2,204,197 questions
Score of 0
2 answers
51 views
How do I solve an error with a Python scraping program
I'm creating a program to collect news items from the internet regarding companies, separate out the text from the html code and then allocate scoring depending on the information it contains. I've ...
- reputation score 11
Score of 0
1 answer
50 views
When developing the same package for R and Python, do you put them in one github repo or separate repos
When developing the same package for R and Python, should I put them in one GitHub repo or separate repos?
What's making it a tad bit trickier is that the Python package is called
good_name, and the R ...
- reputation score 31
Score of -5
4 answers
368 views
Python script that copies certain lines and writes to other file [closed]
I want to write a .py function that copies any number that contains 5 as the second to last digit within one file, along with the line below it, then write it to a different file.
Trying something ...
- reputation score 3
Score of 2
2 answers
73 views
How to get both losses and detection predictions from Torchvision Faster R-CNN in training mode and vice versa?
I am using PyTorch's torchvision.models.detection.fasterrcnn_resnet50_fpn_v2 to train an object detection model.
By default, when I call the model in training mode, it returns a dictionary containing ...
- reputation score 47
Score of 2
1 answer
127 views
Does loadTable().to_pandas() transfer all data or only metadata first?
When using the Python API, I want to understand the data transfer behavior of loadTable vs to_pandas. The database table has millions of rows and I don't want to accidentally trigger a full transfer.
...
- reputation score 21
Score of -4
0 answers
122 views
How to accurately compute ballistic trajectory with quadratic drag and plot it in a fixed-size terminal grid in Python? [closed]
import math
# Constants
G = 9.81 # m/s^2
DRAG_COEFF = 0.005 # lumped drag factor: 0.5 * Cd * rho * A / m
DT = 0.05
def simulate_trajectory(v0: float, angle_deg: float):
theta = math.radians(...
- reputation score 9
Score of 1
2 answers
111 views
Nubra NubraDataSocket: code after keep_running() never executes, and option subscriptions return nothing
Two problems with the realtime feed:
socket = websocketdata.NubraDataSocket(client=nubra, on_market_data=on_tick,
on_connect=print, on_close=print, on_error=...
- reputation score 37
Score of -5
0 answers
154 views
Merge two Celery tasks
Let's say I have a web scraping pipeline. For some reason, I use Celery to write a sanitized payload to the database. The payload is a list for rows.
Due to the nature of the problem, two Celery tasks ...
- reputation score 188
Score of -6
0 answers
150 views
How can I preserve ID3 metadata when converting audio files to MP3 in Python? [closed]
I’m building a web-based audio processing application that converts audio files to MP3. The conversion itself works, but I’m having trouble preserving metadata such as the track title, artist, album, ...
- reputation score 1
Score of -3
0 answers
94 views
How to place a limit buy with an attached stop-loss and target in Nubra V3 (which executionMode?) [closed]
In Zerodha I'd place a separate SL-M order after the entry fills. Nubra's V3 payload seems to let me attach exits to the entry, but I'm confused by executionMode (ENTRY, EXIT, ENTRY_AND_EXIT) and the ...
- reputation score 37
Score of -7
0 answers
87 views
Does type-checking have any runtime overhead? [duplicate]
At the moment I am excluding all the type-checking imports from runtime as code below but now wondering if this is necessary and whether these actually get compiled into the .pyc and used at runtime ...
- reputation score 1469
Score of 0
0 answers
86 views
User Application doesn't start on the RFID Reader Zebra FX7500
I have a Zebra reader and I want to use with my user application. I created a Python script. I use this help/manual: https://zebradevs.github.io/rfid-ziotc-docs/
I fixed errors in the original Zebra ...
- reputation score 9
Score of -10
0 answers
113 views
How to request JSON data from NYT, BLS, Census, and NewsAPI using Python requests? [closed]
Question
I am practicing how to retrieve JSON data from several public APIs using Python.
I currently have API keys for:
New York Times Article Search API
U.S. Bureau of Labor Statistics (BLS) API
...
- reputation score 1
Score of -9
0 answers
140 views
CS50s finance - stuck at : buy handles valid purchase [closed]
Cause
expected to find "112.00" in page, but it wasn't found
Log
sending POST request to /login
sending POST request to /buy
sending POST request to /buy
checking that "112.00&...
- reputation score 7
Score of 3
1 answer
117 views
Creating a IntegrityError for testing purposes
For testing purposes and building my own understanding, I'd like to create a simple Django model and form that can result in a django.db.utils.IntegrityError when saved. Ideally, the error would be ...
- reputation score 31
