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2025-11-01 19:08:18
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76,031,827
5,387,770
Flattening of Nested dataframe
<p>I have a multi level nested dataframe something like the below:</p> <pre><code>DataFrame[date_time: timestamp, filename: string, label: string, description: string, feature_set: array&lt;struct&lt;direction:string,tStart:double,tEnd:double, features:array&lt;struct&lt;field1:string,field2:string,field3:string,fiel...
<python><apache-spark><pyspark>
2023-04-17 04:57:26
1
625
Arun
76,031,802
13,557,241
Python Kubernetes Client: equivalent of kubectl api-resources --namespaced=false
<p>Via the CLI, I can use <code>kubectl api-resources --namespaced=false</code> to list all available cluster-scoped resources in a cluster.</p> <p>I am writing a custom operator with the <a href="https://github.com/kubernetes-client/python" rel="nofollow noreferrer">Python Kubernetes Client API</a>, however I can't se...
<python><kubernetes>
2023-04-17 04:51:31
3
323
0xREDACTED
76,031,736
14,358,886
Pandas - Table Pivot
<p>I currently have this table</p> <p><a href="https://i.sstatic.net/1fduw.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/1fduw.png" alt="enter image description here" /></a></p> <p>and want to get this output: <a href="https://i.sstatic.net/lqTZl.png" rel="nofollow noreferrer"><img src="https://i.sstat...
<python><pandas><dataframe>
2023-04-17 04:33:46
2
802
Void S
76,031,591
1,290,147
Custom metric for a CatBoost classifier using GPU & optuna
<p>I have the following objective function to run in an Optuna hyper parameter optimization:</p> <pre><code>def objective(trial, data=data): num_train_pool = data[&quot;num_train_pool&quot;] num_test_pool = data[&quot;num_test_pool&quot;] true_labels_test = data[&quot;true_labels_test&quot;] param...
<python><machine-learning><classification><catboost><optuna>
2023-04-17 03:47:09
1
5,137
Luis Miguel
76,031,569
3,398,324
Merge PyTorch predictions to original dataframe
<p>I have obtained predictions from my PyTorch model as a tensor with the following shape (torch.Size([2958, 96])). My original dataset has 2958 qids and some of them have a max number of documents of 96 (min is 47). The predictions have padded the missing one with -1s. The shape of my original dataframe is (221567, 7)...
<python><pytorch><prediction>
2023-04-17 03:39:59
2
1,051
Tartaglia
76,031,485
2,955,827
Inherit function arguments definition in python
<p>If I have these two functions:</p> <pre class="lang-py prettyprint-override"><code>def foo(code:int, *args, **kwargs): if code == 1: bar(*args, **kwargs) else: return None def bar(a:str, b:int, c:int=1, d:int=2): pass </code></pre> <p>I want users can see what argument can be passed to <...
<python><type-hinting>
2023-04-17 03:13:42
0
3,295
PaleNeutron
76,031,409
3,713,336
Fastest way to loop through GCP project
<p>I am trying to loop through GCP projects, where I have more than 50,000 projects and close to 20,000 buckets. However, what is the best way to make the loop faster? Here is my code below:</p> <pre class="lang-py prettyprint-override"><code>for project in projects: #print(project) project = project['projectId...
<python><performance><google-cloud-platform><devops>
2023-04-17 02:47:16
0
357
lisa_rao007
76,031,309
12,311,071
Is it possible to hint that a function parameter should not be modified?
<p>For example, I might have an abstract base class with some abstract method that takes some mutable type as a parameter:</p> <pre class="lang-py prettyprint-override"><code>from abc import * class AbstractClass(metaclass=ABCMeta): @abstractmethod def abstract_method(self, mutable_parameter: list | set): ...
<python><python-typing>
2023-04-17 02:13:23
2
314
Harry
76,031,275
12,300,981
How is the error of the solutions in your residuals incorporated in the error of minimized variables
<p>I have a pretty straight forward question. Given a system of equations</p> <pre><code>x+y=1 x-y=2 x+2y=3 </code></pre> <p>Find the values of x and y. A simple minimization problem.</p> <pre><code>from scipy.optimize import minimize import numpy as np sol1=1 sol2=2 sol3=3 fun(k): a=k[0]+k[1] b=k[0]-k[1] c...
<python><scipy><scipy-optimize>
2023-04-17 02:02:42
0
623
samman
76,031,100
6,087,667
pandas' `merge` drops levels on multiindex joins
<p>I don't understand why <code>merge</code> call below dropped the zero level <code>l0</code> while <code>join</code> didn't? I don't see that behavior described in the docs. Any explanation?</p> <pre><code>import string import pandas as pd alph = string.ascii_lowercase n=5 inds = pd.MultiIndex.from_tuples([(i,j) for...
<python><pandas><join><merge>
2023-04-17 01:07:37
1
571
guyguyguy12345
76,031,012
15,178,267
Django: how to create a signal using django?
<p>I have a bidding system and there is an ending date for the bidding, i want users to bid against themselves till the ending of the bidding date.</p> <p>The product creators are the ones to add the ending date which would be some date in the future, how can i write a django signal to check if the date that was added ...
<python><django><django-models><django-views>
2023-04-17 00:41:52
1
851
Destiny Franks
76,030,877
1,884,367
Problem with migrating Metropolis-Hastings algorithm from R to Python
<p>New to Python. I am trying to port the R code for the Metropolis Hastings Algorithm found <a href="https://stephens999.github.io/fiveMinuteStats/MH_intro.html" rel="nofollow noreferrer">here</a> over to Python. I have successfully duplicated the results in R, but am struggling with the Python version. I just can't...
<python><r><montecarlo><markov>
2023-04-16 23:46:30
1
425
user1884367
76,030,844
1,798,351
how to get a human readable call stack from an ipynb error traceback['stack']?
