QuestionId
int64
74.8M
79.8M
UserId
int64
56
29.4M
QuestionTitle
stringlengths
15
150
QuestionBody
stringlengths
40
40.3k
Tags
stringlengths
8
101
CreationDate
stringdate
2022-12-10 09:42:47
2025-11-01 19:08:18
AnswerCount
int64
0
44
UserExpertiseLevel
int64
301
888k
UserDisplayName
stringlengths
3
30
βŒ€
75,158,662
4,061,181
Comparing two timezone-aware datetimes
<p>Most probably, this question is asked hundred times, but I couldn't still find the answer. I have the following code:</p> <pre><code>import pytz import datetime from pytz import timezone tz_moscow = timezone('Europe/Moscow') tz_yerevan = timezone('Asia/Yerevan') dt1 = tz_yerevan.localize(datetime.datetime(2011, 7,...
<python><datetime><timezone>
2023-01-18 11:37:19
1
4,541
Edgar Navasardyan
75,158,580
2,531,140
python setup.py egg_info did not run successfully when building on Docker now
<p>It built fine before.</p> <p>I did no change for when it still worked before.</p> <p>Here are its final moments before dying.</p> <p>As you can see, it dies on installing measurement.</p> <p>Here is Docker code partial:</p> <pre><code># Install Python dependencies COPY requirements.txt /app/ WORKDIR /app #RUN pip in...
<python><python-3.x><docker>
2023-01-18 11:30:59
1
919
Mark Lopez
75,158,485
17,561,414
reading files from path with wildcard does not work - Databricks JSON
<p>trying to read a JSON file from databricks with the following code</p> <pre><code> with open('/dbfs/mnt/bronze/categories/20221006/data_10.json') as f: d = json.load(f) </code></pre> <p>which works perfecyl but problem is that I would like to use the wild cards since there are multiple folders and files. Prefer...
<python><json><databricks>
2023-01-18 11:23:06
1
735
Greencolor
75,158,484
19,716,381
Assign values to multiple columns using DataFrame.assign()
<p>I have a list of strings stored in a pandas dataframe <code>df</code>, with column name of text (i.e. <code>df['text']</code>). I have a function <code>f(text: str) -&gt; (int, int, int)</code>. Now, I want to do the following.</p> <pre><code>df['a'], df['b'], df['c'] = df['text'].apply(f) </code></pre> <p>How can I...
<python><pandas><dataframe>
2023-01-18 11:23:02
1
484
berinaniesh
75,158,465
2,304,575
Saving large sparse arrays in hdf5 using pickle
<p>In my code I am generating a list of large sparse arrays that are in <code>csr</code> format. I want to store these arrays to file. I was initially saving them to file in this way:</p> <pre><code>from scipy.sparse import csr_matrix import h5py As = [ csr_matrix([[1, 2, 0], [0, 0, 3], [4, 0, 5]]), csr_matrix(...
<python><arrays><pickle><h5py>
2023-01-18 11:21:42
2
692
Betelgeuse
75,158,382
4,196,709
How to call .cpp function inside p4python script?
<p>My job: I want to create a python script that changes the content of a file automatically and then commit the change in Perforce.</p> <p>Because the file at first is read-only. So I need to create a python script which</p> <ol> <li>check out the file (in order to edit it)</li> <li>call UpdateContent.cpp to change th...
<python><c++><perforce><p4python>
2023-01-18 11:15:24
1
648
gnase
75,158,376
4,321,525
scipy.optimize.minimize SLSQP indirect constraints problem
<p>I am struggling with <code>minimize</code> (<code>method=SLSQL</code>) and need help. This is a simplified car battery (dis)charging problem to prop up the power grid during reduced stability (peak demand). What I expect to happen is that during such instability, the battery gets discharged as much as possible when ...
<python><linear-programming><scipy-optimize-minimize>
2023-01-18 11:14:52
1
405
Andreas Schuldei
75,158,299
6,212,530
Django Rest Framework SimpleRouter inclusion inserts ^ into url pattern
<p>I have DRF application with urls defined using <code>SimpleRouter</code>.</p> <pre><code># project/app/urls.py: from rest_framework.routers import SimpleRouter from .viewsets import ExampleViewset, TopViewset router = SimpleRouter() router.register(r&quot;example/&quot;, ExampleViewSet, basename=&quot;example&quo...
<python><django-rest-framework>
2023-01-18 11:08:48
1
1,028
Matija Sirk
75,158,264
10,753,968
Difference between multiprocessing and concurrent libraries?
<p>Here's what I understand:</p> <p>The <code>multiprocessing</code> library uses multiple cores, so it's processing in parallel and not just simulating parallel processing like some libraries. To do this, it overrides the Python GIL.</p> <p>The <code>concurrent</code> library doesn't override the Python GIL and so it ...
<python><concurrency><multiprocessing>
2023-01-18 11:05:49
2
2,112
half of a glazier
75,158,238
19,009,577
How to get multiprocessing.Pool().starmap() to return iterable
<p>Im trying to construct a dataframe from the inputs of a function as well as the output. Previously I was using for loops</p> <pre><code>for i in range(x): for j in range(y): k = func(i, j) (Place i, j, k into dataframe) </code></pre> <p>However the range was quite big so I tried to speed it up wi...
<python><multiprocessing><python-multiprocessing>
2023-01-18 11:03:27
1
397
TheRavenSpectre
75,158,198
12,231,454
Test validate_unique raises ValidationError Django forms
<p>I have a ModelForm called SignUpForm located in myproj.accounts.forms</p> <p>SignUpForm overrides Django's validate_unique so that the 'email' field is excluded from 'unique' validation as required by the model's unique=True (this is dealt with later in the view). Everything works as expected.</p> <p>I now want to t...
<python><django><django-forms><python-unittest><django-unittest>
2023-01-18 10:59:58
1
383
Radial
75,158,187
10,437,727
Python unittest mocking not working as expected
<p>I got this project structure:</p> <pre><code>my_project β”œβ”€β”€ __init__.py β”œβ”€β”€ app.py β”œβ”€β”€ helpers β”‚ └── __init__.py └── tests β”œβ”€β”€ __init__.py β”œβ”€β”€ integration β”‚ β”œβ”€β”€ __init__.py β”‚ └── test_app.py └── unit β”œβ”€β”€ __init__.py └── test_helpers.py </code></pre> <p>So far, unit testing ...
