by Magenaut

Is there a way for a Python program to determine how much memory it’s currently using? I’ve seen discussions about memory usage for a single object, but what I need is total memory usage for the process, so that I can determine when it’s necessary to start discarding cached data.

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

How can I add new keys to a dictionary?

August 21, 2022 by Magenaut

How do I add a key to an existing dictionary? It doesn’t have an .add() method.

Categories Python, Q&A Tags dictionary, lookup, python Leave a comment

How to correctly sort a string with a number inside?

August 21, 2022 by Magenaut

I have a list of strings containing numbers and I cannot find a good way to sort them. For example I get something like this: something1 something12 something17 something2 something25 something29 with the sort() method. I know that I probably need to extract the numbers somehow and then sort the list but I have no … Read more

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

How to properly ignore exceptions

August 21, 2022 by Magenaut

When you just want to do a try-except without handling the exception, how do you do it in Python?

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

How do I access environment variables in Python?

August 21, 2022 by Magenaut

How do I get the value of an environment variable in Python?

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

Should import statements always be at the top of a module?

August 21, 2022 by Magenaut

PEP 8 states:

Categories Python, Q&A Tags optimization, pep8, python Leave a comment

pip install from git repo branch

August 21, 2022 by Magenaut

Trying to pip install a repo’s specific branch. Google tells me to

Categories Python, Q&A Tags git, pip, python Leave a comment

How to import the class within the same directory or sub directory?

August 21, 2022 by Magenaut

I have a directory that stores all the .py files.

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

How to find overlapping matches with a regexp?

August 21, 2022 by Magenaut

(?=...) matches if ... matches next, but doesn’t consume any of the
string. This is called a lookahead assertion. For example,
Isaac (?=Asimov) will match 'Isaac ' only if it’s followed by 'Asimov'.

Categories Python, Q&A Tags overlapping, python, regex 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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