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75,661,472
12,297,666
Reverse the order of columns without changing the column labels pandas dataframe
<p>I need to reverse the order of my pandas dataframe. But using the following code:</p> <pre><code>df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6], 'C': [7, 8, 9]}) df = df.iloc[:, ::-1] </code></pre> <p>also reverses the order of the column labels. How can i reverse only the data and maintain the column labels? I e...
<python><pandas>
2023-03-07 11:36:23
3
679
Murilo
75,661,356
130,964
Inserting a new root element in lxml
<p>I have an xml file (not necessarily html):</p> <pre><code>&lt;div&gt; &lt;p&gt;...&lt;/p&gt; &lt;/div&gt; </code></pre> <p>and I wish to insert a new <code>html</code> root element to give</p> <pre><code>&lt;html&gt; &lt;div&gt; &lt;p&gt;...&lt;/p&gt; &lt;/div&gt; &lt;/html&gt; </code></pre> <p>(I will add...
<python><lxml>
2023-03-07 11:23:56
1
38,146
peter.murray.rust
75,661,313
272,023
How are class variables handled when methods in multiprocessing.Process access them?
<pre><code>class MyClass: def __init__(self, my_val): self.my_val = my_val def process_one(self): ... do something, maybe access self.my_val def do_work(self): sub_process = multiprocessing.Process(target=self.process_one) ... now do work and maybe access self.my_val ...
<python>
2023-03-07 11:18:32
2
12,131
John
75,661,181
2,218,086
Floating Point Accuracy Problems While Calculating Pi
<p>I'm trying to use random numbers to estimate the value of Pi. The <a href="https://theabbie.github.io/blog/estimate-pi-using-random-numbers.html" rel="nofollow noreferrer">example I started with</a> obviously has some problems which is a good thing as it means I have to understand it so I can fix it.</p> <pre><code>...
<python>
2023-03-07 11:05:24
2
411
David P
75,661,144
461,499
airflow PostgresOperator report number of inserts/updates/deletes
<p>I'm exploring replacing our home-build SQL file orchestration framework with apache airflow.</p> <p>We currently have extensive logging on execution time, history and number of records <code>INSERTED</code>/<code>UPDATED</code>/<code>DELETED</code>. The first two are supported by Airflow standard logging, however, I...
<python><postgresql><airflow>
2023-03-07 11:02:22
1
20,319
Rob Audenaerde
75,661,090
5,587,736
How to clean up a timed out request to prevent a memory leak?
<p>Structure: A FastAPI service wrapped in a docker container with a 1gb memory limit.</p> <p>User: A script that sends requests to this docker container.</p> <p>Problem: Whenever a request is sent to the service that reaches the timeout limit, a memory leak occurs, because the request is not actually cancelled. Rather...
<python><docker><memory-leaks><fastapi>
2023-03-07 10:57:18
0
697
Kroshtan
75,661,029
17,082,611
Check whether a variable is instance of ResNet50
<p>I am checking whether</p> <pre><code>model = ResNet50(weights='imagenet', include_top=False, pooling=&quot;avg&quot;) </code></pre> <p>is instance of</p> <pre><code>keras.applications.ResNet50 </code></pre> <p>What I have done is:</p> <pre><code>isinstance(model, ResNet50) </code></pre> <p>but unfortunately this is ...
<python><keras><instance>
2023-03-07 10:50:12
1
481
tail
75,660,958
4,050,510
Why does NaN-comparisons warn only inside np.frompyfunc?
<p>If you compare <code>np.nan</code> to some other value <em>and you do it in a <code>np.frompyfunc</code></em>, will raise a warning. Why is this? Is it a bug or a feature?</p> <pre class="lang-py prettyprint-override"><code>import numpy as np func = np.frompyfunc(lambda x: x&lt;0,nin=1,nout=1) print(func(1)) ...
<python><numpy><nan><numpy-ufunc>
2023-03-07 10:43:14
0
4,934
LudvigH
75,660,861
11,894,831
Closing cursors and exception
<p>What is the &quot;correct&quot; way to deal with exceptions in a code block using a SQL cursor ? Is it necessary/recommended to close the cursor and the database? If so, what is the correct way to do it?</p> <p>I use to do it like this:</p> <pre><code> try: my_cursor = my_database.cursor(buffered=True) ...
<python><sql><database-cursor>
2023-03-07 10:36:47
2
475
8oris
75,660,760
4,473,615
Flask TypeError: Expected bytes
<p>I'm trying to get data from a table and response the result. I am facing this issue since the data is from a database. Below is the code:</p> <pre><code>cursor = connection.cursor() cursor.execute(&quot;&quot;&quot;select * from table&quot;&quot;&quot;) result = cursor.fetchall() for row in result: data = row co...
<python><flask>
2023-03-07 10:27:32
1
5,241
Jim Macaulay
75,660,756
14,752,392
proper way to import django base settings in production settings
<p>I have seen alot of articles and videos about the best practices when it comes to managing django settings file. And almost of them talks about having a base settings <code>base_settings.py</code> and then environment settings, like <code>development_settings.py</code>, <code>production_settings.py</code> etc.</p> <...
<python><django><django-rest-framework><pytest><django-settings>
2023-03-07 10:27:09
0
918
se7en
75,660,728
12,783,363
How to allow macOS punctuations without using quotations or backslash in terminal but by using argparse or sys.argv?
<p>Currently I have the following code:</p> <p>bubble.py</p> <pre><code>import argparse parser = argparse.ArgumentParser(description=&quot;Create pixel art bubble speech image&quot;) parser.add_argument('text', type=str, nargs='+', help=&quot;Text inside the bubble speech&quot;) args = parser.parse_args() </code></pre...
<python><macos><argparse>
2023-03-07 10:25:15
1
916
Jobo Fernandez
75,660,706
3,909,896
Replace column value substring with hash of substring in PySpark
<p>I have a dataframe with a column containing a description including customer ids which I need to replace with their <code>sha2</code> hashed version.</p> <p>Example: the column value <code>&quot;X customer 0013120109 in country AU.</code> should be turned into <code>&quot;X customer d8e824e6a2d5b32830c93ee0ca690ac6c...