<python><unit-testing><integration-testing><python-unittest>
2023-01-18 10:58:58
1
1,760
Fares
75,158,146
3,623,723
How to convert a structured numpy array to xarray.DataArray?
<p>I have a structured numpy array, containing sampled data from several measurement series: Each series samples <code>m</code> as a function of <code>l</code>, and differs from the other series by <code>a</code>. l is not sampled at constant values, and there is a different number of samples per series, so we can't ju...
<python><numpy><python-xarray>
2023-01-18 10:56:06
0
3,363
Zak
75,158,097
1,421,907
Is it possible to use Python Mixed Integer Linear programming to get all solutions in an interval?
<p>I have a linear problem to solve looking for integer numbers. I found a way to solve it using the new <a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.milp.html" rel="nofollow noreferrer">milp</a> implementation in spicy. Hereafter is a demonstration code.</p> <p>The problem is the follow...
<python><scipy><scipy-optimize><mixed-integer-programming>
2023-01-18 10:51:59
1
9,870
Ger
75,158,015
9,212,995
How can additional visibility options be added to the CKAN form for data records?
<p>I'm wondering if there is a straightforward way to change the CKAN dataset form. I would be interested in <strong>adding extra visibility options</strong> than <strong>public</strong> and <strong>private</strong>: that is to say;</p> <ol> <li>Public</li> <li>Private</li> <li>Sub Project</li> <li>Project</li> <li>Org...
<python><jinja2><ckan>
2023-01-18 10:45:06
1
372
Namwanza Ronald
75,158,000
997,832
`Tensor' object has no attribute 'numpy' Error
<p>I'm trying to apply a Lambda function to convert tensor values. I need to get the tensor values in numpy array. I'm trying <code>.numpy()</code> method but it gives <code>'Tensor' object has no attribute 'numpy'</code> error. I added configurations for running the tensor functions eagerly but I'm not sure if it work...
<python><tensorflow><deep-learning>
2023-01-18 10:44:22
1
1,395
cuneyttyler
75,157,892
12,883,297
Create a new column which calculates the difference between last value and the first value of time column at groupby level in pandas
<p>I have a dataframe</p> <pre><code>df = pd.DataFrame([[&quot;A&quot;,&quot;9:00 AM&quot;],[&quot;A&quot;,&quot;11:12 AM&quot;],[&quot;A&quot;,&quot;1:03 PM&quot;],[&quot;B&quot;,&quot;9:00 AM&quot;],[&quot;B&quot;,&quot;12:56 PM&quot;],[&quot;B&quot;,&quot;1:07 PM&quot;], [&quot;B&quot;,&quot;1:18 ...
<python><python-3.x><pandas><dataframe><datetime>
2023-01-18 10:35:25
2
611
Chethan
75,157,791
17,788,573
AttributeError: 'NoneType' object has no attribute 'glfwGetCurrentContext'
<p>I'm trying a tutorial on Reinforcement learning wherein I'm currently trying to use gymnasium, mujoco, to train agents. I've installed mujoco and when I try to run the program, the sim window opens for a second and throws this error. Idk what I'm doing wrong.</p> <pre><code>import gymnasium as gym import stable_base...
<python><reinforcement-learning><mujoco>
2023-01-18 10:29:00
2
311
Vaikruta
75,157,585
8,916,474
Tox installing external libraries in tox env not from requirements.txt
<p>I use windows. My tox.ini:</p> <pre><code>[tox] envlist = docs min_version = 4 skipsdist = True allowlist_externals = cd passenv = HOMEPATH PROGRAMDATA basepython = python3.8 [testenv:docs] changedir = docs deps = -r subfolder/package_name/requirements.txt commands = bash -c &quot;cd ../subfolde...
<python><tox>
2023-01-18 10:09:50
2
504
QbS
75,157,501
9,452,512
How to access the previous item calculated in a list comprehension?
<p>when I create a list, I use the one-liner</p> <pre class="lang-py prettyprint-override"><code>new_list = [func(item) for item in somelist] </code></pre> <p>Is there a simple way to write the following <em>iteration</em> in one line?</p> <pre class="lang-py prettyprint-override"><code>new_list = [0] for _ in range(N)...
<python><python-3.x>
2023-01-18 10:03:07
2
1,473
Uwe.Schneider
75,157,428
16,852,041
redis.exceptions.DataError: Invalid input of type: 'dict'. Convert to a bytes, string, int or float first
<p>Goal: store a <code>dict()</code> or <code>{}</code> as the value for a key-value pair, to <code>set()</code> onto <strong>Redis</strong>.</p> <p>Code</p> <pre><code>import redis r = redis.Redis() value = 180 my_dict = dict(bar=value) r.set('foo', my_dict) </code></pre> <pre><code>redis.exceptions.DataError: Inv...
<python><python-3.x><serialization><redis><byte>
2023-01-18 09:58:14
1
2,045
DanielBell99
75,157,367
11,945,144
cross validation in pipeline python
<p>I have this pipeline:</p> <pre><code> pipe = Pipeline(steps=[ (&quot;fasttext&quot;, FastTextVectorTransformer()), (&quot;umap&quot;,umap_skl(n_components=8)), (&quot;classifier&quot;, HistGradientBoostingClassifier())]) pipe.fit(X_train, y_train) print(f'Fbeta_score:{fbeta_score(y[test_index], pipe.predict(X[test_i...
<python><pipeline><cross-validation>
2023-01-18 09:53:12
0
343
Maite89
75,157,339
19,238,204
I want to Plot Circle and its Solid Revolution (Sphere) but get Error: loop of ufunc does not support argument 0 o
<p>I have add the assumption of nonnegative for variables <code>x</code> and <code>r</code> so why I can't plot this?</p> <p>this is my code:</p> <pre><code># Calculate the surface area of y = sqrt(r^2 - x^2) # revolved about the x-axis import matplotlib.pyplot as plt import numpy as np import sympy as sy x = sy.Symb...
<python><sympy>
2023-01-18 09:50:15
1
435
Freya the Goddess
75,157,264
498,504
incompatible input layer size error in a Cat Dog Classification CNN model
<p>I'm writing a simple CNN model to Classification Cat and Dog picture from a local directory named <code>train</code>.</p> <p>Below are the codes that I have written so far:</p> <pre><code>import numpy as np import cv2 as cv import tensorflow.keras as keras import os from sklearn.preprocessing import LabelEncoder fro...
