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Python function not writing or overwriting when threading
<p>I have a script that takes a a group of images on the local machine, sends it to removeBG using threading. If it is successful, it gets the resultant file and uploads to s3 and grabs the s3 URL. Now we pass this URL to BannerBear to generate a composite which returns another URL that we print to the screen and the...
<python>
2022-12-21 16:30:34
0
535
Matt Winer
74,879,020
19,155,645
pandas value_counts(): directly compare two instances
<p>I have done <code>.value_counts()</code> on two dataFrames (similar column) and would like to compare the two.<br> I also tried with converting the resulting Series to dataframes (<code>.to_frame('counts')</code> as suggested in this <a href="https://stackoverflow.com/questions/71488764/how-to-compare-value-counts-o...
<python><pandas>
2022-12-21 16:29:01
2
512
ArieAI
74,879,012
4,490,376
How to preserve Flask app context across Celery and SQLAlchemy
<p>I'm building trying to learn Flask with a proof of concept Flask app, that takes a JSON payload, and uses SQLAlchemy to write it to a DB. I'm using celery to manage the write tasks.</p> <p>The app is structured</p> <pre><code>|-app.py |-project |-__init__.py |-celery_utils.py |-config.py |-users |-__ini...
<python><flask><sqlalchemy><celery>
2022-12-21 16:28:17
1
551
741852963
74,878,991
13,983,136
Group by on the columns of a data frame and on the values ​of a dictionary
<p>I have a data frame, <code>df</code>, like:</p> <pre><code>Year Month Country Organizer Participation 2020 1 China FAO True 2020 1 Japan FAO True 2020 1 France EU False 2020 2 France FAO ...
<python><pandas>
2022-12-21 16:26:25
2
787
LJG
74,878,950
4,034,593
Apache Beam - combine input with DoFn output
<p>I have a <code>DoFn</code> class with <code>process</code> method, which takes a string and enhance it:</p> <pre><code>class LolString(apache_beam.DoFn): def process(self, element: str) -&gt; str: return element + &quot;_lol&quot; </code></pre> <p>I want to have a step in my Beam pipeline that gives me ...
<python><apache-beam>
2022-12-21 16:23:22
1
599
Rafaó
74,878,923
3,393,192
Open3D registration with ICP shows error of 0 and returns the input transformation
<p>I try to use the ICP algorithm of open3d to find a transformation that minimizes the distance between 2 point clouds and loosely followed their tutorial page: <a href="http://www.open3d.org/docs/latest/tutorial/pipelines/icp_registration.html" rel="nofollow noreferrer">http://www.open3d.org/docs/latest/tutorial/pipe...
<python><registration><point-clouds><open3d>
2022-12-21 16:21:17
1
497
Sheradil
74,878,914
3,876,599
multiprocessing.Pool inexplicably slow when passing around Pandas data frames
<p>I am trying to speed up a code path that creates Pandas data frames of some 100 mega bytes.</p> <p>The obvious idea is to use <code>multiprocessing.Pool</code>. While the actual processing is parallelized as expected, it seems as if the IPC overhead makes things way slower than not doing any multiprocessing at all.<...
<python><pandas><multiprocessing><pickle>
2022-12-21 16:20:22
0
699
Yourstruly
74,878,785
5,195,209
How can I use pango (HTML subset) with the ImageMagick Python library wand?
<p>My goal is to take a picture and add a centered text to its center. I want to use italics and bold for this text, specified with the HTML-like pango.</p> <p>I currently have this code:</p> <pre class="lang-py prettyprint-override"><code>import os from wand.image import Image from wand.drawing import Drawing from wan...
<python><wand>
2022-12-21 16:09:39
1
587
Pux
74,878,760
4,019,495
Is there a pandas function to duplicate each row of a dataframe n times, assigning each of n categories to each row?
<p>What is the easiest way to go from:</p> <pre><code>df = pd.DataFrame({'col1': [1,1,2,3], 'col2': [2,4,3,5]}) group_l = ['a', 'b'] df col1 col2 0 1 2 1 1 4 2 2 3 3 3 5 </code></pre> <p>to</p> <pre><code> col1 col2 group 0 1 2 a 1 1 4 a...
<python><pandas>
2022-12-21 16:07:14
5
835
extremeaxe5
74,878,671
3,368,667
Pandas - create new column where rows match
<p>I'd like to create a new column in pandas that matches row values based on the same condition. I'm trying to turn a dependent variable into an independent variable.</p> <p>In the sample dataframe below (taken from the actual dataset), each row is separated by the value <code>test_name</code> and by time period, 'tp...
<python><pandas>
2022-12-21 16:01:03
1
1,077
tom
74,878,668
18,018,869
What is the difference between passing the statement Chem.MolFromSmiles directly or via a variable?
<p>If I do not store the <code>rdkit.Chem.rdchem.Mol</code> object in a variable but pass the statement <code>Chem.MolFromSmiles(&quot;&lt;your-smile&gt;&quot;)</code> directly into another function it gives a different result than storing it in a variable before!</p> <p>Why is that?</p> <pre><code>&gt;&gt;&gt; from rd...
<python><rdkit>
2022-12-21 16:00:35
1
1,976
Tarquinius
74,878,422
7,298,643
How to merge dataframes together with matching columns side by side?
<p>I have two dataframes with matching keys. I would like to merge them together based on their keys and have the corresponding columns line up side by side. I am not sure how to achieve this as the <code>pd.merge</code> displays all columns for the first dataframe and then all columns for the second data frame:</p> <p...
<python><pandas><dataframe><merge>
2022-12-21 15:41:58
1
490
Jengels
74,878,409
8,145,400
ModuleNotFoundError: No module named 'keras.objectives'
<p>I am trying to run a file that is importing a package- <code>from keras.objectives import categorical_crossentropy</code> Here it is saying <em>ModuleNotFoundError: No module named 'keras.objectives'</em></p> <p>I found a similar question <a href="https://github.com/theislab/dca/issues/48" rel="nofollow noreferrer">...