<python><pyspark>
2023-03-07 10:23:00
2
3,013
Cribber
75,660,540
7,208,845
Python3 return multiple contextmanagers from a function to be used in a single with statement
<p>Given:</p> <pre><code>con = psycopg2.connect() with con, con.cursor() as c: c.execute() # some query inside here </code></pre> <p>According to the psycopg2 documentation <a href="https://www.psycopg.org/docs/usage.html#transactions-control" rel="nofollow noreferrer">https://www.psycopg.org/docs/usage.html#transac...
<python><psycopg2>
2023-03-07 10:07:04
1
347
LinG
75,660,485
14,594,208
How to remove possible suffix repetitions from a str column?
<p>Consider the following dataframe, where the suffix in a <code>str</code> column <strong>might</strong> be repeating itself:</p> <pre class="lang-py prettyprint-override"><code> Book 0 Book1.pdf 1 Book2.pdf.pdf 2 Book3.epub 3 Book4.mobi.mobi 4 Book5.epub.epub </code></pre> <p>Desired output (removed suff...
<python><pandas>
2023-03-07 10:02:20
1
1,066
theodosis
75,660,364
11,974,163
How does data conversion work between pyodbc and sql server?
<p>I'm building an automated script where I inject some data into sql server using pyodbc, with this line (basic example):</p> <pre><code>cursor.execute(sql_query, data) </code></pre> <p>Given that I've created/designed a sql server database and table locally, the data seems to be converted automatically - &quot;under ...
<python><sql-server><pyodbc>
2023-03-07 09:52:09
1
457
pragmatic learner
75,660,251
6,832,201
Textual: UI is not updating after change the value
<p>I am trying to build a simple TUI based app using Python's <code>textual</code> package. I have one left panel where I want to display list of items and on right panel I wan to show details of the selected item from left panel. So I want add items in the left panel using keybinding provided by textual lib but when I...
<python><python-3.x><state><rich><textual>
2023-03-07 09:42:49
1
3,036
Ropali Munshi
75,660,214
12,883,297
Identify the day diff between 2 dates in a column and flag the pattern in pandas
<p>I have a dataframe</p> <pre><code>df_in = pd.DataFrame([[&quot;A&quot;,&quot;2023-02-04&quot;],[&quot;A&quot;,&quot;2023-02-05&quot;],[&quot;A&quot;,&quot;2023-02-06&quot;],[&quot;B&quot;,&quot;2023-02-06&quot;],[&quot;B&quot;,&quot;2023-02-13&quot;],[&quot;B&quot;,&quot;2023-02-20&quot;], [&qu...
<python><python-3.x><pandas><dataframe><datetime>
2023-03-07 09:39:24
2
611
Chethan
75,660,016
1,627,234
Multiply scipy sparse matrix with a 3d numpy array
<p>I have the following matrices</p> <pre class="lang-py prettyprint-override"><code>a = sp.random(150, 150) x = np.random.normal(0, 1, size=(150, 20)) </code></pre> <p>and I would basically like to implement the following formula</p> <p><img src="https://latex.codecogs.com/svg.image?%5Csigma_%7Bk%7D&amp;space;=&amp;sp...
<python><arrays><numpy><scipy><sparse-matrix>
2023-03-07 09:18:12
2
5,558
Pavlin
75,660,014
5,722,932
Flask Celery - RabbitMQ Connection is not Working
<p>I have developed the flask application. I want to send mail from my application. So I choose the Background process using Celery &amp; RabbitMQ I got the below error while pull the data .</p> <pre class="lang-py prettyprint-override"><code>celery=Celery( 'sequre_spacement_backend', broker = app.config['QUEU...
<python><flask><rabbitmq><celery>
2023-03-07 09:18:07
1
7,393
Selvamani P
75,659,953
13,329,117
Python's argeparse using same option multiple times, but put those options in same list
<p>In Python's argparse, using the same option multiple times puts those arguments in different lists. But I want those arguments on the same list.</p> <p>The result I have got is:</p> <pre class="lang-py prettyprint-override"><code># only the input portion [ [input1, input2], [input3, input4, input5], [inp...
<python><argparse><multiple-arguments>
2023-03-07 09:11:20
1
535
Shezan
75,659,888
16,971,617
Convert numpy array to binary array in numpy
<p>Say I have a 3D numpy array <code>(100*100*4)</code>. I would like to convert non-255 vector ([255,255,255,255]) to [0,0,0,255]</p> <pre class="lang-py prettyprint-override"><code># genearte a numpy array np.random.seed(seed=777) s = np.random.randint(low=0, high = 255, size=(100, 100, 4)) print(s) </code></pre> <p>...
<python><numpy><optimization>
2023-03-07 09:05:24
5
539
user16971617
75,659,832
12,242,085
How to add values from list as a row in DataFrame if values from list do not exist in DF with defined values in other columns in DF in Python Pandas?
<p>I have Pandas DataFrame in Python like below:</p> <p><strong>Example data:</strong></p> <pre><code>COL1 | COL2 | COL3 ------|------|------- var1 | xxx | 20 var2 | xxx | 10 var3 | yyy | 10 </code></pre> <p>And I have list like the follow: <code>list_1 = [&quot;var1&quot;, &quot;var5&quot;]</code></p> <p><stron...
<python><pandas><dataframe><list>
2023-03-07 08:59:44
2
2,350
dingaro
75,659,800
5,181,219
PySpark: make DataFrame no longer accessible
<p>My goal is to write two functions <code>capture</code> and <code>release</code> which take a PySpark DataFrame as input and make it &quot;inaccessible&quot; to the user. The behavior I'm looking for is something like:</p> <pre class="lang-py prettyprint-override"><code>df = spark.read.csv(&quot;...&quot;) # or some ...
<python><apache-spark><pyspark>
2023-03-07 08:56:44
1
1,092
Ted
75,659,729
2,132,691
How do I specify a default value in one field an sqlalchemy engine INSERT statement?
<p>I use raw SQLAlchemy <code>engine.execute()</code> calls to perform INSERT statements, e.g.</p> <pre><code>engine = create_engine(&quot;mysql+pymysql://...&quot;) engine.execute(&quot;INSERT INTO table VALUES (%s, %s, %s %s)&quot;, v1, v2, v3, v4) </code></pre> <p>Now lets imagine that the third column is defined as...