<python><tensorflow><keras>
2023-01-18 09:45:45
1
6,614
Ahmad Badpey
75,157,153
7,800,760
Always include set of packages when creating a new conda environment
<p>Everytime I create a new conda environment I need to:</p> <ol> <li>Always include black pylint pytest packages in addition to the project's specific ones</li> <li>Always create three subdirectories: data, tests and a third with the environment's name</li> <li>(optionally) create a corresponding new GitHub repo</li> ...
<python><conda>
2023-01-18 09:36:27
0
1,231
Robert Alexander
75,157,090
11,279,170
Fill NAs : Min of values in group
<p>Here is my DataFrame.</p> <pre><code>df = pd.DataFrame ( {'CNN': ['iphone 11 63 GB TMO','iphone 11 128 GB ATT','iphone 11 other carrier','iphone 12 256 GB TMO','iphone 12 64 GB TMO','iphone 12 other carrier'], 'Family Name':['iphone 11', 'iphone 11', 'iphone 11', 'iphone 12', 'iphone 12'...
<python><pandas><fillna>
2023-01-18 09:31:10
3
631
DSR
75,156,952
6,653,602
Migrate django database to existing one
<p>So I am using Django with mysql database (most basic tables, like auth, user, admin and few custom models) but I need to migrate those tables with data to a existing PostgreSQL database. The issue is that there are tables created there already. Should I create additional models in the models.py file for those models...
<python><django><postgresql><django-models>
2023-01-18 09:19:32
1
3,918
Alex T
75,156,877
3,004,698
Access CosmosDB Data from Azure App Service by using managed identity (Failed)
<p>A FastAPI-based API written in Python has been deployed as an Azure App Service. The API needs to read and write data from CosmosDB, and I attempted to use Managed Identity for this purpose, but encountered an error, stating <code>Unrecognized credential type</code></p> <p>These are the key steps that I took towards...
<python><terraform><azure-web-app-service><azure-cosmosdb><azure-managed-identity>
2023-01-18 09:12:29
1
5,152
SLN
75,156,728
3,672,883
Pyreverse dont take relationship when I type data like List[class]
<p>Hello I have the following clas</p> <pre><code>class Page(BaseModel): index_page:int content:str class Book(BaseModel): name:str pages: List[Page] = [] </code></pre> <p>The problem is that when I execute pyreverse it isn't set the relationship between Book and Page</p> <p>But if I change the class B...
<python><uml><pylint><pyreverse>
2023-01-18 08:57:15
0
5,342
Tlaloc-ES
75,156,644
10,583,765
Django Ninja API schema circular import error
<p>I have <code>UserSchema</code>:</p> <pre class="lang-py prettyprint-override"><code># users/models.py class User(AbstractUser): ... # users/schemas.py from typing import List from tasks.schemas import TaskSchema class UserSchema(ModelSchema): tasks: List[TaskSchema] = [] class Config: model =...
<python><django><django-ninja>
2023-01-18 08:49:05
1
2,143
Swix
75,156,551
7,800,760
Finding on which port a given server is running within python program
<p>I am developing a python 3.11 program which will run on a few different servers and needs to connect to the local Redis server. On each machine the latter might run on a different port, sometimes the default 6379 but not always.</p> <p>On the commandline I can issue the following command which on both my Linux and M...
<python><linux><macos><network-programming><tcp>
2023-01-18 08:39:23
1
1,231
Robert Alexander
75,156,511
3,826,362
Pandas - sort_values by combining multiple columns
<p>Assume file <code>sizes.txt</code> with the following content:</p> <pre><code>Sig Sta FP Method Size 10 10 100 array 108 10 10 100 csr-heur 130 10 10 100 list 220 10 10 15 array 108 10 10 15 csr-heur 45 10 10 15 list 50 10 10 25 array 108 10 10 25 csr-heur 62 10 10 25 list 70 10 10 50 array 108 10 10 50 csr-heur 95 ...
<python><pandas><dataframe><sorting>
2023-01-18 08:35:18
0
1,121
JΔ™drzej Dudkiewicz
75,156,434
10,829,044
Drop duplicate lists within a nested list value in a column
<p>I have a pandas dataframe with nested lists as values in a column as follows:</p> <pre><code>sample_df = pd.DataFrame({'single_proj_name': [['jsfk'],['fhjk'],['ERRW'],['SJBAK']], 'single_item_list': [['ABC_123'],['DEF123'],['FAS324'],['HSJD123']], 'single_i...
<python><pandas><list><dataframe><group-by>
2023-01-18 08:28:41
2
7,793
The Great
75,156,360
19,920,392
Why Popen.communicate returns the satus of another subprocess.Popen?
<p>I have codes that starts Django server and React server at the same time.<br /> Here are the codes:<br /> <strong>back_server.py</strong></p> <pre><code>import os import subprocess def run_server(): current_dir = os.getcwd() target_dir = os.path.join(current_dir, 'marketBack/BackServer') subprocess.Pop...
<python><reactjs><django><subprocess>
2023-01-18 08:21:18
0
327
gtj520
75,156,323
13,476,175
Pickle AttributeError: Can't get attribute 'EnsembleModel' on <module '__main__' from '<input>'>
<p>I've written a custom class to represent an ensemble model, and I want to pickle it for later usage. Here is how I construct the model and save the object using pickle:</p> <pre class="lang-py prettyprint-override"><code>import pickle from typing import Any class EnsembleModel: def __init__(self, estimators: L...
<python><python-asyncio><pickle>
2023-01-18 08:18:10
1
875
frisko
75,156,182
11,520,576
Is there any efficient way both getting 'max' and 'argmax' with a multi-dimensional array
<p>I have an array <code>a</code> with shape (18,4096,4096).</p> <p>And I want to do like these:</p> <pre class="lang-py prettyprint-override"><code>max_value = np.max(a,0) index = np.argmax(a,0) </code></pre> <p><code>max_value </code> and <code>index</code> are both array with shape (4096, 4096), and I think calling ...
<python><numpy>
2023-01-18 08:03:52
1
327
YD Zhou
75,156,148
19,500,571
Plotly Dash (Python): Data is loaded twice upon start
<p>I'm building a dashboard in Dash, where I want to visualie a dataset that I load at the start of the dashboard. As this dataset is to be used by all methods in the dashboard, I keep it in a singleton class.</p> <p>The issue is though that the data is loaded twice when I start the dashboard (&quot;generated&quot; is ...
