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75,967,994
8,541,314
How to make bootstrap navlink active in dynamically generated for loop in django template
<p>I am trying to make a tag navlink active in for loop django template. Every link is passing id, base on id matching i would like make nav-link active.</p> <p>This is my Template html page, this is for loop and here i am checking condition to make nav-link active. I am not able to highlight the nav-link.</p> <pre><co...
<python><jquery><django><twitter-bootstrap><django-templates>
2023-04-08 22:33:08
1
1,008
Raikumar Khangembam
75,967,784
3,103,957
OOP hierarchy in Python
<p>In Python, everythig is a object.</p> <p>If we create an instance of a user defined class, below how the instance is created.</p> <p>Step:1 The <code>__call__()</code> method present in type class, is invoked.</p> <p>Step:2 The <code>__call__</code> method in turn, calls the <code>__new__()</code> and <code>__init__...
<python><oop>
2023-04-08 21:33:17
1
878
user3103957
75,967,744
5,079,088
ROS2-Gazebo: show image on the side of a cube
<p>I am trying to display aruco marker on one (only one) side of the cube in Gazebo. I am using the following model, that is pasted in a world file:</p> <pre><code> &lt;model name='charger'&gt; &lt;static&gt;true&lt;/static&gt; &lt;link name='charger_link'&gt; &lt;collision name='charger_collision'&g...
<python><ros2><aruco><gazebo-simu>
2023-04-08 21:23:49
2
449
Steve Brown
75,967,713
3,435,121
Byte ordering of protocol number in raw packets
<p>On Internet I found multiple occurrences of following code snippets.</p> <pre><code>ETH_P_ALL=0x0003 # from /usr/include/linux/if_ether.h sock=socket.socket( socket.AF_PACKET, socket.SOCK_RAW, socket.ntohs( ETH_P_ALL)) </code></pre> <p>and</p> <pre><code>ETH_P_IP=0x0800 # from /usr/include/linux/if_ether.h sock=sock...
<python><network-programming>
2023-04-08 21:14:48
0
675
user3435121
75,967,712
19,157,137
Logic behind Recursive functions in Python
<p>I have the following recursive function below that returns the <code>k</code> to the <code>s</code> power of a certain integer.</p> <p>However I do not understand how it works. The base class is 1 when <code>s</code> becomes 0.</p> <p>How is it so that the returned value is actually <code>k^s</code> when <code>1</co...
<python><python-3.x><function><recursion><return>
2023-04-08 21:14:31
1
363
Bosser445
75,967,590
3,042,018
When can/can't you modify a list during iteration?
<p>You are not supposed to modify a list during iteration apparently. I can see the potential for problems, but I'm not sure when it is or isn't OK. For example, the code below seems to work fine:</p> <pre><code>import random xs = [random.randint(-9,9) for _ in range(5)] print(xs, sum(xs)) xs = [x * -1 for x in xs] pr...
<python><list><iteration><logic-error>
2023-04-08 20:43:22
2
3,842
Robin Andrews
75,967,527
16,136,190
EXE created with PyInstaller: "Cannot copy tree 'Y': not a directory"
<p>I converted a file, <code>main.py</code>, into <code>main.exe</code>, using PyInstaller. <code>main.py</code> doesn't throw any error, but <code>main.exe</code> does.</p> <p>The script didn't execute fully, so I used a <code>try-catch</code> and got this:</p> <blockquote> <p>Cannot copy tree 'Y': not a directory</p>...
<python><path><pyinstaller><distutils><file-structure>
2023-04-08 20:25:40
0
859
The Amateur Coder
75,967,398
20,443,528
How to write an if statement where conditions can be variable in Python?
<p>I want to write an if statement. For e.g.</p> <pre><code>if first == a and second == b and third == c and fourth == d: # code </code></pre> <p>The problem is that the value of a, b, c, d, e can be None. In that case that particular condition should not be evaluated.</p> <p>For e.g. if b = None then the if conditi...
<python><if-statement>
2023-04-08 19:54:00
3
331
Anshul Gupta
75,967,324
2,233,500
How to install Stable Diffusion web UI from AUTOMATIC1111 on a Mac Intel?
<p>I've recently tried to use the Stable Diffusion web UI from AUTOMATIC1111 on my Mac Intel. There is no documentation for Mac Intel, and when I tried to use the methods presented for other platforms, I ended-up with a Python exception related to LZMA:</p> <pre><code>ModuleNotFoundError: No module named '_lzma' </code...
<python><macos><artificial-intelligence><stable-diffusion>
2023-04-08 19:37:56
2
867
Vincent Garcia
75,967,131
9,757,174
Sentinel Values in Pydantic Model - Fastapi and Firestore
<p>I am creating a backend with FastAPI and Firestore. I want to set one of my model fields <code>createdOn</code> as a <code>firestore.SERVER_TIMESTAMP</code>. In Python, it's stored as a <code>Sentinel</code>. However, what data type should I store in my Pydantic model for it to allow server timestamp.</p> <p>My curr...
<python><firebase><datetime><fastapi><pydantic>
2023-04-08 18:52:40
1
1,086
Prakhar Rathi
75,966,791
4,213,362
How to pass file path from C# application to Python script and return the processed file path back to C#?In Visual Studio
<p><strong>This question is in regards to the references or some other similar feature in Visual Studio 2019. Both my C# and Python projects are part of a single solution</strong></p> <p>I am developing a C# application using WPF that requires running Python scripts in the backend to perform specific operations on user...
<python><c#><windows><visual-studio><visual-studio-2019>
2023-04-08 17:42:36
1
811
Vishesh Mangla
75,966,711
5,875,276
XPath to select all href links that start with something
<p>I'm looking to get some information from this URL:</p> <p><a href="https://www.bandsintown.com/c/madison-wi?date=2023-04-08T00%3A00%3A00%2C2023-04-09T23%3A00%3A00&amp;date_filter=Choose+Dates&amp;calendarTrigger=false" rel="nofollow noreferrer">https://www.bandsintown.com/c/madison-wi?date=2023-04-08T00%3A00%3A00%2C...