<p>I'm hitting an error in a notebook and instead of showing a full call stack, it's a truncated stack with only the last few calls and the following message printed on top:</p> <pre><code>Output exceeds the size limit. Open the full output data *in a text editor* </code></pre> <p>Which links to a text file like:</p> <...
<python><exception><jupyter><stack-trace>
2023-04-16 23:38:34
1
1,073
mkk
76,030,776
10,363,163
How to get partial subtree depending on dependency relations with SpaCy?
<p>I have parsed the dependency relations of some text with SpaCy. How can I impose a condition relating to those dependency relations when extracting the subtree of a given token/span?</p> <p>For example, I would like to get the subtree of a given token but exclude all portions of the subtree where the immediate child...
<python><graph-theory><spacy>
2023-04-16 23:20:18
0
3,489
dufei
76,030,663
1,330,719
Excluding fields on a pydantic model when it is the nested child of another model
<p>I have a pydantic model that I want to dynamically exclude fields on.</p> <p>I can do this by overriding the <code>dict</code> function on the model so it can take my custom flag, e.g.:</p> <pre class="lang-py prettyprint-override"><code>class MyModel(BaseModel): field: str def dict(self, **kwargs): if ('ex...
<python><pydantic>
2023-04-16 22:37:11
2
1,269
rbhalla
76,030,612
9,668,218
How to compare two python files with the same name in different branches in GitHub?
<p>I have 2 versions of a Python code (python files with the same name) in 2 different branches in GitHub.</p> <p>How can I compare these files in GitHub?</p> <p>I am aware of <code>git diff</code> command but I am looking for a way to compare files in the repository user interface (instead of using git commands in the...
<python><github><compare><branch>
2023-04-16 22:21:01
1
1,033
Mohammad
76,030,280
635,799
How to import a module in Python unit test?
<pre><code>. ├── mymodule │ ├── __init__.py │ └── foo.py ├── tests ├── __init__.py ├── utils.py └── test_module.py </code></pre> <p>I have the above directory structure for my Python package.</p> <p>Within the <code>test_module.py</code> file, I need to import <code>tests/utils.py</code>. How should I ...
<python><import><pytest>
2023-04-16 20:52:48
1
898
Chang
76,030,225
19,854,658
How to select separate lines in a json file for json.loads()?
<p>Anyone know an effective way to select just one line at a time of this json file in Python?</p> <p>I want to be able to write each line into a relational database but json.loads() throws an 'Extra Data' error if I don't select each line separately.</p> <p>Thanks</p> <pre><code>{&quot;flight_date&quot;:&quot;2023-04-...
<python><json>
2023-04-16 20:40:05
1
379
Jean-Paul Azzopardi
76,030,177
11,388,321
Wordpress REST API how to assign different categories to a post using Python requests library
<p>I've created a python script to create &amp; post articles to WordPress site but it seems that the category in post data isn't getting assigned to the posts and it always gets assigned to <code>uncategorized</code> category, I am looking to only assign 1 category to the posts.</p> <p>Am I doing something wrong here?...
<python><wordpress><python-requests><wordpress-rest-api>
2023-04-16 20:31:03
3
810
overdeveloping
76,030,107
1,330,719
Excluding pydantic model fields only when returned as part of a FastAPI call
<h2>Context</h2> <p>I have a very complex pydantic model with a lot of nested pydantic models. I would like to ensure certain fields are never returned as part of API calls, but I would like those fields present for internal logic.</p> <h2>What I tried</h2> <p>I first tried using pydantic's <code>Field</code> function ...
<python><fastapi><pydantic><starlette>
2023-04-16 20:15:06
2
1,269
rbhalla
76,029,974
3,323,394
How to run blocking operations loops concurrently using python async?
<p>I have two unrelated blocking operations that listen to different events. When any of them return, I need to do an appropriate handling of the underlying event they raised.</p> <p>For some reason, no matter how I schedule them using AsyncIO, I never get to run them concurrently. Apparently, <code>receive_json()</cod...
<python><websocket><redis><fastapi><starlette>
2023-04-16 19:40:43
1
1,512
Diane M
76,029,891
16,067,738
Python-Sql connection. Entries made in python terminal are not committing to the MySql server. Producing null table despite showing no error
<p>I am working on a small project which pertains the connectivity of python with MySql. What I have envisioned is that I will use Python to store the credentials like username and password to the database named <code>PENGUINX</code> I connected with MySql server. So far , my code looks clean and shows no error upon ex...
<python><mysql>
2023-04-16 19:20:32
1
417
LunaticXXD10
76,029,548
906,551
Connecting to Bluetooth devices from Python for Windows?
<p>I've spent a good time searching, but cannot find a solution that does not require installing C++ compilers. Surely in 2023 there is a way to use Bluetooth from Python with pure Python or at least a pre-built module?</p>
<python><windows><bluetooth>
2023-04-16 18:15:09
1
349
Scott Thibault
76,029,219
629,283
setting up docker with python 3.9 + poetry getting 'does not contain any element'
<p>I am trying to setup docker for local dev and i keep getting &quot;does not contain any element&quot; when i try to use poetry with docker. Originally I used the requirement.txt, however i would prefer it to have poetry because where i work we have a pyserver which we need to pull some of the .wh from.</p> <p>So i a...
<python><docker><python-poetry>
2023-04-16 17:08:49
1
349
user629283
76,029,048
4,835,204
Code crashes when put into separate functions within a class
<p>I've ran into an odd situation in Python where code works if I put everything in the <code>__init__</code> function of a class, but if I break it up into functions within the class, the otherwise identical code crashes. Here is my current example:</p> <p>This works:</p> <pre><code># SimpleDisplay5.py import faulth...
<python><pangolin>
2023-04-16 16:35:47
1
3,840
cdahms
76,029,005
4,458,718
Docker wont install numpy on ubunty 18.04 but same docker ile runs just fine on sagemaker notebook instance
<p>I am trying to build an image using the docker file below (using this <a href="https://github.com/aws/amazon-sagemaker-examples/tree/main/advanced_functionality/scikit_bring_your_own" rel="nofollow noreferrer">example</a>). It works just fine on my notebook instance, but when I try to run it locally I get numpy erro...
