I’m writing a simple code snippet here, but unable to run the code It errors out with “AttributeError: ‘str’ object has no attribute ‘functiona’” Unable to call it with self. However, if I provide test.functiona(a) it works fine. Few of other code samples works with self.fu…
Tag: python
Pygame: how to write event-loop polymorphically
I’m some-what new to pygame, and while trying to get back into it, I found the advice “replace your conditionals with polymorphism.” Most pygame tutorials recommend using the “for event in pygame.event.get()” loop and then using a conditional to determine if any particular event …
How to use DatabaseHook objects with PythonOperator in Airflow without running out of connections?
I’m trying to store my database credentials using Airflow Connections and use them with PythonOperators. I noticed that if I pass the credentials to the PythonOperator then every variable gets logged, including the database password. So I moved to pass the connection object itself to the PythonOperator,…
Creating a new columns with maximum count of value in multiple columns
I have a dataframe that contains multiple columns as follow: I want to create a new column based on the player, competition and value of highest occurrence in Home column and Away column. Let’s say the name of a new column that I want to create is Team. I would like have a new column as follow: So it su…
pandas reshape multiple columns fails with KeyError
For a pandas dataframe of: defined by: I want to reshape to the following format: A: only results in a KeyError. How can I fix the reshape to work fine? Answer Here’s a way using stack:
How can I stop my Runge-Kutta2 (Heun) method from exploding?
I am currently trying to write some python code to solve an arbitrary system of first order ODEs, using a general explicit Runge-Kutta method defined by the values alpha, gamma (both vectors of dimension m) and beta (lower triangular matrix of dimension m x m) of the Butcher table which are passed in by the u…
Connecting Flask Socket.IO Server and Flutter
Basically, I have a socket io flask code: This code is working fine when I try to connect it to javascript However in flutter I can not achieve that I have stateful Widget that has a button in it And I am using this function to connect to my socket when the button is pressed I can not connect it
jupyter server : not started, no kernel in vs code
i am trying to use jupyter notebooks from vs code and installed jupyter notebook extension and i am using (base)conda environment for execution. while this happened how to resolve this issue ? Answer I had exactly the same problem when I installed Visual Studio Code and tried to run some Python code from a ju…
How to send AppleID to the Sign in field using Selenium and Python
Why is this incorrect: Web page: https://idmsa.apple.com/IDMSWebAuth/signin?appIdKey=a01459d797984726ee0914a7097e53fad42b70e1f08d09294d14523a1d4f61e1&rv=2&path= Steps followed: Inspect, element selector, click on Apple ID field box shows: My code: Error: I’ve even put sleep for 100 sec just in c…
How to plot output from marching_cubes_lewiner in python?
I’ve been able to use the lewiner marching cubes algorithm in python. It outputs vertices, faces, and other attributes. I want to be sure that it is working correctly, so I’d like to plot a 3D image of what the function returns. However, I have not had any success so far. I have tried the followin…