<python><html><xml><selenium-webdriver><xpath>
2023-04-08 17:28:42
1
1,839
DiamondJoe12
75,966,684
13,307,245
Determine if program was called from a terminal or by running an associated file
<h1>Background</h1> <p>I am attempting to create an interpreter for a toy programming language. I built the interpreter with ANTLR4 + Python. Then, I compiled the interpreter using Nuitka and bundled it using Inno Setup. After installing with Inno Setup, the executable can be invoked in two ways:</p> <ol> <li>Invoking ...
<python><windows><nuitka>
2023-04-08 17:23:00
1
579
SimonUnderwood
75,966,652
1,508,935
Cleaning-up sphinx-doc protobuf types
<p>I feel like I had this figured out before but it's not working again, I am developing some code based on protobuf and grpc and in the documentation all of the types come out really messily:</p> <blockquote> <p>create_session(name: str, path: str, file_type: &lt;google.protobuf.internal.enum_type_wrapper.EnumTypeWrap...
<python><python-sphinx><protobuf-python>
2023-04-08 17:16:21
1
9,464
iluvcapra
75,966,596
14,220,087
python dict get method runs the second argument even when key is in dict
<p>according to the doc, the get method of a dict can have two argument: key and a value to return if that key is not in the dict. However, when the second argument is a function, it'll run regardless of whether the key is in the dict or not:</p> <pre class="lang-py prettyprint-override"><code>def foo(): print('foo...
<python><python-3.x><dictionary>
2023-04-08 17:05:54
2
829
Sam-gege
75,966,447
11,628,437
How do I deterministically convert Pandas string columns into specific numbers?
<p>I asked a similar question <a href="https://stackoverflow.com/questions/75966231/how-do-i-convert-a-pandas-string-column-into-specific-numbers-without-using-a-lo/75966283#75966283">here</a> and was grateful for the community's help.</p> <p>I have a problem wherein I want to convert the dataframe strings into numbers...
<python><pandas>
2023-04-08 16:38:05
1
1,851
desert_ranger
75,966,430
11,281,877
How to include p-values in heatpmap
<p>I generated a correlation heatmap of 4 variables using seaborn. In each cell of the heatmap, I would like to include both the correlation and the p-value associated with the correlation. Ideally, the p-value should be on a new line and in brackets. I am trying to use the annot argument for displaying both the correl...
<python><matplotlib><seaborn><heatmap>
2023-04-08 16:34:01
1
519
Amilovsky
75,966,231
11,628,437
How do I convert a Pandas string column into specific numbers without using a loop?
<p>I have a column of strings that I'd like to convert into specific numbers. My current approach involves using a for loop, but I feel that's not how Pandas was designed to be used. Could someone suggest a more elegant solution that is applicable to more than one column?</p> <p>Here is my code -</p> <pre><code>import ...
<python><pandas>
2023-04-08 15:58:20
2
1,851
desert_ranger
75,966,115
1,667,868
Django use same object for multiple views
<p>In django im making my first app. I'm trying to find a way to share an object between multiple view methods.</p> <p>e.g. In my views.py I have</p> <pre><code>def lights_on(request): hue_connector = HueConnector() print(hue_connector.turn_all_lights_on()) return redirect('/') def lights_off(request): ...
<python><django>
2023-04-08 15:36:33
3
12,444
Sven van den Boogaart
75,966,097
15,724,084
trying python tkinter creating widgets with classes (frame)
<p>I am trying to create custom widgets with classes. I have one class, called <code>CustomWidgets</code> inside it, I have method for creating <code>Frame</code> object, then configure its <code>side</code> key with <code>config</code> method, but it gives an error.</p> <p>code;</p> <pre><code>from tkinter import * fr...
<python><oop><tkinter><frame>
2023-04-08 15:32:36
1
741
xlmaster
75,965,988
13,454,049
Replacing loop variables requires time (when instantiating a wrapper)
<p>Why can't I instantiate this List wrapper in constant time? The list is already created (and not a generator), and I'm just saving it in my class. Lists are passed by reference, so please explain. I'm really confused, and can't seem to find answers.</p> <p><strong>UPDATE</strong>: clearing the loop variables at the ...
<python><performance><time-complexity>
2023-04-08 15:09:17
1
1,205
Nice Zombies
75,965,872
5,231,110
Get MIDI pitch-bend range in Python
<p>In MIDI, the pitch-bend range is <code>2</code> per default, but <a href="http://midi.teragonaudio.com/tech/midispec/rpn.htm" rel="nofollow noreferrer">can be modified via specific RPN messages, usually followed by specific &quot;Data Entry&quot; messages</a>.</p> <p>Python MIDI file parsers such as <code>pretty_mid...
<python><midi>
2023-04-08 14:42:48
0
2,936
root
75,965,829
18,157,326
is there any way to solve python version conflict
<p>I am a newbie to python and today I found the python dependencies is so easy to get conflict, each package need to run in a small version period, is there any better way or tricks to handle the version conflict?</p> <pre><code>#8 75.87 The conflict is caused by: #8 75.87 The user requested opencv-python-headless...
<python>
2023-04-08 14:34:18
1
1,173
spark
75,965,667
12,832,931
Load / Plot geopandas dataframe with GeometryCollection column
<p>I have a dataset like this:</p> <p><a href="https://i.sstatic.net/0Ex0n.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/0Ex0n.png" alt="Dataframe" /></a></p> <p>You can reproduce this dataframe loading the following dict:</p> <pre><code>{'entity_ts': {0: '2022-11-01T00:00:56.000Z', 1: '2022-11-01T00:0...
<python><dataframe><gis><geopandas><shapely>
2023-04-08 14:03:34
1
542
William
75,965,610
1,574,054
Best way to create a numpy array of custom objects from data arrays?
<p>Suppose you have a python class which encapsulates some data:</p> <pre><code>import numpy from dataclasses import dataclass @dataclass class A: a: float b: float </code></pre> <p>One can create an instance of <code>A</code> containing arrays instead of simple floats:</p> <pre><code>a_vals = numpy.linspace(0...