<python><amazon-web-services><docker><numpy><amazon-sagemaker>
2023-04-16 16:29:03
1
1,931
L Xandor
76,028,969
238,898
PyPDF extract text from highlight annonations coordinates
<p>I want to extract the Text from Highlight Annotations.</p> <p>PyPDF should be able to do this.<br /> They provide an example on how to get the coordinates for the Highlights: <a href="https://pypdf.readthedocs.io/en/latest/user/reading-pdf-annotations.html#highlights" rel="nofollow noreferrer">https://pypdf.readthed...
<python><pypdf>
2023-04-16 16:22:15
0
11,338
TunaFFish
76,028,844
10,313,194
How to get post data from facebook page using python?
<p>I try to get post data from facebook page using Facebook Graph API like this.</p> <p><a href="https://i.sstatic.net/5QuUB.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/5QuUB.png" alt="enter image description here" /></a></p> <p>The output not show anything. So I try to use facebook-scraper like <a h...
<python><facebook>
2023-04-16 16:03:37
1
639
user58519
76,028,664
1,916,588
asyncio to download data in batches and return a list of lists
<p>I want to download data in batches asynchronously.</p> <p>The data for each <code>name</code> is downloaded in batches, and I'd like <code>asyncio.gather(*coroutines)</code> to return a list of lists (a list of batches for each name). So far I have this code, but it raises an exception:</p> <pre class="lang-py prett...
<python><python-asyncio>
2023-04-16 15:31:15
1
12,676
Kurt Bourbaki
76,028,639
1,609,066
VSCode Python Testing `Test result not found for...` bug
<p>While working in a multi-project (VSCode would call it multi-root) python repository the VSCode python plugin for testing fails to run all the test when choosing to run all the tests, however running individual folders or tests passes. This is obviously a strange issue so I investigated this further.</p> <p>The outp...
<python><pytest><vscode-extensions><vscode-python>
2023-04-16 15:26:52
1
1,171
Rijul Gupta
76,028,597
13,723,501
How can I send data from thread to Gtk app?
<p>I have the following code:</p> <pre class="lang-py prettyprint-override"><code>import socket from queue import Queue import gi gi.require_version('Gtk', '3.0') from gi.repository import Gtk, GLib import threading HOST = '' # Listen on all available network interfaces PORT = 5000 # Arbitrary port number def sock...
<python><multithreading><sockets><gtk3>
2023-04-16 15:18:10
1
343
Parker
76,028,510
12,832,931
Convert Regularly Geographic Points into a matrix (keeping the correct order)
<p>Considering the following dataset:</p> <pre><code>freguesia Datetime C1 latitude longitude geometry 0 Parque das Nações 2022-09-07 09:30:00+00:00 72.37 38.753769 -9.095670 POINT (-9.09567 38.75377) 1 Parque das Nações 2022-09-07 09:30:00+00:00 4.65 38.7...
<python><pandas><numpy><gis><geopandas>
2023-04-16 14:59:52
1
542
William
76,028,482
359,178
Python module defining constants for month numbers?
<p>The <code>calendar</code> module defines constants e.g. <code>MONDAY</code> (0), <code>TUESDAY</code> (1), etc. for the <a href="https://docs.python.org/3/library/calendar.html#calendar.MONDAY" rel="nofollow noreferrer">days of the week</a>.</p> <p>And the source code even <a href="https://github.com/python/cpython/...
<python><datetime><calendar>
2023-04-16 14:53:56
0
11,105
Juan A. Navarro
76,028,292
15,326,565
POST a file and json object to FastAPI route
<p>I want to post a file and a json object to a route in my FastAPI in only one request, but doing so results in errors like:</p> <pre><code>422 {&quot;detail&quot;:[{&quot;loc&quot;:[&quot;body&quot;],&quot;msg&quot;:&quot;value is not a valid list&quot;,&quot;type&quot;:&quot;type_error.list&quot;},{&quot;loc&quot;:[...
<python><json><http><file-upload><fastapi>
2023-04-16 14:18:55
0
857
Anm
76,028,237
15,763,991
Setting a timeout for Calculator code: How to handle high number calculations and prevent freezing
<p>I'm making a Calculator and the Code freezes when you try to calculate a high number (like 9⁹⁹⁹⁹⁹⁹) To counter this, I want to set a Timeout and if the calculation takes longer than 3 seconds, the result is just &quot;NAN&quot;. the Code snipped where the results are calculated looks like this, but it doesn't work. ...
<python><python-asyncio>
2023-04-16 14:06:22
1
418
EntchenEric
76,028,127
595,305
Suppress/redirect stack trace print out with logger.exception?
<p>A great way to process exceptions is to use <code>Logger.exception</code>:</p> <pre><code>try: do_something() except BaseException: logger.exception('some message') </code></pre> <p>... this not only prints out the user message, but also the exception message and exception type, and also a full stacktrace.</...
<python><exception><logging><stack-trace><stderr>
2023-04-16 13:45:47
1
16,076
mike rodent
76,028,082
4,913,254
Find duplicates in three columns and add plus 1 to results in another column
<p>I want to identify duplicate values in three columns and sum +1 in the results of another column.</p> <pre><code># This is my data frame, # I want to identify duplication in column1, column2 and column3 d = { 'Column1': ['1', '1', '2','3'], 'column2': [101, 101, 234, 203], 'column3': ['c', 'c', 'd','c'], 'columnx': ...
<python><pandas>
2023-04-16 13:36:38
3
1,393
Manolo Dominguez Becerra
76,028,053
713,200
How to remove preceding zeros in version numbers with alphabets using python?
<p>I have to read version numbers from a couple of servers and remove preceding 0s from it to match with expected version number. My version number from server looks like these</p> <pre><code>15.04.03a 4.05.03.034I 12.09.02a 4.09.1.028I </code></pre> <p>so I'm expecting output to be like <code>15.4.3a</code> and so on...