<python><tensorflow><keras><tf.keras>
2022-12-21 15:40:57
1
634
Tanmay Bairagi
74,878,262
5,568,409
How could it be that Python module `arviz` has no attribute `plots`?
<p>I tried to run this program:</p> <pre><code>import pymc3 as pm import theano.tensor as tt import scipy from scipy import optimize </code></pre> <p>but I got in return some non understandable comment:</p> <pre><code>--------------------------------------------------------------------------- AttributeError ...
<python><arviz>
2022-12-21 15:26:49
0
1,216
Andrew
74,878,253
8,586,803
How to filter 3D array with a 2D mask
<p>I have a <code>(m,n,3)</code> array <code>data</code> and I want to filter its values with a <code>(m,n)</code> mask to receive a <code>(x,3)</code> <code>output</code> array.</p> <p>The code below works, but how can I replace the for loop with a more efficient alternative?</p> <pre><code>import numpy as np data = ...
<python><arrays><numpy><masking>
2022-12-21 15:25:47
1
6,178
Florian Ludewig
74,878,241
18,301,789
Function not working when hardcoding instead of using input()
<p>I'm working with Python on my PC, sending serial commands to an arduino which controls a certain number of stepper motors.<br /> However, in this function:</p> <pre class="lang-py prettyprint-override"><code># takes array of commands to send to motors (in order) and sends commmand arcodinlgy # each element of comman...
<python><arduino>
2022-12-21 15:24:43
2
360
Stijn B
74,878,171
10,071,473
Private class in python package
<p>I'm writing a python library to interface to a rest server. I would like to be able to add classes inside the library, which I would like to be hidden once the library is installed via pip and imported into any project.</p> <p>Example of the library structure:</p> <pre><code>. ├── my_library ├── __init__.py ...
<python><python-3.x><package>
2022-12-21 15:19:45
0
2,022
Matteo Pasini
74,878,128
8,248,194
Cannot import local files in python debugger (vs code)
<p>I am doing the following:</p> <ol> <li><code>mkdir folder_structure</code></li> <li><code>mkdir folder_structure/utils</code></li> <li><code>touch folder_structure/utils/tools.py</code></li> <li><code>touch folder_structure/main.py</code></li> <li>Write in main.py:</li> </ol> <pre class="lang-py prettyprint-override...
<python><visual-studio-code><debugging>
2022-12-21 15:16:57
2
2,581
David Masip
74,878,109
7,317,408
How to fill in NaN when using np.append witb a condition?
<p>Sorry for another noob question!</p> <p>I have a function which is taking the opening price of a bar, and increasing it by 100%, to return my target entry price:</p> <pre><code>def prices(open, index): gap_amount = 100 prices_array = np.array([]) index = index.vbt.to_ns() day = 0 target_price = 0...
<python><pandas><numpy><trading><vectorbt>
2022-12-21 15:14:04
1
3,436
a7dc
74,878,086
667,355
Creating a custom color map for heatmap
<p>I have the following heatmap and I want to make a custom color map for it. For the color map I would like 0, 1, and -3 correspond to red, pink and blue, respectively, so that from 0 to 1 the red color gets lighter and from 0 to -3 the red color gradually turns to blue. I tried to find a solution among the questions ...
<python><matplotlib><seaborn><heatmap><colormap>
2022-12-21 15:12:29
1
3,491
amiref
74,877,992
7,032,878
Speed up document update from list of dicts with Pymongo
<p>I'm trying to create some Mongo documents starting from a list of dictionaries, like this one:</p> <pre><code>dictlist = [ dict1, dict2, dict3 ] </code></pre> <p>Where the generic dict is something like:</p> <pre><code>dict1 = { 'Id': 1, 'key1': 'value1', 'key2': 'value2' } </code></pre> <p>Each dict in the list has...
<python><pymongo>
2022-12-21 15:03:58
1
627
espogian
74,877,840
6,930,340
Convert zeros and ones to bool while preserving pd.NA in a multi column index dataframe
<p>I have a multi column index dataframe. Some column headers might have <code>pd.NA</code> values.</p> <p>The actual values in the dataframe might be zero, one, or <code>pd.NA</code>.</p> <p>How can I transform all zeros and ones into <code>bool</code> while preserving the <code>pd.NA</code> values?</p> <pre><code>imp...
<python><pandas><nan>
2022-12-21 14:51:51
1
5,167
Andi
74,877,603
11,693,768
How to read csv file into pandas, skipping rows until a certain string, then selecting first row after as header and delimiter as |
<p>Below is an example of a bunch of csv files / datasets I have. They follow the format below.</p> <pre><code>FILE-START COL=yes DELIMITER=| ..... ..... ..... START-DATA header1 | header2 | header3 | header4 | header5 data1 | data2 | data3 | data4 | data5 ...... ...... </code></pre> <p>I need to skip headers ...
<python><pandas><csv>
2022-12-21 14:33:38
3
5,234
anarchy
74,877,596
15,531,842
how to abort a job using ipywidgets
<p>I am creating a button that runs a job when clicked using ipywidgets all inside of a Jupyter Notebook. This job can take some long amount of time, so I would like to also give the user the ability to stop the job.</p> <p>I've created a minimally reproducible example that runs for only 10 seconds. All of the followin...
<python><jupyter-notebook><ipywidgets>
2022-12-21 14:33:25
1
886
lane
74,877,580
202,645
Discover missing module using command-line ("DLL load failed" error)
<p>On Windows, when we try to import a <code>.pyd</code> file, and a DLL that the <code>.pyd</code> depends on cannot be found, we get this traceback:</p> <pre><code>Traceback (most recent call last): ... ImportError: DLL load failed: The specified module could not be found. </code></pre> <p>When this happens, often ...