<python><arrays><numpy><numpy-ndarray>
2023-04-08 13:52:04
2
4,589
HerpDerpington
75,965,605
9,642
How to persist LangChain conversation memory (save and load)?
<p>I'm creating a conversation like so:</p> <pre><code>llm = ChatOpenAI(temperature=0, openai_api_key=OPENAI_API_KEY, model_name=OPENAI_DEFAULT_MODEL) conversation = ConversationChain(llm=llm, memory=ConversationBufferMemory()) </code></pre> <p>But what I really want is to be able to save and load that <code>Conversati...
<python><pydantic><langchain><large-language-model>
2023-04-08 13:51:18
8
20,614
Neil C. Obremski
75,965,577
2,947,435
python: topic clusters with dendrogram
<p>I have a list of keywords that I want to regroup by clusters based on semantic meaning. I try to use <code>dendrogram</code>algorithm. So it's actually working well: it's returning the clusters ID, but I don't know how to associate every keyword to the appropriate cluster. Here is my code:</p> <pre><code> def clu...
<python><hierarchical-clustering><dendrogram>
2023-04-08 13:45:14
0
870
Dany M
75,965,466
16,305,340
np.linalg.svd is giving me wrong results
<p>so I am trying to learn how SVD work to use it in PCA (principle component analysis), but the problem is that it seam I get wrong results, I tryied using <code>np.linalg.svd</code> and this is my code :</p> <pre><code>A = np.array([[2, 2], [1, 1]]) u, s, v = np.linalg.svd(A, full_matrices=False) print(...
<python><numpy><linear-algebra><svd><wolframalpha>
2023-04-08 13:21:50
1
1,893
abdo Salm
75,965,447
10,392,393
dockerized Kafka service stuck at producer.send
<p>I am very new to docker and Kafka, and have a simple kafka python publisher shown below</p> <p>The following are in my dockerfile:</p> <pre><code>FROM python:3.10 WORKDIR /app COPY . /app RUN pip install --user pip==23.0.1 &amp;&amp; pip install pipenv &amp;&amp; pipenv install --system ENV ENVIRONMENT=productio...
<python><docker><apache-kafka><docker-compose><kafka-python>
2023-04-08 13:17:06
2
979
Alejandro
75,965,243
2,592,835
how to fit random vector into list of vectors python
<p>say I have the following list of vectors</p> <pre><code>vectors=[(10,0),(-10,0),(0,10),(0,-10)] </code></pre> <p>and I have the following random vector:</p> <pre><code>vector=(200,-300) </code></pre> <p>how can I get the vector from the list that is the most similar to the vector that I am inputting in python?</p>
<python><vector>
2023-04-08 12:37:25
2
1,627
willmac
75,965,211
9,078,185
Kivy: Set text attribute inside Screen class
<p>I am writing a Kivy project where my code will dynamically set the <code>text</code> property within a <code>Screen</code> class. Below is a MRE that recreates the problem, but my real code is much more complicated.</p> <p>When I first wrote it, I tried something like <code>self.ids.my_label.text = 'This no worky'</...
<python><kivy>
2023-04-08 12:30:35
1
1,063
Tom
75,965,153
19,356,117
How to release memory space which occupied by segment-anything?
<p>I run this code in jupyterlab, using facebook's segment-anything:</p> <pre><code>import cv2 import matplotlib.pyplot as plt from segment_anything import SamAutomaticMaskGenerator, sam_model_registry import numpy as np import gc def show_anns(anns): if len(anns) == 0: return sorted_anns = sorted(anns...
<python><facebook><pytorch><image-segmentation>
2023-04-08 12:15:05
2
1,115
forestbat
75,965,067
12,297,666
Precision, Recall and F1 with Sklearn for a Multiclass problem
<p>I have a Multiclass problem, where <code>0</code> is my negative class and <code>1</code> and <code>2</code> are positive. Check the following code:</p> <pre><code>import numpy as np from sklearn.metrics import confusion_matrix from sklearn.metrics import ConfusionMatrixDisplay from sklearn.metrics import f1_score f...
<python><scikit-learn><metrics><multiclass-classification>
2023-04-08 11:55:18
1
679
Murilo
75,964,936
7,318,120
Configured debug type "python" is not supported for VS Code (remote explorer)
<p>I get this error message:</p> <pre><code>Configured debug type &quot;python&quot; is not supported for VS Code </code></pre> <p>It happens when running code from the <code>remote explorer</code>.</p> <p>On researching, it is a very similar issue as this problem:</p> <p><a href="https://stackoverflow.com/questions/64...
<python><visual-studio-code><vscode-remote>
2023-04-08 11:25:16
0
6,075
darren
75,964,883
13,300,255
Improve speed when parsing numeric data from big files using Python
<p>I'm reading a viewfactor file generated in Ansys (using VFOPT) and converting it into a 2d array in python. I know that the final viewfactor must be a 6982*6982 array.</p> <p>The viewfactor (file <code>viewfactor.db</code>, going from a few MB up to several GB) is formatted as follows:</p> <pre><code>AnsysΒ ReleaseΒ 2...
<python><performance><loops>
2023-04-08 11:12:21
1
439
man-teiv
75,964,846
964,478
"module has no attribute" in Python C module
<p>I am trying to build <a href="https://bazaar.launchpad.net/%7Eonboard/onboard/trunk/files" rel="nofollow noreferrer">this old project</a> but <code>./setup.py build</code> shows this warning (not sure if related, could be normal):</p> <pre><code>WARNING: the following files are not recognized by DistUtilsExtra.auto:...
<python><python-c-api>
2023-04-08 11:04:38
0
3,827
Alex P.
75,964,805
648,045
Splitting and plotting the values on a python graph
<pre><code> show_id type title director cast country date_added release_year s17 Movie Europe's Most Dangerous Man: Otto Skorzeny in Spain Pedro de Echave García, Pablo Azorín Williams September 22, 2021 2020 </code></pre> <p>Here is a one-row sample as a dict of lists:</p> <pre><code>{'show_id': ['s...