<python>
2023-04-16 13:29:47
4
950
mac
76,028,018
12,828,984
numpy roll produce a unnecessary horizontal line
<p>I have the following python code where I read from a CSV file a produce a plot. My goal is to shift the data in X-axis by some extend however the x axis is phase (between 0 - 1) and shifting in this context means rolling the elements (thats why I use numpy roll). My problem is that when I use numpy roll, It produces...
<python><numpy>
2023-04-16 13:23:05
1
398
Sara Krauss
76,027,886
11,092,636
Suffix Array, n^2*log(n) faster than n*log^2(n) even for large inputs?
<p>I learned this theory in class and decided to implement everything to make sure I understood it all; but the theoretical results don't align with the memory and time usages I obtain. I'm pretty sure this is not a shortcoming of theoretical algorithms but rather a mistake on my end and would like to investigate it.</...
<python><algorithm><suffix-array>
2023-04-16 12:54:40
1
720
FluidMechanics Potential Flows
76,027,854
4,913,660
Pandas Dataframe - compute mean on column k based on value on column j being the same, then remove duplicates
<p>Say I have a dataframe like this</p> <pre><code> columns = [&quot;Col1&quot;, &quot;Col2&quot;, &quot;Col3&quot;] values = np.array([[1, 1, 7], [1,1, 8], [1, 2, 5], [1, 2, 5.5]]) index = [&quot;foo&quot;, &quot;foo&quot;, &quot;baz&quot;,&quot;baz&quot;] df = pd.DataFrame(values, index=index, col...
<python><pandas>
2023-04-16 12:48:39
1
414
user37292
76,027,790
3,103,957
type object in Python
<p>In Python, I reckon object(s) are available for the type class and the object name is same as class name which is type. I have a question regarding this... When we create classes using type(classname,base_class,att_dict), actually the <strong>call</strong>() method in type is getting invoked. This will eventually pr...
<python><call><metaclass>
2023-04-16 12:35:29
1
878
user3103957
76,027,718
10,535,123
Create new column when using Pandas groupby with two columns and aggregate by multiple metrices?
<p>The data itself is not realy matter.</p> <p>I have the following code -</p> <pre><code># convert timestamp to millisecond relevant_data_pdf['milli'] = pd.to_datetime(relevant_data_pdf['timestamp']).astype(np.int64) / int(1e6) # sort (day are values between 1 to 7) relevant_data_pdf = relevant_data_pdf.sort_values([...
<python><pandas><dataframe>
2023-04-16 12:21:01
1
829
nirkov
76,027,495
10,200,497
creating a column based on values of two other columns
<p>This is my dataframe:</p> <pre><code>df = pd.DataFrame({'a': [10, 20, 50], 'b': [5, 2, 20]}) </code></pre> <p>And this is the output that I need:</p> <pre><code> a b c 0 10 5 1005 1 20 2 1009.02 2 50 20 1109.922 </code></pre> <p>I want to create column <code>c</code>. I have an initial value...
<python><pandas>
2023-04-16 11:32:48
2
2,679
AmirX
76,026,821
8,586,803
Cannot print numpy arrays with logging module
<p>This snippet doesn't print anything:</p> <pre class="lang-py prettyprint-override"><code>import logging import numpy as np logging.info(np.eye(4)) # this doesn't work either logging.info('matrix', np.eye(4)) </code></pre> <p>But it works fine with native <code>print</code>:</p> <pre class="lang-py prettyprint-over...
<python><numpy><logging><stdout>
2023-04-16 09:05:50
1
6,178
Florian Ludewig
76,026,805
9,940,188
Logging: How to use different formatters for different handlers?
<p>I'm trying to set up two logging handlers, one of which has a custom Formatter for exceptions. Here's what I've tried:</p> <pre><code>import logging def log_something(): log.error(&quot;Normal error&quot;) try: raise RuntimeError(&quot;Exception!&quot;) except Exception as e: log.excepti...
<python>
2023-04-16 09:02:39
1
679
musbur
76,026,778
5,029,589
Read only column names using python
<p>I have a excel file (Can be any type from csv,xsls,xslb) which can be very large (may be 500 mb) . I only want to get the column names from the file . Now I tried using pandas and get only column names ,but internally it seems to read or load the entire file which takes approx 1 minute . I don't want to load the ent...
<python><pandas>
2023-04-16 08:54:36
1
2,174
arpit joshi
76,026,500
713,200
How to extract data from html response using python?
<p>I'm trying to extract some of the data from an HTML response I'm getting after executing an API in Python. Here is the HTML response I get:</p> <pre><code>&lt;?xml version=&quot;1.0&quot; ?&gt; &lt;mgmtResponse responseType=&quot;operation&quot; requestUrl=&quot;https://6.7.7.7/motion/api/v1/op/enablement/ethernet/...
<python><html><json><python-3.x>
2023-04-16 07:45:25
2
950
mac
76,026,337
2,051,572
Pandas - merging rows under certain conditions
<p>I have a table in this form:</p> <div class="s-table-container"> <table class="s-table"> <thead> <tr> <th>Cat A</th> <th>Cat B</th> <th>Year</th> <th>Area</th> <th>Names</th> </tr> </thead> <tbody> <tr> <td>A</td> <td>C</td> <td>2012</td> <td>1</td> <td>A</td> </tr> <tr> <td>A</td> <td>D</td> <td>2012</td> <td>2</td...
<python><pandas><group-by>
2023-04-16 07:08:29
1
2,512
Ohm
76,026,333
11,210,476
dataclass __annotation__ not working with inheritance
<p>I tried this code:</p> <pre><code>from dataclasses import dataclass @dataclass class Data1: d11: str d12: float @dataclass class Data2: d21: str d22: float @dataclass class D3(Data1, Data2): pass print(D3.__annotations__) </code></pre> <p>But the annotations for <code>D3</code> are only <code>{'d...