<python><mysql><sqlalchemy>
2023-03-07 08:48:58
1
368
florian
75,659,699
4,576,519
How to accurately calculate high Lp norms in PyTorch
<p>I am using <code>torch.norm</code> to calculate <a href="https://en.wikipedia.org/wiki/Lp_space#Definition" rel="nofollow noreferrer">Lp norms</a> with relatively large values for <code>p</code> (in the range of 10-50). The vectors I do this for have relatively small values and I notice that the result incorrectly b...
<python><precision><linear-algebra><torch><magnitude>
2023-03-07 08:45:54
1
6,829
Thomas Wagenaar
75,659,606
2,998,077
To get trend-line's equation (polynomial, order 2)
<p>A simple dataframe that I want to plot it with its trend-line (polynomial, order 2). However I got the equation obviously wrong:</p> <pre><code>y = 1.4x**2 + 6.6x + 0.9 </code></pre> <p>It shall be:</p> <pre><code>y = 0.22x2 - 1.45x + 11.867 # the &quot;2&quot; after x is square </code></pre> <p>How can I get the c...
<python><pandas><equation><coefficients><trendline>
2023-03-07 08:36:00
1
9,496
Mark K
75,659,393
5,334,697
Python convert raw text to Yaml or Json
<p>Is there any way where we can convert raw text yaml formatted data to yaml file or json. I'm getting a raw file data in response as</p> <pre><code>image: artifactory.test.com/hello:v1 stages: - build build-job-example: stage: build script: - echo &quot;Building the 'Hello World' app&quot; - python3 --...
<python><python-3.x><gitlab>
2023-03-07 08:10:13
1
2,169
Aditya Malviya
75,658,955
7,559,069
BytesIO readline method returns bytes although there is no newline b"\n"
<p>I am using <strong>readline</strong> method from BytesIO API. Expecting to get empty bytes but the method always returns whatever the buffer contains.</p> <pre><code>b = io.BytesIO() b.write(b&quot;foo&quot;) # Note that there is not newline \n b.seek(0) # Move to beginning of buffer b.readline() </code></pre> <p>...
<python><byte><buffer><readline><bytesio>
2023-03-07 07:16:37
0
495
Antman
75,658,724
597,858
How to calculate the rate of interest in compound interest problem using python
<p>I know how to calculate compound interest in python using this function:</p> <pre><code>def compound_interest(principal, rate, time): # Calculates compound interest Amount = principal * (pow((1 + rate / 100), time)) CI = Amount - principal print(&quot;Compound interest is&quot;, CI) </code></pre> <...
<python>
2023-03-07 06:44:14
1
10,020
KawaiKx
75,658,529
1,354,400
Polars cumulative sum over consecutive groups
<p>I have a DataFrame like so:</p> <pre class="lang-py prettyprint-override"><code>import polars as pl df = pl.from_repr(&quot;&quot;&quot; ┌────────────┬───────┬───────┐ │ Date ┆ Group ┆ Value │ │ --- ┆ --- ┆ --- │ │ date ┆ i64 ┆ i64 │ ╞════════════╪═══════╪═══════╡ │ 2020-01-01 ┆ 0 ┆ 5...
<python><dataframe><window-functions><python-polars><cumulative-sum>
2023-03-07 06:09:01
1
902
Syafiq Kamarul Azman
75,658,389
346,977
Pandas/matplotlib newbie: aggregating time series data with differing indices?
<p>I'm getting to grips with pandas/matplotlib, and looking to aggregate multiple data series with (marginally) differing indices. For example:</p> <p><strong>Series 1</strong></p> <div class="s-table-container"> <table class="s-table"> <thead> <tr> <th>seconds_since_start</th> <th>Value</th> </tr> </thead> <tbody> <tr...
<python><pandas><matplotlib>
2023-03-07 05:40:14
2
12,635
PlankTon
75,658,340
21,346,793
Why does the program return an empty response
<p>This is my code in FLASK. I try to make validation form in flask library. also i try to check it with postman request. But it doesn't work, please help:</p> <pre><code>from flask import Flask from flask_wtf import FlaskForm from wtforms import StringField, IntegerField app = Flask(__name__) app.config['WTF_CSRF_ENA...
<python><flask>
2023-03-07 05:32:01
1
400
Ubuty_programmist_7
75,658,318
1,039,860
using keys to navigate a QComboBox in a QDialog
<p>I have a QDialog with a QComboBox and a cancel button. The two options the user has is to either select an item from the QComboBox or hit the cancel button. I would like the user to have the option of navigating with keys instead of just the mouse. ESC would press the cancel button, moving the keys up and down move...
<python><qcombobox>
2023-03-07 05:27:45
1
1,116
jordanthompson
75,658,285
5,550,284
How to append strings to the column of a Dataframe from another array in Pandas?
<p>I have a Dataframe that looks like below</p> <pre><code> ip metric 0 10.10.20.9 0 1 10.10.1.25 0 2 10.1.13.45 0 3 10.1.100.101 0 4 10.1.100.11 0 5 10.11.2.100 0 6 10.1.2.151 0 7 10.1.2.184 0 8 10.1.20.185...
<python><pandas>
2023-03-07 05:21:27
2
3,056
Souvik Ray
75,658,264
266,185
How to wait but not block thread when getting a resource in python?
<p>Suppose we need to create a database connection pool, the requirement is that when a client tries to get a connection, if all exisiting connections are busy, then need to wait for 30 second before giving up, hope some connections are released by other client. So the naive solution is</p> <pre><code>def get_connectio...
<python><block>
2023-03-07 05:16:16
1
6,013
Daniel Wu
75,658,054
5,976,033
Azure Function timeout after 5mins even though `functionTimeout` is set to `00:10:00` in `host.json`
<p>I'm stumped here. I have an Azure Function with Python runtime, Consumption Plan, Timer Trigger.</p> <p>Every time the Function runs it timesout at 5mins even though the <code>host.json</code> is set for 10mins.</p> <p><code>host.json</code>:</p> <pre><code>{ &quot;version&quot;: &quot;2.0&quot;, &quot;functionT...
