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2022-12-10 09:42:47
2025-11-01 19:08:18
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78,183,198
13,944,524
What is the benefit of using import X as X?
<p>I know what <code>as</code> keyword does in import statement, we use it to give an object <em>a different</em> name in the module's namespace. It can be its simplified name(like <code>np</code> for numpy) or completely different name that avoids clashes with other names present in the module.</p> <p>But, I've seen m...
<python><python-import>
2024-03-18 21:54:13
0
17,004
S.B
78,183,138
4,999,991
Visual Studio Code Not Recognizing findent Installation for Modern Fortran Extension Despite Correct Python Interpreter and PATH Configuration
<p>I am working with the <a href="https://marketplace.visualstudio.com/items?itemName=fortran-lang.linter-gfortran" rel="nofollow noreferrer">Modern Fortran extension</a> in Visual Studio Code on Windows and keep encountering a persistent issue. Despite having correctly installed <code>findent</code>, <code>fortran-lan...
<python><visual-studio-code><pip><environment-variables><fortran>
2024-03-18 21:38:21
1
14,347
Foad S. Farimani
78,183,125
1,174,102
Scrolling causes click (on_touch_up) event on widgets in Kivy RecycleView
<p>Why does scrolling call <code>on_touch_up()</code> in widgets in this Kivy RecycleView?</p> <p>I created a custom <a href="https://kivy.org/doc/stable/api-kivy.uix.settings.html#kivy.uix.settings.SettingItem" rel="nofollow noreferrer">SettingItem</a> for use in Kivy's <a href="https://kivy.org/doc/stable/api-kivy.ui...
<python><android-recyclerview><scroll><kivy><click>
2024-03-18 21:36:56
1
2,923
Michael Altfield
78,183,052
1,028,270
How do I set environment variables in a pytest fixture with the MonkeyPatch context manager?
<p>I'm not using classes or test cases I'm just using pytest functions (want to keep it that way).</p> <p>This does not work:</p> <pre><code>@pytest.fixture(scope=&quot;function&quot;) def set_env(): with MonkeyPatch.context() as mp: mp.setenv(&quot;VAR_ONE&quot;, &quot;123&quot;) mp.setenv(&quot;VA...
<python><pytest>
2024-03-18 21:15:38
1
32,280
red888
78,183,024
11,670,196
How to solve RuntimeError: Couldn't find appropriate backend to handle uri dataset/data/0.wav and format None
<p>The Problem is if I try to run <code>metadata = torchaudio.info(path)</code> I get the error message <code>RuntimeError: Couldn't find appropriate backend to handle uri dataset/data/0.wav and format None.</code> And if I run <code>print(str(torchaudio.list_audio_backends()))</code> it returns an empty list</p> <p>I ...
<python><pytorch><sox><libsox>
2024-03-18 21:09:29
1
383
Tobias
78,183,014
3,124,181
Can I use Azure DocumentAnalysisClient with no credentials?
<p>I am trying to use azure's document analysis client but I don't use credentials for my form recognizer. I can make a simple request call to it and it works fine, like so:</p> <pre><code>import requests my_endpoint = &quot;http://form_recognizer...?api-version=2022-08-31&quot; data = &quot;some data&quot; params = &q...
<python><azure-form-recognizer>
2024-03-18 21:06:20
1
903
user3124181
78,182,894
6,769,082
get the name of the group inside pandas groupby transform
<p>Here is what I am trying to do. I have the following DataFrame in pandas:</p> <pre><code>import numpy as np import pandas as pd n_cols = 3 n_samples = 4 df = pd.DataFrame(np.arange(n_samples * n_cols).reshape(n_samples, n_cols), columns=list('ABC')) print(df) </code></pre> <p>output:</p> <pre><code> A B C 0 ...
<python><pandas><dataframe><group-by>
2024-03-18 20:37:08
2
481
Chachni
78,182,856
6,115,999
How do I add to a particular column in an association table in Flask?
<p>I have a table called SetList which are setlists that a user may have. I want users to put songs in the setlist. It's a many to many relationship so here is my SetList class:</p> <pre><code>class SetList(db.Model, UserMixin): id = db.Column(db.Integer, primary_key = True) name = db. Column(db.String(75), n...
<python><flask><flask-sqlalchemy>
2024-03-18 20:29:39
0
877
filifunk
78,182,788
547,231
How to generate jacobian of a tensor-valued function using torch.autograd?
<p>Computing the jacobian of a function f : R^d -&gt; R^d is not too hard:</p> <pre><code>def jacobian(y, x): k, d = x.shape jacobian = list() for i in range(d): v = torch.zeros_like(y) v[:, i] = 1. dy_dx = torch.autograd.grad(y, x, grad_outputs = v, retain_graph = True, create_...
<python><pytorch><autograd><automatic-differentiation>
2024-03-18 20:11:24
1
18,343
0xbadf00d
78,182,726
2,188,011
Saving yolo Model Result as String
<p>I have a model, <code>best.pt</code>, that I'd like to run. It takes an image as input. It classifies an object in this image, a fruit.</p> <pre><code>from PIL import Image from ultralytics import YOLO # Load the pre-trained model model = YOLO('best.pt') # Load the input image input_image = Image.open('fruit.jpeg')...
<python><yolo><ultralytics>
2024-03-18 19:55:45
1
1,293
Fares K. A.
78,182,723
6,197,439
Does _memimporter still exist in py2exe?
<p>I have only recently started with py2exe, and I would like to use py2exe with MINGW64 Python3 programs (and corresponding libraries). However, the first example I tried failed to build.</p> <p>After that, I found the <a href="https://www.py2exe.org/index.cgi/TroubleshootingImportErrors" rel="nofollow noreferrer">htt...
<python><python-3.x><py2exe><mingw-w64>
2024-03-18 19:55:29
1
5,938
sdbbs
78,182,561
921,527
Minimum cases of n choose k with respect of n choose q
<p>I have a list</p> <pre><code>people = ['P1', 'P2', 'P3', 'P4', 'P5', 'P6', 'P7'] allComb4 = list(itertools.combinations(people,4)) # n choose k #[('P1', 'P2', 'P3', 'P4'), ('P1', 'P2', 'P3', 'P5'), ('P1', 'P2', 'P3', 'P6'), ('P1', 'P2', 'P3', 'P7'), ('P1', 'P2', 'P4', 'P5'), ('P1', 'P2', 'P4', 'P6'), ('P1', 'P2', '...