<python><plotly-dash><dashboard>
2023-01-18 08:00:48
0
469
TylerD
75,155,799
15,781,591
How to select dataframe in dictionary of dataframes that contains a column with specific substring
<p>I have a dictionary of dataframes <code>df_dict</code>. I then have a substring &quot;blue&quot;. I want to identify the name of the dataframe in my dictionary of dataframes that has at least one column that has a name containing the substring &quot;blue&quot;.</p> <p>I am thinking of trying something like:</p> <pre...
<python><pandas><dataframe><dictionary><substring>
2023-01-18 07:22:26
1
641
LostinSpatialAnalysis
75,155,659
17,267,064
How to sort list of dictionaries by value without using built in functions via Python?
<p>I wish to sort below list of dictionaries by age key into ascending order without using any built in functions.</p> <pre><code>[{'Name': 'Alpha', 'Age': 14}, {'Name': 'Bravo', 'Age': 21}, {'Name': 'Charlie', 'Age': 12}] </code></pre> <p>I wish to have below output.</p> <pre><code>[{'Name': 'Charlie', 'Age': 12}, {'N...
<python><dictionary>
2023-01-18 07:04:08
0
346
Mohit Aswani
75,155,652
14,045,537
Pandas replace values if value isin dictionary of key and values as list
<p>I do realize this has already been addressed here (e.g., <a href="https://stackoverflow.com/q/72185441/14045537">pandas: replace column value with keys and values in a dictionary of list values</a>, <a href="https://stackoverflow.com/q/46432315/14045537">Replace column values by dictionary keys if they are in dictio...
<python><pandas><dataframe><dictionary>
2023-01-18 07:02:55
1
3,025
Ailurophile
75,155,423
19,106,705
'OMP: Error #179' when using hugging face BERT
<p>I simply tried running this code.</p> <pre class="lang-py prettyprint-override"><code>from transformers import BertForSequenceClassification, BertTokenizer </code></pre> <p>with this command. For 'GPU_ID' I used my GPU UUID, which wasn't wrong.</p> <pre><code>CUDA_VISIBLE_DEVICES='GPU_ID' python3 MNLI.py </code></pr...
<python><pytorch><gpu><huggingface>
2023-01-18 06:31:53
0
870
core_not_dumped
75,155,225
3,031,069
Can SQLAlchemy express one-to-many relations via association tables?
<p>I am trying to access an existing DB with SQLAlchemy. (Thus, I cannot easily change the schema or the existing data. I am also not sure why the schema is structured the way it is.)</p> <p>Consider the following pattern:</p> <pre><code>association_table = Table( &quot;association_table&quot;, Base.metadata, ...
<python><sql><sqlalchemy>
2023-01-18 06:06:48
1
3,597
choeger
75,155,170
15,781,591
How to filter for substring in list comprehension in python
<p>I have a dictionary of dataframes. I want to create a list of the names of all of the dataframes in this dictionary that have the substring &quot;blue&quot; in them. No dataframes in the dictionary of dataframes contain a column simply called &quot;blue&quot;. It is some variation of &quot;blue&quot;, including: &qu...
<python><pandas><list><substring><list-comprehension>
2023-01-18 05:58:40
1
641
LostinSpatialAnalysis
75,155,155
10,969,548
Configure Python interpreter for notebook in vscode to be the same as the interpreter for a conda environment
<p>From my understanding of this <a href="https://docs.anaconda.com/anaconda/user-guide/tasks/integration/python-path/" rel="nofollow noreferrer">source</a> and what a python interpreter is, if I have an environment like this:</p> <pre><code>$ conda activate myenv (myenv) $ python3 &gt; import pandas as pd &gt; </code...
<python><visual-studio-code><jupyter-notebook>
2023-01-18 05:56:49
1
2,076
financial_physician
75,155,030
4,718,335
Python checking datetime overlapping in list of dictionaries
<p>I've list of dictionary format like below</p> <pre><code>[{'end': '19:00', 'start': '10:00'}, {'end': '23:00', 'start': '12:15'}, {'end': '12:00', 'start': '09:15'}] </code></pre> <p>and want to check is time interval is overlapping or not</p> <p>What I'm planning to do:</p> <ol> <li>First want to sort the list of d...
<python>
2023-01-18 05:36:21
3
1,864
Russell
75,154,979
9,303,844
Longest consecutive 1 from consecutive colums in Pyspark dataframe
<p>Suppose I have a Py spark data frame as follows:</p> <pre><code>b1 b2 b3 b4 b5 b6 1 1 1 0 1 1 test_df = spark.createDataFrame([ (1,1,1,0,1,1) ], (&quot;b1&quot;, &quot;b2&quot;,&quot;b3&quot;,&quot;b4&quot;,&quot;b5&quot;,&quot;b6&quot;)) </code></pre> <p>Here, the length of the longest consecutive 1...
<python><dataframe><apache-spark><pyspark>
2023-01-18 05:24:08
2
493
Lzz0
75,154,834
10,620,003
Bar Plot horizontally with some setting in python
<p>I have a dataset and I want to do the bar plot horizontally in python. Here is the code which I use:</p> <pre><code>rating = [8, 4, 5, 6,7, 8, 9, 5] objects = ('h', 'b', 'c', 'd', 'e', 'f', 'g', 'a') y_pos = np.arange(len(objects)) plt.barh(y_pos, rating, align='center', alpha=0.5) plt.yticks(y_pos, objects) #plt....
<python><matplotlib>
2023-01-18 04:55:33
1
730
Sadcow
75,154,817
8,522,675
Sqlalchemy How to count rows per month using sqlalchemy select()?
<p>I have this model:</p> <pre><code>from sqlalchemy import Table, Column, BIGINT, VARCHAR, TIMESTAMP Table( 'person', metadata, Column('id', BIGINT, nullable=False, primary_key=True), Column('name', VARCHAR(300)), Column('user_created', TIMESTAMP), Column('user_deleted', TIMESTAMP) ) </code></pre> <...
<python><sqlalchemy>
2023-01-18 04:51:34
1
657
RonanFelipe
75,154,736
257,924
How to properly initialize win32com.client.constants?
<p>I'm writing a simple email filter to work upon Outlook incoming messages on Windows 10, and seek to code it up in Python using the <code>win32com</code> library, under Anaconda. I also seek to avoid using magic numbers for the &quot;Inbox&quot; as I see in other examples, and would rather use constants that <em>shou...
