DeveloperLoad - DeveloperLoad

Error "variable is not defined", but the variable can be called in the console

I use python on Spyder. My script uses a variable called imgs. I have the following error : name 'imgs' is not defined. But when I try to call imgs in the conso

Can't connect to PostgreSQL docker image (with a forwarded port)

I created my docker image with the following command - sudo docker run -d --name pg1 -e POSTGRES_PASSWORD=pass -p 5431:5432 postgres I tried connecting using p

mongoengine.errors.FieldDoesNotExist: The fields "{'username', 'password'}" do not exist on the document "Users" : Error in FastAPI

I am learning FastAPI and using MongoDB. I am trying to make post request on the User object but there is some error that I am not able to figure out. The code

Where is the event listener for submission the form?

A twitter-like website in Chinese. When I type a message and click a submit "button", a new entry is created. But I can't figure out the event listener for the

url 404 with I go in a specificy url

I have a web app and when I go on : http://localhost:8080/Test/home http://localhost:8080/Test/login It gives me 404, and it doesn't me the home My app-rou

magento 2 product video thumbnail size change

I can upload the product video on magento2 backend and i can see the video on frontend but the thumbnail image of the video size is not the same as the original

Ways to check within an application if an instance of the application is already running?

I have an application that runs on a schedule. I want the application to check if an instance of it is already running. If there is an instance running then t