<python><python-itertools><combinatorics><set-cover>
2024-03-18 19:16:04
2
509
Ciprian
78,182,306
14,923,149
Extracting NCBI RefSeq and Submitted GenBank assembly accession numbers using Selenium and BeautifulSoup
<p><a href="https://stackoverflow.com/questions/78178650/title-difficulty-extracting-genbank-accession-number-using-species-and-strain-n/78179474#78179474">Title: Difficulty Extracting GenBank Accession Number Using Species and Strain Name, using webscraping (Using BeautifulSoup or Selenium)</a> Following this post, I'...
<python><selenium-webdriver><beautifulsoup><biopython>
2024-03-18 18:21:42
1
504
Umar
78,182,041
400,691
How to create a context manager which is NOT a decorator?
<p>I have a function which looks something like this:</p> <pre class="lang-py prettyprint-override"><code>import contextlib @contextlib.contextmanager def special_context(...): ... yield ... </code></pre> <p>It is appropriate for this to be used as a context manager, like this:</p> <pre class="lang-py pret...
<python><python-decorators>
2024-03-18 17:34:18
3
9,184
meshy
78,181,866
2,188,011
Simple Torch Model Test: ModuleNotFoundError: No module named 'ultralytics.yolo'
<p>I have a model, <code>best.pt</code>, that I'd like to run. It takes an image as input, and outputs a string.</p> <p>I have <code>ultralytics</code>, <code>torch</code> and <code>torchvision</code> installed.</p> <p>My code is simple:</p> <pre><code>import torch from PIL import Image # Load the pre-trained model mo...
<python><pytorch><yolov5><ultralytics>
2024-03-18 17:04:49
1
1,293
Fares K. A.
78,181,822
11,235,680
Return Parent Child json serialized object with SQLAlchemy - lazy loading issue
<p>I'm trying to use a generic query to select a parent class with all its children classes.</p> <p>The query looks like this:</p> <pre><code>def get_data(session: Session, table, data_filter): try: data = session.query(table).filter_by(**data_filter).first() return data except SQLAlchemyError as e: raise e...
<python><sqlalchemy><fastapi>
2024-03-18 16:57:47
1
316
Bouji
78,181,726
13,176,726
Django Admin "Export selected" button not showing in Django Admin
<p>I'm trying to enable the &quot;Export selected&quot; button in the Django admin for users to download data as an Excel sheet. I'm using django-import-export but the button isn't appearing.</p> <p><em><strong>Here's what I've done:</strong></em> Installed django-import-export (pip install django-import-export).</p> <...
<python><django><django-import-export>
2024-03-18 16:42:01
1
982
A_K
78,181,708
181,783
Coverage of process spawned by pytest
<p>I am trying to get coverage on a Python process spawned by pytest. Here are the steps I took:</p> <ol> <li>Create a sitecustomize.py module in my local site packages directory</li> </ol> <pre class="lang-py prettyprint-override"><code>#/home/Olumide/.local/lib/python3.10/site-packages/sitecustomize.py import coverag...
<python><pytest><coverage.py>
2024-03-18 16:38:58
1
5,905
Olumide
78,181,604
11,628,437
How to subtract pandas columns for specific groups in a multi-index dataframe?
<p>I'd like to subtract the average row of every group with it's corresponding sub_column. This implies I need to difference the <code>Dribbling_Speed_Team_Blue</code> with <code>Dribbling_Speed</code> corresponding to <code>Best Player Statistics</code> Therefore, the final row (<code>Difference</code>) will have the ...
<python><pandas>
2024-03-18 16:21:45
1
1,851
desert_ranger
78,181,518
6,151,828
Does scikit-learn train_test_split copy data?
<p>Does the <a href="https://scikit-learn.org/stable/modules/generated/sklearn.model_selection.train_test_split.html" rel="nofollow noreferrer"><code>train_test_split</code></a> method of scikit-learn duplicate the data? In other words, if I work with a large dataset, <code>X, y</code>, does it mean that after performi...
<python><machine-learning><scikit-learn><training-data>
2024-03-18 16:08:22
0
803
Roger V.
78,181,494
6,195,489
Pandas read_csv works but pyarrow doesnt
<p>I have a csv file, which is tab separated. The following code:</p> <pre><code>import numpy as np import sys import pyarrow.csv as pa_csv import pandas as pd df = pd.read_csv(sys.argv[1],sep='\t',header=0,dtype='object') parse_options = pa_csv.ParseOptions(delimiter='\t') data = pa_csv.read_csv(sys.argv[1], parse_op...
<python><pandas><csv><pyarrow>
2024-03-18 16:05:12
0
849
abinitio
78,181,458
10,908,375
How do I get the rolling proportion between multiple columns?
<p>For every row, I want to have a proportion of the total values (sales). For instance, for some row, we would take the total of the 2 past values of two columns, and compute the proportion of each column.</p> <p>Let's say we have the following dataset:</p> <pre><code>import pandas as pd df = pd.DataFrame({ 'fact...
<python><pandas>
2024-03-18 16:00:01
2
36,924
Nicolas Gervais
78,181,389
8,684,461
getting tickers from interactive brokers using post requests
<p>Hi All for some reason interactive brokers don't make it easily accessible to get tickers from their site. I currently get them via their exchange pages using a normal request query. However, this is becoming a bit less reliable. I am trying to implement a imitation of their product search <a href="https://www.inter...
<python><web-scraping><post><python-requests>
2024-03-18 15:50:07
1
789
JPWilson
78,181,354
4,784,914
Define relationship through double belongs-to-many in SQLAlchemy
<p>I have three tables: <code>Item</code>, <code>Shelve</code> and <code>Cabinet</code>.</p> <p>A <code>Cabinet</code> has-many <code>Shelve</code>s and a <code>Shelve</code> has-many <code>Item</code>s:</p> <pre><code>Item id: int shelve_id: int Shelve id: int cabinet_id: int Cabinet: id: id </co...