<python><dictionary><object><inheritance><python-dataclasses>
2023-04-16 07:06:56
1
636
Alex
76,026,327
1,581,090
How to use the same logger in different python modules?
<p>Here is what I have in the main code:</p> <pre><code>from mf import gameplay .... if __name__ == &quot;__main__&quot;: import logging logger = logging.getLogger(__name__) logger.setLevel(logging.INFO) # create a file handler handler = logging.FileHandler('example.log') handler.setLevel(log...
<python><logging>
2023-04-16 07:04:25
2
45,023
Alex
76,026,274
1,581,090
How to fix "logging.ini" for python?
<p>I am following the tutorial on logging <a href="https://betterprogramming.pub/how-to-implement-logging-in-your-python-application-1730315003c4" rel="nofollow noreferrer">HERE</a> and also had a look at the documentation <a href="https://docs.python.org/3/library/logging.config.html#configuration-file-format" rel="no...
<python><logging>
2023-04-16 06:46:56
1
45,023
Alex
76,026,112
610,569
Is there a vectorize way to iterate through a fixed n of an input x dict instead the full range of n?
<p>Given a fixed size <code>n</code> and a <code>x</code> dict of input key-value pairs, the goal is iterate through 1...n (1st index), then fetch the values from x if the index exists as x's key, otherwise insert the value -1.</p> <p>I've tried the following and it kind of work as expected:</p> <pre><code>n = 10 # V...
<python><pandas><dictionary><vectorization>
2023-04-16 05:56:27
2
123,325
alvas
76,025,977
15,320,579
Perform some operation if 2 pandas dataframe have same entries in python
<p>I have 2 dataframes (<strong>purchase</strong> and <strong>sales</strong>) as follows:</p> <p><strong>PURCHASE:</strong></p> <div class="s-table-container"> <table class="s-table"> <thead> <tr> <th>Name</th> <th>item</th> <th>voucher</th> <th>Amt</th> <th>Qty</th> </tr> </thead> <tbody> <tr> <td>A</td> <td>Item1</td...
<python><pandas><dataframe><data-munging>
2023-04-16 04:59:52
3
787
spectre
76,025,854
17,491,224
Pandas fillna not successfully replacing nan values
<p>Attempting to fill na values in the following manner:</p> <pre><code>df['column'].fillna(value='value',inplace=True) </code></pre> <p>I print the values before and after and get the following results:</p> <pre><code>['11', '12', '81', '21', '22', nan, '41', '71', '10', '23', '02', '20', '19', '72', '24', '53', '60',...
<python><python-3.x><pandas>
2023-04-16 04:09:14
1
518
Christina Stebbins
76,025,807
4,107,349
Setting similarity threshold for trigram_similar Django PostgreSQL lookups?
<p>We're using <a href="https://docs.djangoproject.com/en/4.1/ref/contrib/postgres/lookups/#trigram-similarity" rel="nofollow noreferrer">Django's trigram similarity</a> <code>__trigram_similar</code> lookup and it works nicely, except we want to adjust the similarity threshold and don't know how. Queries are currently...
<python><django><postgresql><django-views><django-queryset>
2023-04-16 03:46:18
1
1,148
Chris Dixon
76,025,419
2,661,251
Python string check against a particular pattern
<p>My requirement is that I want to print true if the string matches with the word &quot;develop&quot; or &quot;develop[0-9]&quot; . This is the python code I wrote</p> <pre class="lang-py prettyprint-override"><code>import re # Target String one str = [&quot;develop&quot;,&quot;develop1&quot;,&quot;develop123&qu...
<python><regex>
2023-04-16 00:47:37
2
516
gcpdev-guy
76,025,370
5,394,072
optimization - scipy minimize with contraints on returned values
<p>I have a function for weekly revenue, which is function of few variables (say variables are spend on different days of week, sunday through saturday). Now, I need to find the values of the variables that maximizes the weekly revenue.</p> <p>In addition to above, I also need to have a constraint on the <code>total re...
<python><optimization><mathematical-optimization><scipy-optimize><scipy-optimize-minimize>
2023-04-16 00:26:34
0
738
tjt
76,025,305
18,533,248
dynamically calling an ffi function in python?
<p>I'm writing a simple program that needs to reach out to libc for some functions. My problem is that I don't know what these functions are when writing the program ie. the functions that will be called are imported dynamically, based on some user input.</p> <p>How can I do this? Ideally I'd like to have a python dict...
<python><shared-libraries><dllimport>
2023-04-16 00:02:43
1
501
kamkow1
76,025,304
12,035,739
Why is my PNG being read as black and white?
<p>I am reading this picture,</p> <p><a href="https://i.sstatic.net/PcjMu.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/PcjMu.png" alt="enter image description here" /></a></p> <p>Using the following Python,</p> <pre class="lang-py prettyprint-override"><code>import numpy as np from PIL import Image as...
<python><numpy><matplotlib><python-imaging-library>
2023-04-16 00:01:14
3
886
scribe
76,025,232
2,266,881
Click event function not working in PyQT6 when added dynamically
<p>I'm creating a bunch of QPushButton's in PyQt6 dynamically in a loop. They all use the same target function and the only difference between them is one argument they are receiving, but for some reason, when i assign them dynamically, the all get the arg of the last one assigned.</p> <p>Doing this:</p> <pre><code>for...
<python><pyqt6>
2023-04-15 23:36:40
0
1,594
Ghost
76,025,196
480,118
how to gracefully kill all processes created by a python subprocess call to script which creates child processes (script, java, tee)
<p>This gets a bit complicated. But in short i have a python script that calls a bash script which launches a long running java process via yet another bash script. i've written another python process that will allow me to kill the process if need be. The problem im having is that i see the processes for the two shel...