<python><windows><dll><pyd>
2022-12-21 14:31:59
2
15,705
Bruno Oliveira
74,877,555
12,292,032
Pandas special pivot dataframe
<p>Let's take a sample dataframe :</p> <pre><code>df = pd.DataFrame({&quot;Name&quot;: [&quot;Alan&quot;,&quot;Alan&quot;,&quot;Kate&quot;,&quot;Kate&quot;,&quot;Brian&quot;], &quot;Shop&quot; :[&quot;A&quot;,&quot;B&quot;,&quot;C&quot;,&quot;A&quot;,&quot;B&quot;], &quot;Amount&qu...
<python><pandas><dataframe><pivot>
2022-12-21 14:30:19
1
945
Ewdlam
74,877,408
10,535,123
How can I validate PySpark Dataframe schema is obey to a particular structure?
<p>I want to create a unit test that validates the Dataframe schema by comparing it to a particular schema structure I created, how can I do that?</p> <p>For example, I have a <code>df</code> and schema -</p> <pre><code>schema = StructType([ StructField(&quot;id&quot;,StringType(),True), StructField(&quot;name&...
<python><apache-spark><pyspark>
2022-12-21 14:18:46
0
829
nirkov
74,877,324
10,759,785
How to turn on all axes boundaries of a 3D scatterplot?
<p>How can I turn on all axes lines of a 3D scatterplot? More specifically, how can I make a scatterplot like this:</p> <p><a href="https://i.sstatic.net/mUiuM.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/mUiuM.png" alt="enter image description here" /></a></p> <p>Stay like this:</p> <p><a href="https...
<python><matplotlib><scatter-plot><axis><scatterplot3d>
2022-12-21 14:12:15
0
331
Lucas Oliveira
74,877,304
51,816
How to match number followed by . and a space character?
<p>Basically I have some text like this:</p> <blockquote> <ol> <li>first line</li> <li>second</li> <li>more lines</li> <li>bullet points</li> </ol> </blockquote> <p>I separate these line by line so I can process them, but I want to be able to see if a line actually starts with a number then a . and then a space charact...
<python><string><string-matching>
2022-12-21 14:10:55
5
333,709
Joan Venge
74,877,082
7,760,910
tox unable to find boto3 even though it is installed
<p>I have a <code>Python</code> <code>tox</code> project where I run the tox for running the test case and I came across one error a few hours back and am unable to resolve it till now. My module is using boto3 library and is installed using both the commands:</p> <pre><code>pip3 install boto3 pip install boto3 //fo...
<python><boto3><tox>
2022-12-21 13:51:30
1
2,177
whatsinthename
74,877,011
19,155,645
pandas: add values which were calculated after grouping to a column in the original dataframe
<p>I have a pandas dataframe and want to add a value to a new column ('new') to all instances of .groupby() based on another column ('A'). <br></p> <p>At the moment I am doing it in several steps by:<br> 1- looping through all unique column A values<br> 2- calculate the value to add (run function on a different column,...
<python><pandas><dataframe><loops><optimization>
2022-12-21 13:46:18
1
512
ArieAI
74,876,955
558,639
vectorizing a "leaky integrator" in numpy
<p>I need a leaky integrator -- an IIR filter -- that implements:</p> <pre><code>y[i] = x[i] + y[i-1] * leakiness </code></pre> <p>The following code works. However, my x vectors are long and this is in an inner loop. So my questions:</p> <ul> <li>For efficiency, is there a way to vectorize this in numpy?</li> <li>If...
<python><numpy>
2022-12-21 13:41:17
2
35,607
fearless_fool
74,876,907
8,735,352
Python bluez dbus: Custom GATT server how to notify int16 Value changed
<p>I'm building a custom BLE GATT Server with Python. I took the original <a href="https://github.com/bluez/bluez/blob/master/test/example-gatt-server" rel="nofollow noreferrer">bluez example server</a> and added a Temperature (0x2a6e) characteristic.</p> <p>From the documentation, it should be a single field 'Temperat...
<python><bluetooth><dbus><bluez><bluetooth-gatt>
2022-12-21 13:37:38
1
1,081
Danilo Fuchs
74,876,857
524,743
How to convert a list of dictionaries to a Bunch object
<p>I have a list of the following dictionaries:</p> <pre><code>[{'Key': 'tag-key-0', 'Value': 'value-0'}, {'Key': 'tag-key-1', 'Value': 'value-1'}, {'Key': 'tag-key-2', 'Value': 'value-2'}, {'Key': 'tag-key-3', 'Value': 'value-3'}, {'Key': 'tag-key-4', 'Value': 'value-4'}] </code></pre> <p>Is there an elegant way t...
<python><bunch>
2022-12-21 13:33:45
3
3,816
Samuel
74,876,732
7,317,408
'numpy.ndarray' object has no attribute 'append'
<p>Sorry for the noob question but I am very new to Python.</p> <p>I have a function which takes creates a numpy array and adds to it:</p> <pre><code>def prices(open, index): gap_amount = 100 prices_array = np.array([]) index = index.vbt.to_ns() day = 0 target_price = 10000 first_bar_of_day = 0 ...
<python><pandas><numpy><vectorbt>
2022-12-21 13:23:19
2
3,436
a7dc
74,876,518
12,486,121
Autoscaling y axis in interactive matplotlib plot (with slider)
<p>I have the following code, which lets me interactively change a function in jupyter notebook:</p> <pre><code>import numpy as np from matplotlib.widgets import Slider, Button import matplotlib.pyplot as plt %matplotlib notebook # Define stuff my_func = lambda x, c: x - c # Make plot x = np.arange(0, 50, 1) c_init =...
<python><matplotlib><jupyter-notebook><slider><jupyter>
2022-12-21 13:06:21
1
1,076
spadel
74,876,432
14,333,315
Two interactive tables with Flask/Python/bootstrap
<p>I have an app (Flask/Python and Bootstrap) to show details on the web. Tables are creating dynamically based on specific filters from post request. Full information can be displayed in two tables: lets says &quot;Rents&quot; and &quot;Payments&quot;. First column of each table is the id.</p> <p>Would it be possible ...
<python><flask><html-table><bootstrap-5>
2022-12-21 12:59:45
1
470
OcMaRUS
74,876,384
143,091
Setuptools doesn't find a package that is installed
<p>I am trying to install a package &quot;editable&quot; for developing. I have already installed all dependencies into my virtualenv, but the installation of the package is failing:</p> <pre class="lang-none prettyprint-override"><code>$ . ./venv/bin/activate $ pip install -e ../../grader_service Obtaining file:///Use...
<python><virtualenv><setuptools><python-3.10>
2022-12-21 12:56:24
0
10,310
jdm
74,876,340
10,181,236
Compute the mean of the counting of row each 10 minutes with pandas
<p>I have a dataframe with a timestamp column. I'm able to group by the rows of this dataframe by timestamps in the range of 1 minute (or more), as you can see from the code below</p> <pre><code>minutes = '1T' grouped_df=df.loc[df['id_area'] == 3].groupby(pd.to_datetime(df[&quot;timestamp&quot;]).dt.floor(minutes))[&qu...
<python><pandas>
2022-12-21 12:52:31
1
512
JayJona
74,876,162
1,668,622
Is there an way to reconfigure `_sysconfigdata.py` or to let it contain dynamic values?
<p>Maybe this is a typical &quot;you're doing it wrong&quot; situation - in this case please let me know.</p> <p>Currently I'm re-using a pre-built Python among different installations located in different directories, and to make this work I need to modify the generated <code>_sysconfigdata.py</code> to contain a cert...
<python><environment-variables><configure>
2022-12-21 12:37:11
0
9,958
frans
74,876,060
19,826,650
Error parser python read csv data using numpy
<p>I have this kind of error in jupyter notebook, is there something needs to be done?</p> <p><a href="https://i.sstatic.net/8wvlS.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/8wvlS.png" alt="error" /></a></p> <hr /> <p>ParserError Traceback (most recent call last) ~\AppD...
<python><csv>
2022-12-21 12:27:26
1
377
Jessen Jie
74,875,995
3,759,591
Ansible - Unhandled error in Python interpreter discovery for
<p>I have a problem trying to ping to machines using ansible, 1 is fedora 35 the 2nd is ubuntu 21. when I run</p> <pre><code>ansible all -i inventory -m ping -u salam -k </code></pre> <p>I get the following warnings</p> <blockquote> <p>[WARNING]: Unhandled error in Python interpreter discovery for host myubuntuIP: une...
<python><ansible><ansible-inventory>
2022-12-21 12:20:51
1
439
eliassal
74,875,889
1,843,329
ResourceWarning about unclosed socket from PySpark toPandas() in unit tests
<p>I'm getting a ResourceWarning in every unit test I run on Spark like this:</p> <pre><code> /opt/conda/lib/python3.9/socket.py:775: ResourceWarning: unclosed &lt;socket.socket fd=6, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=6, laddr=('127.0.0.1', 37512), raddr=('127.0.0.1', 38975)&gt; self...
<python><apache-spark><pyspark><python-unittest>
2022-12-21 12:11:09
1
2,937
snark
74,875,431
14,425,501
model training starts all over again after unfreezing weights in tensorflow
<p>I am training an image classifier using Large EfficientNet:</p> <pre><code>base_model = EfficientNetV2L(input_shape = (300, 500, 3), include_top = False, weights = 'imagenet', include_preprocessing = True) model = tf.keras.Sequentia...
<python><tensorflow><machine-learning><deep-learning>
2022-12-21 11:32:15
1
1,933
Adarsh Wase
74,875,416
10,181,236
Pandas fill the counting of rows on missing datetime
<p>I have a dataframe with a timestamp column. I'm able to group by the rows of this dataframe by timestamps in the range of 10 minutes, as you can see from the code below</p> <pre><code>minutes = '10T' grouped_df=df.loc[df['id_area'] == 3].groupby(pd.to_datetime(df[&quot;timestamp&quot;]).dt.floor(minutes))[&quot;x&qu...
<python><pandas>
2022-12-21 11:31:10
2
512
JayJona
74,875,265
2,020,745
"The command line is too long" with subprocess.run
<p>I'm trying to execute the <code>subprocess.run</code> command.</p> <p>I have a parameter that's very large - it's basically a SQL statement more than 10000 characters long.</p> <p>Executing</p> <pre><code>subprocess.run([&quot;cmd&quot;, param1, param2, param3, param4, param5, param6, param7, param8, param9], shell=...
<python><windows><subprocess>
2022-12-21 11:18:59
1
812
saso
74,875,189
14,256,643
selenium python can't scrape video url
<p>I am trying to scrape vidro url from this <a href="https://grabagun.com/firearms/handguns/semi-automatic-handguns/glock-19-gen-5-polished-nickel-9mm-4-02-inch-barrel-15-rounds-exclusive.html" rel="nofollow noreferrer">page</a>. see the picture below</p> <p><a href="https://i.sstatic.net/Wpa7D.png" rel="nofollow nore...
<python><python-3.x><selenium><selenium-webdriver><selenium-chromedriver>
2022-12-21 11:13:12
0
1,647
boyenec
74,875,143
6,368,217
How to skip certificate verification in poetry?
<p>I'm trying to add a new package using <code>poetry add</code>, but it always comes with this error:</p> <p><code>HTTPSConnectionPool(host='10.140.240.64', port=443): Max retries exceeded with url: /api/v4/projects/118/packages/pypi/files/47f05b39ebe470235b70724fb049985ea75fad6c1a5007ad3462f3d430da338b/tg_client-0.1....
<python><ssl><python-poetry>
2022-12-21 11:08:12
4
991
Alexander Shpindler
74,875,135
7,415,524
python regex BESTMATCH behaviour
<p>I am seeing a behaviour of the python regex library for fuzzy matching that I do not quite understand.</p> <p>The string I am searching into is:</p> <pre><code>s=&quot;TACGGTTTTAACTTTGCAAGCTTCAGAAGGGATTACTAGCAGTAAAAATGCGGAAATTTCTCTTTATGATGGCGCCACGCTCAATTTGGCTTCAAACAGCGTTAAATTAATGGGTAATGTCAAG&quot; </code></pre> <p>a...
<python><regex><fuzzy-search>
2022-12-21 11:07:35
1
313
Agathe
74,875,092
12,131,472
replace the last 2 dates in one column by "2nd day" and "1st day" in a dataframe to make the code dynamic
<p>I have this dataframe where the column date are the 2 latest working days(so they change every day when I run my code) in datetime format</p> <pre><code> shortCode date ... value TCE value shortCode ... A6TCE 4858 A6TCE 2022-12-19 ....
<python><pandas><dataframe>
2022-12-21 11:03:24
2
447
neutralname
74,874,949
20,266,647
Issue during import, MLRunNotFoundError
<p>I installed python package MLRun correctly, but I got in jupyter this error</p> <pre><code>--------------------------------------------------------------------------- HTTPError Traceback (most recent call last) /opt/conda/lib/python3.8/site-packages/mlrun/errors.py in raise_for_status...
<python><import><jupyter-notebook><mlops><mlrun>
2022-12-21 10:52:16
1
1,390
JIST
74,874,877
13,557,319
Grid and Frames in Tkinter
<p>Can we place grid of buttons inside a Frame or can we use both frame and pack inside one class?</p> <p>I wanted to make a simple GUI based calculator in python like this.</p> <p><a href="https://i.sstatic.net/HI9IT.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/HI9IT.png" alt="required output" /></a>...
<python><tkinter><grid><frame>
2022-12-21 10:47:30
1
342
Linear Data Structure
74,874,854
19,155,645
pandas: how to check that a certain value in a column repeats maximum once in each group (after groupby)
<p>I have a pandas DataFrame which I want to group by column A, and check that a certain value ('test') in group B does not repeat more than once in each group.</p> <p>Is there a pandas native way to do the following: <br> 1 - find the groups where 'test' appears in column B more than once ? <br> 2 - delete the additio...
<python><pandas><group-by>
2022-12-21 10:45:00
1
512
ArieAI
74,874,626
14,488,888
Finding the first and last occurrences in a numpy array
<p>I have a (large) numpy array of boolean values, where the <code>True</code> indicate the zero-crossing condition of another previously processed signal. In my case, I am only interested in the indexes of the first and last <code>True</code> values in the array and therefore I'd rather not use <code>np.where</code> o...
<python><numpy>
2022-12-21 10:27:52
3
741
Martí
74,874,622
8,113,126
Add a vertical line in XLXSWriter graph
<p>I need to add a vertical line to the excel chart similar to below image. The chart is developed using Xlsxwriter==1.2.9.</p> <p><a href="https://i.sstatic.net/rYgeS.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/rYgeS.png" alt="enter image description here" /></a></p> <p>I am trying to pass a single ...
<python><python-3.x><xlsxwriter>
2022-12-21 10:27:32
1
340
Jai Simha Ramanujapura
74,874,518
995,431
Python Celery nested chord
<p>I'm trying to use nested chord's in Celery, but can't get it to work.</p> <p>The use-case I have is a for first run a single task, the output of the then feeds into a group of multiple tasks, the output of that group is then intended to feed into another single task.</p> <p>To debug I started with a minimal applicat...
<python><celery><chord>
2022-12-21 10:19:48
1
325
ajn
74,874,359
17,378,883
How to sum values in columns in group, keeping row number same?
<p>My dataset looks like this:</p> <pre><code>val1 val2 val3 val4 a1 b 1 c a1 d 1 k a2 b 3 c a2 d 4 k </code></pre> <p>I want to sum values in column &quot;val3&quot; grouped by &quot;val1&quot; while keeping all other values same. the number of rows in d...
<python><python-3.x><dataframe><function><group-by>
2022-12-21 10:08:48
1
397
gh1222
74,874,310
8,708,364
Why can't I replace Ellipsis using `pd.DataFrame.replace`?
<p>I have this following <code>pd.DataFrame</code>:</p> <pre class="lang-py prettyprint-override"><code>&gt;&gt;&gt; df = pd.DataFrame({'a': [1, 2, 3, 4], 'b': ['a', 'b', 'c', 'd'], 'c': [1.2, 3.4, 5.6, 7.8], 'd': [..., ..., ..., ...]}) &gt;&gt;&gt; df a b c d 0 1 a 1.2 Ellipsis 1 2 b 3.4 Ellipsi...
<python><pandas><dataframe><replace><ellipsis>
2022-12-21 10:04:45
2
71,788
U13-Forward
74,874,309
9,274,940
Seaborn to a image object without saving it
<p>I have a seaborn figure, I want convert the figure to a bytes object.</p> <p>With plotly I would do something like this:</p> <pre><code>import plotly.express as px import plotly.io as pio wide_df = px.data.medals_wide() fig = px.bar(wide_df, x=&quot;nation&quot;, y=[&quot;gold&quot;, &quot;silver&quot;, &quot;bron...
<python><image><seaborn>
2022-12-21 10:04:43
1
551
Tonino Fernandez
74,874,262
7,760,910
unittest in python not working as expected
<p>We are deploying the code in <code>CI/CD</code> fashion via <code>Terraform</code>. So, we have a <code>lambda</code> <code>function</code> under which I have written a code for retrieving the specific <code>secret</code> creds.</p> <p>Below is my lambda code:</p> <pre><code>logger = get_provisioner_logger() session...
