I know that this is a rather silly question and there are similar ones already answered, but they don’t quite fit, so… How can I perform the same operation on multiple variables in an efficient way, while “keeping” the individual variables? example: What I want as the output in this sc…
Tag: python-3.x
How can I find the top three highest rows based on a column in a csv?
I’m trying to iterate through each line of a csv and bring back the top 3 highscores. There’s only 2 columns, one named ‘users’ and the other ‘highscores’. I know what I have so far isn’t much but I’m completely stumped. I feel like I could get the highest score…
pyglet: on_resize breaks graphics
I’m writing an application with pyglet where all rendered objects are children of the window class. I’m trying to draw a simple rectangle, but using on_resize seems to break everything. There’s no error message, it just doesn’t draw the rectangle. This is my file structure: This code d…
Why do I get a stray element with difflib.ndiff?
Minimal working example: Can someone please explain why there’s a newline character as the fourth element in the output list? What can I do to not get that element as ndiff output, but only the rest of the list? Answer Because ndiff expects the lines you pass in to end with newline characters, like this…
Python socket not delivering packet
I am creating a simple messaging server and client in Python using the socket library. First I am doing some validation and a key exchange before I let the user send messages. Every once and a while I get an issue where the server will send a message and the client won’t receive it and then the server w…
Replace all newline characters using python
I am trying to read a pdf using python and the content has many newline (crlf) characters. I tried removing them using below code: But the output remains unchanged. I tried using double backslashes also which didn’t fix the issue. can someone please advise? Answer I don’t have access to your pdf f…
Python how to find the minimum number of moves for a directory iteration – crawler
I’m working on a Python(3) program in which I have to return the number of moves for a directory iteration by using the input as a list of multiple iterations denotes various actions like: ../ denotes move to the parent folder of the current folder. ./ remain in the same folder x/ move to the child fold…
How does one ignore extra arguments passed to a dataclass?
I’d like to create a config dataclass in order to simplify whitelisting of and access to specific environment variables (typing os.environ[‘VAR_NAME’] is tedious relative to config.VAR_NAME). I therefore need to ignore unused environment variables in my dataclass’s __init__ function, b…
Why does pip install not work for catboost?
I have to install catboost but can not make it by pip install catboost. There is not catboost library in Anaconda, so pip in the one way. The error message is: Python version is 3.6.3. Screenshot of error: error message I’ve tried : and None of these works. Why does this problem appeared and is there an…
‘ModuleNotFoundError’ when trying to import module from imported package
This is my directory structure: man1.py contains the following import statement, which I do not want to change: man1test.py contains the following import statements: I need the second import in man1test.py because man1test.py needs access to a function in man1.py. My rationale behind the first import (Soft) w…