<python><sqlalchemy>
2024-03-18 15:43:52
1
1,123
Roberto
78,181,346
5,618,856
FastAPI in docker - module not found error from main
<p>I have a (locally) working fastAPI-app. Now I intend to bring it to docker. I followed the instruction as <a href="https://fastapi.tiangolo.com/deployment/docker/" rel="nofollow noreferrer">in the docs</a>. When starting up the container it stops. The log tells</p> <pre><code> File &quot;/code/./app/main.py&quot;, ...
<python><docker><fastapi>
2024-03-18 15:42:47
1
603
Fred
78,181,094
172,131
Change record title in a StackedInline in Django
<p>I am trying to either change or remove the title for each record in an inline, but have not been able to find a way to do it in the docs or by override get_formset. Specifically, I want to change or remove the title highlighted in the attached image. Any ideas how to do it please? Preferably without overriding CSS e...
<python><django><django-forms>
2024-03-18 15:01:36
1
20,218
RunLoop
78,180,968
7,456,923
Can I force array numpy to keep its uint32 type?
<p>I would like to reproduce C behavior in Python, presumably using numpy, but I'm running into this issue :</p> <pre><code>&gt;&gt;&gt; import numpy &gt;&gt;&gt; a = numpy.uint32(4294967295) &gt;&gt;&gt; type(a) &lt;class 'numpy.uint32'&gt; &gt;&gt;&gt; a += 1 &gt;&gt;&gt; a 4294967296 &gt;&gt;&gt; type(a) &lt;class '...
<python><numpy><uint32>
2024-03-18 14:37:02
1
6,220
gdelab
78,180,950
7,456,923
Does numpy exactly reproduce all C behaviors on usual operations?
<p>I'm designing an algorithm in python and know I'll want to translate it to C later.</p> <p>However, mathematical operations in Python might not yield the same result as in C, for instance <code>4294967295 + 1 = 0</code> in C for unsigned integers, but not with plain Python integers operations. Therefore, I should no...
<python><c><numpy>
2024-03-18 14:33:34
1
6,220
gdelab
78,180,814
5,344,240
Decorating an instance method of a class with a decorating function
<p>I am using Python 3.10. Consider this toy example of a cache that caches the very first call to an instance method and then returns the cached value on subsequent calls:</p> <pre><code>import functools def cache(func): @functools.wraps(func) # for __name__ def wrapper(*args, **kwargs): if not wrapp...
<python><python-decorators>
2024-03-18 14:10:48
2
455
Andras Vanyolos
78,180,808
7,352,883
How to collect performance trace via CDP commands through Selenium Python?
<p>I want to collect Chrome Profiler trace dump via Selenium - Python similar to <a href="https://zchandikaz.medium.com/start-chrome-profile-recording-from-selenium-java-a2fee0351396" rel="nofollow noreferrer">this approach in JAVA</a></p> <p>Appropriate <a href="https://chromedevtools.github.io/devtools-protocol/tot/T...
<python><selenium-webdriver>
2024-03-18 14:10:30
1
1,449
Shivam Mishra
78,180,770
5,725,780
What's the function object alternative to 1D linear interpolation with SciPy/NumPy?
<p>I'm looking for a way to create a &quot;functor&quot; for linear interpolation of time,value pairs using SciPy (or NumPy) but according to the <a href="https://docs.scipy.org/doc/scipy/tutorial/interpolate.html" rel="nofollow noreferrer">SciPy tutorial</a> there is none! (Kind of the opposite of <a href="https://sta...
<python><numpy><scipy><linear-interpolation>
2024-03-18 14:04:08
2
721
pipe
78,180,518
1,422,096
Grammar for combinations of Numpy arrays
<p>For a specific application, I do a GUI to manipulate some data (internally: numpy 1D arrays), and plot them.</p> <p>The end-user can choose in the UI to plot various series <code>a</code>, <code>b</code>, <code>c</code>.</p> <p>Now I also need to allow a <strong>&quot;custom combination&quot; of <code>a</code>, <cod...
<python><numpy><eval><grammar>
2024-03-18 13:21:24
1
47,388
Basj
78,180,508
19,499,853
Transform Postgres recursive query to Python Pandas Dataframe
<p>I've got recursion, which is written in Postgresql database.</p> <pre><code>with recursive relations_recurs( pos_id, boss_pos_id, level_num, link_type, link_type_array, pos_id_array ) as ( select l.pos_id, l.boss_pos_id, 1 as level_num, ...
<python><pandas><postgresql><algorithm><recursion>
2024-03-18 13:20:11
0
309
Gerzzog
78,180,479
10,722,752
How to view histograms juxtaposed using matplotlib
<p>I am trying to visualize how the distributions differ based on the flag column:</p> <p>Sample Data:</p> <pre><code>np.random.seed(0) df = pd.DataFrame({'col1' : np.random.uniform(size = 100), 'col2' : np.random.uniform(size = 100), 'col3' : np.random.uniform(size = 100), ...
<python><pandas><matplotlib>
2024-03-18 13:16:07
1
11,560
Karthik S
78,180,462
165,753
How to share downloaded huggingface models among users?
<p>I'd like several users to share downloaded models, such that when any of the users downloads a model, e.g. using</p> <pre><code>tokenizer = AutoTokenizer.from_pretrained(model_name) model = AutoModelForCausalLM.from_pretrained(model_name) </code></pre> <p>the other users would be able to use it as well for inference...
<python><huggingface-transformers><nfs><huggingface-hub>
2024-03-18 13:12:25
1
7,729
dimid
78,180,325
7,480,820
Can you use a function's return type as a type elsewhere?
<p>I have a callback that takes the result of another function as input. Is there a way to directly reference that function's return type? Currently I have the return type defined as a type alias that I can use in both places but that doesn't seem ideal. Does something like C++'s <a href="https://en.cppreference.com/w/...
<python><python-typing>
2024-03-18 12:49:24
1
1,282
Philip Nelson
78,180,153
10,574,250
VS Code - An Invalid Python interpreter is selected, please try changing it to enable features such as IntelliSense, linting, and debugging
<p>I am trying to select my python interpreter in VS Code using a venv that I have created. I have tried everything but it doesn't work.</p> <p>My folder structure looks like this:</p> <pre class="lang-none prettyprint-override"><code>- practice - venv - Scripts - python.exe - all other associated venv files. ...
