QuestionId int64 74.8M 79.8M | UserId int64 56 29.4M | QuestionTitle stringlengths 15 150 | QuestionBody stringlengths 40 40.3k | Tags stringlengths 8 101 | CreationDate stringdate 2022-12-10 09:42:47 2025-11-01 19:08:18 | AnswerCount int64 0 44 | UserExpertiseLevel int64 301 888k | UserDisplayName stringlengths 3 30 β |
|---|---|---|---|---|---|---|---|---|
78,981,007 | 6,394,722 | How to add namespace when add node to XML with xml.etree.ElementTree? | <p>I have next code to parse one XML string, and then add a new node to the XML. But you can see my code can only add <code><category term="Platform Version" value="Linux_6.6" /></code> without namespace.
I need the <code>ns0</code> before <code>category</code>.</p>
<p><code>test_xml.py</code>... | <python><xml><elementtree> | 2024-09-13 06:55:16 | 2 | 32,101 | atline |
78,980,993 | 13,494,917 | When comparing two dataframes in an azure function app, I receive this error- valueerror: the truth value of a series is ambiguous | <p>I have some logic here that I'm using to iterate through dataframes. My goal is to iterate through all of the rows in one dataframe and compare that row against every row found in another dataframe. So, where "code" matches in the two dataframes I want to</p>
<ol>
<li>Transform df2's code to equal df's&qu... | <python><sql><pandas><dataframe><azure-functions> | 2024-09-13 06:52:33 | 1 | 687 | BlakeB9 |
78,980,960 | 12,466,687 | How to get consistent results in tabular PDF parsing with llama-parse? | <p>I was parsing some PDF files using llama in Python with below code:</p>
<pre><code>import os
import pandas as pd
import nest_asyncio
nest_asyncio.apply()
os.environ["LLMA_CLOUD_API_KEY"] = "some_key_id"
key_input = "some_key_id"
from llama_parse import LlamaParse
# running llama pa... | <python><pdf><pdf-parsing><llama-parse> | 2024-09-13 06:44:26 | 2 | 2,357 | ViSa |
78,980,819 | 311,786 | Using specific Django LTS version with cookiecutter-django | <p>Currently, the Cookiecutter Django template uses Django 5.0, which is not a long-term support (LTS) release.</p>
<p>I couldn't find clear instructions in their documentation on how to specify a different Django version during installation.</p>
<p>I'd like to use Django 4.2 with <a href="https://github.com/cookiecutt... | <python><django><cookiecutter-django> | 2024-09-13 06:02:06 | 1 | 1,846 | Manish |
78,980,609 | 520,558 | Weirdest behaviour (pycharm, python, virtual environment, loading error) | <p>Long story short: python "sees" some files but not others.
<a href="https://i.sstatic.net/A2YbqY98.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/A2YbqY98.png" alt="the console inside pycharm" /></a></p>
<p><a href="https://i.sstatic.net/4D0b6aLj.png" rel="nofollow noreferrer"><img src="htt... | <python><pycharm><python-venv> | 2024-09-13 04:19:27 | 1 | 2,171 | Attilio |
78,980,496 | 2,985,331 | Moving a class into a module and loading an instance from joblib | <p>I have a class called DiseaseTree defined in a file called diseaseTree.py. I have been using this class for a while. In a different workflow I have generated an instance of this class, and written to file using joblib.</p>
<p>I am now attempting to construct a module, with this code in it.
My directory structure loo... | <python><joblib> | 2024-09-13 03:21:21 | 1 | 451 | Ben |
78,980,254 | 3,311,276 | Why adding custom_openapi scema to FastAPI is causing the authorisation not to work? | <p>I have this FastAPI app working in the <code>main.py</code>:</p>
<pre><code>app = FastAPI()
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
sub_app1 = FastAPI()
sub_app1.include_router(aut... | <python><fastapi> | 2024-09-13 00:28:15 | 1 | 8,357 | Ciasto piekarz |
78,980,144 | 17,275,378 | Select Multiple Columns Efficiently in SQLModel | <p>I'm using <a href="https://github.com/fastapi/sqlmodel" rel="nofollow noreferrer">SQLModel</a>, which is a wrapper around SQLAlchemy.</p>
<p>The data model includes:</p>
<pre><code>class Line(SQLModel, table = True):
id: int | None = Field(default = None, primary_key = True)
name: str
class Product(SQLModel... | <python><sqlmodel> | 2024-09-12 22:59:12 | 1 | 326 | eldrly |
78,980,136 | 44,375 | Face recognition test failing with correct image | <p>I'm beginning to explore face recognition but even my simple "hello world" is blowing up on my face.</p>
<p>Here's the code:</p>
<pre class="lang-python prettyprint-override"><code>import face_recognition
from PIL import Image
import numpy as np
import base64
from io import BytesIO
def test_face_recogniti... | <python><face-recognition> | 2024-09-12 22:54:08 | 1 | 11,730 | Paulo Santos |
78,980,100 | 1,444,564 | Python/Oct2Py/Octave Setup Woes | <p>In Windows 10 or 11, I am trying to set up a Python/Oct2Py/Octave environment so that I can write Python scripts that can invoke Octave functionality. I set this up on my own machine, and got it working about a year ago. Now I am trying to replicate this setup, but my notes must be somewhat deficient, as I run into ... | <python><octave><oct2py> | 2024-09-12 22:28:08 | 1 | 723 | Bob |
78,979,833 | 8,086,892 | Monkeypatch Extract step in ETL data pipeline for functional testing | <p>Consider an ETL pipelines repo build like that:</p>
<pre><code>etl_repo
βββ app
βββ extract
βββ extr_a.py
βββ extr_b.py
βββ transform
βββ trans_a.py
βββ trans_b.py
βββ load
βββ load_a.py
βββ load_b.py
βββ config.py
... | <python><pytest><monkeypatching> | 2024-09-12 20:22:59 | 2 | 347 | mouch |
78,979,548 | 6,930,340 | Create list column out of column names | <p>I have a simple <code>pl.DataFrame</code> with a number of columns that only contain boolean values.</p>
<pre><code>import polars as pl
df = pl.DataFrame(
{"s1": [True, True, False], "s2": [False, True, True], "s3": [False, False, False]}
)
shape: (3, 3)
βββββββββ¬ββββββββ¬ββββββββ
... | <python><python-polars> | 2024-09-12 18:45:17 | 3 | 5,167 | Andi |
78,979,442 | 7,700,802 | Get subset of dataframe following a condition from a dictionary | <p>I am trying to find instances of where three columns may exceed some number that is stored in a dictionary. I know this code works, but I think there is a better more pythonic way of doing this.</p>