<python><linux><bash><shell><sh>
2023-04-15 23:23:59
0
6,184
mike01010
76,025,129
6,063,706
Custom Pytorch function with hard clamp forwards and softclamp backwards
<p>I want to implement a custom differentiable function in PyTorch that acts like torch.clamp in the forward pass but in the backward pass outputs the gradients as if it where a tanh.</p> <p>I tried the following code:</p> <pre><code>import torch class ClampWithGrad (torch.autograd.Function): @staticmethod ...
<python><pytorch>
2023-04-15 22:59:02
1
1,035
Tob
76,025,095
165,659
Can't correctly decode an image frame using PyAV
<p>I'm trying to simply encode and decode a capture frame from the web-cam. I want to be able to send this over TCP but at the moment I'm having trouble performing this just locally.</p> <p>Here's my code that simply takes the frame from the web-cam, encodes, then decodes, and displays the two images in a new window. T...
<python><ffmpeg><pyav>
2023-04-15 22:47:51
2
2,205
Martin Blore
76,025,067
19,003,861
How to call variable processed in forloop function (views) in django template?
<p>I am trying to refer a variable <code>modela_completed</code> in my django template after some logic was applied to it.</p> <p>Since it seems templates are only a place for making a page look nice, there must be a way to assign a value to a variable in a forloop and refer it into the template.</p> <p><strong>models<...
<python><django><django-views><django-templates>
2023-04-15 22:39:23
2
415
PhilM
76,025,059
124,367
Python - Cannot upgrade pip or install any packages due to SSL Certificate errors
<p>I have a company-owned Windows machine with Python 3.11.2. Pip is version 22.3.1 (as I write this, the current version is 23.1). The local Python folder is <code>C:\Users\{User}\AppData\Local\Programs\Python\Python311</code></p> <p>If I try to upgrade pip or install any packages, I get an SSL Error. For example, run...
<python><python-3.x><pandas><ssl><pip>
2023-04-15 22:36:05
1
11,801
PowerUser
76,024,738
10,327,984
RuntimeError: running_mean should contain 1 elements not 200
<p>I am implementing a conditional gan for image generation with text embedding from scratch and I am getting the above error exactly in the BatchNorm1d layer from the embedding_layers in the generator <br> generator class :</p> <pre><code>import torch.nn as nn class Generator(nn.Module): def __init__(self, embedd...
<python><pytorch><generative-adversarial-network>
2023-04-15 20:59:58
2
622
Mohamed Amine
76,024,686
12,603,110
Pytorch Lambda Transforms and pickling?
<p>I am beginning to read and experiment with Pytorch recently and I saw that the transform module has a <code>Lambda</code> class. currently as far as I am aware composing transforms requires just a callable and a plain lambda can suffice.</p> <p>What's the purpose of the <code>Lambda</code> class if python lambdas wo...
<python><pytorch><pickle>
2023-04-15 20:47:19
0
812
Yorai Levi
76,024,680
1,028,162
Problems with immidiate concistency in terraform AWS lambda layer
<p><br /> I'm having trouble configuring my tf insrastructure of AWS Lambda + Lambda Layer. I'll start with what I want to achieve: I want to implement a Lambda that uses a Layer for dependencies (in my case - using python - installed from <code>requirements.txt</code>), and I want the layer to be built and uploaded <s...
<python><aws-lambda><terraform><terraform-provider-aws>
2023-04-15 20:46:34
1
839
A. Kali
76,024,643
817,659
Pass MySQLDB connection to SQLAlchemy
<p>If I create a connection that works to <code>MySQL</code> using MySQLdb like this:</p> <pre><code>connection = MySQLdb.connect( host= os.getenv(&quot;HOST&quot;), user=os.getenv(&quot;USERNAME&quot;), passwd= os.getenv(&quot;PASSWORD&quot;), db= os.getenv(&quot;DATABASE&quot;), ...
<python><sqlalchemy><mysql-python>
2023-04-15 20:40:31
0
7,836
Ivan
76,024,591
11,388,321
How can I post response to WordPress via REST API?
<p>I'm trying to post OpenAI's response (content message) as the content for my WordPress post, however, the WordPress part of my code doesn't seem to work, I've played around with doing it different ways but no post is created as a draft, how can I get OpenAI's response as the content of my drafted WordPress post?</p>...
<python><wordpress>
2023-04-15 20:25:53
0
810
overdeveloping
76,024,288
12,724,372
Problems installing quantlib in python
<p>I'm trying to install <code>quantlib</code> in python, using <code>pycharm</code>. But I'm receiving this error:</p> <pre><code>ERROR: Could not find a version that satisfies the requirement QuantLib (from versions: none) ERROR: No matching distribution found for QuantLib [notice] A new release of pip available: 22...
<python><quantlib>
2023-04-15 19:15:29
2
1,275
Devarshi Goswami
76,024,251
3,475,434
hatch and scripts entry point in Python
<p>I need a script to be produced by installing the package and to be put in user <code>PATH</code>. I've followed the <a href="https://hatch.pypa.io/latest/config/metadata/#entry-points" rel="nofollow noreferrer">Hatch guide on entry points</a> and my directory looks like this:</p> <pre><code>. ├── docs │   ├── conf.p...
<python><program-entry-point><hatch>
2023-04-15 19:07:39
0
3,253
Luca Braglia
76,024,248
13,903,942
Java | Safest way to close resources
<h2>Question</h2> <p>What's the best way / safest way to close a 'i/O resource' in Java?</p> <h3>Context</h3> <p>Coming from python background, which uses the <code>with</code> which creates a <a href="https://docs.python.org/3/reference/datamodel.html#context-managers" rel="nofollow noreferrer">Context Manager</a> st...
<python><java><memory-leaks><io><resources>
2023-04-15 19:06:34
2
7,945
Federico Baù
76,024,167
10,200,497
Creating a new column based on values of two other columns
<p>This is my dataframe:</p> <pre><code>df = pd.DataFrame({'a': [10, 20, 50], 'b': [5, -2, 20]}) </code></pre> <p>And this is the output that I want:</p> <pre><code> a b c 0 10 5 105 1 20 -2 20.58 2 50 20 12.348 </code></pre> <p>I have an initial value which is 1000. The first row of <code>...