<python><visual-studio-code>
2024-03-18 12:18:27
0
1,555
geds133
78,180,139
4,578,454
django custom datetime format not working with form fields
<p>I'm working on a Django project where I wanted to add a date format for local usage. As per the documentation, I have updated the settings to use local date time format : <a href="https://docs.djangoproject.com/en/5.0/ref/settings/#std-setting-DATETIME_INPUT_FORMATS" rel="nofollow noreferrer">Link</a></p> <p>Setting...
<python><django><datetime>
2024-03-18 12:16:54
0
4,667
silverFoxA
78,180,128
6,943,622
Build Palindrome from two strings
<p>I want to write a python function that does this efficiently:</p> <p>The function will take two strings, 'a' and 'b', and attempt to find the longest palindromic string that can be formed such that it is a concatenation of a non-empty substring of 'a' and a non-empty substring of 'b'. If there are multiple valid ans...
<python><algorithm><palindrome>
2024-03-18 12:16:01
1
339
Duck Dodgers
78,179,966
14,989,571
Remove background of image using sobel edge detection
<p>I have a bunch of images representing coins, some of which have a noisy background (e.g. letters or different background color). I'm trying to remove the background of each coin image to leave only the coin itself but I cannot get the <code>cv2.findContours</code> function from OpenCV to only detect the main contour...
<python><opencv><computer-vision><semantic-segmentation>
2024-03-18 11:47:23
1
2,489
Shunya
78,179,864
3,468,067
Is there a shorter way to tell Mypy that a given optional chaining is fine?
<p>I am working on Python code where the domain logic makes it natural to have a class with an optional field of a second class, which itself has an optional field of a third class. Boiling it down to a minimum working example, this is what I mean:</p> <pre><code>class C: def __init__(self, number: int) -&gt; None:...
<python><mypy><python-typing><optional-chaining>
2024-03-18 11:28:39
0
383
Erlend Magnus Viggen
78,179,759
1,766,088
Read .accdb database in Python app running on Docker container (Alpine)
<p>I am trying and failing to read a local .accdb file in my Python 3.11 app, which is running in an <code>python:3.11-alpine</code> container.</p> <p>My Dockerfile executes without errors:</p> <pre class="lang-dockerfile prettyprint-override"><code>FROM python:3.11-alpine EXPOSE 5001 ENV PYTHONDONTWRITEBYTECODE=1 ENV...
<python><docker><ms-access><alpine-linux><mdbtools>
2024-03-18 11:09:03
2
675
asdf
78,179,714
3,973,269
Extract photos from a photo album using Python
<p>I have a physical photo album, for which each page might contain one or more photos glued on it.</p> <p>I took a picture of each individual page, containing multiple photos. Now, I placed all the pictures that I took into a single folder, and I would like to iterate over it with Python to extract all photos that wer...
<python><opencv><contour><canny-operator>
2024-03-18 11:02:23
1
569
Mart
78,179,471
22,418,446
mdates locators show non-existent time intervals in my graph
<p>I'm trying to build streamlit dashboard for stock marketting. My stock datas is between 9am to 16pm. I'm using locators for x-axis ticks. However, the chart shows the data for non-existent time intervals like in graph there is big gap between tciks and draw linear between 16pm to 9am. I want to remove this gap and m...
<python><pandas><matplotlib><streamlit>
2024-03-18 10:24:45
2
1,160
msamedozmen
78,179,350
1,613,983
How do I generate ngroups from a comparison function?
<p>Suppose I have a function that compares rows in a dataframe:</p> <pre><code>def comp(lhs: pandas.Series, rhs: pandas.Series) -&gt; bool: if lhs.id == rhs.id: return True if abs(lhs.val1 - rhs.val1) &lt; 1e-8: if abs(lhs.val2 - rhs.val2) &lt; 1e-8: return True return False </code></pre> <p>Now I...
<python><pandas>
2024-03-18 10:01:29
2
23,470
quant
78,179,269
6,435,921
Why Pycharm's struggles with Scipy functions that can return multiple outputs?
<p>Scipy is one of the most used scientific packages in Python. Most of its functions have a common interface: they either return only a value (which can be <code>float/np.ndarray</code>) or a <code>tuple</code>, where the second term is <code>boolean</code> or a <code>dict</code>. Something like this:</p> <pre><code>v...
<python><scipy><pycharm>
2024-03-18 09:47:19
1
3,601
Euler_Salter
78,178,650
14,923,149
Difficulty Extracting GenBank Accession Number Using Species and Strain Name, using webscraping (Using BeautifulSoup or Selenium)
<p>I need to extract specific information from a webpage using BeautifulSoup and / or Selenium. I'm trying to extract information related to a particular organism from a webpage, but I'm encountering difficulties.</p> <p>I tried this</p> <pre><code>from selenium import webdriver from selenium.webdriver.common.by import...
<python><selenium-webdriver><beautifulsoup><biopython>
2024-03-18 07:45:21
0
504
Umar
78,178,479
424,957
how to load page by python selenium?
<p>I can view page by any browser, I can only view blank when I open that by Selenium, I found there is javaScript as below, I guess that I need to run this code, what can I do next?</p> <pre><code>&lt;body&gt; &lt;script&gt; !function(){ var e=document.createElement(“iframe”); funct...
<javascript><python><selenium-webdriver>
2024-03-18 07:09:48
1
2,509
mikezang
78,178,330
2,862,945
Updating multiple plots in Jupyter notebook when a slider value changes
<p>I want to update multiple <code>imshow</code> plots in a jupyter notebook when an <code>IntSlider</code> value changes. What is wrong with by code?</p> <p>Those are the versions I am using</p> <pre><code>import ipywidgets as widgets import matplotlib.pyplot as plt import matplotlib import numpy as np print( 'versio...
<python><matplotlib><jupyter-notebook><jupyter-lab>
2024-03-18 06:29:20
2
2,029
Alf
78,177,927
336,489
Azure Functions in Python and GnuPG invocation
<p>I have an Azure Function in Python and I am trying to use the python-gnupg wrapper to invoke a GnuPG binary while doing local development.</p> <p>This is the code I am trying out inside of the Azure Function with a HTTP Trigger.</p> <pre><code>import gnupg import tempfile import subprocess import azure.functions as...
