I have created the following Enum: I have inherited from str, too, so that I can do things such as: I would now like to be able to check if a string is in this Enum, such as: I have tried adding the following method to the class: However, when I run this code: I get this exception: Answer I
Load oracle Dataframe in dask dataframe
I used to work with pandas and cx_Oracle until now. But I haver to switch to dask now due to RAM limitations. I tried to do it similar to how I used cx_oracle with pandas. But I receive an AttributeError named: Any ideas if its just a problem with the package? Answer Please read the dask doc on SQL: you
Call marshmallow validated GET endpoint with List parameter
I have a marshmallow schema validation like this: Then in my endpoint I call the schema validation: MyFilterSchema().load(flask.request.args) Now I try to call the HTTP GET endpoint which is using this validation. But I get ‘ids’: [‘Not a valid list.’] I tried different ways: but no lu…
Buttons in a for loop to update labels in a for loop?
Trying to get individual buttons to update individual labels in tkinter. Here’s my code: When you run the code there are three buttons in a column next to three labels in the next column over. What I’m trying to do is get it so that each button changes the label next to it. What happens when I run…
IndexError in Python while splitting an input file based on a pattern
The code tries to split the text data based on a separator but I keep getting an error And the output of the two files has to be the same number of lines but I got 94132 en_out.txt and 94304 mn_out.txt for two of the files which im not sure what’s going on. The code I used is The input
Plot with variable limit of integration in python
I have function f(x) and I want to integrate the function from 0 to some point x in the interval (0,2). I know how to solve the problem in mathematica, however I don’t know how to solve this problem in python. Mathematica My code in python: How can I do exactly the same in python? Answer quads inputs ar…
Write a code to perform the same operation to multiple pandas DataFrames
I am trying to write a loop/definition to perform the same operation to multiple panda DataFrames. My aim is to get 5 pandas DataFrames with names a, b, c, d and e and to multiple of operations to them. What i get is “NameError: name ‘a’ is not defined”, and the new files are not writt…
How to convert ₹22000 string to float in python
Traceback (most recent call last): File “scrap.py”, line 13, in converted_price=float(price[:5]) ValueError: could not convert string to float: ‘₹xa022,’ Answer You’ll have to filter out all of the characters that aren’t part of a floating point number since the float funct…
Write a CSV file asynchronously in Python
I am writing a CSV file with the following function: However, as there is no await allowed over writerows method, there are no rows being written into the CSV file. How to resolve this issue? Is there any workaround available? Thank you. Entire code can be found here. Answer In my opinion it’s better not to t…
How to build a full trainset when loading data from predefined folds in Surprise?
I am using Surprise to evaluate various recommender system algorithms. I would like to calculate predictions and prediction coverage on all possible user and item permutations. My data is loaded in from predefined splits. My strategy to calculate prediction coverage is to build a full trainset and fit get lis…