This is a valid syntax in JavaScript: The same behavior can be achieved like this in Python: Is there a Pythonic way how to get the same one-liner like in Javascript without explicitly using an if statement? Answer and is a short-circuit in python (as explained here), so will give you what you want
Store objects between remote functions in Ray
I’m writing a project which writes using the same data a ton of times, and I have been using ray to scale this up in a cluster setting, however the files are too large to send back and forth/save on the ray object store all the time. Is there a way to save the python objects on the local nodes
Flask – RuntimeError: Working outside of application context
I am receiving the ‘RuntimeError: Working outside of application context.’ error in my flask application and am struggling to understand why. I have tried to push the app context, however that didn’t seem to work for me and I may just be slightly confused as to how to access the ‘curre…
Using Scrapy to add up numbers across several pages
I am using Scrapy to go from page to page and collect numbers that are on a page. The pages are all similar in the way that I can use the same function to parse them. Simple enough, but I don’t need each individual number on the pages, or even each number total from each page. I just need the
Django blog.models.Post.DoesNotExist: Post matching query does not exist
I am currently trying to add an Ajax to my like button to prevent refreshing, I am not an expert in JS. I am trying to learn from mistakes and small training exercises like this one but I am getting the following error: and I don’t know the source and reason of this error. Here is the views.py Here is
How do I search inventory by characters in the items name no matter if its uppercase or lowercase? [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago. Improve this question I have an inventory program that works but has one problem. My program let…
Can you continue to run code post Runtime Error?
My code scans through folders and for every folder plots a graph. However at the moment when using my curve fitting code for one of the graphs it produces a runtime error code as: This is annoying because it stops the code and stops the scanning of subsequent folders. Is there any way for the code once the ru…
Create a dependent window?
I want to create a secondary window which is free-floating in relation to the main window. But I also want it to close when the main window closes. Indeed, I want the application to end completely when the main window closes, and assumed this would be default behaviour. MRE: As the code is, closing the main w…
How to deoptimze memory access in python?
This may not useful. It’s just a challenge I have set up for myself. Let’s say you have a big array. What can you do so that the program does not benefit from caching, cache line prefetching or the fact that the next memory access can only be determined after the first access finishes. So we have …
BeautifulSoup returns empty list with valid html content
I’m trying to build a webscraper for a hungarian e-commerce site called https://www.arukereso.hu. The problem is that when the nextpage() function is first called, it returns a valid link (https://www.arukereso.hu/notebook-c3100/?start=25), the request’s content is also valid html, but BeautifulSo…