<python><pandas><dataframe><matplotlib>
2023-04-08 10:57:38
2
4,953
logeeks
75,964,791
7,347,925
How to add the occurance number after the selected character in string?
<p>I have a string which contains multiple <code>Q =</code> and the goal is to add the number of occurance after each <code>Q</code>.</p> <p>For example, <code>'Q = 1 t h \n Q = 2 t h \n Q = 3 t h'</code> should be <code>'Q1 = 1 t h \n Q2 = 2 t h \n Q3 = 3 t h'</code></p> <p>Here's my method:</p> <pre><code>import re ...
<python><string>
2023-04-08 10:54:00
3
1,039
zxdawn
75,964,689
7,644,562
Django admin show only current user for User field as ForeignKey while creating and object
<p>I'm working on a Django ( 4.0 +) project, where I have a model named <code>Post</code> in which we have a ForignKey field as <code>Author</code>, a user with <code>is_staff</code> and in <code>Authors</code> group can create an object of <code>Post</code> from admin.</p> <p>Now the problem is when user click on <cod...
<python><django><django-models><django-admin><django-4.0>
2023-04-08 10:30:40
2
5,704
Abdul Rehman
75,964,641
11,416,654
Analyze image similarity
<p>I am trying to check the similarity of n images I saved in an array (composed of 1797 samples, each of which is represented by 64 bits). My goal is to save the L1 distance of each pair of images in an array of size 1797x1797 (note that the method to compute L1 is written below). t the moment I am using the following...
<python><numpy><machine-learning>
2023-04-08 10:18:40
1
823
Shark44
75,964,492
1,581,090
How to decrease the volume of sound using pyaudio?
<p>I am using <code>pyaudio</code> to hear some sound that is in a <code>numpy</code> array <code>samples</code> (<code>python</code> 3.9.6). Using the following code:</p> <pre><code>volume = 0.0002 output_bytes = (volume * samples).tobytes() # for paFloat32 sample values must be in range [-1.0, 1.0] stream = p.open(f...
<python><audio>
2023-04-08 09:47:50
2
45,023
Alex
75,964,453
8,391,698
Why run_t5_mlm_flax.py does not produces model weight file etc?
<p>I was trying to reproduce this Hugging Face tutorial on <a href="https://github.com/huggingface/transformers/tree/main/examples/flax/language-modeling#t5-like-span-masked-language-modeling" rel="nofollow noreferrer"><strong>T5-like span masked-language-modeling</strong></a>.</p> <p>I have the following code <code>to...
<python><nlp><huggingface-transformers><transformer-model><flax>
2023-04-08 09:41:04
0
5,189
littleworth
75,964,405
7,644,562
Django: Add is_staff permission to user inside view based on a condition
<p>I'm working on a Django (4.0+) project,, where I'm using the default <code>User</code> model for login, and a custom form for <code>signup</code>, and I have a Boolean field named: <code>blogger</code> in signup form, if user check this, i have to set <code>is_staff</code> true, otherwise it goes as normal user.</p>...
<python><django><django-views><django-forms><django-4.0>
2023-04-08 09:29:48
2
5,704
Abdul Rehman
75,964,313
7,093,241
Is it possible to use __iter__ in LinkedList __str__ method without try and else?
<p>I wanted to extend <a href="https://stackoverflow.com/questions/39585740/how-can-i-print-all-of-the-values-of-the-nodes-in-my-singly-linked-list-using-a#answer-39585795">karin's answer here</a> where she uses a for loop for loop to print the linked list.</p> <p>I would like to have <code>__str__</code> method that i...
<python><linked-list><singly-linked-list>
2023-04-08 09:09:04
1
1,794
heretoinfinity
75,964,298
11,004,423
Why isn't there __setattribute__ in python?
<p>Python has these methods: <code>__getattr__</code>, <code>__getattribute__</code>, and <code>__setattr__</code>. I know the difference between <code>__getattr__</code> and <code>__getattribute__</code>, <a href="https://stackoverflow.com/questions/3278077/difference-between-getattr-and-getattribute">this</a> thread ...
<python><setattribute><getattr><getattribute>
2023-04-08 09:05:43
1
1,117
astroboy
75,964,231
11,887,333
How can I have equal distance between tick marks on x axis in a matplotlib histogram
<p>I'm trying to plot a histogram from a list of float numbers. Due to the distribution of the floats I use customized bin and log scale to make the graph look better. But the distance between tick marks on x axis is not consistent so every bin is of different width, as is shown in the image below. Like the distance be...
<python><numpy><matplotlib><histogram>
2023-04-08 08:48:02
1
861
oeter
75,964,037
9,108,781
Is it more correct to export bigrams from the bigram model or the trigram model in Gensim?
<p>After I train a bigram model and a trigram model using Gensim, I can export the bigrams from the bigram model. Alternatively, I can export the bigrams from the trigram model. I find that the bigrams from the two models can be quite different. There is a large overlap. But there is a large number appearing in only on...
<python><gensim>
2023-04-08 08:03:52
1
943
Victor Wang
75,963,828
11,098,908
Instantiate objects by their string names and integer values in Python
<p>I have 3 classes as such:</p> <pre><code>class Year1(Student): def action(): ... class Year2(Student): def action(): ... class Year3(Student): def action(): ... </code></pre> <p>How can I instantiate those objects from a list of tuples of their string names and integer values li...
<python><oop><instantiation>
2023-04-08 07:09:44
0
1,306
Nemo
75,963,822
1,581,090
How to resize image data using numpy?
<p>I want to resize image data in python, but a simple <code>numpy.resize</code> does not seem to work.</p> <p>I read the image, and try to resize it using the following script. To check I write the file which results in an unexpected outcome.</p> <pre><code>from PIL import Image import numpy as np # Read image data a...
<python><image><numpy>
2023-04-08 07:08:44
4
45,023
Alex
75,963,638
14,109,040
Scraping a table of data from a pop up dialog using selenium
<p>I am using selenium to scrape flight prices over a range of dates from google flights. I have done the following (with some help from stackoverflow) and opened up the pop up with the grid of flight prices over a range of dates.</p> <pre><code>from selenium import webdriver from selenium.webdriver.common.by import By...