<python><azure-functions><timeout>
2023-03-07 04:30:05
1
4,456
SeaDude
75,658,016
8,032,151
How to configure setuptools_scm to always generate timestamp and git hash
<p>The <a href="https://github.com/pypa/setuptools_scm" rel="nofollow noreferrer"><code>setuptools_scm</code></a> package by default could generate 4 different version messages.</p> <pre><code>no distance and clean: {tag} distance and clean: {next_version}.dev{distance}+{scm letter}{revision hash} no distance and not c...
<python><pip><setuptools><setuptools-scm>
2023-03-07 04:20:00
1
761
Billy
75,658,015
10,200,497
Percent change of values that are not NaN
<p>This is my dataframe:</p> <pre><code>df = pd.DataFrame({'a': [10, 11, 20, 80, 1, 22], 'b':['x', np.nan, 'x', np.nan, np.nan, 'x']}) </code></pre> <p>And this is the output that I want:</p> <pre><code> a b c 0 10 x NaN 1 11 NaN NaN 2 20 x 100 3 80 NaN NaN 4 1 NaN NaN 5 22...
<python><pandas>
2023-03-07 04:19:02
1
2,679
AmirX
75,658,000
8,609,411
How to refresh a dataset in Power BI Service which uses Python script connector as a source?
<p>I've a report which uses Python script connector as a source. Below is the example of the code.</p> <pre><code>import requests import json import pandas as pd authentication_url = &quot;https://name.api.yyyymanager.com/Authentication/AuthorizeUser&quot; credentials = { &quot;Username&quot;:&quot;Sh...
<python><powerbi><powerbi-datasource>
2023-03-07 04:15:30
1
651
Shahab Haidar
75,657,926
18,148,705
Unable to iterate through a json
<p>I have a json object that looks something like this</p> <pre><code>[{'&quot;p&quot;': '{&quot;n&quot;:&quot;s&quot;,&quot;i&quot;:&quot;1&quot;}'},.....] </code></pre> <p>Just imagine multiple objects like this. I want to iterate through this and access n and i keys like a normal json but unfortunately, i am not abl...
<python><json>
2023-03-07 03:59:47
2
335
user18148705
75,657,924
17,473,587
What is or inside int in python?
<p>This function:</p> <pre><code>def posts(request): # Get start and end points start = int(request.GET.get(&quot;start&quot;) or 0) end = int(request.GET.get(&quot;end&quot;) or (start + 9)) # Generate list of posts data = [] for i in range(start, end + 1): data.append(f&quot;Post #{i...
<python>
2023-03-07 03:58:39
0
360
parmer_110
75,657,917
1,223,946
How to define a script in the venv/bin dir with pyproject.toml (in hatch or any other wrapper)
<p>Im unsure about the <a href="https://packaging.python.org/en/latest/tutorials/packaging-projects/#creating-pyproject-toml" rel="nofollow noreferrer">new doc</a> on packaging with <a href="https://hatch.pypa.io/latest/" rel="nofollow noreferrer">hatch</a> and wonder if someone worked out how to define a script in a p...
<python><pip><setuptools><hatch>
2023-03-07 03:56:16
1
2,176
Peter Moore
75,657,887
815,653
How to understand a line of dead code in a python function?
<p>The following code comes from Ply, python’s lexer and parser. I understand the first line is a raw string but I also feel that the first line of the code looks like dead code and will be discarded in execution. How could I understand that line of code?</p> <pre><code>def t_newline(t): r'\n+' t.lexer.lineno +...
<python><ply><dead-code>
2023-03-07 03:48:13
2
10,344
zell
75,657,798
1,033,591
Chrome browser can't get csrf from cookie
<p>I copy the code from Django official site to get csrftoken from cookie.</p> <pre><code>function getCookie(name) { let cookieValue = null; if (document.cookie &amp;&amp; document.cookie !== '') { const cookies = document.cookie.split(';'); for (let i = 0; i &lt; cookies.length; i++) { const cookie = c...
<javascript><python><django>
2023-03-07 03:27:44
0
2,147
Alston
75,657,731
15,299,206
How to update the string with priority order in the dictionary
<p>I have list of dict below</p> <pre><code>data = [ { 'Pencil': 'Green' }, { 'Pen': 'N/A' }, { 'Scale': 'Red' }, { 'Compass': 'N/A'}] </code></pre> <p>My priority order is below</p> <pre><code>priority_order = {'Red':4, 'Orange':3, 'Yellow':2, 'Green':1, 'Undefined': 0} </code></pre> <p>I have main variable which h...
<python>
2023-03-07 03:15:32
3
488
sim
75,657,663
9,766,517
Obtaining decimal from 2-Byte hex
<p>I have a problem where we are given the barometric pressure (Hg/1000) as 2 Bytes. The data is from a serial readout and we are provided with the following information regarding that:</p> <ul> <li>8 data bits</li> <li>1 Start bit</li> <li>1 Stop bits</li> <li>No Parity</li> </ul> <p>I am trying to convert the bytes i...
<python><hex><data-conversion>
2023-03-07 02:59:55
1
418
Ellis Thompson
75,657,537
2,035,204
Pandas - alternatives to iterating over every row if what you need is the result of row-to-row operations, not just the "end result"
<p>I am trying to analyse rentals - meaning that theoretically, every user is at one point returning what he took out. I have a dataframe that looks like this:</p> <pre><code>| id | date | giver | taker | type | items | |----|-----------|-------|-------|--------|---------------------...
<python><pandas><dictionary><optimization><vectorization>
2023-03-07 02:26:05
0
697
Entman
75,657,297
10,339,757
Get aggregates from different Dataframe to current Dataframe with conditions
<p>I have a harvest dataframe and a weather dataframe. I want to get the number of days above a temp threshold for the previous x months before harvest for all blocks. Note the harvest dataframe includes multiple years and the id is not 1-1 between frames, ie 2 blocks in harvest df can share an ID that correspond to a ...
<python><python-3.x><pandas><dataframe><pandas-merge>
2023-03-07 01:31:46
1
371
thefrollickingnerd
75,657,133
6,202,327
Sympy yields `TypeError: unsupported operand type(s) for *: 'interval' and 'complex'` for complex rational expression
<p>I have this sympy script:</p> <pre class="lang-py prettyprint-override"><code>from sympy import * from sympy.plotting import plot_implicit x, y = symbols('x y', real=True) alpha = sqrt(2) / 2 expr = 1 + ((1-alpha) * x + y*I) / (1 - alpha * (x + y*I))**2 expr = Eq(abs(expr), 1) p1 = plot_implicit(expr) </code></pr...