<python><pandas>
2023-04-15 18:51:56
2
2,679
AmirX
76,024,153
5,636,889
Retrieve large objects with multiprocessing.Pipe
<p>I'm current working in a RAM monitoring decorator:</p> <pre><code>import time import asyncio import multiprocessing as mp import psutil import numpy as np class MemoryMonitor: def __init__( self, threshold=115343360, # Bytes delay=1 # Seconds ): self.threshold...
<python><asynchronous><multiprocessing><out-of-memory><psutil>
2023-04-15 18:50:35
0
525
Jose
76,024,129
2,946,746
ERROR in using beautiful Soup to extract SEC filling header information with returning NONE
<p>When I'm trying to use beautiful soup to get the header information from the SEC I'm getting a a return value of none. The tag I'm using is <code>&quot;&lt;SEC-HEADER&gt;&quot;</code>.</p> <p>Any idea on how to get this code work correctly?</p> <p>My code is:</p> <pre><code> import requests from bs4 import Beautiful...
<python><beautifulsoup>
2023-04-15 18:46:01
1
1,810
user2946746
76,024,124
11,397,243
Python "import as" changing global namespace
<p>I'm automatically translating some perl code to python with my <a href="https://github.com/snoopyjc/pythonizer" rel="nofollow noreferrer">pythonizer</a> tool. The perl code uses the Date::Manip package, which has a submodule Date::Manip::Date. I use a <code>Date</code> variable (which I defined in <code>builtins</...
<python><import><global><python-module>
2023-04-15 18:45:13
1
633
snoopyjc
76,023,998
3,116,231
Create an Azure Keyvault with Python
<p>I'm trying to create a keyvault with Python by running the code from <a href="https://github.com/Azure-Samples/key-vault-python-manage" rel="nofollow noreferrer">here</a>:</p> <pre><code>import os import json from azure.common.credentials import ServicePrincipalCredentials from azure.mgmt.keyvault import KeyVaultMan...
<python><azure-active-directory><azure-keyvault>
2023-04-15 18:19:15
1
1,704
Zin Yosrim
76,023,938
10,200,497
Creating a new column that shows percent change based on values of another column
<p>This is my dataframe:</p> <pre><code>df = pd.DataFrame({'a': [10, 20, 50]}) </code></pre> <p>And this is the output that I want:</p> <pre><code> a b 0 10 100 1 20 20 2 50 10 </code></pre> <p>I have an initial value which is 1000. Then I want to create column <code>b</code>. The first row ...
<python><pandas>
2023-04-15 18:07:42
1
2,679
AmirX
76,023,916
13,955,154
Layer "decoder" expects 1 input(s), but it received 3 input tensors
<p>I'm trying to train an autoencoder (and actually the fit seems to go correctly). Then I want to test my models:</p> <pre><code>encoded_imgs = encoder.predict(images[:10]) decoded_imgs = decoder.predict(encoded_imgs) </code></pre> <p>where images is an array of images (224,224) and the latent vector is equal to 1024....
<python><tensorflow><keras><autoencoder>
2023-04-15 18:03:32
1
720
Lorenzo Cutrupi
76,023,766
20,266,647
MLRunPreconditionFailedError: 412 Client Error, "API is waiting for migrations to be triggered"
<p>I got this error:</p> <pre><code>MLRunPreconditionFailedError: 412 Client Error: Precondition Failed for url: http://localhost:8080/api/v1/projects: Failed creating project tutorial-&lt;name&gt; details: MLRunPreconditionFailedError('API is waiting for migrations to be triggered. Send POST request to [/api/operatio...
<python><mlops><mlrun>
2023-04-15 17:38:36
1
1,390
JIST
76,023,652
17,724,172
Trouble with assigning colored categories on a broken bar chart
<p>Why am I getting such extended final colors (green) parts to these bars?</p> <p>Each GUI box should take two comma-separated integers for start and duration of that category. The numbers should get a little larger for each category, so that the colors don't overlap. This can be entered in all the rows of the GUI, ...
<python><matplotlib>
2023-04-15 17:14:04
1
418
gerald
76,023,593
713,200
Storing a value from ios-xe router command output in python
<p>After making a connection to a cisco device using python, and executing a command I get a output as shown below, Basically I want to get only one value, that the value for <code>Services</code> which is shown as <code>1</code> below and store it in a variable.</p> <pre><code>#show ethernet cfm domain brief Domain Na...
<python><python-3.x><list><dictionary><cisco-ios>
2023-04-15 17:01:06
1
950
mac
76,023,559
4,172,765
Python selenium waiting to download file completely
<p>I am writing code to download an Android APK file. It worked. However, I faced trouble in the process of waiting for the file to download completely. I want to download many files, and each file has a different size, so I can't set the <code>time.sleep(time)</code> in general.</p> <p>I try to combine a <code>Thread...
<python><python-3.x><selenium-webdriver>
2023-04-15 16:53:07
1
917
ThanhLam112358
76,023,557
3,070,181
Can I create an executable Python zip archive with dependencies?
<p>I have a small python application developed on Nix that I wish to distribute to some M$ Windows users. It seems that an <a href="https://docs.python.org/3/library/zipapp.html" rel="nofollow noreferrer">executable Python zip archive</a> is an excellent way to achieve this.</p> <p>However, I would like to include dep...
<python><python-packaging><zipapp>
2023-04-15 16:52:34
2
3,841
Psionman
76,023,530
3,034,631
All other transforms disappear after broadcasting my custom odom to base_link transform (ROS2 Foxy)
<p>I have made a node to broadcast the odometry transform and publish the odometry topic. Before I run this new node, everything looks good. However, when I run my odometry node, and broadcast the tf odom to base_link, all other transforms to base_link disappear.</p> <p>I have searched the internet a lot but I can't fi...