<python><selenium-webdriver>
2023-04-08 06:20:26
1
712
z star
75,963,562
8,845,766
How to format output video/audio name with youtube-dl embed?
<p>I'm writing a python script that downloads videos from a URL using youtube-dl. Here's the code:</p> <pre><code>def downloadVideos(videoURL): ydl_opts = { 'format': 'bestvideo,bestaudio', } with youtube_dl.YoutubeDL(ydl_opts) as ydl: ydl.download([videoURL]) </code></pre> <p>The above meth...
<python><youtube-dl>
2023-04-08 05:58:45
3
794
U. Watt
75,963,303
12,840,065
Resolve function resolving wrong view_name in django
<ul> <li><strong>Django 4.0</strong></li> <li><strong>Python 3.9</strong></li> </ul> <p>I recently upgraded my django project from 3.14 to 4.0 and django.urls.resolve function seems broken. Resolve is always returning app_name.views.view instead of app_name.views.actual_function_name.</p> <p>Here is my code -</p> <pre>...
<python><python-3.x><django><django-rest-framework><django-urls>
2023-04-08 04:27:47
4
983
Arvind Kumar
75,963,302
2,707,864
TypeError: cannot determine truth value of Relational with dict(zip()), only with direct output
<p><strong>EDIT</strong>: The problem only appears when trying to get &quot;direct output&quot; of the result of <code>dict(zip(...</code>. This code, with output via <code>print</code>, works fine</p> <pre><code>import sympy as sp x, y = sp.symbols('x,y') d = dict(zip([x, y], [1, 1])) print(d) </code></pre> <p>but sim...
<python><dictionary><sympy><python-zip>
2023-04-08 04:27:19
1
15,820
sancho.s ReinstateMonicaCellio
75,963,236
3,810,748
Why cant I set TrainingArguments.device in Huggingface?
<h2>Question</h2> <p>When I try to set the <code>.device</code> attribute to <code>torch.device('cpu')</code>, I get an error. How am I supposed to set device then?</p> <h2>Python Code</h2> <pre><code>from transformers import TrainingArguments from transformers import Trainer import torch training_args = TrainingArgum...
<python><pytorch><huggingface-transformers>
2023-04-08 03:58:31
3
6,155
AlanSTACK
75,963,229
14,109,040
Automating filling in input fields and clicking a button using selenium
<p>I am trying to create a flight scraper between two locations using google flights.</p> <p>I have tried the following:</p> <pre><code>from selenium import webdriver if __name__ == &quot;__main__&quot;: driver=webdriver.Chrome() driver.get('https://www.google.com/travel/flights') driver.maximize_window() whe...
<python><selenium-webdriver>
2023-04-08 03:55:45
1
712
z star
75,963,224
7,347,911
SQL Stored procedure display output of RAISE INFO in Python
<p>I have a stored procedure as below, when i run the procedure in DBeaver then i am able to see the output of <code>RAISE INFO</code> in the console, but i want to log the same output when Running from python using <code>cursor.execute('call testing_proc()')</code></p> <p>How can i do that ?</p> <pre><code>CREATE OR R...
<python><sql><stored-procedures><amazon-redshift><display>
2023-04-08 03:51:45
0
404
manoj
75,963,117
12,349,101
Tkinter - Moving the dots on a polyline with three path
<p>Based on a simple Line drawn using <code>canvas.create_line</code>, such as this <a href="https://i.sstatic.net/OL01n.png" rel="nofollow noreferrer">image here</a>, three dots, based on the start, middle, and end of the line are created, <a href="https://i.sstatic.net/6sNAI.png" rel="nofollow noreferrer">example her...
<python><tkinter><polyline>
2023-04-08 03:05:07
1
553
secemp9
75,962,992
310,370
How to modify this script that it can utilize GPU instead of CPU - moviepy > VideoFileClip
<p>I have the following script to split video into chunks and get certain number of chunks. It works good but uses cpu instead of my RTX 3090 GPU</p> <p>How can I make it use GPU in the final render? Thank you so much for answers</p> <pre><code>import math import moviepy.editor as mp import subprocess import sys # De...
<python><moviepy>
2023-04-08 02:11:27
0
23,982
Furkan GΓΆzΓΌkara
75,962,987
6,676,101
functools.singledispatchmethod raises IndexError: tuple index out of range
<p>What is wrong with how I applied the <code>functools.singledispatchmethod</code> decorator?</p> <pre class="lang-python prettyprint-override"><code>import functools class K: @functools.singledispatchmethod def m(self, iobj:object): print(&quot;root&quot;) @m.register def m_from_str(self, is...
<python><python-3.x><decorator><python-decorators><dispatch>
2023-04-08 02:09:33
1
4,700
Toothpick Anemone
75,962,959
11,098,908
Instantiate objects from a list of tuples
<p>How can I instantiate all the classes for <code>Year</code> from a list of tuples <code>(str, int)</code> where <code>str</code> is the name of a class <code>Year</code> and <code>int</code> is their age?</p> <pre><code>class Lesson(): def __init__(self, teacher: Teacher, years: list[tuple[str, int]]) -&gt; None...
<python><list><oop><instance><init>
2023-04-08 01:58:57
1
1,306
Nemo
75,962,909
657,477
Convert LLaMA to ONNX
<p>I am trying to convert LLaMA to ONNX like so:</p> <pre><code>import torch from transformers import AutoModelForCausalLM, AutoTokenizer model_name = &quot;C:/Projects/vicuna-13b-delta-v0&quot; model = AutoModelForCausalLM.from_pretrained(model_name) tokenizer = AutoTokenizer.from_pretrained(model_name) # Make sure ...
<python><pytorch>
2023-04-08 01:38:38
2
15,124
Guerrilla
75,962,602
2,774,589
Pearson correlation coefficient for complex time series
<p>I would like to know how to calculate the Pearson correlation coefficient for two complex time series.</p> <p>Do we simply do <a href="https://i.sstatic.net/NxSQ8.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/NxSQ8.png" alt="enter image description here" /></a></p> <p>Or there is something else?</p>...