<pre><code>l = []
for index, row in df_usage.iterrows():
item_id = row['item_id']
try:
if (
... | <python><pandas> | 2024-09-12 18:01:00 | 1 | 480 | Wolfy |
78,979,400 | 9,064,615 | How to set width/height of widgets within a Paned Window widget in Tkinter after initialization? | <p>I'm trying to create a save/restore functionality in my Tkinter GUI, but I'm having trouble restoring the width/height of Widgets within a Paned Window. I've tried .place() and .config, but the resizable window around each of the widgets disappears and I can no longer resize each widget.</p>
<p>Example code:</p>
<pr... | <python><python-3.x><tkinter> | 2024-09-12 17:50:53 | 3 | 608 | explodingfilms101 |
78,979,258 | 163,679 | Configure python argparse to accept an optional argument multiple times, like `grep --exclude` | <p>How do I configure a python <code>argparse</code> object to accept an optional argument multiple times, similar to how I can pass <code>--exclude</code> to <code>grep</code> mutliple times?</p>
<pre><code># Command line example
python main.py --exclude=foo.js --exclude=bar.java # args.exclude should be ['foo.js', '... | <python><argparse> | 2024-09-12 17:07:27 | 1 | 2,673 | bigh_29 |
78,979,081 | 2,928,970 | Python exception stack trace not full when function is wrapped | <p>I have two files <code>t.py</code>:</p>
<pre><code>import functools
import traceback
def wrapper(func):
@functools.wraps(func)
def wrapped(*args, **kwargs):
try:
return func(*args, **kwargs)
except Exception as e:
traceback.print_exception(e)
return wrapped
@w... | <python><exception><wrapper><python-decorators> | 2024-09-12 16:15:06 | 2 | 1,395 | hovnatan |
78,978,944 | 4,817,370 | TimescaleDB not accepting intervales less than one day | <p>I have a timescaleDB but I cannot seem to be able to use the time_bucket method with less than one day intervals.</p>
<p>The code attempting to access it is running inside of a fast API and is as follows :</p>
<pre class="lang-py prettyprint-override"><code> async def get_candlestick_data(self, db: AsyncSession,... | <python><sqlalchemy><fastapi><timescaledb> | 2024-09-12 15:38:49 | 2 | 2,559 | Matthieu Raynaud de Fitte |
78,978,937 | 1,818,713 | In a python stubs file, how to have a type without importing an external package? | <p>Suppose I want to annotate pyarrow's <code>pq.ParquetFile</code> which takes a filesystem parameter. A valid input to that parameter is pyarrow's own FileSystem implementation. That is easy enough to just have <code>filesystem: FileSystem | None</code> but what I really want is <code>filesystem: FileSystem | fsspec.... | <python><python-typing> | 2024-09-12 15:36:59 | 0 | 19,938 | Dean MacGregor |
78,978,810 | 12,466,687 | How to use st.file_uploader() returned object to parse pdf through LlamaParse() in python streamlit? | <p>I am trying to upload a PDF using <code>st.file_uploader()</code> from <code>streamlit</code> and then parse it using <code>LlamaParse()</code> currently running on <code>localhost</code>.</p>
<p>Issue is I am getting <code>[]</code> in output which is probably happening because of directly using returned <code>uplo... | <python><pdf><file-upload><streamlit><llama> | 2024-09-12 15:02:57 | 1 | 2,357 | ViSa |
78,978,783 | 607,846 | Iterate over batch size for each batch | <p>Its there a more pythonic way, or built in function in python to do the following:</p>
<pre><code>def batch(number, batch_size):
number_left = number
while number_left:
if number_left >= batch_size:
yield batch_size
number_left -= batch_size
else:
yield ... | <python> | 2024-09-12 14:58:30 | 3 | 13,283 | Baz |
78,978,757 | 13,158,157 | How to prevent Calamine from auto-guessing data types when reading Excel files | <p>Iβm working with an Excel file and need to read its contents into a DataFrame. When I use pandas (with default engine), I can specify the data type of the columns to be strings, which works perfectly:</p>
<pre><code>import pandas as pd
df = pd.read_excel(fp, dtype=str, nrows=10)
print(df[col])
</code></pre>
<p>This... | <python><excel><pandas><calamine> | 2024-09-12 14:54:40 | 1 | 525 | euh |
78,978,753 | 8,297,745 | How to manage concurrent API token updates in a Python script using a ini file for multiple clients? | <p>Iβm working on a Low-Level Discovery (LLD) script for Zabbix, which is set up as an "External" item.
The script interacts with Arubaβs API to generate hosts for different clients based on their specific sites and devices.</p>
<p>The Aruba API requires authentication via access tokens, which expire after a ... | <python><zabbix> | 2024-09-12 14:54:12 | 0 | 849 | Raul Chiarella |
78,978,581 | 247,542 | Playwright test failing in headless mode due to Paypal button | <p>I have a Playwright test that confirms an e-commerce site's checkout process works, which terminates in clicking a Paypal button, logging into Paypal, and clicking submit payment.</p>
<p>In headed mode, it can interact with the Paypal popup just fine, but in headless mode, the Paypal widget doesn't render at all, an... | <python><paypal><playwright><playwright-python> | 2024-09-12 14:15:34 | 0 | 65,489 | Cerin |
78,978,563 | 24,191,255 | Colouring a surface using go.Surface in plotly | <p>I aim to colour a surface in a 3d plot, created using <code>plotly.graph_objects</code>.</p>
<p>I've been working on an approach incorporating <code>Mesh3d</code>, the code runs, but the wanted surface is not coloured. How can this be solved in <code>plotly</code>?</p>
<p>The final outcome should look similar to thi... | <python><arrays><plot><plotly><surface> | 2024-09-12 14:10:56 | 1 | 606 | MΓ‘rton HorvΓ‘th |
78,978,557 | 1,424,395 | Plotting each row in a pandas DataFrame as a bar with seaborn | <p>Given such a dataframe,</p>
<pre><code>data = pd.DataFrame({'a':[1,2],'b':[2,3],'c':[3,4],'d':[1,2],'code':[1,2]})
a b c d code
0 1 2 3 1 1
1 2 3 4 2 2
</code></pre>
<p>I want to have a barplot with a 2 bars for each column (one for each row...)</p>
<p>this one</p>
<pre><code>sns.barplot... | <python><pandas><seaborn> | 2024-09-12 14:09:33 | 1 | 1,827 | myradio |