<python><math><sympy><numerical-methods>
2023-03-07 00:51:36
1
9,951
Makogan
75,656,915
2,924,334
re.sub a list of words, ignore case
<p>I am trying to add the html <code>&lt;b&gt;</code> element to a list of words in a sentence. After doing some search I got it almost working, except the ignore-case.</p> <pre><code>import re bolds = ['test', 'tested'] # I want to bold these words, ignoring-case text = &quot;Test lorem tested ipsum dolor sit amet t...
<python><python-re>
2023-03-07 00:05:10
1
587
tikka
75,656,893
1,039,860
Trying to get cellEntered connection to work with QTableWidget (I want to trigger one or more callbacks)
<p>I am trying to get a callback when a cell is entered <strong>either by clicking or navigating</strong> into with arrow or tab keys (<strong>basically when it gets focus</strong>.) I have tried many of the different connections to no avail (either they flat out are never called or when they are, self.currentItem() r...
<python><pyqt5><qtablewidget>
2023-03-06 23:59:16
0
1,116
jordanthompson
75,656,846
11,141,816
Is there a way for python to perform a matrix inversion at 500 decimal precision
<p>There's an algorithm sensitive to the precision of the output. Especially, the paper required a real matrix inverse to be performed at 500 decimals precision. I wanted to write a script to check the result with python. However, the largest float data type used in numpy was np.float128, and the deicmal package does n...
<python><numpy><matrix>
2023-03-06 23:48:52
1
593
ShoutOutAndCalculate
75,656,804
21,343,992
Create EC2 instance, start instance and run Linux command using Boto3
<p>I am trying to create an AWS EC2 instance, start it, execute a simple Linux command and print the output. However, I keep getting:</p> <blockquote> <p>botocore.errorfactory.InvalidInstanceId: An error occurred (InvalidInstanceId) when calling the SendCommand operation: Instances [[the_instance_id]] not in a valid st...
<python><amazon-web-services><amazon-ec2><boto3>
2023-03-06 23:41:12
1
491
rare77
75,656,736
8,119,664
Is there a way to reshape a Pandas Series into bins based on time intervals and select one of them?
<p>So I have a timeseries stored on a Pandas Series:</p> <pre class="lang-py prettyprint-override"><code>data = pd.Series(data=[0,1,3,5], index=pd.to_timedelta([0, 15, 30, 45], unit='min')) </code></pre> <p>I wanted to group those data into 30 minute intervals, and then select all the data of the second interval. By lo...
<python><pandas><dataframe><numpy><time-series>
2023-03-06 23:26:52
1
480
CurlyError
75,656,533
1,701,545
Unable to load pandas in R reticulate due to missing GLIBCXX_3.4.29
<p>I'm trying to use <code>R</code>'s <code>reticulate</code> package for loading <code>python</code>'s <code>pandas</code> package in <code>R</code>.</p> <p>I have <code>python3.8</code>, and I installed <code>pandas</code> through <code>conda</code>. In <code>python</code> <code>pandas</code> imports fine but in <cod...
<python><r><pandas><glibc><reticulate>
2023-03-06 22:47:54
2
6,330
user1701545
75,656,499
11,546,773
Dask/pandas apply function and return multiple rows
<p>I'm trying to return a dataframe from the dask <code>map_partitions</code> function. The example code I provided returns a 2 row dataframe in the function. However only 1 row is shown in the end result. Which is in this case only the column name row. I removed the column names in previous test examples but even then...
<python><pandas><numpy><dask><dask-delayed>
2023-03-06 22:40:41
2
388
Sam
75,656,461
2,213,309
logging to stdout and to file
<p>I want some of my loggings to be printed to the terminal and some others exclusively printed to a file.</p> <pre><code>import logging as log filelog = log.getLogger ('file') filelog.addHandler ( log.FileHandler ('example.log') ) filelog.setLevel (log.DEBUG) log.getLogger().setLevel (log.DEBUG) log.debug ('print to...
<python><logging><python-logging>
2023-03-06 22:34:27
1
2,259
flappix
75,656,255
13,138,364
Plot horizontal bars using seaborn.objects
<p>In the original API, <a href="https://seaborn.pydata.org/generated/seaborn.barplot.html" rel="nofollow noreferrer"><code>barplot</code></a> provided an <code>orient</code> parameter to swap bar orientation:</p> <pre class="lang-py prettyprint-override"><code>import pandas as pd, numpy as np, seaborn as sns df = pd....
<python><seaborn><bar-chart><seaborn-objects>
2023-03-06 22:04:26
2
42,007
tdy
75,656,240
17,696,880
How to split and reorder the content inside the ((PERS)) tag by ' y ' or ' y)' using Python regular expressions?
<pre class="lang-py prettyprint-override"><code>import re input_text = &quot;((PERS) Marcos Sy y) ((PERS) Lucy) estuvieron ((VERB) jugando) sdds&quot; #example 1 input_text = &quot;ashsahghgsa ((PERS) María y Rosa ds) son alumnas de esa escuela y juegan juntas&quot; #example 2 input_text = re.sub( ...
<python><regex><split>
2023-03-06 22:02:46
3
875
Matt095
75,656,086
9,392,446
transpose columns and create list in new column
<p>Very difficult question to fit into a title. Let me explain:</p> <p>let's say i have a df like this:</p> <pre><code>id 'state': 'texas' 'phone_type': 'iphone' 'email_domain': 'gmail' 111 1 0 1 222 0 1 1 123 ...
<python><pandas>
2023-03-06 21:38:50
3
693
max
75,656,074
12,469,912
How to efficiently generate unique random non-zero integers from specific spaces in a range?
<p>I want to generate 100 pairs of unique random non-zero integers from the range (-150, 151). But I want my code to generate from specific areas in (-150, 151). I have coded it as follows:</p> <pre><code>import random my_list = [] c = 0 while c &lt; 100: if c &lt; 5: # Both values are unique. firs...
<python><python-3.x>
2023-03-06 21:36:46
3
599
plpm
75,656,026
1,015,155
Why does numpy.vectorize give a warning about an invalid value when using uncertainties?