<python><outlook><constants><win32com><office-automation>
2023-01-18 04:37:37
1
2,960
bgoodr
75,154,539
4,755,954
Auto-update a csv based with edited grid in streamlit-aggrid
<p>I am new to <code>Streamlit</code> and <code>streamlit-aggrid</code> so I am trying to figure this simple case out.</p> <h3># Goal:</h3> <ol> <li>Load a table from a <code>csv</code> as <code>df</code></li> <li>Display it in <code>streamlit</code></li> <li>Edit some cells using <code>streamlit-aggrid</code></li> <li...
<python><ag-grid><streamlit>
2023-01-18 03:54:05
1
19,377
Akshay Sehgal
75,154,473
17,560,347
How to set negative part to zero in a MatrixSymbol?
<p>I want to set negative part to zero in a MatrixSymbol.</p> <pre class="lang-py prettyprint-override"><code>from sympy import MatrixSymbol x = MatrixSymbol('x', 10, 10) _ = x &lt; 0 # raise TypeError: Invalid comparison of non-real x # what I want to do: x[x &lt; 0] = 0 </code></pre>
<python><sympy><symbolic-math>
2023-01-18 03:38:28
1
561
ε΄ζ…ˆιœ†
75,154,238
3,411,191
FastAPI: Task was destroyed but it is pending
<p>I've been fighting asyncio + FastAPI for the last 48 hours. Any help would be appreciated. I'm registering an <code>on_gift</code> handler that parses gifts I care about and appends them to <code>gift_queue</code>. I'm then pulling them out in a while loop later in the code to send to the websocket.</p> <p>The goal ...
<python><websocket><python-asyncio><fastapi><tornado>
2023-01-18 02:44:49
0
1,064
Zane Helton
75,154,182
17,696,880
Remove 2 or more consecutive non-caps words from strings stored within a list of strings using regex, and separate
<pre class="lang-py prettyprint-override"><code>import re list_with_penson_names_in_this_input = [&quot;MarΓ­a Sol&quot;, &quot;MarΓ­a del Carmen Perez AgΓΌiΓ±o&quot;, &quot;Melina Saez Sossa&quot;, &quot;el de juego es Alex&quot; , &quot;Harry ddeh jsdelasd Maltus &quot;, &quot;Ben White ddesddsh jsdelasd Regina yΓ‘shas a...
<python><python-3.x><regex><list><regex-group>
2023-01-18 02:32:04
1
875
Matt095
75,154,134
9,338,509
Getting Incorrect padding error while decoding a message in pyhon when the encoding is from base64 in java
<p>I have a service in python which will decode the messages like below:</p> <pre><code>json.loads(base64.b64decode(myMessage['data'])) </code></pre> <p>This is what I am trying to do in Java to encode</p> <pre><code>JSONObject msg=new JSONObject(); msg.put(&quot;name&quot;, &quot;myName&quot;); msg.put(&quot;class&quo...
<python><java><encoding><base64><decoding>
2023-01-18 02:23:09
0
553
lakshmiravali rimmalapudi
75,153,957
4,152,567
Loading saved Keras model fails: ValueError: Inconsistent values for attr 'Tidx' DT_FLOAT vs. DT_INT32 while building NodeDef
<p>The code below generates the <strong>error</strong>:</p> <pre><code>ValueError: Inconsistent values for attr 'Tidx' DT_FLOAT vs. DT_INT32 while building NodeDef </code></pre> <p>tf_op_layer_Mean_17/Mean_17' using Op&lt;name=Mean; signature=input:T, reduction_indices:Tidx -&gt; output:T; attr=keep_dims:bool,default=f...
<python><tensorflow><keras>
2023-01-18 01:45:30
1
512
Mihai.Mehe
75,153,851
3,099,733
Is it possible to automatically convert a Union type to only one type automatically with pydantic?
<p>Given the following data model:</p> <pre class="lang-py prettyprint-override"><code> class Demo(BaseModel): id: Union[int, str] files: Union[str, List[str]] </code></pre> <p>Is there a way to tell <code>pydantic</code> to always convert <code>id</code> to <code>str</code> type and <code>files</code> to <code>Lis...
<python><pydantic>
2023-01-18 01:25:01
2
1,959
link89
75,153,848
14,673,832
IndexError while calling dunder methods
<p>I want to print the values from the dunder methods of a class <code>foo</code>. However, I got the error:</p> <pre><code>IndexError: Replacement index 1 out of range for positional args tuple </code></pre> <p>The code snippet is as follows:</p> <pre class="lang-py prettyprint-override"><code>class foo(object): d...
<python><format><index-error>
2023-01-18 01:24:35
2
1,074
Reactoo
75,153,809
10,549,044
Run 3 Python Lines of Code Asynchronous without order
<p>Ok so I have a function that calls an API and waits for the response. I am using threading in order to parallelize calling requests during building the DataFrame. The same function gets called later many times but only with 1 item. So iterator is actually a list of just 1 element, hence no threading happens.</p> <p>...
<python><asynchronous>
2023-01-18 01:14:52
1
410
ma7555
75,153,745
1,961,582
Is it possible to filter a pandas dataframe with an IntervalIndex or something similar?
<p>I have a pandas dataframe that has a DatetimeIndex. I want to filter this dataframe in 15 day chunks at a time. To do this manually I can do something like:</p> <pre><code>start, end = pd.Timestamp('2022-07-01'), pd.Timestamp('2022-07-16') filt_df = df[start: end] </code></pre> <p>However, I want to be able to do th...
<python><pandas><dataframe>
2023-01-18 00:57:24
2
1,163
gammapoint
75,153,726
3,750,694
How to convert bounding box with relative coordinates of object resulting from running yolov5 into absolute coordinates
<p>I have run the yolov5 model to predict trees in imagery with a geocoordinate. I got the bounding box objects with relative coordinates after running the model. I would like to have these bounding boxes with the absolute coordinate system as the imagery (NZTM 2000). Please help me to do this. Below are my bounding bo...
<python><pandas><bounding-box><coordinate-systems><yolov5>
2023-01-18 00:55:16
1
703
user30985
75,153,711
386,861
How to fine tune formatting in Pandas
<p>Just learning some new pandas techniques and working on trying to fine tune the outputs.</p> <p>Here's my code.</p> <p>import pandas as pd import numpy as np</p> <pre><code>dogs = np.random.choice(['labrador', 'poodle', 'pug', 'beagle', 'dachshund'], size=50_000) smell = np.random.randint(1,100, size=50_000) df = pd...