78,978,475 | 17,082,611 | Unable to import module 'main': No module named 'pydantic_core._pydantic_core when deploying a FastAPI app to AWS Lambda | <p>I am working on my MacOS machine following <a href="https://www.youtube.com/watch?v=7-CvGFJNE_o" rel="nofollow noreferrer">this tutorial</a>.</p>
<p>I am trying to deploy my FastAPI app to AWS Lambda.</p>
<p>I launched <code>pip install fastapi uvicorn mangum</code></p>
<p>and these are the dependencies I get:</p>
<... | <python><amazon-web-services><aws-lambda><fastapi><python-3.12> | 2024-09-12 13:47:45 | 1 | 481 | tail |
78,978,265 | 2,171,348 | python 3.9 multiprocessing.RLock on windows 10 | <p>Here is my code:</p>
<pre><code>from multiprocessing import Process, RLock
import os
LOCK = RLock()
def acquire_lock():
r = LOCK.acquire()
print(os.getpid(), "lock acquired:", r)
if __name__ == "__main__":
acquire_lock()
process1 = Process(target=acquire_lock)
process1.sta... | <python><multiprocessing><locking> | 2024-09-12 12:55:39 | 0 | 481 | H.Sheng |
78,978,045 | 562,769 | Is it possible to switch to a through model in one release? | <p>Assume I have those Django models:</p>
<pre><code>class Book(models.Model):
title = models.CharField(max_length=100)
class Author(models.Model):
name = models.CharField(max_length=100)
books = models.ManyToManyField(Book)
</code></pre>
<p>I already have a production system with several objects and sever... | <python><django><django-orm> | 2024-09-12 11:59:52 | 1 | 138,373 | Martin Thoma |
78,978,016 | 1,606,657 | Add default text to curses Textbox object | <p>I'm using the curses python library in an application and have implemented a <code>Textbox</code> as well <a href="https://docs.python.org/3/library/curses.html#textbox-objects" rel="nofollow noreferrer">https://docs.python.org/3/library/curses.html#textbox-objects</a>.</p>
<p>Is there a way to add a default text wh... | <python><textbox><python-curses> | 2024-09-12 11:53:35 | 1 | 6,352 | wasp256 |
78,977,945 | 1,473,517 | What is the fastest way to read in a large yaml file containing lists of lists? | <p>I have a number of yaml files I need to read in which contain lists of list. Here is a way to make some example data:</p>
<pre><code>from time import time
import random
import yaml
# First make a list of lists
N = 2**17
lol = []
for _ in range(N):
lol.append([random.uniform(0, 2) for _ in range(10)])
# Write t... | <python><performance> | 2024-09-12 11:32:12 | 1 | 21,513 | Simd |
78,977,827 | 1,469,980 | Cannot close a dialog PyQt5 | <p>I have the following 2 classes. From <code>UI_mainwindow</code> I open a dialog as seen below. I want that dialog to close when I click on one of those 2 buttons (<code>createProject_btn</code>, <code>openProject_btn</code>). Though nothing seems to be working.</p>
<p>I know this kind of questions have been asked mi... | <python><pyqt5><qdialog> | 2024-09-12 11:03:02 | 0 | 7,390 | Tolga Evcimen |
78,977,494 | 9,525,238 | Combine 2 numpy 1d arrays taking elements from each consecutively | <p>I have 2 arrays</p>
<pre><code>xs1 = [ x0, x1, x2, x3, x4, x5, x6, x7, x8]
xs2 = [x00, x01, x02, x03, x04, x05, x06, x07, x08]
</code></pre>
<p>I want to combine them taking an element from each at a time.</p>
<pre><code>xs = [x0, x00, x1, x01, x2, x02, x3, x03, x4, x04, x5, x05, x6, x06, x7, x07, x8, x08]
<... | <python><numpy> | 2024-09-12 09:39:31 | 2 | 413 | Andrei M. |
78,977,364 | 188,331 | Simple import codes in transformers cause errors | <p>Here are my simple import codes:</p>
<pre><code>from transformers import trainer_seq2seq
</code></pre>
<p>It shows:</p>
<pre><code>2024-09-12 16:47:25.651645: E external/local_xla/xla/stream_executor/cuda/cuda_fft.cc:485] Unable to register cuFFT factory: Attempting to register factory for plugin cuFFT when one has ... | <python><tensorflow><huggingface-transformers> | 2024-09-12 09:09:30 | 1 | 54,395 | Raptor |
78,977,145 | 179,014 | Derived python dataclass cannot override default value? | <p>In the following code snippet the dataclass <code>Derived</code> is derived from dataclass <code>Base</code>. The <code>Derived</code> dataclass is setting new default values for <code>field1</code> and <code>field2</code>.</p>
<pre><code>from dataclasses import dataclass
@dataclass
class Base:
field1: str
... | <python><inheritance><python-dataclasses> | 2024-09-12 08:11:52 | 1 | 11,858 | asmaier |
78,977,133 | 8,946,188 | Why does drop_duplicates in_place = True not work in this case? | <p>Sample data:</p>
<pre><code>data = [[1, 'john@example.com'], [2, 'bob@example.com'], [3, 'john@example.com']]
person = pd.DataFrame(data, columns=['id', 'email']).astype({'id':'int64', 'email':'object'})
</code></pre>
<p>Reproducible code:</p>
<pre><code>(person.sort_values(by = ['email', 'id'], ascending = [True, T... | <python><pandas><dataframe><in-place><drop-duplicates> | 2024-09-12 08:09:59 | 1 | 462 | Amazonian |
78,977,057 | 7,519,700 | elasticsearch-py add delay between retries | <p>I'm instantiating a python elasticsearch client as follows</p>
<pre><code>es = Elasticsearch(
hosts=ELASTICSEARCH_URL,
timeout=5,
ignore_unavailable=True,
# connection_retries=Retry(
# total=5,
# backoff_factor=1.1,
# status_forcelist=[429, 502, 503... | <python><delay><elasticsearch-py> | 2024-09-12 07:49:05 | 1 | 1,033 | room13 |
78,976,844 | 2,573,075 | ODOO 17 Obtain sorted query result for a customized report | <p>In a crm.lead model I have 2 more attributes (columns) let's call col1 and col2.</p>
<p>How do I obtain 2 recordsets for each user like "select * from crm_records col1 desc limit 5" and the second "select * from crm_records col1 desc limit 5" in the same?</p>
<p>In the beginning, I was trying to ... | <python><sql><odoo><odoo-17> | 2024-09-12 06:58:42 | 1 | 633 | Claudiu |
78,976,722 | 1,922,589 | PyYAML - error: subprocess-exited-with-error | <p>I got this error when trying to install PyYAML</p>
<pre><code>Collecting PyYAML==5.4.1 (from -r /xxx/src/requirements_2.txt (line 21))
Using cached PyYAML-5.4.1.tar.gz (175 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... error
error: subprocess-exited-with-error
Γ Gett... | <python><pyyaml> | 2024-09-12 06:26:09 | 1 | 24,027 | Nurdin |