<python><azure><azure-functions><gnupg><python-gnupgp>
2024-03-18 04:25:12
1
5,130
GilliVilla
78,177,866
5,794,617
How to get number of cores from inside a pod
<p>Kubernetes allows <a href="https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#requests-and-limits" rel="nofollow noreferrer">to set CPU &amp; memory limits for a pod</a>. Is there a way to get CPU request/limits from inside a POD without using <code>kubectl</code>?</p>
<python><kubernetes><cgroups>
2024-03-18 03:53:04
1
2,453
Artavazd Balayan
78,177,751
6,587,318
Is there any way to have re.sub report out on every replacement it makes?
<p>TL;DR: How to get <code>re.sub</code> to print out what substitutions it makes, including when using groups?</p> <p>Kind of like having a verbose option, is it possible to have <code>re.sub</code> print out a message every time it makes a replacement? This would be very helpful for testing how multiple lines of <cod...
<python><regex><python-re>
2024-03-18 02:59:40
2
326
Zachary
78,177,697
1,174,102
How to access Kivy Properties from within its "self" on __init__()
<p>How can I access a <a href="https://kivy.org/doc/stable/api-kivy.properties.html" rel="nofollow noreferrer">Kivy Property</a> within a widget's own <code>__init__()</code> function?</p> <p>I wrote a custom <a href="https://kivy.org/doc/stable/api-kivy.uix.widget.html" rel="nofollow noreferrer">widget in Kivy</a>. I ...
<python><android-recyclerview><kivy>
2024-03-18 02:32:51
1
2,923
Michael Altfield
78,177,620
661,424
Scrolling a tk.Text with the yview_scroll method results in a glitch sometimes
<p>I have a <code>tk.Text</code> widget inside a frame, that is inside a <code>Notebook</code>. Inside the tk.Text I embed another tk.Frame that has a tk.Frame header and a tk.Text content. The problem is that when I try to scroll the main tk.Text, from bottom to top, a pure black background box appears as I scroll up,...
<python><tkinter>
2024-03-18 01:54:30
0
4,073
madprops
78,177,595
2,504,762
nox not able to to find python 3.7 interpreter
<p>I am trying to contribute to open source repo. And I realize that my test is failing on python 3.7 interpreter, it passing in 3.8, 3.9 and 3.10. I am trying to run this locally so I could fix it.</p> <p>However, when I am trying to run it. it shows me following error.</p> <pre><code>❯ nox -R -s unit-3.7 -- -k test_...
<python><python-3.x><unit-testing><nox>
2024-03-18 01:44:33
0
13,075
Gaurang Shah
78,177,570
11,628,437
How to `pd.concat` nested dictionaries?
<p>I am trying concatenate multiple DataFrames using <code>pd.concat</code>. Basically I am trying to follow the instructions from <a href="https://stackoverflow.com/questions/78175233/can-i-create-a-nested-column-pandas-dataframe-using-a-nested-dictionary?noredirect=1#comment137819708_78175233">this</a> post for a fou...
<python><pandas>
2024-03-18 01:32:27
1
1,851
desert_ranger
78,177,372
268,847
Allow a Python typer option to appear anywhere on the command line
<p>Consider the following typer-based Python program:</p> <pre class="lang-python prettyprint-override"><code>#!/usr/bin/env python import typer app = typer.Typer() from typing_extensions import Annotated VERBOSE = False books_app = typer.Typer() app.add_typer(books_app, name=&quot;books&quot;) authors_app = typer.T...
<python><typer>
2024-03-17 23:50:49
0
7,795
rlandster
78,177,175
10,755,782
Difficulty Finding Input Field Using Selenium XPath in Python
<p>I'm currently learning Selenium automation and I'm trying to automate a simple task:</p> <ol> <li>navigating to a webpage, (<a href="https://sri-gpt.github.io" rel="nofollow noreferrer">https://sri-gpt.github.io</a>)</li> <li>locating an input field,</li> <li>entering text into it, and submitting the form.</li> </ol...
<python><google-chrome><selenium-webdriver><selenium-chromedriver>
2024-03-17 22:30:13
2
660
brownser
78,177,066
814,354
Jupyterlab "Too many open files" cause by duplicate loads of libraries
<p>I repeatedly get jupyter lab sessions that start to hang while spamming tracebacks to the terminal that end with:</p> <pre><code> zmq.error.ZMQError: Too many open files </code></pre> <p>An example complete traceback is:</p> <pre><code>[E 2024-03-17 17:40:36.843 ServerApp] Uncaught exception GET /api/kernels/059a...
<python><jupyter><jupyter-lab>
2024-03-17 21:46:42
0
19,445
keflavich
78,177,061
6,031,223
Error on Hybrid Search using Azure AI Search
<p>I've been getting the following error using python sdk and front end although I believe I have my schema set up &quot;Searchable&quot; correctly. Please advice, thank you.</p> <blockquote> <p>&quot;The 'search' parameter requires at least 1 searchable text field in the index.\r\nParameter name: searchFields&quot;</p...
<python><azure><azure-cognitive-search><azure-python-sdk><azure-ai-search>
2024-03-17 21:44:38
1
333
ROAR.L
78,176,968
11,628,437
How can I add the values for same groups until the second last index level of a nested Pandas dataframe
<p>I've created a minimal example of a nested pandas dataframe from a nested dictionary based on the instructions given in this <a href="https://stackoverflow.com/questions/78175233/can-i-create-a-nested-column-pandas-dataframe-using-a-nested-dictionary/78175296#78175296">post</a>.</p> <pre><code>nested_dict = { 'Full_...
<python><pandas>
2024-03-17 21:13:45
1
1,851
desert_ranger
78,176,948
2,195,440
How to resolve types in Python code with Tree-sitter?
<p>I'm using Tree-sitter to parse Python code and extract ASTs, and trying to manually traverse ASTs to infer types based on assignments and function definitions.</p> <p>But I'm struggling with accurately resolving types (variables, functions, classes) due to Python's dynamic typing. Specifically, challenges arise with...
<python><treesitter><type-resolution>
2024-03-17 21:06:35
0
3,657
Exploring
78,176,906
640,205
Why is there a file handle after opening and closing an xlsx file workbook with openpyxl with read_only=True?