<python><pandas>
2023-01-18 00:52:26
1
7,882
elksie5000
75,153,626
2,706,344
How to find a single NaN row in my DataFrame
<p>I have a DataFrame with a 259399 rows and one column. It is called <code>hfreq</code>. In one single row I have a NaN value and I want to find it. I thought this is easy and tried <code>hfreq[hfreq.isnull()]</code>. But as you can see it doesn't help:</p> <p><a href="https://i.sstatic.net/KyEt8.png" rel="nofollow no...
<python><pandas>
2023-01-18 00:34:35
1
4,346
principal-ideal-domain
75,153,610
998,070
Drawing an ellipse at an angle between two points in Python
<p>I'm trying to draw an ellipse between two points. So far, I have it mostly working:</p> <p><a href="https://i.sstatic.net/b2FJ7.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/b2FJ7.png" alt="Arc Angle" /></a></p> <p>The issue comes with setting the ellipse height (<code>ellipse_h</code> below).</p> <...
<python><numpy><geometry><linear-algebra><trigonometry>
2023-01-18 00:31:29
1
424
Dr. Pontchartrain
75,153,525
7,766,024
If MySQL is case-sensitive on Linux, why am I getting a duplicate entry error?
<p>I was using MLflow to log some parameters for my ML experiment and kept experiencing a <code>BAD_REQUEST</code> error. The specific traceback is:</p> <pre><code>mlflow.exceptions.RestException: BAD_REQUEST: (pymysql.err.IntegrityError) (1062, &quot;Duplicate entry 'hidden_Size-417080a853934d5d8a7cf5a27' for key 'par...
<python><mysql>
2023-01-18 00:15:16
1
3,460
Sean
75,153,425
7,984,318
python pandas convert for loop in one line code
<p>I have a Dataframe df,you can have it by running:</p> <pre><code>import pandas as pd data = [10,20,30,40,50,60] df = pd.DataFrame(data, columns=['Numbers']) df </code></pre> <p>now I want to check if df's columns are in an existing list,if not then create a new column and set the column value as 0,column na...
<python><pandas><dataframe>
2023-01-17 23:56:33
3
4,094
William
75,153,423
8,406,398
Jupyter notebook gui missing Java kernel
<p>I'm using below docker to use <code>IJava</code> kernel to my jupyter notebook.</p> <pre><code>FROM ubuntu:18.04 ARG NB_USER=&quot;some-user&quot; ARG NB_UID=&quot;1000&quot; ARG NB_GID=&quot;100&quot; RUN apt-get update || true &amp;&amp; \ apt-get install -y sudo &amp;&amp; \ useradd -m -s /bin/bash -N -...
<python><docker><jupyter-notebook>
2023-01-17 23:56:27
1
2,125
change198
75,153,395
17,487,457
matplotlib: common legend to a column in a subplots
<p>Suppose the below code is used to create my plot:</p> <pre class="lang-py prettyprint-override"><code>x = np.linspace(0, 2 * np.pi, 400) y = np.sin(x ** 2) fig, axs = plt.subplots(2, 2) axs[0, 0].plot(x, y) axs[0, 0].set_title('Axis [0, 0]') axs[0, 1].plot(x, y, 'tab:orange') axs[0, 1].set_title('Axis [0, 1]') axs[...
<python><matplotlib><legend><subplot>
2023-01-17 23:52:28
1
305
Amina Umar
75,153,310
3,466,818
Why can't ArUco3Detection find these tags?
<p>I created a custom 4x4 dictionary, and put four of them on a circuit board into the silkscreen.</p> <p><a href="https://i.sstatic.net/WEnql.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/WEnql.jpg" alt="enter image description here" /></a></p> <pre><code>myDict = cv2.aruco.custom_dictionary(4, 4, 133...
<python><opencv><computer-vision><detection><aruco>
2023-01-17 23:37:36
0
706
Helpful
75,153,191
238,012
PIL Open image, causing DecompressionBombError, with lower resolution
<p>I have a <code>problem_page</code> such that</p> <pre class="lang-py prettyprint-override"><code>from PIL import Image problem_page = &quot;/home/rajiv/tmp/kd/pss-images/f1-577.jpg&quot; img = Image.open(problem_page) </code></pre> <p>results in</p> <pre><code>PIL.Image.DecompressionBombError: Image size (37039074...
<python><python-imaging-library>
2023-01-17 23:15:50
0
6,344
RAbraham
75,153,001
9,878,135
SQLAlchemy what's the difference between creating an type instance and setting default values
<p>I am learning SQLAlchemy and found different usages of defining types and how to set default values. What are the differences between them?</p> <p>Example 1</p> <pre class="lang-py prettyprint-override"><code>class User(Base): __tablename__ = &quot;user&quot; age = sa.Column( sa.Integer, def...
<python><sqlalchemy><fastapi>
2023-01-17 22:46:48
1
1,328
Myzel394
75,152,807
12,116,507
how to convert a string into an array of variables
<p>how can i take a string like this</p> <pre><code>string = &quot;image1 [{'box': [35, 0, 112, 36], 'score': 0.8626706004142761, 'label': 'FACE_F'}, {'box': [71, 80, 149, 149], 'score': 0.8010843992233276, 'label': 'FACE_F'}, {'box': [0, 81, 80, 149], 'score': 0.7892318964004517, 'label': 'FACE_F'}]&quot; </code></pre...
<python><arrays>
2023-01-17 22:19:59
1
361
dam1ne
75,152,773
1,611,396
Vertical scrollbar in FLET app, does not appear
<p>I am building a FLET app, but sometimes I have a datatable which is too large for the frame it is in. For the row I have a scrollbar appearing, but for the column I just don't seem to get it working.</p> <p>In this code a scrollbar simply does not appear.</p> <pre><code>import pandas as pd pd.options.display.max_col...
<python><flet>
2023-01-17 22:14:50
1
362
mtjiran
75,152,736
5,924,264
Converting column of dataframe based on scaling factor from another dataframe
<p>I have a dataframe that has a column <code>length</code> (numeric) and another column units (string). For example,</p> <pre><code>df2convert = length units 1.0 &quot;m&quot; # meters 1.4 &quot;in&quot; # inches 0.5 &quot;km&quot; # kilometers .... </code></pre> <p>I have another ...
<python><pandas><dataframe>
2023-01-17 22:11:28
2
2,502
roulette01
75,152,695
12,436,050
Filter rows from Pandas dataframe based on max value of a column
<p>I have a pandas dataframe with following columns</p> <pre><code>col1 col2 col3 x 12 abc x 7 abc x 5 abc x 3 y 10 abc y 9 abc </code></pre> <p>I would like to find all rows in a pandas DataFrame which have the max value for col2 column, after grouping by 'c...