78,976,441 | 2,717,373 | centering the bottom row of subplots in a matplotlib grid | <p>If I have 5 plots I want to present, is it possible to have them in 2 rows, with the top row having 3 plots, the bottom row having 2 plots, but the bottom row centred?</p>
<p>I can plot them with 3 on the top and 2 on the bottom, but I can't work out how to centre the bottom row.</p>
<p>for example:</p>
<pre><code>i... | <python><matplotlib><plot><layout> | 2024-09-12 04:06:53 | 2 | 1,373 | guskenny83 |
78,976,156 | 11,934,499 | i am using cookiecutter-django with docker and it keeps reloading in the local env | <p>I am starting to use cookiecutter-django 2024.07.26 with docker
and after a few updates it keeps reloading</p>
<p><a href="https://i.sstatic.net/CU67taqr.gif" rel="nofollow noreferrer"><img src="https://i.sstatic.net/CU67taqr.gif" alt="screen recorder" /></a></p>
<pre><code>aqua_loui_local_django | * Detected ch... | <python><django><docker><local><cookiecutter-django> | 2024-09-12 01:39:28 | 1 | 1,423 | Ahmed Abo 6 |
78,976,148 | 6,929,343 | Get PythonTkinter width of string in pixels using given font | <p>Given a string such as "this is a string" or "THIS IS A STRING" and knowing the font family and size, how can the pixel width be calculated?</p>
<p>This is required to align columns for an eyesome GUI.</p>
| <python><string><user-interface><tkinter><width> | 2024-09-12 01:36:17 | 1 | 2,005 | WinEunuuchs2Unix |
78,975,956 | 1,380,285 | python list comprehension -- two loops with three results? | <p>I can ask my question best by just giving an example. Let's say I want to use a list comprehension to generate a set of 3-element tuples from two loops, something like this:</p>
<pre><code>[ (y+z,y,z) for y in range(10) if y%2==0 for z in range(20) if z%3==0 ]
</code></pre>
<p>This works, giving me</p>
<pre><code>[... | <python><list-comprehension> | 2024-09-11 23:08:29 | 3 | 6,713 | bob.sacamento |
78,975,869 | 2,687,317 | pandas- merge to datasets with diff col names adding values from the second into the first | <p>I have a couple of dataframes:</p>
<pre><code>DTime A B C
2023-02-21 00:00:01 0 0 0
2023-02-21 00:00:02 0 1 0
2023-02-21 00:00:03 0 0 2
2023-02-21 00:00:04 4 2 0
DTime AAA BBB CC DDD EE
2023-02-21 00:00:01 0 0 0 1 0
2023-02-21 00:00:02 0 1 0 0 0
2023-02-21 00:00:03 0 0 2 0 1
2023-02-2... | <python><pandas><merge> | 2024-09-11 22:21:07 | 3 | 533 | earnric |
78,975,859 | 19,366,064 | Pycharm: How to display project name instead of path | <p><a href="https://i.sstatic.net/BaHL3ozu.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/BaHL3ozu.png" alt="enter image description here" /></a></p>
<p>Pycharm: How to display project name instead of path</p>
<p>The screen shot above shows the project tool window. Under Project Files view, it display t... | <python><pycharm> | 2024-09-11 22:18:49 | 1 | 544 | Michael Xia |
78,975,828 | 2,171,348 | how to share hash() function output with multiprocessing.Array in python 3? | <p>I need to share some 64-bit integers in a python 3 multiprocessing runtime.</p>
<p>I tried to use multiprocessing.Array, and it works on linux, but fails on Windows.</p>
<p>The long type for multiprocessing.Array is 64-bit on linux, but on Windows (10) it's only 32-bit! Cannot use the same code on both OSes.</p>
<p>... | <python><python-multiprocessing><long-integer> | 2024-09-11 22:01:58 | 0 | 481 | H.Sheng |
78,975,818 | 1,125,062 | How to use parallel torch cuda streams without causing oom? (example included) | <p>I'm storing a large amount of tensors data in a cpu memory, and the intended workflow is to process them using the GPU. And while one chunk is being processed, <em>simultaneously</em> transfer the previous chunk's result back into cpu. And <em>simultaneously</em> transfer the next chunk into gpu so it's ready to pro... | <python><python-3.x><machine-learning><pytorch><cuda-streams> | 2024-09-11 21:55:42 | 0 | 4,641 | Anonymous |
78,975,805 | 3,825,948 | Convert wav to mulaw in Python | <p>I'm opening a wav file and attempting to convert it into mulaw unsuccessfully. The mulaw is then sent to Twilio to play. The code is as follows:</p>
<pre><code> with wave.open('audio/test.wav', 'rb') as wav:
raw_wav= wav.readframes(wav.getnframes())
raw_ulaw = audioop.lin2ulaw(raw_wav, wav.getsampwidth())
</... | <python><twilio><wav><file-conversion><mu-law> | 2024-09-11 21:49:01 | 0 | 937 | Foobar |
78,975,594 | 22,407,544 | Should I use Django's `FloatField()` or `DecimalField(`) for audio length? | <p>I use:</p>
<pre class="lang-py prettyprint-override"><code>duration = float(ffmpeg.probe(audio_path)["format"]["duration"])
</code></pre>
<p>I collect an audio/video's length and want to store it using my models. Should I use <code>models.DecimalField()</code> or <code>models.FloatField()</code>?... | <python><django> | 2024-09-11 20:24:07 | 2 | 359 | tthheemmaannii |
78,975,581 | 2,262,854 | Split pdf pages workflow with celery | <p>I have the following use case using Celery and Flask.</p>
<p>A user uploads a PDF file. I want a worker to count the number of pages, n workers to split each page in a separate PDF file in parallel and then one worker to generate a report.</p>
<pre><code> +----------------+
... | <python><flask><celery> | 2024-09-11 20:17:43 | 0 | 2,366 | maxime |
78,975,570 | 8,510,149 | Rank on a subset of a partition - PySpark | <p>The code snippet below creates the column 'rank' with a condition. I want to perform the rank based on a subset of the partition, hence I use a when clause and set category=='Y' and then execute the rank. However, I did not expect the result below. Where I expected rank=1 it is in fact rank=2.</p>
<p>How can I achie... | <python><pyspark> | 2024-09-11 20:13:37 | 1 | 1,255 | Henri |
78,975,435 | 23,260,297 | float values not displaying decimal places when using pandas to_sql() | <p>I am inserted values into a table using <code>df.to_sql()</code> function, but the values are not being displayed properly in SQL Server.</p>
<p>At the top of my script I use:</p>
<pre><code>pd.options.display.float_format = '{:,.4f}'.format
</code></pre>
<p>and when I print my dataframes all is well:</p>
<pre><code... | <python><sql-server><pandas><sqlalchemy> | 2024-09-11 19:25:43 | 1 | 2,185 | iBeMeltin |