<p>With Python 3.10, numpy 1.23.5, and <a href="https://uncertainties-python-package.readthedocs.io/en/latest/" rel="nofollow noreferrer">uncertainties</a> 3.1.7 (on Linux; specifically using packages from conda-forge on Fedora 37), the following code:</p> <pre class="lang-py prettyprint-override"><code>import numpy as...
<python><numpy>
2023-03-06 21:31:02
1
1,123
ws_e_c421
75,656,004
16,547,860
Connect remote Hive server in VS Code
<p>I am learning Pyspark and Hive. Currently, I want to connect to Hive remote server from VS Code. I would like to access the table and do some ETL using pyspark and write the new table back to the HIVE server. I am using the windows operating system and python language. Any help, documentation, or links are greatly a...
<python><visual-studio-code><pyspark><hive><bigdata>
2023-03-06 21:26:47
1
312
Shiva
75,655,926
2,324,259
Pandas groupby apply (nested) slow
<p>I have a dataframe with 'category' and 'number' columns. I want to create a new column 'avg_of_largest_2_from_prev_5' which is calculated after grouping by 'category' and averaging highest 2 values from the previous 5 rows' number values, excluding the current row.</p> <pre><code>np.random.seed(123) n_rows = 10000 d...
<python><pandas><dataframe>
2023-03-06 21:16:26
2
571
Emre
75,655,848
6,107,054
Reference instance attribute in parameterized decorator
<p>I have a method in a class that leverages <code>cachetools</code>'s <code>ttl_cache</code>. I want to be able to create different instance of the class with different <code>ttl</code> values.</p> <p>The <code>ttl</code> value is specific as a parameter of <code>ttl_cache()</code>, but I am unable to reference instan...
<python><caching><decorator><python-decorators>
2023-03-06 21:05:50
1
2,427
aberger
75,655,836
6,687,699
ResourceWarning: unclosed file <_io.BufferedReader name=
<p>I have used <code>with open</code> but no luck but I still get this error :</p> <pre><code> ResourceWarning: unclosed file &lt;_io.BufferedReader name='/home/idris/Documents/workspace/captiq/captiq/static/docs/CAPTIQ Datenschutzhinweise.pdf'&gt; attachment=customer_profile.get_attachments(), ResourceWarning: Enabl...
<python><django>
2023-03-06 21:04:04
0
4,030
Lutaaya Huzaifah Idris
75,655,693
14,368,631
Package C++ extension using setuptools along with a stub file
<p>So I have the following file structure:</p> <pre><code>project/ ├─ cpp_src/ │ ├─ src/ │ │ ├─ cpp source files │ ├─ test/ │ │ ├─ cpp test files │ ├─ CMakeLists.txt │ ├─ stub.pyi ├─ python_src/ │ ├─ ... ├─ build.py </code></pre> <p>In my <code>build.py</code> file, I am using setuptools to compile and package...
<python><c++><setuptools><python-packaging><python-poetry>
2023-03-06 20:47:53
1
328
Aspect11
75,655,681
1,200,914
Filling a cloud 2D image into a continous map
<p>I have the following image:</p> <p><a href="https://i.sstatic.net/qlCjP.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/qlCjP.png" alt="cloudtocher2dinterpolator" /></a></p> <p>and I wish to obtain something close to (I didn't do it perfectly):</p> <p><a href="https://i.sstatic.net/C5Bcx.png" rel="nof...
<python><opencv><python-imaging-library>
2023-03-06 20:46:32
2
3,052
Learning from masters
75,655,561
8,194,364
selenium.common.exceptions.ElementClickInterceptedException error clicking on a toggle button on yahoo finance income statement data
<p>I am trying to webscrape Income Statement data from <a href="https://finance.yahoo.com/quote/AAPL/financials?p=AAPL" rel="nofollow noreferrer">https://finance.yahoo.com/quote/AAPL/financials?p=AAPL</a></p> <p>I am trying to simulate a click on Operating Expense to expand the row to see the Research and Development v...
<python><selenium-webdriver><xpath><css-selectors><webdriverwait>
2023-03-06 20:32:34
2
359
AJ Goudel
75,655,544
15,452,168
calculating values in python using formula for a dataframe
<p>I have an excel sheet with the data below, here we need to calculate 2 columns based on other column values but I am getting NaN values</p> <pre><code>import pandas as pd # Define the initial data data = {'statMonthName': ['Mar', 'Mar', 'Mar', 'Mar', 'Apr', 'Apr', 'Apr', 'Apr', 'Apr'], 'statWeek': [1, 2, 3,...
<python><pandas><dataframe><for-loop>
2023-03-06 20:30:17
1
570
sdave
75,655,531
3,261,292
Calling a module from different directories in python
<p>I have the following project dir structure:</p> <pre><code>Project ├── src | ├── eval.py | └──utils.py └── app.py </code></pre> <p>In <code>eval.py</code>, I import a function from utils:</p> <pre><code>from utils import clean_txt </code></pre> <p>and usually, I run my code like this:</p> <pre><code>python src...
<python><directory>
2023-03-06 20:27:32
3
5,527
Minions
75,655,502
15,520,615
Extracting Dataverse CRM Data using Dataverse-to-delta Accelerator with Databricks
<p>I am using the Python code on Databricks located <a href="https://github.com/BlueprintTechnologies/blueprint-dataverse-to-delta-accelerator" rel="nofollow noreferrer">here</a> to extract CRM Data to SQL.Everything appeared to work fine when I executed the code on our CRM platform. However, I noticed that some fields...
<python><azure-databricks>
2023-03-06 20:24:24
1
3,011
Patterson
75,655,344
2,011,041
Django Rest Framework model assigns a str to the primary key and a number to my str field in sqlite
<p>I'm getting my database table to contain a string as the ID (and primary key) while the actual string field contains the ID number, so those two fields seem to be swapped and I can't figure out why.</p> <p>This is a basic Pokemon API for practise purposes, using Django 4.1.7, DRF 3.14 and sqlite as the DB. My models...
<python><django><django-rest-framework>
2023-03-06 20:03:33
1
1,397
Floella
75,655,292
2,908,017
How to draw or create a Horizontal Divider in a Python FMX GUI App?