<p>Can I get your help troubleshooting a file handle issue with the Python package openpyxl version 3.0.7? If the load_workbook 'read_only' parameter is set to False, this does not occur. It only occurs when set to True. If you call these load_workbook and close functions multiple times (of the same file), this will...
<python><openpyxl>
2024-03-17 20:49:04
1
19,120
JustBeingHelpful
78,176,717
2,340,002
How to bind functions returning references with pybind11?
<p>When binding C++ with <code>pybind11</code>, I ran into an issue regarding a couple of class members that return (const or non-const) references; considering the following snippet:</p> <pre><code>struct Data { double value1; double value2; }; class Element { public: Element() = default; Element(Dat...
<python><c++><reference><pybind11>
2024-03-17 19:55:58
1
1,767
joaocandre
78,176,587
884,463
Python's file.truncate() unexpectedly does not truncate
<p>I have this very simple Python program:</p> <pre><code>def print_file(filename): with open(filename,'r') as read_file: print(read_file.read()) def create_random_file(filename,count): with open(filename,'w+', encoding='utf-8') as writefile: for row_num in range(count): writefi...
<python>
2024-03-17 19:15:14
2
15,375
David Tonhofer
78,176,517
386,861
Overlaid boundary and point Altair plots are not aligning
<p>I've got a layer map plot in Altair of London that I was struggling to flip - <a href="https://stackoverflow.com/questions/78175314/solving-upside-plot-and-projection-problems-in-geopandas-and-altair">Solving upside plot and projection problems in Geopandas and Altair</a></p> <p>However, a more troubling problem is ...
<python><altair>
2024-03-17 18:52:31
1
7,882
elksie5000
78,176,515
3,231,778
Azure Machine Learning dataset creation hangs forever
<p>I'm trying to create a <code>Dataset</code> from a datastore using Azure ML, however, the execution hangs forever and never finishes.</p> <p>This is the code I'm running which I've adapted from the Msft documentation:</p> <pre class="lang-py prettyprint-override"><code>import azureml.core from azureml.core import Wo...
<python><azure><azure-machine-learning-service><azureml-python-sdk><azuremlsdk>
2024-03-17 18:52:19
1
15,302
Evandro Pomatti
78,176,271
11,628,437
How does `pandas.concat` work when the input is a dictionary?
<p>I am struggling to understand how <code>pd.concat</code> works when the input is a dictionary.</p> <p>Let's say we have the following pandas dataframe -</p> <pre><code># Import pandas library import pandas as pd # initialize list of lists data = [['tom', 10], ['nick', 15], ['juli', 14]] # Create the pandas DataFra...
<python><pandas>
2024-03-17 17:37:18
1
1,851
desert_ranger
78,176,092
17,800,932
Wrapping and integrating an existing Python `socket`-based class with `asyncio`
<p>I have a use-case where there are a lot of TCP/IP clients being bundled up into a single Python process. The current desire is to use <code>asyncio</code> to provide concurrency for the program. For all <em>new</em> TCP/IP clients, <a href="https://docs.python.org/3/library/asyncio-stream.html" rel="nofollow norefer...
<python><tcp><python-asyncio><python-sockets>
2024-03-17 16:44:26
1
908
bmitc
78,175,724
1,537,003
ChromaDB: How to check if collection exists?
<p>I want to create a script that recreates a chromadb collection - delete previous version and creates a new from scratch.</p> <pre><code>client.delete_collection(name=COLLECTION_NAME) collection = client.create_collection( name=COLLECTION_NAME, embedding_function=embedding_func, metadata={&quot;hnsw:space...
<python><chromadb>
2024-03-17 14:58:58
4
2,059
Michal
78,175,707
3,577,054
How to find a particular exception inside the traceback using pytest
<p>Having a <code>test_raises</code> test like this, which checks that <code>ValueError</code> was raised using <a href="https://docs.pytest.org/en/4.6.x/reference.html#pytest-raises" rel="nofollow noreferrer"><code>pytest.raises</code></a>:</p> <pre class="lang-py prettyprint-override"><code>import pytest def foo():...
<python><pytest>
2024-03-17 14:53:16
1
15,051
Peque
78,175,561
14,364,775
How to process data in chunks(Pandas)?
<p>I have a function:</p> <pre><code>def extract_named_entities(note): &quot;&quot;&quot; Extract the named entities identified in a given note. &quot;&quot;&quot; doc = nlp(note) return [ent.text for ent in doc.ents] df['named_entities'] = df['NOTE'].apply(extract_named_entities) e_df = df.explod...
<python><python-3.x><pandas>
2024-03-17 14:12:08
1
1,018
Rikky Bhai
78,175,528
2,338,792
Getting ImportError When running EXE created by pyInstaller
<p>I'm using numpy in a python code, it runs successfully when running it as python. But when converting it to executable using pyInstaller, I get the following error:</p> <pre><code>Traceback (most recent call last): File &quot;numpy\core\__init__.py&quot;, line 24, in &lt;module&gt; File &quot;PyInstaller\loader\...
<python><numpy><pyinstaller>
2024-03-17 13:59:50
0
2,354
DavidS
78,175,445
17,889,328
change pydantic 'extra=' behaviour per call
<p>i want to define a pydantic BaseModel with extra='forbid', and then in specific places validate objects i know will have extras, while still disallowing them if not specified - is this possible?</p> <p>if not what's most concise or generally recommended approach? intermediate class? classmethod on the model? typeada...
<python><pydantic>
2024-03-17 13:34:03
1
704
prosody
78,175,314
386,861
Solving upside plot and projection problems in Geopandas and Altair
<p>I'm trying to plot a multi-layered map of London using some data from the ONS.</p> <pre><code>import geopandas as gpd from shapely import wkt # Convert the 'geometry' column to shapely geometry objects london_wards_shp['geometry'] = london_wards_shp['geometry'].apply(wkt.loads) london_wards_gpd = gpd.GeoDataFrame(l...
<python><geopandas><altair>
2024-03-17 12:53:14
2
7,882
elksie5000
78,175,287
8,964,393
How to train a linear regression for each pandas dataframe row and generate the slope
<p>I have created the following pandas dataframe:</p> <pre><code>import numpy as np import pandas as pd ds = {'col1' : [11,22,33,24,15,6,7,68,79,10,161,12,113,147,115]} df = pd.DataFrame(data=ds) predFeature = [] for i in range(len(df)): predFeature.append(0) predFeature[i] = predFeature[i-1]+1 df['pred...