78,975,421 | 1,924,830 | How do I filter across multiple model relationships? | <p>My models:</p>
<pre><code>class Order (models.Model):
customer = models.ForeignKey("Customer", on_delete=models.RESTRICT)
request_date = models.DateField()
price = models.DecimalField(max_digits=10, decimal_places=2)
@property
def agent_name(self):
assignment = Assignment.objec... | <python><django><sqlite><django-models><django-views> | 2024-09-11 19:22:04 | 5 | 303 | grover999 |
78,975,219 | 4,749,639 | Maintaining order in polars data frame after `partition_by` | <p>Does <code>polars.DataFrame.partition_by</code> preserves the order of rows <strong>within</strong> each group?</p>
<p>I understand that <code>group_by</code> does, even when <code>maintain_order=False</code>. From <a href="https://docs.pola.rs/api/python/stable/reference/dataframe/api/polars.DataFrame.group_by.html... | <python><python-polars> | 2024-09-11 18:17:34 | 1 | 307 | jcsun |
78,974,811 | 16,155,080 | Resource exhaustion and SSLTransport errors with FastAPI websocket shared between multiples threads | <p>I am developing a back-end FastAPI server that is a game.</p>
<p>All players connect and interact with the game via a Websocket in the main thread.</p>
<p>The game has multiples categories that are all running in a separate thread with the websocket as a common parameter. Input messages are received in the main thre... | <python><multithreading><websocket><fastapi> | 2024-09-11 16:22:21 | 0 | 641 | Jules Civel |
78,974,795 | 2,386,113 | Caching in python is working slower than without caching | <p>In a Python program, I have to load a couple of thousands of files. I want to maintain their cache. I am able to create the cache using <code>joblib</code>. But for me, the program loads the data faster if I disable the caching.</p>
<p><strong>Step to run MWE:</strong></p>
<ul>
<li>For my MWE, <a href="https://githu... | <python><python-3.x><caching><joblib> | 2024-09-11 16:18:51 | 0 | 5,777 | skm |
78,974,468 | 865,220 | scipy smoothening issue with zero values in window | <p>I have a pandas dataframe like this:</p>
<pre><code>1960-09-01 24027064 4503904.333
1960-10-01 18020298 3377928.25
1960-11-01 12013532 2251952.167
1960-12-01 6006766 1125976.083
1961-01-01 0 0
1961-02-01 0 0
1961-03-01 0 0
1961-04-01 0 0
1961-05-01 0 0
1961-06-01 0 0
1961-07-01 0 ... | <python><pandas><scipy> | 2024-09-11 14:55:17 | 1 | 18,382 | ishandutta2007 |
78,974,451 | 9,177,877 | How to map scores from one table to another when the cell contains operators | <p>I performed OLS regression on a dataset and I have the predicted <code>Diagnostic_Score</code> but the mapping table (<code>norms</code>) can have two operators - e.g. <code>>=</code> and <code><=</code>. Is there a way to map the predicted score to the percentile?</p>
<p>My first thought was to map the scores... | <python><pandas> | 2024-09-11 14:52:32 | 2 | 14,163 | It_is_Chris |
78,974,386 | 5,269,892 | Pandas avoid element-wise NaN check for lists | <p>I have a dataframe with columns containing both single NaNs, as well as lists which may contain NaN elements. Example:</p>
<pre><code>df = pd.DataFrame({'A': [[1, 2, 3], np.nan, [7, np.nan, np.nan], [4, 5, 6]]})
</code></pre>
<p>I want to check whether the cell values are single NaNs. The expected result of <code>[F... | <python><pandas><nan> | 2024-09-11 14:40:44 | 1 | 1,314 | silence_of_the_lambdas |
78,974,328 | 9,401,990 | How to install latest Python patch on older versions? | <p>I've had a look online and can't figure out how to install the latest patch on an older version of Python.</p>
<p>I'm on Windows, with no admin rights. I want to upgrade 3.10.1 to 3.10.15, without losing any of my installed libraries (like pandas). I don't want to upgrade to the latest minor version (3.12.x).</p>
<p... | <python><windows> | 2024-09-11 14:26:03 | 0 | 1,408 | Theo F |
78,974,282 | 13,570,788 | Why is sys.stdout adjustment needed to print Unicode in Python? | <p>I scraped some data from the web using: <br></p>
<pre><code>import requests
from bs4 import BeautifulSoup
def get_lines_from_url(url):
response = requests.get(url)
if response.status_code == 200:
soup = BeautifulSoup(response.text, 'html.parser')
lines = soup.get_text("\n").strip... | <python><web-scraping><beautifulsoup><unicode><codec> | 2024-09-11 14:15:13 | 0 | 485 | Kun.tito |
78,974,186 | 11,092,636 | Sphere Online Judge (SPOJ) Python input handling broken? | <p>I'm fairly familiar with input handling in Competitive Programming settings, but I can't make it work in Python for this problem (<a href="https://www.spoj.com/problems/MINDIST/" rel="nofollow noreferrer">https://www.spoj.com/problems/MINDIST/</a>) (my solution works in C++ so the problem in itself is not broken). W... | <python><stdin> | 2024-09-11 13:53:37 | 1 | 720 | FluidMechanics Potential Flows |
78,974,149 | 10,425,150 | Alternative to fillna(method='pad', inplace=True) to avoid FutureWarning | <p>I would like to fill NA/NaN values with the last valid option.</p>
<p><strong>My code:</strong></p>
<pre><code>import pandas as pd
import numpy as np
df = pd.DataFrame({"Col1":["A", np.nan, 1, np.nan],
"Col2":["B", np.nan, "C", np.nan]})
df.fillna... | <python><pandas><dataframe><fillna> | 2024-09-11 13:45:30 | 1 | 1,051 | GΠΎΠΎd_MΠ°n |
78,974,111 | 534,238 | What windowing constraints are needed when combining two streams in Apache Beam [Dataflow]? | <p>I have an ETL flow where I need to combine two Pub/Sub messages on a key and write these into BigQuery. One of the message types is the parent; I am working on payment processing, and this is an order or a payment, for example. The other is the child; this is an update to the payment ("Authorized", "P... | <python><google-cloud-dataflow><apache-beam> | 2024-09-11 13:36:27 | 1 | 3,558 | Mike Williamson |
78,974,009 | 2,287,458 | Polars pl.col(field).name.map_fields applies to all struct columns (not the one specified) | <p>I have this code:</p>
<pre class="lang-py prettyprint-override"><code>import polars as pl
cols = ['Delta', 'Qty']
metrics = {'CHECK.US': {'Delta': {'ABC': 1, 'DEF': 2}, 'Qty': {'GHIJ': 3, 'TT': 4}},
'CHECK.NA': {},
'CHECK.FR': {'Delta': {'QQQ': 7, 'ABC': 6}, 'Qty': {'SS': 9, 'TT': 5}}
... | <python><dataframe><python-polars> | 2024-09-11 13:17:40 | 1 | 3,591 | Phil-ZXX |
78,973,872 | 536,262 | plotly scatterplot on top of annotation | <p>Any way to get an annotation below/under a scatter plot, so that the scatter-points show on top of the annotation text/link?</p>
<p>I tried with <code>zorder=100</code> in <code>scatter</code>, but there is no <code>zorder</code> in <code>add_annotation()</code></p>
<p>Below are the annotation and the scatter settin... | <python><plotly> | 2024-09-11 12:49:54 | 1 | 3,731 | MortenB |
78,973,639 | 3,879,857 | Python pydantic validation of subclasses | <p>I'm trying to use <code>pydantic</code> together with <code>ABC</code>. I created a base class <code>Datasource</code> and four subclasses:</p>
<pre><code>from pydantic import BaseModel
from typing import Literal, Union, TypeVar
from devtools import debug
from abc import ABC, abstractmethod
class Datasource(ABC, B... | <python><subclass><pydantic><type-variables> | 2024-09-11 11:51:09 | 0 | 887 | MaPo |
78,973,619 | 9,448,637 | How can I stop pandas from plotting weekend dates for 5T frequency data when there is no weekend data? | <p>I have the following 5-minute frequency time series data for weekdays only:</p>
<pre><code>start_date = '2024-09-06 00:00:00'
end_date = '2024-09-10 00:00:00'
dt_index = pd.date_range(start=start_date, end=end_date, freq='5T')
dt_index = dt_index[dt_index.weekday < 5] # remove weekend days
data = np.random.randn... | <python><pandas><matplotlib><datetime> | 2024-09-11 11:46:10 | 1 | 641 | footfalcon |
78,973,374 | 1,348,691 | transfomers runtimeError `No module named 'keras.__internal__` | <p>I have these installed:</p>
<pre><code>keras 3.5.0
tensorflow 2.17.0
tensorflow-intel 2.17.0
tensorflow-io-gcs-filesystem 0.31.0
torch 2.2.2
</code></pre>
<p>And transformers results an error:</p>
<pre><code>from transformers import pip... | <python><pytorch><tf.keras> | 2024-09-11 10:43:03 | 0 | 4,869 | Tiina |
78,973,371 | 1,103,752 | How to prevent `pip install` resulting in duplicate code? | <p>I am working on a library with some others. Our git repo (called <code>modulename</code>) looks like this</p>
<pre><code>modulename/
src_file_1.py
src_file_2.py
tests/
...
.../
</code></pre>
<p>The instructions are to clone this somewhere in home, so I now have</p>
<pre><code>~/
modulename/
modulename/
... | <python><pip><python-module> | 2024-09-11 10:42:22 | 1 | 5,737 | ACarter |
78,973,154 | 9,663,207 | How do I create a Python API client which executes *some* methods asynchronously in the background? | <p>I have this (example) REST API client:</p>
<pre class="lang-py prettyprint-override"><code>import requests
class FakeHttpClient:
base_url = "https://api.example.com"
def __init__(self) -> None:
self.session = requests.Session()
def get_user_info(self, user_id: str) -> dict:
... | <python><asynchronous><python-requests><aiohttp> | 2024-09-11 09:57:02 | 2 | 724 | g_t_m |
78,973,117 | 5,790,653 | How to check if a subject is not in the all_subjects of emails | <p>I have a list of email subjects which were sent today (I connect to my IMAP server, and fetch all emails):</p>
<pre class="lang-py prettyprint-override"><code>sent_subjects = [
'subject1 backup up completed', 'subject2-2 backup failed', 'subject4 backup partial complete', 'email3 done', 'ak47 failed', 'mp5 is go... | <python><json><imap> | 2024-09-11 09:52:08 | 1 | 4,175 | Saeed |
78,973,039 | 10,377,244 | Efficiently generate user history with negative sampling for recommendation system using Polars API | <p>Iβm working on a recommendation system, and I need to efficiently generate user history with negative sampling using the Polars API. I have two datasets:</p>
<ol>
<li>User-Article Interactions:
β’ This dataset contains the user_id and the article_id of articles that the user has read.
Example:</li>
</ol>
<pre class... | <python><python-polars> | 2024-09-11 09:35:11 | 1 | 1,127 | MPA |
78,973,036 | 5,688,247 | Read csv without filling up empty values | <p>I have the following csv I want to read into Python (Spyder) and count the amount of blank values in column 2:</p>
<div class="s-table-container"><table class="s-table">
<thead>
<tr>
<th>column 1</th>
<th>column 2</th>
</tr>
</thead>
<tbody>
<tr>
<td>A</td>
<td>N/A</td>
</tr>
<tr>
<td>B</td>
<td>N/A</td>
</tr>
<tr>
... | <python><pandas><read-csv> | 2024-09-11 09:34:56 | 1 | 863 | Jellyse |
78,972,997 | 1,581,090 | How to use "threading" in python in an unblocking way? | <p>I have a complete "working" python code which is supposed to contain two threads which run simultaneously, which populate some lists in a dict, and when the user presses CRTL-C these two threads should be stopped and some output from both threads should be written to a file:</p>
<pre><code>import sys
impor... | <python><multithreading> | 2024-09-11 09:26:49 | 1 | 45,023 | Alex |
78,972,996 | 3,414,626 | AWS Python Lambda - Package Size & Cold Starts | <p>I was wondering whether someone here shared the same experience.</p>
<ul>
<li>I have a Python Lambda which runs some βsimpleβ requests for recommending images based on a vector database (qdrant). The package itself already has a size of 65MB (e.g. qdrant client and firebase).</li>
<li>Although I turned on provision... | <python><amazon-web-services><aws-lambda><cold-start> | 2024-09-11 09:26:48 | 1 | 552 | Richard |
78,972,680 | 4,451,315 | pyarrow chunkedarray get items at given indices | <p>Say I have</p>
<pre class="lang-py prettyprint-override"><code>In [3]: import pyarrow as pa
In [4]: ca = pa.chunked_array([[1,2,3], [4,5,6]])
</code></pre>
<p>I'd like to extract elements <code>[1, 4, 2]</code> and end up with</p>
<pre><code><pyarrow.lib.Int64Array object at 0x7f6eb43c2d40>
[
2,
5,
3
]
... | <python><pyarrow> | 2024-09-11 08:07:12 | 1 | 11,062 | ignoring_gravity |
78,972,636 | 1,254,515 | How to directly get the output of subprocess.check_output as valid json rather than reading the results stored in a file? | <p>I have a system command which produces json output: (<code>$ cmd -J > file</code>).
I can read this data perfectly well into a dict using:</p>
<pre><code>with open("file", "r") as i:
data=json.loads(i)
</code></pre>
<p>I'd like to do the same thing without the intermediary file, directly g... | <python><json><python-3.x><subprocess> | 2024-09-11 07:58:25 | 1 | 323 | Oliver Henriot |
78,972,427 | 3,555,115 | Extract float values from string in Python | <p>I have a line as below and I need to extra the float values for SW A_done: and SW B_done:.</p>
<pre><code>line = SW A_done: 191168 SW B_done: 27720
</code></pre>
<p>I tried line.split(' ' ), and then look for value after A_done: but it seems to show lot of null values when SW A_done value is 0 and is not alwa... | <python> | 2024-09-11 06:59:38 | 0 | 750 | user3555115 |
78,972,393 | 3,405,291 | Download location of Pytorch | <h1>Download fail</h1>
<p>I'm running this Python code:</p>
<p><a href="https://github.com/SimonGiebenhain/MonoNPHM/blob/05aafd8e7dbe3168bee7d5f93f47537acb877df3/scripts/preprocessing/run_facer.py#L153" rel="nofollow noreferrer">https://github.com/SimonGiebenhain/MonoNPHM/blob/05aafd8e7dbe3168bee7d5f93f47537acb877df3/s... | <python><pytorch> | 2024-09-11 06:52:07 | 1 | 8,185 | Megidd |
78,972,381 | 5,197,329 | read nested json inside csv file using pandas? | <p>I have a csv file that with rows that looks like this:</p>
<pre><code>745198;2024-09-10 10:09:10.7;leaf-2;{"Accelerometer": {"X": 0.055297852, "Y": 0.993530273, "Z": 0.000244141}}
745199;2024-09-10 10:09:10.71;leaf-2;{"Accelerometer": {"X": 0.056274414, &qu... | <python><json><pandas><csv> | 2024-09-11 06:49:41 | 2 | 546 | Tue |
78,972,238 | 4,851,073 | Celery tasks with psycopg: ProgrammingError the last operation didn't produce a result | <p>I'm working on aproject in which I have</p>
<ol>
<li>A PostgreSQL 16.2 database</li>
<li>A Python 3.12 backend using psycopg 3.2.1 and psycopg_pool 3.2.2.</li>
<li>Celery for handling asynchronous tasks.</li>
</ol>
<p>The celery tasks uses the database pool through the following code:</p>
<pre class="lang-py prettyp... | <python><postgresql><celery><psycopg3> | 2024-09-11 06:01:38 | 1 | 810 | Javierd98 |
78,972,160 | 604,128 | Flask routing and connexion | <p>I have a flask application where I would like to add Connexion to validate my api endpoints. All api is bundled in a blueprint.</p>
<p>My issue is that Connexion wants to control the routing. Either via connectionid in the OpenApi spec, which I find leaks implementation detail into a specification, or via a class sy... | <python><flask><connexion> | 2024-09-11 05:29:24 | 1 | 512 | Peer Sommerlund |
78,972,135 | 1,795,641 | How to access key and value from redis using RedisJSON module in python | <p>I have records stored like below in the Redis.</p>
<pre><code>βmonitor':{'105894288': {'status': 'Screen', 'release': '23.4.5'},
'106521147': {'status': 'Screen', 'release': '23.4.5'},
'106521148': {'status': 'Screen', 'release': '23.4.5'},
'106521149': {'status': 'Screen', 'release': '23.4.6'}
}
</code></pre>
<p... | <python><redis><redisjson> | 2024-09-11 05:16:47 | 1 | 856 | smm |
78,972,060 | 24,758,287 | How to extract values based on column names and put it in another column in polars? | <p>I would like to fill a value in a column based on another columns' name, in the Polars library from python (I obtained the following DF by exploding my variables' column names):</p>
<p>Input:</p>
<pre class="lang-py prettyprint-override"><code>df = pl.from_repr("""
ββββββββββ¬ββββββββββ¬βββββββββ¬ββββββ¬β... | <python><python-polars><exploded> | 2024-09-11 04:30:00 | 5 | 301 | user24758287 |
78,972,018 | 15,412,256 | Polars Replacing Values of Other groups to the Values of a Certain Group | <p>I have the following <code>Polars.DataFrame</code>:</p>
<pre class="lang-py prettyprint-override"><code>df = pl.DataFrame(
{
"timestamp": [1, 2, 3, 1, 2, 3],
"var1": [1, 2, 3, 3, 4, 5],
"group": ["a", "a", "a", "b", &q... | <python><python-polars> | 2024-09-11 04:03:03 | 2 | 649 | Kevin Li |
78,971,821 | 5,957,353 | Different Starting Indices for Iterating over Large Files | <p>I want to begin by saying I have NOT programmed in many, many years, so sorry if this is a somewhat trivial question. My interest has been mathematics for the last couple of years</p>
<p>Here's my code:</p>
<pre><code>lastStop = False
with open('K3.txt','r') as K3:
with open('K4.txt','a') as K4:
for tri... | <python><for-loop><large-files><pythonista> | 2024-09-11 02:07:34 | 1 | 791 | wyboo |
78,971,796 | 3,325,401 | How to use Hatch to run Python CLI | <p>I'm trying to work through a pretty basic "hello world" type of example to setup a Python CLI using the Hatch build system (which I understand uses the Click library under the hood).</p>
<p>I've got a minimally reproducible example below, and the error I'm running into appears below the following code snip... | <python><command-line-interface><hatch> | 2024-09-11 01:50:23 | 1 | 2,767 | hobscrk777 |
78,971,681 | 3,486,684 | How can I import Polars type definitions like `JoinStrategy`? | <p><code>JoinStrategy</code> is an input to <code>join</code>: <a href="https://docs.pola.rs/api/python/stable/reference/dataframe/api/polars.DataFrame.join.html" rel="nofollow noreferrer">https://docs.pola.rs/api/python/stable/reference/dataframe/api/polars.DataFrame.join.html</a></p>
<p>My static type checking tool s... | <python><python-polars> | 2024-09-11 00:23:31 | 1 | 4,654 | bzm3r |
78,971,666 | 2,612,259 | Why does Pylance not complain about missing members of a Protocol? | <p>I am using Pylance with vscode and have set the type checking mode to 'strict'</p>