<p>How do I create a Horizontal Divider Line as can be seen in the screenshot above the buttons:</p> <p><a href="https://i.sstatic.net/gG77e.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/gG77e.png" alt="UI with three buttons, divider line, and two radio buttons" /></a></p> <p>How can this be accomplish...
<python><user-interface><firemonkey><horizontal-line>
2023-03-06 19:58:11
1
4,263
Shaun Roselt
75,655,049
2,908,017
How do I set an active tab for TabControl in a Python FMX GUI App?
<p>I've made a <code>Form</code> with a <code>TabControl</code> and Four <code>TabItem</code> tabs on the <code>TabControl</code>. By default, the first tab is always the active tab:</p> <p><a href="https://i.sstatic.net/9YBAU.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/9YBAU.png" alt="Python GUI App...
<python><user-interface><tabs><firemonkey>
2023-03-06 19:29:46
1
4,263
Shaun Roselt
75,655,027
8,849,755
How to fit with scipy.optimize.curve_fit when numbers are not close to 1?
<p>I have a set of x,y points in which x lies between 0 and 100e-12 while y ranges between 0 and 1e9 and want to use <a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.curve_fit.html" rel="nofollow noreferrer">scipy.optimize.curve_fit</a> to fit a model. It fails because of the numbers. If I r...
<python><scipy><curve-fitting>
2023-03-06 19:28:08
2
3,245
user171780
75,655,016
11,676,466
Pytorch is it possible to chain model prediction with two dataloaders
<p>In my training schedule, the process of loading data with <code>__getitem__</code> takes quite a lot of time. It's an image-to-image problem (2x upscaling). I followed the classic approach and I get <code>input</code> images and <code>target</code> images from the same data loader. Prediction of my model also takes ...
<python><deep-learning><pytorch>
2023-03-06 19:26:51
0
372
XYZCODE123
75,654,890
6,296,919
how to merge tuple and dataframe data
<p>may be my questions is too basic but I am learning python. Let me know if you need more information.</p> <p>I have dataframe as below.</p> <pre><code> ID Model MVersion dId sGroup eName eValue 0 1 Main V15 40 GROUP 1 dNumber U220059090(C) 1 2 Main V15 40...
<python><python-3.x><pandas><dataframe><group-by>
2023-03-06 19:10:43
2
847
tt0206
75,654,809
12,733,629
Running VSCode interactive window on WSL with relative imports
<p>I'm trying to visualize plots using pyplot <code>imshow</code>. Windows' WSL does not work with GUIs so the advised way of doing so is via VSCode's interactive window. However, given my project structure,</p> <pre><code>$projectFolder ├── mycode │ ├── __init__.py │ ├── model.py │ ├── dataset.py │ ├── train.p...
<python><visual-studio-code><windows-subsystem-for-linux>
2023-03-06 19:01:59
1
327
Martim Passos
75,654,750
1,362,485
Get value and type of python variable similar to Jupyter behavior
<p>Assume you have a Jupyter notebook with one entry that has three lines:</p> <pre><code>x = 1 y = x + 1 y </code></pre> <p>The output will print '2'</p> <p>I want to do this inside my python code. If I have a variable <code>lines</code> and run exec:</p> <pre><code> lines = &quot;&quot;&quot;x = 1 y = x +...
<python><jupyter-notebook><jupyter><jupyter-lab>
2023-03-06 18:55:03
1
1,207
ps0604
75,654,676
8,194,364
How to get when lambda was last modified using boto3 and python?
<p>I want to use boto3 in a python script to get when a lambda was last updated. When I navigate to the lambda dashboard, I am able to see the last updated time as seen in my attachment.<a href="https://i.sstatic.net/x4XvP.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/x4XvP.png" alt="last updated text"...
<python><aws-lambda><boto3>
2023-03-06 18:46:42
2
359
AJ Goudel
75,654,624
19,079,397
What is the fastest way to convert pyspark column into a python list?
<p>I have a large pyspark data frame but used a small data frame like below to test the performance. I know three ways of converting the pyspark column into a list but non of them are as fast as how spark jobs are run. What is the best and fastest way of creating a python list from pyspark data frame column?</p> <pre><...
<python><list><apache-spark><pyspark><rdd>
2023-03-06 18:39:41
2
615
data en
75,654,608
226,473
pygsheets does not modify Date Format
<p>I'm trying to convert a date in a Google Spreadsheet column from <code>3/3/2023</code> to <code>Friday March 3, 2023</code> with pygsheets.</p> <p>The following code:</p> <pre><code>client = pygsheets.authorize(service_account_file=&quot;credentials.json&quot;) test_sheet = client.open(titles[0]) test_worksheets = t...
<python><pygsheets>
2023-03-06 18:38:13
2
21,308
Ramy
75,654,562
591,939
How to normalise keywords extracted with Named Entity Recognition
<p>I'm trying to employ NER to extract keywords (tags) from job postings. This can be anything along with <code>React, AWS, Team Building, Marketing</code>.</p> <p>After training a custom model in SpaCy I'm presented with a problem - extracted tags are not unified/normalized across all of the data.</p> <p>For example, ...
<python><nlp><spacy><named-entity-recognition>
2023-03-06 18:32:14
2
11,904
Pono
75,654,359
271,811
Python won't load C-language DLL in Windows 11 (that loads in Windows 10)
<p>I'm running Python 3.8.5 on Windows 10 Pro, Version 10.0.19045 Build 19045. I have an application where I have moved part of the processing to a DLL, written in C using Microsoft Visual Studio C++ 2019. I'm loading my library DLL and calling functions within it with no problems.</p> <p>My colleagues have now started...
<python><dll><windows-11>
2023-03-06 18:09:28
1
2,131
Max
75,654,354
14,088,919
Plotting 100% Stacked bar plot from many columns
<p>I've been trying to solve this for a while now and tried virtually all related answers with no luck.</p> <p>The original dataset I have looks like this:</p> <pre><code>| ID | Category | p0 | p1 | p2 | p3 | Target | | 01 | A | 0.92 | 0.01 | 0.05 | 0.02 | 0 | | 02 | A | 0.90 | 0.05 | 0.01 | ...
<python><pandas><matplotlib><group-by><bar-chart>
2023-03-06 18:09:02
1
612
amestrian
75,654,328
2,758,414
Are my requests being processed asynchronously?
