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python 3.8.2 :

I have tried to get a string, created with join from an enum.

I am trying to get to read this xml in R:

This is what I am passing to the controller

I develop API POST and it works correctly, but when I add [Authorize] attribute I got 401 Unauthorized in the postman even when I add token correct in header

I have a vector with people names with a couple of millions long that I want to remove all characters but the first letter of each word (i.e. initials) and some characters such as ';' and '-'. The vector has large variation in name formats and a small sample would look like this:

I'm trying to perform Elastic Net in R for multiple variables at the same time. I have 15 Xi and I want to find the elastic net model with the use of each variable as regressor. For one Xi I can perform the following and obtain optimal alpha and lambda with the following

for some reason when I try to read the xpath while web scrapping it returns []. See the code below:

I'm building a web crawler using Python 3.8. What I want to do is transform the table below in a pandas dataframe using Selenium, pandas, bs4.

First,I'm sorry that my english is not good,only in stackoverflow i found similar questions but cant understand how to deal :(

Here is my original code: