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Tag: python

Parsing a XML child element back as a string

I’m trying to parse a complex XML and xpath isn’t behaving like I thought it would. Here’s my sample xml: Here’s my python code: I get the output: when I expected: What am I doing wrong? Answer This XPath will get text and elements as expected Printing found nodes as OP requested Resul…

PostgreSQL NOT operator in SQLAlchemy

I’d like to achieve toggling a boolean flag with just one query. My query looks as follows: Does SQLAlchemy supports PostgreSQL NOT (https://www.postgresql.org/docs/current/functions-logical.html) operator. How this can be achieved different way? Answer As Adrian Klaver points out in their comment, SQLA…

Get values from keys in JSON [closed]

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 10 …

np.linalg.multi_dot for R

I’m trying to do a nested dot result is effectively x.dot(M.dot(M)): In python this loop can be reduced by: Is there something similar for R? Answer As @akrun commented, you could also use Reduce:

How to get rid of the grey top and right line in Altair?

I was trying to visualise a result of linear regression. And I wanted to remove the top and right grey line. I have tried setting stroke=None, strokeWidth=0 and strokeOpacity=0 in global config but none of these worked. How can I get rid of them? Here’s my code and plot. enter image description here Ans…