<python><pandas>
2023-01-17 22:05:27
2
1,495
rshar
75,152,653
1,563,347
Can a python pickle object be checked for malicious code before unpickling?
<p>Is there any way to test a pickle file to see if it loads a function or class during unpickling?</p> <p>This gives a good summary of how to stop loading of selected functions: <a href="https://docs.python.org/3/library/pickle.html#restricting-globals" rel="nofollow noreferrer">https://docs.python.org/3/library/pickl...
<python><pickle>
2023-01-17 22:00:07
2
601
wgw
75,152,539
278,403
Substitute compound expression in SymPy
<p>In sympy how can I make a substitution of a compound expression for a single variable as in the following example that only works for one of the instances of the common factor?</p> <pre class="lang-py prettyprint-override"><code>from sympy import * x, y, z = symbols('x y z') eq = Eq(2*(x+y) + 3*(x+y)**2, 0) print(e...
<python><sympy>
2023-01-17 21:44:11
2
2,219
glennr
75,152,437
1,003,190
PyTorch: bitwise OR all elements below a certain dimension
<p>New to pytorch and tensors in general, I could use some guidance :) I'll do my best to write a correct question, but I may use terms incorrectly here and there. Feel free to correct all of this :)</p> <p>Say I have a tensor of shape (n, 3, 3). Essentially, n matrices of 3x3. Each of these matrices contains either 0 ...
<python><machine-learning><pytorch><tensor>
2023-01-17 21:32:34
1
3,925
aspyct
75,152,397
1,142,502
Python-docx delete table code not working as expected
<p>I am trying to do the following tasks:</p> <ul> <li>Open a DOCX file using <code>python-docx</code> library</li> <li>Count the # of tables in the DOCX: <code>table_count = len(document.tables)</code></li> <li>The function <code>read_docx_table()</code> extracts the table, creates a dataframe.</li> </ul> <p>My object...
<python><pandas><python-docx>
2023-01-17 21:27:19
1
427
aki2all
75,152,324
8,588,743
OpenCV's GrabCut produces unsatisfactory segmentation
<p>I have the following image</p> <p><a href="https://i.sstatic.net/pa6tL.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/pa6tL.png" alt="enter image description here" /></a></p> <p>I want to identify the main object in this image, which is the blue couch, and remove the background (preferably turn it in...
<python><opencv><computer-vision><image-segmentation><semantic-segmentation>
2023-01-17 21:19:31
0
903
Parseval
75,152,092
14,551,577
stale element reference: element is not attached to the page document: tree recursion in python selenium
<p>I am trying to download web pages using python selenium.<br /> There is a tree view on the left side and the content on the right side.</p> <p>This is HTML of treeview. Of course, all sub menus are closed at first.</p> <pre><code>&lt;ul&gt; &lt;li&gt; &lt;a href=&quot;#&quot; onclick=&quot;openSubMenu()&quot;&...
<python><selenium><web-scraping><recursion><treeview>
2023-01-17 20:52:56
1
644
bcExpt1123
75,152,070
10,791,330
Year transition on a 4-4-5 calendar outputs incorrect year on yyyy-mm and quarter
<p>I created a 4-4-5 calendar by repurposing some code here: <a href="https://stackoverflow.com/questions/67017473/how-to-create-a-4-4-5-fiscal-calendar-using-python">How to create a 4-4-5 fiscal calendar using python?</a></p> <pre><code>import pandas as pd import datetime as dt def create_445_calender(start_date: st...
<python><python-3.x><pandas><date>
2023-01-17 20:50:18
1
758
Jacky
75,151,973
5,865,393
Latin-9 exported CSV file Flask
<p>I am trying to export data from the database to a CSV file. The export is done perfectly, however, I have some Arabic text in the database where when exporting the data, I get Latin-9 characters. As below. (<em>I am on Windows</em>)</p> <p><a href="https://i.sstatic.net/KWOxZ.png" rel="nofollow noreferrer"><img src=...
<python><csv><flask>
2023-01-17 20:40:45
1
2,284
Tes3awy
75,151,887
569,976
matcher.knnMatch() error: unsupported format or combination of formats
<p>I was trying to simplify <a href="https://github.com/opencv/opencv/blob/4.x/samples/python/find_obj.py" rel="nofollow noreferrer">https://github.com/opencv/opencv/blob/4.x/samples/python/find_obj.py</a> and make it use <code>warpPerspective()</code> and am now getting an error.</p> <p>Before I share the error here's...
<python><opencv>
2023-01-17 20:29:54
0
16,931
neubert
75,151,388
8,372,455
add numpy array to pandas df
<p>Im experimenting with time series predictions something like this:</p> <pre><code>import pandas as pd from statsmodels.tsa.statespace.sarimax import SARIMAX model = SARIMAX(data.values, order=order, seasonal_order=seasonal_order) result = model.fit() train = data.sample(frac=0.8,...
<python><pandas><statsmodels>
2023-01-17 19:30:14
1
3,564
bbartling
75,151,180
12,244,355
Python: How to explode two columns and set prefix
<p>I have a DataFrame as follows:</p> <pre><code>time asks bids 2022-01-01 [{'price':'0.99', 'size':'32213'}, {'price':'0.98', 'size':'23483'}] [{'price':'1.0', 'size':'23142'}, {'price':'0.99', 'size':'6436'}] 2022-01-02 [{'price':'0.99'...
<python><pandas><dataframe><prefix><pandas-explode>
2023-01-17 19:10:23
3
785
MathMan 99
75,151,016
19,797,660
How to rewrite my Pinescript code to Python
<p>I am trying to rewrite this code to Python:</p> <pre><code>src = input.source(close, &quot;Source&quot;) volStop(src) =&gt; var max = src var min = src max := math.max(max, src) min := math.min(min, src) [max, min] [max, min] = volStop(src) plot(max, &quot;Max&quot;, styl...
<python><pandas><pine-script>
2023-01-17 18:53:29
1
329
Jakub Szurlej
75,150,865
7,422,352
Getting "(InvalidToken) when calling the ListObjectsV2 operation" when MLFlow is trying to access the artefacts stored on S3
<p>I am trying to start the MLFlow server on my local machine inside a python virtual environment using the following command:</p> <pre><code>mlflow server --backend-store-uri postgresql://mlflow_user:mlflow@localhost/mlflow --artifacts-destination S3://&lt;S3 bucket name&gt;/mlflow/ --serve-artifacts -h 0.0.0.0 -p 8...
