Consider a table called DataTable. It has two fields, A and B. I want to return all rows of this table plus annotate a field called C that is a concatenation of A and B. Here is what I have tried problem here is that C is literally just the string literal “A – B” for every returned row. I
Tag: python
Efficient regex with lists
I have a list of strings coming from os.listdir() that looks like the following: out of those entries, I wanna get the ones that match the “backup_YYYYMMDD” pattern. The regex for that, with named groups, would be I am trying to create a list that contains the date only from the above (aka the .gr…
How to get the path of a function in Python?
I want to obtain the file path of a function in Python. How to do it? For example, Thank you. Answer You can use the getfile() function from the inspect module for this purpose. For example, given the following files: inspect-example.py external_def.py Executing inspect_example.py produces the following outpu…
Python from django.contrib.auth.views import logout ImportError: cannot import name ‘logout’
I have configured my python env with python 3.5, but I am getting the following error when I run my server with the command python manage.py runserver this is my config I tried reinstalling my env and changing python version but issue stills happening. Thanks for your questions guys Answer Hey looks like you …
OSError: [Errno 8] Exec format error: ‘geckodriver’ when trying to open firefox using selenium in python
The entire stack trace looks like: my path to geckodriver is: And selenium is in: Thanks in advance! Answer You have most probably installed a version of geckodriver that is meant for a different OS/platform! get the correct version from https://github.com/mozilla/geckodriver/releases and replace the one you …
How do I get the face_recognition encoding from many images in a directory and store them in a CSV File?
This is the code I have and it works for single images: Loading images and apply the encoding Face encodings are stored in the first array, after column_stack we have to resize Convert array to pandas dataframe and write to csv How do I loop over the images in ‘Folder’ and extract the encoding int…
Error column doesn’t exist on custom module Odoo
I’m working on a custom module and i need to add field to res.partner model. I’ve add some field to this model but since 1 week, when i try to add a new one i got this error : Other field works good but not this one : I really don’t unterstand why i have this issue. I’ve try to
Pycharm Can’t install TensorFlow
I cannot install tensorflow in pycharm on windows 10, though I have tried many different things: went to settings > project interpreter and tried clicking the green plus button to install it, gave me the error: non-zero exit code (1) and told me to try installing via pip in the command line, which was succ…
USBError: [Errno 13] Access denied (insufficient permissions)
This problem is old as the world. There are discussions and solutions available. It all boils down to update the rules file and give permissions. So I have followed the recipe. But I still have the same problem. here are screenshots showing I follow instructions. Versions: Error: Rules. file (location /etc/ud…
Pyspark: how to duplicate a row n time in dataframe?
I’ve got a dataframe like this and I want to duplicate the row n times if the column n is bigger than one: And transform like this: I think I should use explode, but I don’t understand how it works… Thanks Answer The explode function returns a new row for each element in the given array or m…