Intro I have rewritten one of my previously sequential algorithms to work in a parallel fashion (we are talking about real parallelism, not concurrency or threads). I run a batch script that runs my “worker” python nodes and each will perform the same task but on a different offset (no data sharin…
How to convert a array of array to array of tuples
I everyone, I struggle to convert an array of array like this : to an array of tuples (array, str) like this: I did find a way to append the type to the array but it’s not exactly what I want: Do you have something better ? Thanks :) Answer Solution Shortest solution: list(zip(vals, types)) 🔥🔥🔥 Output:…
Pytorch: 1D target tensor expected, multi-target not supported
I want to train a 1D CNN on time series. I get the following error message 1D target tensor expected, multi-target not supported Here is the code with simulated data corresponding to the structures of my data as well as the error message Error message: What am I doing wrong? Answer You are using nn.CrossEntro…
PyCharm: Run `black -S` on region
We are not ready to automatically format the whole source code with black. But from time to time I would like to execute black -S on a region via PyCharm. There is a hint in the docs how to run black (or black -S (what I like)) on the whole file. But … How to run black only on a
Setting href to dynamic view name
Trying to pass urls.py view names dynamically to template and then creating hyperlink to each view. How can href be adjusted to handle it. Answer I do not know what stg.addLink returns but to make it work you need to change from to BUT AGAIN it may not work. It depents what stg.editLink returns
Main code in running but the other code doesn’t run
I am learning design pattern in python and the subject is singleton objects so, I was writing my main code as PRO003 and import it into PRO004. This is PRO003 Code: And This is PRO004 code: But This Is The Output: I think this code want self, but self is not giving and it is by class and it must
randomly choose different sets in numpy?
I am trying to randomly select a set of integers in numpy and am encountering a strange error. If I define a numpy array with two sets of different sizes, np.random.choice chooses between them without issue: However, once the numpy array are sets of the same size, I get a value error: Could be user error, but…
Can I use numpy.polyfit(x, y, deg) for multiple linear regression
Is there any way I can fit two independent variables and one dependent variable in numpy.polyfit()? I have a panda data frame that I loaded from a csv file. I wish to include two columns as independent variables to run multiple linear regression using NumPy. Currently my simple linear regression looks like th…
using ModuleList, still getting ValueError: optimizer got an empty parameter list
With Pytorch I am attempting to use ModuleList to ensure model parameters are detected, and can be optimized. When calling the SGD optimizer I get the following error: ValueError: optimizer got an empty parameter list Can you please review the code below and advise? Answer This seems to be a copy-paste issue:…
Convert ReadyAPI xpath for use in Python 3
I’m having trouble converting xpath expressions that I use in ReadyAPI for use in Python 3 with the lxml library. I’ve read the lxml documentation but I’m not getting the same results. Here’s my XML: I use the following xpath expressions in ReadyAPI: //*:Reply[*:Name=”Name of Rep…