<p>My understanding is that Pylance should flag Bar as not conforming to the Foo Protocol because of the commented foo method in Bar, but it does not.</p>
<p>I if uncomment the line it does correctly complain that 'Method "foo&qu... | <python><python-typing><pyright> | 2024-09-11 00:11:31 | 2 | 16,822 | nPn |
78,971,520 | 8,652,920 | How to disconnect from socket after connecting using socket.socket.connect_ex? | <p>I was following the instructions from this answer on how to check network ports in python: <a href="https://stackoverflow.com/a/19196218/8652920">https://stackoverflow.com/a/19196218/8652920</a></p>
<p>for posterity I'll just repost it</p>
<pre class="lang-py prettyprint-override"><code>import socket
sock = socket.s... | <python><python-3.x><sockets><port> | 2024-09-10 22:37:24 | 0 | 4,239 | notacorn |
78,971,477 | 14,684,366 | Transform a list of dictionaries, based on key list | <p>In Python 3.9, I have a list of dictionaries:</p>
<pre><code>variables = [
{'id': ['alpha'], 'ip': '10.10.10.10', 'name': 'primary'},
{'id': ['beta', 'gamma'], 'ip': '10.10.10.20', 'name': 'secondary'}
]
</code></pre>
<p>My goal is to transform it into this dictionary format:</p>
<pre><code>result = {
'a... | <python><dictionary> | 2024-09-10 22:15:31 | 2 | 591 | Floren |
78,971,452 | 10,471,715 | Why Do Two Similar Code Snippets Yield Different Results for Symbolic Equations? | <p>I am calculating (what seems to me) the same thing in two ways but am getting different results. I'd appreciate any help in understanding the reason behind this.</p>
<p>I have a list of symbolic equations, each defined as:</p>
<p>a<sub>1</sub> * x<sub>1</sub> + a<sub>2</sub> * x<sub>2</sub> + ... + a<sub>30</sub> * ... | <python><math><sympy><symlink><equation-solving> | 2024-09-10 21:59:56 | 1 | 504 | Hamid Reza |
78,971,412 | 7,700,802 | How to measure new change in data | <p>Suppose you have this dataframe</p>
<pre><code>d = {'date':['2019-08-25', '2019-09-01', '2019-09-08'],
'data':[31, 31, 31]}
df_sample = pd.DataFrame(data=d)
df_sample.head()
</code></pre>
<p>and you want to measure how much new data comes in on average each week. For example, we had 31 new rows on 8/25 and then ... | <python><pandas> | 2024-09-10 21:40:12 | 1 | 480 | Wolfy |
78,971,305 | 3,050,730 | How can I optimize the performance of this numpy function | <p>Is there any way optimizing the performance speed of this function?</p>
<pre class="lang-py prettyprint-override"><code>def func(X):
n, p = X.shape
R = np.eye(p)
delta = 0.0
for i in range(100):
delta_old = delta
Y = X @ R
alpha = 1. / n
Y2 = Y**2
Y3 = Y2 * Y
... | <python><numpy><performance><optimization><numba> | 2024-09-10 20:49:57 | 1 | 523 | nicrie |
78,971,143 | 51,816 | How to draw grid planes uniformly using matplotlib? | <p>Basically I have this code:</p>
<pre><code>import matplotlib.pyplot as plt
import numpy as np
from itertools import product, combinations
fig = plt.figure()
ax = fig.add_subplot(1,1,1,projection='3d')
</code></pre>
<p>but that gets me this result:</p>
<p><a href="https://i.sstatic.net/bZtvGNeU.png" rel="nofollow no... | <python><matplotlib><matplotlib-3d> | 2024-09-10 19:57:12 | 1 | 333,709 | Joan Venge |
78,970,926 | 850,781 | Multi-dimensional scipy.optimize.LinearConstraint? | <p>My linear constraint for <a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.minimize.html" rel="nofollow noreferrer"><code>scipy.optimize.minimize</code></a> is</p>
<pre><code>ones = np.ones_like(x)
np.outer(x, ones) - np.outer(ones, x) > something
</code></pre>
<p>where <code>something<... | <python><numpy><scipy><scipy-optimize> | 2024-09-10 18:52:40 | 2 | 60,468 | sds |
78,970,691 | 22,407,544 | Is it possible to pause celery tasks during execution | <p>I have an app that does transcription. I want that if the user tries to reload they are alerted that reloading will stop their task from completing. I tried to use it with <code>unload</code> but it didn't work most of the time and I know that it is inconsistent. I would like to pause the task if the user tries to r... | <javascript><python><django><celery> | 2024-09-10 17:40:39 | 0 | 359 | tthheemmaannii |
78,970,689 | 3,417,179 | Gekko : Error in Resource Optimisation problem | <p>I am working on a optimisation problem and I am using Gekko to solve it. Consider the scenario where there are 2 machines and 5 users and each machines has 2 resources to distribute to users. The user gain some points based on the number of resource allocated. Also there are certain demands from the user before reso... | <python><linear-programming><nonlinear-optimization><gekko><mixed-integer-programming> | 2024-09-10 17:38:58 | 1 | 1,516 | Alok |
78,970,536 | 4,451,315 | pyarrow chunkedarray set at indices | <p>Say I have</p>
<pre class="lang-py prettyprint-override"><code>In [1]: import pyarrow as ap
In [2]: import pyarrow as pa
In [3]: ca = pa.chunked_array([[1,2,3], [4,5,6]])
In [4]: ca
Out[4]:
<pyarrow.lib.ChunkedArray object at 0x7f7afaaa4a90>
[
[
1,
2,
3
],
[
4,
5,
6
]
]
</cod... | <python><pyarrow> | 2024-09-10 16:52:08 | 2 | 11,062 | ignoring_gravity |
78,970,400 | 3,486,684 | Using Polars, how do I do efficiently do an `over` that collects items into a list? | <p>As a simple example, consider the following, using <code>groupby</code>:</p>
<pre class="lang-py prettyprint-override"><code>import polars as pl
df = pl.DataFrame(
[pl.Series("id", ["a", "b", "a"]), pl.Series("x", [0, 1, 2])]
)
print(df.group_by("id").... | <python><dataframe><python-polars> | 2024-09-10 16:16:29 | 1 | 4,654 | bzm3r |
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