<python><ros>
2023-04-15 16:47:03
1
342
guidout
76,023,269
5,561,875
How to apply a rotation to a node in trimesh
<p>I have a <code>.glb</code> glTF file that specifies a character. The character has 75 nodes, and no animation track.</p> <p>I wrote the following code to render the character, and now I would like to apply some rotation to specific nodes before I render it.</p> <p>My rendering code is:</p> <pre class="lang-py pretty...
<python><gltf><trimesh>
2023-04-15 15:43:55
1
6,344
Amit
76,023,246
15,724,084
inside nested loops appending list to a new list gives unexpected result
<p>I have tried to write my error issue in reproducible manner for platform to be seen and guided. I cannot see my logic gap why this error happens. I have a inner loop which brings new elements while scraping and appends it to list named <code>list_inner</code>. Then in outer loop list named <code>list_outer</code> ap...
<python>
2023-04-15 15:39:36
2
741
xlmaster
76,023,235
19,553,193
Cannot reinitialise DataTable in Django
<p>I'm confused on how can I infuse my json format from django to Datatable , what I tried below using loop in the script</p> <p><code>{% for json in company %}</code> <code>&lt;script&gt;..&lt;/script&gt;</code> <code>{% endfor% }</code></p> <p>but It persist error <code>DataTables warning: table id=DataTables_Tabl...
<python><django>
2023-04-15 15:36:57
1
335
marivic valdehueza
76,023,117
1,488,363
Scrapy in python - save within the parse function -thread safe?
<p>I'm using scrapy to download pages. I would like to save all the downloaded pages in a single file. I have the following code for the constructor and parse:</p> <pre><code> def __init__(self): self.time = time_utils.get_current_time_hr() self.folder = f&quot;{ROOT_DIR}/data/tickers/scrapy/{self.ti...
<python><scrapy>
2023-04-15 15:13:30
1
1,554
dotan
76,023,089
20,646,254
How to connect DigitalOcean Function to MySQL?
<p>I have created a simple Python Function (section Functions and NOT Apps). The function needs to access the MySQL database (the database is also created on DigitalOcean). When running the function I get an error: &quot;2023-04-15T13:55:42.402632917Z stderr: The function exceeded its time limits of 6000 milliseconds. ...
<python><function><digital-ocean>
2023-04-15 15:07:33
1
447
TaKo
76,023,085
912,873
Native messaging not working from host to chrome extension
<p>I am working on a chrome extension native messaging with the host on Python. The communication from extension to python works perfectly fine. But when I am trying to send the message from the host to the extension, it is not working. I am getting no errors. Even I have enabled logging for the browser. I have tested ...
<javascript><python><google-chrome><google-chrome-extension><chrome-native-messaging>
2023-04-15 15:06:55
0
2,841
pvnarula
76,022,985
7,987,455
Web Scraping by BeautifulSoup if the data shown only if I click "show details"
<p>I am trying to scrape data from selling cars website, when I enter the website I see a table of cars (type, price, year), but if I want to know more details about the car I have to click on the car and then it shows more details. How can i scrape data from the those details without Selenium?</p> <pre><code>import he...
<python><web-scraping><beautifulsoup>
2023-04-15 14:51:31
1
315
Ahmad Abdelbaset
76,022,890
6,528,055
Why are my deep learning models giving unreasonably high accuracy on test data?
<p>I'm trying to do sarcasm detection on Twitter data to replicate the results mentioned in this <a href="https://aclanthology.org/2020.wnut-1.2.pdf" rel="nofollow noreferrer">paper</a>. Binary classification problem. For that I used a separate set of <strong>unlabeled</strong> tweets to create the embedding matrix usi...
<python><keras><deep-learning><nlp><text-classification>
2023-04-15 14:34:58
0
969
Debbie
76,022,501
1,804,027
How can I capture raw messages that are coming out to OpenAI API?
<p>I'm using LangChain to build prompts that are later sent to the OpenAI API. I've built an agent, but it's behaving a bit differently than I expected. It looks like it's missing some of my instructions that I included in the prompt. Specifically: it seems to not remember past messages. I'm looking for a way to debug ...
<python><openai-api><langchain>
2023-04-15 13:15:59
2
11,299
Piotrek
76,022,365
13,078,279
Why does the jacobian of the metric tensor give zero?
<p>I am trying to compute the derivatives of the <a href="https://en.wikipedia.org/wiki/Metric_tensor" rel="nofollow noreferrer">metric tensor</a> given as follows:</p> <p><img src="https://quicklatex.com/cache3/e6/ql_b24e8838c420fed42f5ae46a5346c9e6_l3.png" alt="Metric tensor in spherical coordinates" /></p> <p>As par...
<python><pytorch><autograd>
2023-04-15 12:49:01
1
416
JS4137
76,022,351
885,764
Python lists always assign reference not value
<p>I want to copy list values to another list because I modify the original one and use the new one. Bu t whatever I try it will alwasy assign reference not value.</p> <pre><code>class Chromosome: def __init__(self): self.matrix = [[0 for x in range(LENGTH)] for y in range(LENGTH)] class Population: ...
<python><python-3.x><list><reference>
2023-04-15 12:44:48
1
2,234
Hakan SONMEZ
76,022,291
13,492,584
Get list of latest installed python packages
<p>I am trying to get an ordered list of the lastest installed packages in Python. I am using pip (I cannot use -conda or terminal). The instruction <code>pip list</code> returns all the packages I have ever installed. Since I installed a package which damaged the older ones, I need the list of the latest installed pac...
<python><pip><package>
2023-04-15 12:32:25
2
644
hellomynameisA
76,022,237
2,663,585
working examples of js.amcharts in python
<p>I came across this <a href="https://pypi.org/project/js.amcharts" rel="nofollow noreferrer">link</a> for using js.amcharts in python, but couldn't find any working examples of the same. I did try googling but no luck. Can someone please help me on this? I like the 3d charts in amcharts and thus want to generate a PD...
<python><amcharts>
2023-04-15 12:20:33
1
2,561
Iowa