My jobs are all a series of requests that need to be made per object. Ie, its a User with several data points (potentially hundreds) that need to be added to that user with requests. I had originally written those requests to run synchronously but it was blocking and slow. I was sending each User job to Pytho…
How to change the same keys related to different articles in bibtex?
With the help of some plugin, I get a .bib file with information about scientific articles. Sometimes it turns out that the same keys appear in different records. For example: I am using pybtex library to parse a file. This library ignores duplicate entries with the same keys. Before using this library, I nee…
Receive foreign UDP Broadcast with Python
I have a device in the network at 192.168.123.204 which broadcasts UDP datagrams(Artnet) as 2.168.123.204 to 2.255.255.255:6454. (The network address is 192.168.123.204 but the datagram is sent with 2.168.123.204 as source.) The address 2.255.255.255 can’t be changed (no setting for that). My Python scr…
`UnencryptedCookieSessionFactoryConfig` error when importing Apex
I’m trying to use Apex and whenever I try to import it (or anything involving it) I get the following traceback: I have the Pyramid library installed and importing that causes no issues. My Python version is 3.8.5 and my OS is Ubuntu 18.04.5. I’ve tried searching online but haven’t been able…
FutureWarning: The default value of regex will change from True to False in a future version
I’m running below code to clean text Then it returns a warning Could you please elaborate on the reason of this warning? Answer See Pandas 1.2.0 release notes: The default value of regex for Series.str.replace() will change from True to False in a future release. In addition, single character regular ex…
How do you differentiate between the process and thread in python?
From what I understand, thread and process differs in that thread shares resources. I am not sure if this differs from one language to another, but how do you differentiate between thread and process in general or in Python? Are every independent functions different process? Would a class methods be threads a…
How to create a JSON file from SQL query?
I am creating a JSON file from a SQL query. But I could not create truly. The problem is there is a “items” object and it has products. But mine create products directly not in “items” objects. The Code. yields the following JSON object as a result while the desired one should be as fo…
Constant time list slicing
Is there a library or whatever class that extends or conforms to list APIs that allows slicing in constant time? With a list in Python, lst[1:] will copy the sublist which takes O(n) time. I need some alternative that all operations on lists like max, min, len, set and get would have the expected behaviour, o…
Converting Detectron2 instance segmentation to opencv Mat array
I am trying to get a binary image from the instance segmentation output performed using Detectron2. According to the official documentation the mask’s output format is the following: “pred_masks”: a Tensor of shape (N, H, W), masks for each detected instance. So i tried converting it to numpy: mask = ou…
Pythons library pdfreader for PDF extraction wont iterate trough pages
I want to extract text from PDF file with Python’s lib called pdfreader. I followed the instructions here: https://pdfreader.readthedocs.io/en/latest/tutorial.html#how-to-browse-document-pages This is my code: The code does not give me any errors but the problem is that it does not iterate over pages. V…