<p>I have a scraping script which requests about 30 urls synchronously. It takes 95s to complete all requests.</p> <p>I've rewritten the script using asynchronous libraries <code>asyncio</code> and <code>aiohttp</code> in order to improve speed.</p> <p>Here are the performance statistics for 32 requests:</p> <ul> <li>s...
<python><asynchronous><concurrency><python-asyncio><aiohttp>
2023-03-06 18:06:08
1
2,747
LLaP
75,654,308
17,487,457
Python create directories named from list elemets
<p>I have the following classifiers:</p> <pre><code>DT = sklearn.tree.DecisionTreeClassifier() LR = sklearn.linear_model.LogisticRegression() SVC = sklearn.svm.SVC() </code></pre> <p>So I created this list of classifiers:</p> <pre><code>classifiers = [DT, LR, SVC] </code></pre> <p>I want to create directories, one for ...
<python><list><directory><python-os>
2023-03-06 18:04:35
1
305
Amina Umar
75,654,165
12,783,363
How to bypass argparse multi-word argument quotations?
<p>I have a bubble.py script with an argparse set-up as below. There is only one positional argument <code>'text'</code> and few other optional arguments (omitted for simplicity).</p> <p>bubble.py</p> <pre><code>import argparse parser = argparse.ArgumentParser(description=&quot;Create pixel art bubble speech image&quo...
<python><argparse>
2023-03-06 17:49:19
0
916
Jobo Fernandez
75,654,109
6,485,881
OverflowError when subtracting datetime columns in pandas
<p>I'm trying to check if the difference between two Timestamp columns in Pandas is greater than <code>n</code> seconds. I don't actually care about the difference. I just want to know if it's greater than <code>n</code> seconds, and I could also limit <code>n</code> to a range between, let's say, 1 to 60.</p> <p><stro...
<python><pandas><dataframe><integer-overflow>
2023-03-06 17:42:46
1
13,322
Maurice
75,654,014
10,620,003
Build two array from another array based on the values and a window size
<p>I have an array with a thousand rows and columns. The array has the number 1, greater than 1, and less than 1. I want to build two arrays from that with this way:</p> <p>The most important part is the values which are less than 1. Then based on a window size (here is 7), the value greater than 1 before the values le...
<python><numpy>
2023-03-06 17:32:16
1
730
Sadcow
75,653,925
3,657,417
Pandas check if any of previous n rows met criteria
<p>Say i have this data set.</p> <pre><code>| | color | down | top | | -- | ------ | ---- | --- | | 0 | | 1 | 5 | | 1 | | 2 | 5 | | 2 | blue | 7 | 11 | | 3 | | 5 | 8 | | 4 | | 9 | 10 | | 5 | | 9 | 10 | | 6 | orange | 5 | 9 | | 7 | |...
<python><pandas><dataframe>
2023-03-06 17:22:36
1
773
Florian
75,653,850
105,678
Python mypy type checking not working as expected
<p>I'm new to python, and am a huge fan of static type checkers. I have some code that handles file uploads with the Bottle framework. See below.</p> <pre><code>def transcribe_upload(upload: FileUpload) -&gt; Alternative: audio:AudioSource = upload_source(upload) ... def upload_source(upload:FileUpload) -&gt; Audi...
<python><types><mypy><bottle>
2023-03-06 17:15:29
1
16,149
Sean Clark Hess
75,653,720
9,182,743
Set plotly bargap to 0
<p>I am unable to set the plotly bargap to 0 (am using datetime for x axis)</p> <p>here is the code:</p> <pre class="lang-py prettyprint-override"><code>import pandas as pd import numpy as np import plotly print (plotly.__version__) # Create a list of dates for the first day of each month in a year df = pd.DataFrame({...
<python><plotly>
2023-03-06 17:01:08
1
1,168
Leo
75,653,538
2,782,382
Polars Row object to Dictionary
<p>I'm trying to iterate through the rows of a Polars DataFrame, where the iterator returns a dictionary of each row.</p> <p>The <a href="https://pola-rs.github.io/polars/py-polars/html/reference/dataframe/api/polars.DataFrame.iter_rows.html#polars.DataFrame.iter_rows" rel="nofollow noreferrer">documentation</a> indica...
<python><python-polars>
2023-03-06 16:44:26
1
1,353
Chris
75,653,530
7,058,823
Pandas transform table to occurrence
<p>Hi I have a table similar to below</p> <pre><code> Fruits America Europe Asia 0 Apple Good N/A Bad 1 Orange N/A Bad Good </code></pre> <p>and I would like to transform into something like this</p> <pre><code> Fruits and Region Good Bad N/A 0 Apple America 1 0 0 1 Apple Europe. ...
<python><pandas>
2023-03-06 16:43:42
1
877
Platalea Minor
75,653,463
1,854,159
Storing H2o models/MOJO outside the file system
<p>I'm investigating the possibility of storing MOJOs in cloud storage blobs and/or a database. I have proof-of-concept code working that saves the MOJO to a file then loads the file and stores to the target (and vice-versa for loading), but I'd like to know if there's any way to skip the file step? I've looked into ...
<python><machine-learning><h2o>
2023-03-06 16:37:33
1
565
8forty
75,653,432
2,908,017
How do I create a tabbed control in a Python FMX GUI App?
<p>I'm making a Python FMX GUI App and I basically want three tabs on it like this: <a href="https://i.sstatic.net/PTO7m.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/PTO7m.png" alt="Delphi App with tabs" /></a></p> <p>I tried doing this:</p> <pre><code>self.TabControl1 = TabControl(self) self.TabContr...
<python><user-interface><tabs><firemonkey>
2023-03-06 16:35:02
1
4,263
Shaun Roselt
75,653,409
13,132,728
Conditionals and Rounding with streamlit's st.number_input()
<p>I have two <a href="https://docs.streamlit.io/library/api-reference/widgets/st.number_input" rel="nofollow noreferrer">st.number_inputs()</a> I am trying to use</p> <pre><code>input1 = st.number_input(&quot;x&quot;, value=5.0, step=0.5, format=&quot;%0.1f&quot;) input2 = st.number_input(&quot;y&quot;, value=-110) <...
<python><formatting><streamlit>
2023-03-06 16:32:42
1
1,645
bismo