I have the following dataset: The dataframe shows when different investment firms have invested in the same Company during a year. I want to create a network graph of the Connections between the Firm_ID only. For example Ampersand and BancBoston have both invested in the same company and should therefore be c…
What is the relation between a learning rate scheduler and an optimizer?
If I have a model: And then I’m defining my inputs, optimizer (with lr=0.1), scheduler (with base_lr=1e-3), and training: The optimizer seems to take the learning rate of the scheduler Does the learning rate scheduler overwrite the optimizer? How does it connect to it? Trying to understand the relation …
GTK – Python Treeview Sort Column Data (File Size – Byte Data)
I have a GTK GUI with Python code. There is a treeview on the GUI. I need to list file sizes on the treeview and sort them by file size by clicking on the column. But it sorts files by using their sizes as string. What is the common way for sorting this files? Using string file size values (with
Dynamically created QImage frames to ffmpeg stdin using QThread
I am trying to create video files with ffmpeg using frames dynamically created on a separate thread. While I can create those frames and store them on disk/memory, I’d like to avoid that passage since the amount/size of the frames can be high and many “jobs” could be created with different f…
Can’t Make Code Detect whose turn it is in Python IDLE
My friend and I are trying to code the “21” game into Python, where you play against a random thingy and you take in turns adding numbers (from 1-4) to a score and if its 21 or above when its your turn, you lose. but we can’t figure out how to make it detect who’s turn it was when it
Pytorch getting RuntimeError: Found dtype Double but expected Float
I am trying to implement a neural net in PyTorch but it doesn’t seem to work. The problem seems to be in the training loop. I’ve spend several hours into this but can’t get it right. Please help, thanks. I haven’t added the data preprocessing parts. (tensor([ 5., 5., 8., 14.], dtype=to…
deleting a label after a given time period
I am trying to delete a label after a given time period but I am getting an error which I understand here’s the code which is giving the error and heres the error how can I delete the label ?? Answer As the error said, the label has already been destroyed when update() is triggered/executed by .after().…
Can’t install alpaca_trade_api
I tried using pip install alpaca_trade_api and it errored out with exit status 1. I also tried pip install alpaca-trade-api and it had the same errors. I get a ton of errors including this one: Additionally the command takes forever to run. I think this may have to do with me upgrading pip and pip3 and accide…
Get only numbers at the end (regex)
I’d like to get only the numbers (integers) at the end of the phrases below: I mean: 600, 1400, 100000. I’ll add each one of them to a database later. I tried to use regex: (?<=s)(d*s*)|(d*.d*)$ But it didn’t work properly. Any ideas? PS: We use dots, not commas to represent a thousand: 1…
How to create multiple routes dynamically for same function and pass data which is fetched on the basis of Unique ID to single template in FLASK
I am a newbie to FLASK. I am creating an e-commerce site in flask and I want to create multiple routes dynamically for same function and pass data which is fetched on the basis of Unique ID to single template in FLASK. Let me explain it. I have a table in DB as below: id category slug 1 cat1 slug1