<python><cross-correlation><pearson-correlation>
2023-04-07 23:33:22
1
1,660
iury simoes-sousa
75,962,489
19,996,942
Optimizing callstack for a recursive function
<p>I have a node which can generate adjacent members, via <code>node.create_adj_list()</code>, and I need to process a tree or graph with a recursive function, but I had some questions about the memory efficiency. Each node has a list of solutions that I need to gather.</p> <p>Say I have this code, a DFS search:</p> <p...
<python><recursion><memory><depth-first-search>
2023-04-07 23:02:26
0
385
713sean
75,962,385
2,876,983
JSON Normalize with Value as Column
<p>I have the following JSON;</p> <pre><code>{ &quot;data&quot;: [ { &quot;gid&quot;: &quot;1203715497540179&quot;, &quot;completed&quot;: false, &quot;custom_fields&quot;: [ { &quot;gid&quot;: &quot;1203887422469746&quot;, &quot;enabled&quot;: true, &quot;n...
<python><json><pandas><json-normalize>
2023-04-07 22:36:31
1
321
user2876983
75,962,276
10,099,689
How to TDD with Internet-Dependency in Python?
<p>I need to make sure that I have a <strong>function</strong> that can <strong>download zip files</strong> from a <strong>list of links</strong> and write the file into the &quot;zip_files/&quot; folder.</p> <p>I am dependent on the outside webpage for the links and zip files!</p> <pre><code>Since you: - shouldn't moc...
<python><unit-testing><tdd>
2023-04-07 22:09:07
2
1,179
Martin MΓΌsli
75,962,228
2,687,317
Create pandas dataframe from sets of series where there are many repeated columns
<p>I have some data in a csv file that I need to summarize in a DataFrame. The new df will be based on a time (LFrame) that increments monotonically, but repeats in the csv since there are several records associated with that time step. Many of these simply repeat, but several csv records are unique and I either sum va...
<python><pandas>
2023-04-07 22:00:13
1
533
earnric
75,962,182
3,621,575
How to take the name of a parameter variable as a string (within a function) in python
<p>I plan to create a function and run the function with several data sets.</p> <p>I would like to add a column with values for each record of the name of the data set, based on the name of the data frame passed as a parameter.</p> <p>I have an example here that creates a column with values of the argument <code>argume...
<python>
2023-04-07 21:48:31
2
581
windyvation
75,962,147
5,858,752
Can you set the column of a dataframe to be a reference of another column in the same dataframe?
<p>I don't know if this can be done.</p> <p>For context, I have a dataframe <code>df</code>, with columns <code>modified</code> and <code>unmodified</code>. Depending on an user input flag, <code>use_modified</code>, I may want to use a modified or unmodified column to do some computations. The computations occur in a ...
<python><pandas><dataframe>
2023-04-07 21:42:09
2
699
h8n2
75,962,130
8,115,653
creating a .csv from a combination of strings and panas dfs
<p>my <code>.csv</code> with multiple blocks need to follow this format (1 block sample):</p> <p><a href="https://i.sstatic.net/xcdSV.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/xcdSV.png" alt="enter image description here" /></a></p> <p>so trying to do it in pandas and then write to csv. The problem...
<python><pandas><dataframe><csv>
2023-04-07 21:40:28
1
1,117
gregV
75,962,020
357,024
Psycopg3 selecting null values
<p>I have started migrating some Python code from using psycopg2 to pscopyg3. It appears there is a change in how null values are accepted as query parameters in the newer version. Based on a read of the <a href="https://www.psycopg.org/psycopg3/docs/basic/params.html" rel="nofollow noreferrer">documentation</a> for th...
<python><psycopg3>
2023-04-07 21:20:23
1
61,290
Mike
75,961,902
9,279,753
Change index column to real column in pandas
<p>I had an original DataFrame that looked like this:</p> <pre class="lang-py prettyprint-override"><code> column0 column2 0 0 SomethingSomeData1MixedWithSomeData2 1 something SomeMoreDataWithSomeData3 2 whatever SomeData4 </code></pre> <p>F...
<python><pandas><dataframe>
2023-04-07 20:59:25
2
599
Jose Vega
75,961,881
5,500,634
Automate Outlook and Send Email on Mac with Python
<p>I am working on writing a Python script for automate Outlook email in Mac.</p> <p>From the early Stackoverflow article: <a href="https://stackoverflow.com/questions/61529817/automate-outlook-on-mac-with-python">Automate Outlook on Mac with Python</a>, the code works to show Outlook email with attachment, but I need ...
<python><python-3.x><macos><email><outlook>
2023-04-07 20:55:06
0
489
TripleH
75,961,781
13,916,049
Match column names to column values in another dataframe and get corresponding column value
<p>If <code>df.columns</code> match <code>map[&quot;query&quot;]</code>, I want to replace <code>df.columns</code> with the corresponding <code>map[&quot;symbol&quot;]</code>.</p> <pre><code>import pandas as pd df = df.T.loc[df.columns.isin(map[&quot;query&quot;])].T df.columns = map[&quot;symbol&quot;] df= df[df.colu...
<python><pandas><dataframe>
2023-04-07 20:39:10
1
1,545
Anon
75,961,719
8,372,455
pandas make dummys on small datasets
<p>Can someone help me with this function to make dummies:</p> <pre><code>def make_dummies(df): # Create dummies for all hours of the day hours = pd.get_dummies(df.index.hour, prefix='hour') # Create columns for hour, day of week, weekend, and month df['hour'] = df.index.strftime('%H') df['day_of_w...
<python><pandas>
2023-04-07 20:26:13
2
3,564
bbartling
75,961,657
1,672,565
Make a generator yield "to two different places/branches" without recomputing its state(s)?
<p>I am sometimes building stuff similar to computational graphs using &quot;simple&quot; Python generators or generator comprehensions, for example:</p> <pre class="lang-py prettyprint-override"><code># example 1 w1 = lambda v: v ** 2 # placeholder for expensive operation w2 = lambda v: v - 3 # placeholder for expe...