<python><amazon-s3><mlflow><model-management>
2023-01-17 18:39:42
1
5,381
Deepak Tatyaji Ahire
75,150,849
17,473,587
Checking value is in a list of dictionary values in Jinja
<p>I have a list of tables coming from a SQLite database:</p> <pre class="lang-py prettyprint-override"><code>tbls_name = db_admin.execute( &quot;&quot;&quot;SELECT name FROM sqlite_master WHERE type='table';&quot;&quot;&quot; ) </code></pre> <p>And need to check if <code>table_name</code> is in the resulting list ...
<python><jinja2>
2023-01-17 18:38:36
1
360
parmer_110
75,150,811
12,027,869
Python: Conditional Row Values From a New Column Using dictionary, function, and lambda
<p>I have a dataframe:</p> <pre><code>id id1 id2 id3 id8 id9 </code></pre> <p>I want to add a new column <code>new</code> with conditional row values as follows:</p> <p>If a row from <code>id</code> == <code>id1</code>, then the new row is <code>id1 is cat 1</code></p> <p>If a row from <code>id</code> == <code>id2</cod...
<python><pandas><dataframe><dictionary>
2023-01-17 18:35:07
2
737
shsh
75,150,658
3,247,006
How to display an uploaded image in "Change" page in Django Admin?
<p>I'm trying to display an uploaded image in <strong>&quot;Change&quot; page</strong> in Django Admin but I cannot do it as shown below:</p> <p><a href="https://i.sstatic.net/w44zr.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/w44zr.png" alt="enter image description here" /></a></p> <p>This is my code...
<python><django><image><django-models><django-admin>
2023-01-17 18:21:34
1
42,516
Super Kai - Kazuya Ito
75,150,647
607,407
Cannot change enablement of isort extension because of its extension kind
<p>I have disabled multiple extensions because I had some trouble with clangd and wasn't sure what is causing it.</p> <p>I now wanted to re-enable the Python and Pylance extensions, but I am getting this error:</p> <pre><code>Cannot change enablement of isort extension because of its extension kind </code></pre> <p>I d...
<python><visual-studio-code><pylance>
2023-01-17 18:20:13
0
53,877
TomΓ‘Ε‘ Zato
75,150,609
12,942,095
Is there a standard way to implement optional keyword arguments in python classes?
<p>So I'm writing a class for the purpose of doing data analysis on a signal that I am measuring. There is many ways that I can process the signal and other optional metadata that can be associated with each trial that I measure the signal. I guess my questions boils down to the best way in which I can handle multiple ...
<python><python-3.x><oop><keyword-argument>
2023-01-17 18:16:46
1
367
rsenne
75,150,535
7,668,467
Polars Create Column with String Formatting
<p>I have a polars dataframe:</p> <pre><code>df = pl.DataFrame({'schema_name': ['test_schema', 'test_schema_2'], 'table_name': ['test_table', 'test_table_2'], 'column_name': ['test_column, test_column_2','test_column']}) </code></pre> <div class="s-table-container"><table ...
<python><python-polars>
2023-01-17 18:09:52
1
2,434
OverflowingTheGlass
75,150,515
10,480,181
How to create click Command using API?
<p>I am trying to create a python click Command using the API instead of decorators. This is because I am trying to create commands dynamically from a <code>yaml</code> file.</p> <p><strong>parsed yaml file</strong>:</p> <pre><code>{'adhoc': {'args': ['abcd', {'analytic-type': {'type': 'click.Choice...
<python><python-click>
2023-01-17 18:08:02
1
883
Vandit Goel
75,150,460
2,224,218
What is the best way of Importing a module to work on both Python 2 and Python 3?
<p>I have two test launchers , one with python 2 env and another with python 3 env.</p> <p>I use <code>from itertools import izip_longest</code> which worked fine in python2 env. But the same module is missing in python3 env. Reason is <code>izip_longest</code> was renamed to <code>zip_longest</code> in Python 3.</p> <...
<python><python-3.x><python-2.7>
2023-01-17 18:02:54
1
588
Subhash
75,150,439
3,156,300
ImageMagick auto converting colored RGB image to grayscale?
<p>How can i prevent imagemagick from converting my RGB channel images into a solid grayscale image? For some unknown buggy reason it's converting the final PSD image to a grayscale when it should remain as RGB.</p> <p>It all breaks when i change the gradient of my background solid to be <code>'gradient:#f2f2f2-#f2f2f2...
<python><imagemagick>
2023-01-17 18:00:30
0
6,178
JokerMartini
75,150,428
392,041
apache beam to mongo
<p>I am trying to export the result of a pipeline to mongodb, the problem i have is that my to_mongo function receives an array [&quot;122&quot;,&quot;sam&quot;]. How can i convert this to an object to convert easily to a document for mongo</p> <pre><code>import apache_beam as beam def to_mongo(item): &quot;&quot;...
<python><mongodb><apache-beam>
2023-01-17 17:59:26
0
562
Josh Fradley
75,150,334
12,725,674
FileNotFoundError when writing txt file
<p>I am using the following code to write list items to a .txt. I get a FileNotFoundError error at a specific file and cannot figure what causes the issue.</p> <pre><code>if os.path.isdir(f'C:/Users/Info/Desktop/Dissertation/Impression Management/Analyse/10 CEO Transcripts/Interviews WORK/{deal_no}/Earnings Calls Texts...
<python>
2023-01-17 17:51:24
0
367
xxgaryxx
75,150,287
13,174,189
How to save indices, created with nmslib?
<p>I am using nmslib with hnsw method for vector similarity search. I have built index class for index creation:</p> <pre><code>class NMSLIBIndex(): def __init__(self, vectors, labels): self.dimention = vectors.shape[1] self.vectors = vectors.astype('float32') self.labels = labelsdef build(s...
<python><python-3.x><function><nmslib>
2023-01-17 17:47:23
1
1,199
french_fries
75,150,281
8,461,786
Why does __init__ of Exception require positional (not keyword) arguments in order to stringify exception correctly?
<p>Can someone clarify the role of <code>super().__init__(a, b, c)</code> in making the second assertion pass? It will fail without it (empty string is returned from <code>str</code>).</p> <p>Per my understanding <code>Exception</code> is a built-in type that takes no keyword arguments. But what exactly is happening in...
<python>
2023-01-17 17:47:05
1
3,843
barciewicz