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Tag: python

Reshape original X from LSTM with predictions

I have a tensor with my LSTM inputs X (in PyTorch) as well as the matching predictions Y_hat I want to add the Y_hat as a column to the original X. The problem is that LSTM a sliding window with seq_length. In case seq. length is 3 and I have 6 variables in X, and 2 variables in Y_hat, I

How to pass args to sympy.lambdify

This is a more precise version of this question where the comments said my minimal reproducible code was too minimal, so with more information: I want to evaluate an Expression without having to pass the symbols along separately. My current workaround is this: This works. My problem is that expr.free_symbols …

Generating a global connection in prisma python client

I’m using Prisma python client for my mysql database. I’m wondering if its possible to do a single global connection instead of having to open and close them whenever I make a query? I tried doing the following: However, I get an error: Answer It is recommended that you create one instance of Pris…

Nested Serializer save post foreign key in django

In my project, the relationship between Product and Group is ManytoOne. When I tried to post a new product, it cannot work. I’m sure there are more issues with this code and I will appreciate a detailed answer, because I am new to Django and Python. Thank you in advance. models.py serializers.py views.p…