<python><graph><generator>
2023-04-07 20:14:02
1
3,789
s-m-e
75,961,628
6,357,916
Python neither logging to console nor to file
<p>I have following code in <a href="https://colab.research.google.com/drive/1VA8EStfjt9KnK46WumF5AhURbcW7pPGl?usp=sharing" rel="nofollow noreferrer">my colab notebook</a>:</p> <pre><code># Cell 1 import logging # Cell 2 class MyClass: def __init__(self): self.configureLogger() self.fileLogger.info('info lo...
<python><python-3.x><python-logging>
2023-04-07 20:07:57
1
3,029
MsA
75,961,601
4,912,515
Pytest: Nested Parametrization
<p>I am using python to compile code for a system in a different language (verilog) and test them. with inputs. My system has a few compile-time and few runtime parameters. I'm currently doing this:</p> <pre><code>@pytest.mark.parametrize(&quot;C1&quot;, [3,2]) # compile time @pytest.mark.parametrize(&quot;C2&quot;, [8...
<python><pytest>
2023-04-07 20:03:22
2
493
Abarajithan
75,961,454
12,233,973
pytest run using threads causes future tests to fail
<p>I have a <code>pytest</code> class that sets up a server in a separate thread before each tests via <code>setUp()</code> like this:</p> <pre><code>def setUp(self): host = &quot;localhost&quot; port = 13620 scheme = &quot;grpc+tcp&quot; location = &quot;{}://{}:{}&quot;.format(scheme, host, port) ...
<python><python-3.x><multithreading><testing><pytest>
2023-04-07 19:35:05
0
512
c_sagan
75,961,092
3,136,710
Piet Mondrian style painting using Turtle graphics and recursion
<p>My Python exercise states the following:</p> <blockquote> <p>The twentieth-century Dutch artist Piet Mondrian developed a style of abstract painting that exhibited simple recursive patterns. To generate such a pattern with a computer, one would begin with a filled rectangle in a random color and then repeatedly fill...
<python><recursion><turtle-graphics><python-turtle>
2023-04-07 18:29:06
0
652
Spellbinder2050
75,961,071
1,442,881
Pickled pandas DF exceeds maximum recursion depth
<p>Unlike <a href="https://stackoverflow.com/questions/23261911/pandas-to-pickle-error-maximum-recursion-depth-exceeded">this other question</a>, I am able <code>to_pickle()</code> my dataframe just fine. I've pulled a bunch of data from Twitter's API and data-framed it for analysis. I successfully pickled the datafram...
<python><pandas><pickle>
2023-04-07 18:26:04
1
918
Ryan
75,961,021
18,157,326
ERROR: Could not find a version that satisfies the requirement onnxruntime==1.14.1 (from versions: none)
<p>I have read the onnxruntime <a href="https://onnxruntime.ai/docs/get-started/with-python.html" rel="nofollow noreferrer">official document</a> and found it support Python 3.6 - 3.9. then I changed the docker base image to <code>python:3.8.16-alpine3.17</code> , but still show error like this:</p> <pre><code>Collecti...
<python><docker>
2023-04-07 18:18:09
1
1,173
spark
75,961,016
4,629,916
In pyspark, (or SQL) can I use the value calculated in the previous observation in the current observation. (rowwise calculation) (Like SAS Retain)
<p>I want to be able to consecutively go through a table using the value calculated in the previous row in the current row. It seems a window function could do this.</p> <pre><code>from pyspark.sql import SparkSession from pyspark.sql import Window import pyspark.sql.functions as F # Create a sample DataFrame data = [...
<python><pyspark><rowwise><spark-window-function>
2023-04-07 18:17:22
0
1,522
Harlan Nelson
75,960,997
2,657,491
Python pyreadstat name 'row' is not defined
<p>I'm adapting this code from this thread: <a href="https://stackoverflow.com/questions/58612304/reading-huge-sas-dataset-in-python">Reading huge sas dataset in python</a></p> <p>When I test run with my own dataset :</p> <pre><code>filename = 'df_53.SAS7BDAT' CHUNKSIZE = 50000 offset = 0 # Get the function object in a...
<python>
2023-04-07 18:15:04
0
841
lydias
75,960,672
8,484,885
GraphQL using a for loop in within the search query
<p>Because Yelp limits the output of businesses to 50, I'm trying to loop through the Census block centroid longitudes and latitudes of San Diego to get all the different businesses (which I want for a project). However, the query does not seem to accept anything that is not strictly numeric. Am I missing something?</p...
<python><graphql><yelp-fusion-api>
2023-04-07 17:24:14
1
589
James
75,960,609
8,204,956
create consistant department name and code
<p>I have a department model in django:</p> <pre><code>from django.db import models class Departement(models.Model): name = models.CharField(max_length=128, db_index=True) code = models.CharField(max_length=3, db_index=True) </code></pre> <p>I'd like to create a fixture with factory_boy with a consistent depar...
<python><django><factory-boy>
2023-04-07 17:14:10
2
938
RΓ©mi Desgrange
75,960,606
18,157,326
is it possible to install python numba in python alpine image
<p>I am install python3 numba packages in GitHub actions, but the install process show error:</p> <pre><code>Collecting numba==0.56.4 Downloading numba-0.56.4.tar.gz (2.4 MB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 2.4/2.4 MB 59.8 MB/s eta 0:00:00 Preparing metadata (setup.py): started Preparing metadata (s...
<python><alpine-linux>
2023-04-07 17:13:23
1
1,173
spark
75,960,578
713,200
How to set data into a complex json dictionary in python?
<p>Basically I need to set data into a JSON API Payload before I need to send it in the API request. I have 2 files,</p> <ol> <li>text file which has JSON payload format, say json.txt</li> <li>yml file which has actual data, say tdata.yml Im writing a python code to create actual payload by inserting data from yml file...
<python><arrays><json><python-3.x><dictionary>
2023-04-07 17:09:06
3
950
mac
75,960,564
3,484,568
Custom package installation fails
<p>I want to allow my Jupyter notebooks to import custom Python modules. To this end, I attempt to install a package whose modules I can import, for example, through <code>from projectmnemonic import test</code>.</p> <p>My library's source code directory has the following structure:</p> <pre class="lang-none prettyprin...