<python><amazon-web-services><unit-testing><python-unittest><python-unittest.mock>
2022-12-21 10:00:55
1
2,177
whatsinthename
74,874,235
10,490,375
Confidence interval in normal Q-Q plot using `statsmodels`
<p>I would like to do draw 95% confidence interval in <code>python</code> using <code>statsmodels</code>, but <code>qqplot()</code> doesn't have this option.</p> <p>If it's not possible, math equation is also acceptable so that I can simply add it to the plot on my own.</p> <pre><code>import numpy as np import statsmod...
<python><statsmodels>
2022-12-21 09:59:33
1
376
nochenon
74,874,185
5,810,015
TypeError: a bytes-like object is required, not 'str' when splitting lines from .gz file
<p>I have a gz file <strong>sample.gz</strong>.</p> <pre class="lang-none prettyprint-override"><code>This is first line of sample gz file. This is second line of sample gz file. </code></pre> <p>I read this .gz file and then split it line by line. Once I have individual lines I further split it into parts with whitesp...
<python><string><split><typeerror>
2022-12-21 09:55:56
2
417
data-bite
74,873,907
10,434,932
Match two regex patterns multiple times
<p>I have this string &quot;Energy (kWh/m²)&quot; and I want to get &quot;Energy__KWh_m__&quot;, meaning, replacing all non word characters and sub/superscript characters with an underscore.</p> <p>I have the regex for replacing the non word characters -&gt; <code>re.sub(&quot;[\W]&quot;, &quot;_&quot;, column_name)</c...
<python><regex><string>
2022-12-21 09:33:33
1
549
J.Doe
74,873,778
12,468,438
Avoid pandas FutureWarning object-dtype columns with all-bool values when possible values are bool and NaN
<p>I have ~1 million pandas dataframes containing 0-10,000 rows and 160 columns. In a dataframe 5-10 columns may have values [False, True, np.nan] and are 'object' or 'bool' dtype. Some 'object' dtype columns contain only True or False. I handle all these columns as if they could contain [False, True, np.nan], so no <c...
<python><pandas>
2022-12-21 09:22:20
0
314
Frank_Coumans
74,873,546
7,932,866
How to handle very big OSMdata with Pyrosm
<p>I use Pyrosm for parsing <code>*.osm.pbf</code> files.<br /> On their websites it says &quot;When should I use Pyrosm? However, pyrosm is better suited for situations where you want to fetch data for whole city or larger regions (even whole country).&quot;</p> <p>However when I try to parse to big <code>.osm.pbf</co...
<python><parsing><bigdata><openstreetmap>
2022-12-21 09:01:33
1
907
Lupos
74,873,479
15,383,310
Google artifact registry list_tags in python - contains invalid argument
<p>I'm a code newbie so please be kind :) I've got my google credentials set and I've checked the documentation for the python library for artifact registry (v1), but clearly doing something daft, as I'm receiving this response back - <code>google.api_core.exceptions.InvalidArgument: 400 Request contains an invalid arg...
<python><google-cloud-platform><google-artifact-registry>
2022-12-21 08:55:27
1
585
sc-leeds
74,873,454
7,162,781
Ray doesn't work in a docker container (linux)
<p>I have a python code that uses ray. It works locally on my mac, but once I try to run it inside a local docker container I get the following:</p> <p>A warning:</p> <pre><code>WARNING services.py:1922 -- WARNING: The object store is using /tmp instead of /dev/shm because /dev/shm has only 67108864 bytes available. Th...
<python><docker><dockerfile><ray>
2022-12-21 08:54:05
0
393
HagaiA
74,873,366
13,440,165
Class init in Python with custom list of parameters, set default if parameters is not explicitly passed
<p>I want to define in Python 3.9 a class which gets as a parameter a dictionary or a list of arguments and sets the class attributes in the following matter:</p> <ol> <li>If the key name is passed in the argument it uses it to set the corresponding class attribute.</li> <li>If the key name is not passed, it sets the c...
<python><python-3.x><class><parameter-passing>
2022-12-21 08:46:48
2
883
Triceratops
74,873,183
5,554,839
(python)Getting coordinates of points for dot plot
<p>My data is given as 0.1, 0.2, 0.2, 0.2, 0.4, and 0.3. My goal is to draw dot plot using matplotlib scaterplot by plottting these points which is the solution: (0.1,1) (0.2,1) (0.2,2) (0.2,3) (0.4,1) (0.3,1). Is there a neat way to obtain these points above? ※The 0.2 appears three time in my data, therefore (0.2,1)...
<python><matplotlib><scatter-plot>
2022-12-21 08:28:46
1
501
Soon
74,873,163
12,752,172
How to read text inside a div tag in selenium python?
<p>I'm trying to load data for a unique id set that loads from the database to a list. when eneter the id into a search textbox and clicking on the search button it will generate an HTML data table. But Some ids do not create the data table. it will show a message &quot;No resuts to display.&quot; Now I need to continu...
<python><selenium><web-scraping><xpath><webdriver>
2022-12-21 08:27:28
1
469
Sidath
74,873,029
9,457,809
Python environment different between terminal and VSCode
<p>I am having issues using my conda environment from within VS Code. This is strange because it has usually worked in the past but recently not anymore. I read through some posts to find a solution but was unable to solve it.</p> <p>I am trying to use a conda environment called <code>jobapp</code>.</p> <p>In terminal:...
<python><visual-studio-code><anaconda><conda>
2022-12-21 08:13:37
1
333
Philipp K
74,873,026
3,971,855
How to do a category level fuzzy match in opensearch
<p>I have a index(table) in opnesearch with name cat_master_list. Sharing the sample below</p> <div class="s-table-container"> <table class="s-table"> <thead> <tr> <th style="text-align: left;">code</th> <th style="text-align: center;">category</th> <th style="text-align: right;">name</th> </tr> </thead> <tbody> <tr> <...
