Below is the Dataframe i’m working. I want to replace NaN values in ‘Score’ columns using values from column ‘Country’ and ‘Sectors’ Below is the code which I’ve tried I want to replace only NaN values specific to country == ‘USA’ and Sectors == R…
Python: How to One Hot Encode a Feature with multiple values?
I have the following dataframe df with names of the travelling cities in route column of an aircraft with it’s ticket_price. I want to obtain individual city names from route and one hot encode them. Dataframe (df) Required Dataframe (df_encoded) Code I have performed some preprocessing on the route col…
User permission sqlalchemy.orm.exc.MultipleResultsFound: Multiple rows were found for one()
I can use below code to control the authority of menu 15,the role_id’s is_edit is 1, the use can change the data in that menu, or user doesn’t have access to change/edit data,but the code is ugly, and I only can control one menu. How to control all menu? Maybe they look like this? I tried to write…
How to mix the outliers (from boxplot or not) with violin plot?
The graphs. The first graph is captured from https://towardsdatascience.com/violin-plots-explained-fb1d115e023d. And the second one is created by myself. I found this requirement when I was doing my python matplotlib assignment since the professor required us to highlight the outliers on violin plot whether t…
Change RGB of an Image using python
I’m trying to change the color of an image using RGB values in python, for example, if I want to change my image to grayscale I want to be able to manipulate the RGB values of the image. I’ve read that if I want my image in grayscale I would have to do something like Gray = (RedValue + GreenValue
How to prevent Docker from messing with subprocess output order? (MCVE included)
Consider this issue.py file: Executing python issue.py manually yields what I expect: However, if I execute this inside a Docker container, something weird happens: How can I fix this, to make Docker respect the correct output order? Notes: This problem also happens with stderr, although the above MCVE does n…
Why is this sort string by chars frequency code not working?
So the question is: Given a string, sort it in decreasing order based on the frequency of characters. Ex: “tree” returns: “eert” or “eetr” both are valid answers So my thought process is to create a counter to hold freq numbers, then sort by freq, in reverse order. However,…
Display IFrame IPython with custom auth headers
I am developing a JupyterLab Notebook and I need to embed a website for interaction with a dashboard from within the same notebook. This would be quite straight-forward using an IFrame. However, to access this website, that I launch on my public server, JWT authentication is required so I need to send an addi…
Loading the binary data to a NumPy array
I am having trouble reading the binary file. I have a NumPy array as, I wrote this array to a file in binary format. Now, I am unable to get back the data from the saved binary file. I tried using numpy.fromfile() but it didn’t work out for me. When I printed the data I got [0.00000000e+00 2.19335211e-1…
Visual Studio: unresolved import ‘numpy’
I am trying to run the code below which requires numpy. I installed it via pip install numpy. However, numpy gets highlighted in the editor with the note unresolved import ‘numpy’. When I try to run it I get the error No module named ‘numpy’. After I got the error the first time I unin…