<python><jupyter-notebook><setuptools><setup.py><python-packaging>
2023-04-07 17:06:46
2
618
Jhonny
75,960,498
19,130,803
Docker pass dynamic directory name to WORKDIR
<p>I have python project and trying to dockerize it. The usecase is as below User create a parent directory eg <code>titanic</code> and checkout the <code>github repo</code>. The project structure becomes like this</p> <ul> <li>titanic/ <ul> <li>src/</li> <li>Dockerfile</li> <li>docker-compose.yml</li> <li>.env</li> </...
<python><docker>
2023-04-07 16:59:00
1
962
winter
75,960,479
6,075,349
Pandas dataframe multiple and sum row wise
<p>I have a pandas df of the following format</p> <pre><code> Market ID Col1 Col2 Col3 Price Sum_Price USA 100 0.49 0.5 0.5 100 149 EU 200 0.25 0.25 0.75 100 125 </code></pre> <p>Essentially <code>Sum_Price</code> is equal to <code>(Col1*Price+Col2...
<python><pandas>
2023-04-07 16:57:27
1
1,153
FlyingPickle
75,960,438
6,156,353
Airflow - get value at specific index of the task output
<p>I have a PythonOperator task in Airflow that outputs e.g. <code>['instance-id', 128.2.4.33]</code> and in the downstream task I reference this task' output using dynamic task mapping by <code>expand</code> and I reference the output like <code>upstream_python_task.output</code>, however this gives me the entire list...
<python><airflow>
2023-04-07 16:52:16
0
1,371
romanzdk
75,960,383
1,383,378
Module not found when using CDK Python Layer
<p>I am very new to AWS CDK development. I am trying to run some simple layer python code in a Lambda.</p> <p>My directory structure looks like the following:</p> <p><a href="https://i.sstatic.net/1ZVsJ.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/1ZVsJ.png" alt="enter image description here" /></a></...
<python><amazon-web-services><aws-cdk><aws-lambda-layers>
2023-04-07 16:44:33
1
633
LoreV
75,960,339
572,575
Selenium cannot click in webpage using CSS_SELECTOR
<p>I want to click this button in facebook for show all comment <a href="https://i.sstatic.net/rpsrp.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/rpsrp.png" alt="enter image description here" /></a></p> <p>I use this code to login and open url</p> <pre><code>from selenium import webdriver from seleniu...
<python><selenium-webdriver>
2023-04-07 16:38:16
1
1,049
user572575
75,960,166
8,350,440
No module named `foo` - when foo.exe built from foo.py, imports bar which imports foo
<p>I built a tkinter application (let's call it <code>foo.py</code>) and packaged it as a onefile executable (<code>foo.exe</code>). Within <code>foo.py</code>, there is a function (<code>func_load_scripts</code>) that uses <code>importlib.import_module()</code> to import all <code>.py</code> files in a specific folder...
<python><pyinstaller><python-importlib>
2023-04-07 16:12:24
0
881
Ji Wei
75,960,142
1,714,692
Bazel genrule python import from a script in different directory
<p>I have a Bazel <code>native.genrule</code> that calls a python script to generate a file. In the working configuration my files are the following:</p> <p>Python script:</p> <pre><code>## test/sub1/test_python_script.py def test_python_import(): print(&quot;this is a function to test function import&quot;) if _...
<python><bazel><bazel-genrule>
2023-04-07 16:08:28
1
9,606
roschach
75,960,119
4,560,996
How Can I Efficiently Create Pandas DataFrame from Uneven Text Lists
<p>I have some data collected over a loop that results in some text organized as lists.</p> <p>In the example below, the string of <code>out1[0]</code> is related to the many strings in <code>out2[0]</code> and the string in <code>out1[1]</code> is related to the single string in <code>out2[1]</code>.</p> <p>I'd like t...
<python><pandas>
2023-04-07 16:04:44
1
827
dhc
75,960,018
16,512,200
PyQt5 Font sizes scaled larger than expected after changing screen resolution
<p>I'm using PyQt5 to create a login window. The window showed all the font at a normal size before I got a new laptop, now this laptop has a much higher resolution for the monitor. I'm struggling to get the size of the text back to normal.</p> <p><a href="https://i.sstatic.net/3QV97.png" rel="nofollow noreferrer"><img...
<python><user-interface><fonts><pyqt5>
2023-04-07 15:53:09
1
371
Andrew
75,960,017
10,511,518
Invalid bucket name: gcsfs.retry.HttpError: Invalid bucket name: 'None', 400
<p>I have built an API using FastAPI to retrieve data from a bucket in Google Cloud Storage. I tested the API locally with swagger and Postman (to double check), and it worked fine, but when I containerize it with docker, I get an Invalid bucket name: &quot;None&quot;, 400 error.</p> <p>Here's the code...</p> <pre><cod...
<python><docker><google-cloud-storage><fastapi>
2023-04-07 15:53:06
1
351
Kurtis Pykes
75,959,989
4,225,430
How to identify more than one mode in this python pandas code on dataframe?
<p>I found a problem in completing this python pandas exercise. I am asked to write a pandas program to display most frequent value in a random series and replace everything else as 'Other' in the series.</p> <p>I can't do it in a series but kind of OK in a dataframe. The code is shown below. My problem is: I can only ...
<python><pandas><dataframe><frequency><mode>
2023-04-07 15:49:37
1
393
ronzenith
75,959,969
14,154,784
Django Crispy Forms Cancel Button That Sends User Back A Page
<p>I have a Django Crispy Form that I want to add a cancel button to. Unlike the answers <a href="https://stackoverflow.com/questions/26298332/django-crispy-forms-custom-button">here</a> and <a href="https://stackoverflow.com/questions/33680908/how-to-redirect-to-url-by-cancel-button-in-django-crispy-forms">here</a>, h...
<javascript><python><html><django><django-crispy-forms>
2023-04-07 15:47:12
1
2,725
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