<python><elasticsearch><opensearch>
2022-12-21 08:13:30
1
309
BrownBatman
74,872,925
1,723,626
Python allowing @ in alphanumeric regex
<p>I only want to allow alphanumeric &amp; a few characters (<code>+</code>, <code>-</code>, <code>_</code>, whitespace) in my string. But python seems to allow <code>@</code> and <code>.</code> (dot) along with these. How do I exclude <code>@</code>?</p> <pre><code>import re def isInvalid(name): is_valid_char = b...
<python><regex><python-re>
2022-12-21 08:04:42
2
6,947
Optimus Prime
74,872,799
6,204,063
Inherit a function (incl. docstring) as a class method
<p>Imagine, there is a function like this</p> <pre><code>def bar(a: str, b: str): &quot;&quot;&quot; Do somehting with a and b. &quot;&quot;&quot; print(a, b) </code></pre> <p>Then there is a class, where i would like to adapt this function, but keep the docstring (and also the dynamic autocomplete and ...
<python><python-3.x><class><docstring>
2022-12-21 07:52:29
0
410
F. Win
74,872,742
5,684,405
SpaCy3 ValueError without message
<p>I'm new to Spacy but want to train simply NER with new labels using the <code>en_core_web_trf</code>. So I've created code like below however I keep getting unknown <code>ValueError</code>.</p> <p>How can I fix this?</p> <pre><code>import random from spacy.training import Example from spacy.util import minibatch, co...
<python><spacy><spacy-3><spacy-transformers>
2022-12-21 07:45:34
0
2,969
mCs
74,872,652
2,606,766
How to overwrite default pytest parameters in pycharm?
<p>Whenever I launch a test inside pycharm it is executed w/ the following parameters:</p> <pre><code>Launching pytest with arguments tests/unittests/routers/test_data.py::TestDataRouter::test_foo --no-header --no-summary -q in ... </code></pre> <p>How do I get rid of the <code>--no-header --no-summary -q</code> argume...
<python><pycharm><pytest>
2022-12-21 07:35:25
1
1,945
HeyMan
74,872,551
6,843,103
Pyspark Dataframe - how to add multiple columns in dataframe, based on data in 2 columns
<p>I've a pyspark dataframe requirement, which i need inputs on :</p> <p>Here is the scenario :</p> <pre><code>df1 schema: root |-- applianceName: string (nullable = true) |-- customer: string (nullable = true) |-- daysAgo: integer (nullable = true) |-- countAnomaliesByDay: long (nullable = true) Sample Data:...
<python><dataframe><apache-spark><join><pyspark>
2022-12-21 07:23:08
2
1,101
Karan Alang
74,872,517
1,539,757
How to read and execute python script stored in memory from node js app
<p>I have node JS application where I am storing python file on filesystem and execute that python script stored in filesystem and log the output as well using</p> <pre><code>const scriptExecution = spawn('python', ['-u', pythonfilePath]); scriptExecution.stdout.on('data', (data) =&gt; { } </code></pre> <p>but my pytho...
<python><node.js><memory><filesystems>
2022-12-21 07:19:51
1
2,936
pbhle
74,872,407
6,753,182
Why does numpy handle overflows inconsistently?
<p>How come the following test works fine on Windows, but fails on Linux:</p> <pre><code>import numpy as np print(f&quot;Numpy Version: {np.__version__}&quot;) # version A versionA = np.eye(4) versionA[:3, 3] = 2**32 + 1 versionA = versionA.astype(np.uint32) # version B versionB = np.eye(4, dtype=np.uint32) versionB...
<python><numpy><overflow>
2022-12-21 07:08:26
1
3,290
FirefoxMetzger
74,872,356
17,889,840
How to remove list of elements from a Tensorflow tensor
<p>For the following tensor:</p> <pre><code> &lt;tf.Tensor: shape=(2, 10, 6), dtype=int64, numpy= array([[[ 3, 16, 43, 10, 7, 431], [ 3, 2, 6, 5, 7, 2], [ 3, 37, 5, 7, 2, 12], [ 3, 2, 11, 5, 7, 2], [ 3, 2, 6, 18, 14, 195], [ 3, ...
<python><list><tensorflow>
2022-12-21 07:04:19
3
472
A_B_Y
74,872,315
14,553,366
Why getting g++ not recognized as a command while running subprocess in python?
<p>I have an online ide which takes code and language from the user and upon submitting the server has to execute the file. I have g++ installed on my system still upon execution I get the following error in subprocess module:</p> <pre><code>'g++' is not recognized as an internal or external command, operable program o...
<python><django><django-rest-framework><subprocess><g++>
2022-12-21 07:00:10
1
430
Vatsal A Mehta
74,872,261
1,489,503
Python Web Scraping - Wep Page Resources
<p>I'm trying to scrape a specific website, but the data is loaded dynamically. I found that the data is in <a href="https://www.fincaraiz.com.co/_next/data/build/proyecto-de-vivienda/altos-del-eden/el-eden/barranquilla/7109201.json?title=altos-del-eden&amp;location1=el-eden&amp;location2=barranquilla&amp;code=7109201"...
<python><html><web-scraping><beautifulsoup><scrapy>
2022-12-21 06:53:24
1
968
Rednaxel
74,872,012
8,832,997
Python LEGB lookup
<p>I think I have misunderstood Python LEGB lookup principle. So, at first just hear my understanding.</p> <p>If python interpreter encounters a variable name it at first looks for it in <strong>L</strong>ocal scope, if not found then in <strong>E</strong>nclosing scope, if still not found then in <strong>G</strong>lob...
<python><function><scope>
2022-12-21 06:20:59
1
1,357
Sabbir Ahmed
74,872,002
4,894,051
How can I group and sum a pandas dataframe?