<python><pandas><dataframe><linear-regression><coefficients>
2024-03-17 12:45:19
1
1,762
Giampaolo Levorato
78,175,235
710,734
Get the sorted elements using pre-computed sort only
<p>Looking for the following algorithm.</p> <p>Given for example the following unordered list:</p> <pre><code>main_list = np.array([100,200,400,1000,800,900,700,600,500,300]) </code></pre> <p>and given the query list elements <code>q = np.array([2,5,7,9])</code>, that correspond to the list <code>np.array([400, 900, 60...
<python><algorithm><numpy><sorting>
2024-03-17 12:29:15
2
3,124
Miguel
78,175,233
11,628,437
Can I create a nested column pandas dataframe using a nested dictionary?
<p>I am trying to think out of the box here, and my idea might be really bad. Feel free to point out better alternatives. I want to create a nested column pandas dataframe, both for visualization and analysis purposes. The output should look like this -</p> <pre><code> Marks Physics | Biology Theo|P...
<python><pandas>
2024-03-17 12:29:00
1
1,851
desert_ranger
78,175,064
20,830,264
Error on getting the xref of an image with PyMuPDF using page.get_text("dict")["blocks"]
<p>With the following Python function I'm trying to extract text and images from a pdf document. Also, I want to put a label like <code>f&quot;&lt;&lt;&lt;image_{image_counter}&gt;&gt;&gt;&quot;</code> in the extracted text at the exact location of the corresponding image. This is the Python function I have:</p> <pre c...
<python><pdf><pymupdf>
2024-03-17 11:36:39
1
315
Gregory
78,174,891
4,262,057
How do I generate embeddings for dicts (not text) for Vertex AI Search?
<p>I am trying to generate and store vector embeddings in my GCS bucket such that they can be accessed by Vector AI Search to find the most similar items.</p> <p>Following <a href="https://cloud.google.com/vertex-ai/docs/vector-search/overview" rel="nofollow noreferrer">this official tutorial</a>, they mention that the...
<python><google-cloud-platform><google-cloud-vertex-ai><vector-search><google-generativeai>
2024-03-17 10:41:22
1
7,054
WJA
78,174,526
1,753,273
Assertion Failure in SWI-Prolog When Using pyswip to Consult a Prolog File
<p>I'm working on a project where I use pyswip to integrate SWI-Prolog with Python. As someone new to Prolog programming, I've encountered an assertion failure when attempting to consult a Prolog file using pyswip. The error occurs specifically at the prolog.consult(&quot;/mnt/data/Dynamic_aci_assignment_PS2.pl&quot;) ...
<python><list><prolog><swi-prolog>
2024-03-17 08:25:20
1
594
agaonsindhe
78,174,454
5,102,848
How to implement continuous scroll using Selenium + Python
<p>Using Selenium in Python, I would like to load the entirety of a JS generated list from this webpage: <a href="https://partechpartners.com/companies" rel="nofollow noreferrer">https://partechpartners.com/companies</a>. There is a 'LOAD MORE' button at the bottom.</p> <p>The code I've written to press the button (it ...
<python><selenium-webdriver>
2024-03-17 07:57:27
1
410
tktk234
78,174,202
130,208
in python code, Is this a proper place to use dependency injection -- if so, how
<p>The code setup is as follows:</p> <ul> <li>Module ui_theme.py defines a theme and variant selector.</li> <li>variant_selector has an on_change event handler.</li> <li>Module cards_page.py imports ui_theme.py and has a handler on_variant_change.</li> </ul> <p>Now, what I want to achieve that when ui_theme.on_change e...
<python><dependency-injection><callback><eventhandler>
2024-03-17 05:52:49
1
2,065
Kabira K
78,174,069
1,736,389
How to expand macros with python and libclang
<p>Say I have the following C code.</p> <pre class="lang-c prettyprint-override"><code>#define A 0x1800 #define MACRO_FUNC(in) (A | (in)) #define B 6 #define MY_MACRO MACRO_FUNC(B) </code></pre> <p>How would I use <code>libclang</code> python bindings to expand <code>MY_MACRO</code> to <code>(0x1800 | (6))</code> or...
<python><c><libclang>
2024-03-17 04:29:59
0
741
Sam P
78,174,062
1,606,657
How to use a generic class type in combination with a function return type?
<p>Why is this type hint not working?</p> <pre><code>from typing import Generic, TypeVar from dataclasses import dataclass V = TypeVar('V', int, str) @dataclass class Test(Generic[V]): a: V class Base(Generic[V]): def test(self) -&gt; Test[V]: t = '1' return Test[V](t) b = Base[str]() b...
<python><mypy><python-typing>
2024-03-17 04:26:32
1
6,352
wasp256
78,174,010
829,782
What is the most efficient method to get the last modification time of every file in a git revision?
<p>I want to programmatically list the name and last modification time of every file in a certain revision. Running <code>git log</code> for every file, <a href="https://serverfault.com/questions/401437/how-to-retrieve-the-last-modification-date-of-all-files-in-a-git-repository">as suggested here</a> is very slow. Is t...
<python><git><time>
2024-03-17 03:55:29
3
386
maarten
78,173,977
12,139,738
How Can I Apply Custom Corner Radius to an Image Inside a CTkFrame Using customtkinter in Python?
<p>I'm currently working on a Python project using <code>customtkinter</code>, and I'm facing an issue with applying a custom corner radius to an image inside a <code>CTkFrame</code>. Here's a minimal example of my code:</p> <pre class="lang-py prettyprint-override"><code>import customtkinter from PIL import Image ima...
<python><tkinter><customtkinter>
2024-03-17 03:29:15
2
391
DYD
78,173,925
525,865
BeautifulSoup-scraper runs well and robust some times - but otherwhile it fails :: probably some more exception-handling needed here?
<p>For some reason this clutch.co scraper is working propperly if i run it on one site</p> <ol> <li><strong>a.</strong> <a href="https://clutch.co/us/web-developers" rel="nofollow noreferrer">https://clutch.co/us/web-developers</a> - the us-category: it works awesome</li> <li><strong>b.</strong> <a href="https://clutch...
<python><pandas><dataframe><beautifulsoup><request>
2024-03-17 02:35:40
2
1,223
zero
78,173,697
11,793,491
Replace values with assign in pandas
<p>I have this data frame:</p> <pre class="lang-py prettyprint-override"><code>df = pd.DataFrame({'Address': ['234 JALAN ST KULAR LUMPUR MALAYSIA', '123 BUILDING STREET SINGAPORE', '67 CANNING VALE, HONG KONG', np.nan]}) df ...
<python><pandas>
2024-03-17 00:04:00
2
2,304
Alexis
78,173,436
727,238
Inspecting Python operation: how to get all decorators literally?
<p>I'm inspecting code in runtime. I want to get all decorators a function/method is decorated with. For example, if it is <code>@classmethod</code> I want to get just the string: <strong>&quot;@classmethod&quot;</strong>, if it is something like <code>@path(MyClass.myop)</code> I want to get the string <strong>&quot;@...
<python><decorator>
2024-03-16 22:04:48
1
2,071
ardabro
78,173,316
2,386,605
Scholarly package does return cropped output
<p>I try to fetch some papers via scholarly, which works nicely. However, when I run</p> <pre><code>from scholarly import scholarly from pprint import pprint search_query = scholarly.search_pubs(query='Perception of physical stability and center of mass of 3D objects', year_low=2010) pprint(next(search_query)) </code>...
<python><python-3.x><google-scholar>
2024-03-16 21:07:47
0
879
tobias
78,173,209
547,231
How to save an `exr` from a pytorch tensor in Python?
<p>Previously, there was a function <code>torchvision.utils.save_float_image</code> with which it was possible to store an <code>.exr</code> file from a pytorch tensor. This function is gone in the current relase (0.17). Now, there is only the function <code>torchvision.utils.save_image</code> (<a href="https://pytorch...
<python><python-3.x><pytorch>
2024-03-16 20:26:42
1
18,343
0xbadf00d
78,173,203
547,231
Increment a float pointer in Python
<p>I have a <code>float</code> pointer <code>p</code> from a C++ library which I want to increment in a Python module. When I try to write <code>p + distance</code>, I'm receiving the error that the operator <code>+</code> would be undefined for <code>LP_c_float</code>.</p> <p>A possible solution is to use <code>advanc...
<python><python-3.x><ctypes>
2024-03-16 20:23:30
1
18,343
0xbadf00d
78,173,150
2,382,141
AttributeError: module 'keras.src.backend' has no attribute 'Variable' with Dropout layer
<p>I'm trying to re-use a neural network for sound classification but keras give an error: AttributeError: module 'keras.src.backend' has no attribute 'Variable'. May it be a compatibility problem? I'm using keras v3.0.5. This is my code:</p> <pre><code>import numpy as np from keras.models import Sequential from keras....
<python><tensorflow><keras><neural-network>
2024-03-16 20:00:18
1
348
Giuseppe Ricci
78,173,000
11,748,924
Numpythonic way to perform vector substraction where the operands has different shape each other (a,n) - (b,n)
<p>I have two matrix operand like these:</p> <pre><code>a = np.array([[1,2], [3,4], [5,6], [7,8]]) b = np.array([[9,10], [11,12], [13,14]]) </code></pre> <p>If we debug <code>a</code> and <code>b</code>, they will look like these:</p> <pre><code>[[1 2] [3 4] [5 6] [7 8]] (4, 2) int32 [[ 9 10] [11 12] [13 14]] (3,...
<python><numpy><multidimensional-array><tensor>
2024-03-16 19:06:22
2
1,252
Muhammad Ikhwan Perwira
78,172,715
7,846,884
how to generate linear X Y data to regression practice in Python
<p>Que: how can i get linear relation between each features/independent variables (X) and target (Y). Both X and Y must be real-values.</p> <p>But my plot shows only 1/10 features is linearly associated with my target.</p> <p>Pls see code to generate data with true coefficients to test linear regression with SGD i foun...
<python><numpy><linear-regression>
2024-03-16 17:27:24
1
473
sahuno
78,172,548
1,916,588
Mock only one attribute of all instances of a class
<p>I have these 3 modules:</p> <pre class="lang-py prettyprint-override"><code># config.py class Config: def __init__(self): self.some_attribute = &quot;some value&quot; # &lt;-- I want to mock this attribute self.another_attribute = 123 </code></pre> <pre class="lang-py prettyprint-override"><code...
<python><unit-testing><mocking>
2024-03-16 16:38:09
1
12,676
Kurt Bourbaki
78,172,478
4,639,580
How to obtain data from two tables and that two table join using Foreign-key in the Django rest framework
<p>I am quite new to Django. I'm writing and app using Vue3 in the frontend and Django5 in the backend. I've implemented login already, but I want the user returning to contain the role, that happens to be in another table, and I just get the id.</p> <p>My Django models:</p> <pre class="lang-py prettyprint-override"><c...
<python><django><django-rest-framework>
2024-03-16 16:14:31
1
619
Dairelys García Rivas
78,172,031
339,144
How to obtain an exception with a `__traceback__` attribute that contains the stack outside a `try`
<p>It seems that in Python (3.10) an exception that is raised inside a <code>try</code> contains a traceback that does not extend to the calling location of the <code>try</code>. This is somewhat surprising to me, and more importantly, not what I want.</p> <p>Here's a short program that illustrates the problem:</p> <pr...
<python><python-3.x>
2024-03-16 13:55:47
2
2,577
Klaas van Schelven
78,171,843
525,865
OpenStreetMap: concatenate a request into a loop that iterates over each 3166 country code, parse response into DF with Python
<p>i am currently working on a combined request that runs on the API-end of Overpass-Turbo: the aim is to concatenate a request like the following;</p> <pre><code>[out:csv(::id,::type,&quot;name&quot;,&quot;addr:postcode&quot;,&quot;addr:city&quot;,&quot;addr:street&quot;,&quot;addr:housenumber&quot;,&quot;website&qu...
<python><pandas><dataframe><request><openstreetmap>
2024-03-16 12:55:58
1
1,223
zero