<p>I've had a good hunt for some time and can't find a solution so asking here.</p> <p>I have data like so:</p> <pre><code>Plan | Quantity_y Starter | 1 Intermediate | 1 Intermediate | 1 Intermediate | 2 Intermediate | 1 Intermediate | 14 Intermediate | 1 Advanced | 1 Advanced | 1 Advanced | 2 ...
<python><pandas><dataframe><group-by><sum>
2022-12-21 06:19:56
1
656
robster
74,871,911
8,481,155
Dataflow Job to start based on PubSub Notification - Python
<p>I am writing a Dataflow job which reads from BigQuery and does a few transformations.</p> <pre><code>data = ( pipeline | beam.io.ReadFromBigQuery(query=''' SELECT * FROM `bigquery-public-data.chicago_crime.crime` LIMIT 100 ''', use_standard_sql=True) | beam.Map(print) ) </code></pre> <p>But my re...
<python><google-cloud-platform><google-cloud-dataflow><apache-beam><google-cloud-pubsub>
2022-12-21 06:05:54
2
701
Ashok KS
74,871,717
4,505,884
Install github organization private package using docker build
<p>I am part of an organization X. Here, we have a python package which is added into requirements.txt. I have access to this repository.</p> <p>When I am doing pip install <a href="https://github.com/X/repo.git" rel="nofollow noreferrer">https://github.com/X/repo.git</a>, it is working fine. Because it was using my gi...
<python><git><docker><github><ssh>
2022-12-21 05:35:57
1
502
vam
74,871,659
972,399
Is it possible to change an object in an array while looping through the array?
<p>I am trying to change the structure of an object inside of an array that I am looping though with a for loop. Nothing seems to happen to the object unless I append it to a new array.</p> <p>I just can't help but think there is a better way to do this...</p> <p>I have replaced all the real data and naming with placeh...
<python>
2022-12-21 05:26:56
1
446
alphadmon
74,871,654
6,077,239
Calculate the sum of absolute difference of a column over two adjacent days on id
<p>I have a dataframe like this</p> <pre><code>import pandas as pd df = pd.DataFrame( dict( day=[1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 5, 5], id=[1, 2, 3, 2, 3, 4, 1, 2, 2, 3, 1, 3, 4], value=[1, 2, 2, 3, 5, 2, 1, 2, 7, 3, 5, 3, 4], ) ) </code></pre> <p>I want to calculate the sum of absolut...
<python><pandas>
2022-12-21 05:26:14
1
1,153
lebesgue
74,871,607
8,708,364
Reverse values in pd.Series by their value type
<p>I have this <code>pd.Series</code>:</p> <pre><code>s = pd.Series([1, 'a', 1.4, 'b', 4, 98, 6.7, 'hello', 98.9]) </code></pre> <p>My goal is to switch the values by each value type in reverse order.</p> <p>My desired output is:</p> <pre><code>&gt;&gt;&gt; s = pd.Series([98, 'hello', 98.9, 'b', 4, 1, 6.7, 'a', 1.4]) &...
<python><pandas><group-by><series>
2022-12-21 05:20:10
2
71,788
U13-Forward
74,871,587
20,174,226
Improve itertools.pairwise() function
<p>I am trying to create a custom function that improves the itertools <a href="https://docs.python.org/3/library/itertools.html#itertools.pairwise" rel="nofollow noreferrer">pairwise</a> function.</p> <p>Unlike the <strong>pairwise</strong> function, which returns <strong>pairs</strong> of items (<strong>n=2</strong>)...
<python><algorithm><python-itertools>
2022-12-21 05:16:03
2
4,125
ScottC
74,871,496
11,332,693
AttributeError: 'float' object has no attribute 'split' while splitting the rows with nan in python
<p>df</p> <pre><code>Id Place Id1 New York,London,Russia Id2 Argentina Id3 </code></pre> <p>I am iterating row wise and splitting the values. For third row and I am getting the error 'AttributeError: 'float' object has no attribute 'split'. How to handle nan cases ?</p> <p>My try</p> <pre><code>L1 = ...
<python><pandas><attributeerror>
2022-12-21 04:58:49
1
417
AB14
74,871,472
122,466
pandas - dealing with multilayered columns
<p>I am trying to read stock quotes from Yahoo finance using a library. The returned data seems to have columns stacked over two levels:</p> <p><a href="https://i.sstatic.net/8Kdcm.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/8Kdcm.png" alt="enter image description here" /></a></p> <p>I want to get ri...
<python><pandas>
2022-12-21 04:52:45
1
10,387
Aadith Ramia
74,871,374
9,668,218
How to apply" Initcap" only on records whose values are not all capital letters in a PySpark DataFrame?
<p>I have a PySpark DataFrame and I want to apply &quot;Initcap&quot; on a specific column. However, I want this transformation only on records whose value is not all capitals. For example ,in the sample dataset below, I don't want to apply &quot;Initcap&quot; on USA:</p> <pre><code># Prepare Data data = [(1, &quot;Ita...
<python><dataframe><pyspark><capitalize>
2022-12-21 04:36:45
3
1,033
Mohammad
74,871,282
1,953,475
Efficient alternative to for loop with many if statements
<p>I have a list where the index represents the year, eg. y1, y2, y3, ..etc and the values represent the company that person worked for.</p> <p>In the following example, p1[0]=c152 represents p1 in year 0 worked for company c152.</p> <pre><code> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...
<python><bit-manipulation>
2022-12-21 04:21:21
2
19,728
B.Mr.W.
74,871,215
14,122,835
transpose multiple rows to columns with pandas
<p>I have this excel table read in jupyter notebook with pandas. I want to melt the upper row side of the table into column. The table looks like as follow:</p> <pre><code> ori code cgk cgk clg clg ori city jakarta NaN cilegon NaN ...
<python><pandas><transpose><pandas-melt>
2022-12-21 04:07:57
1
531
yangyang
74,871,172
1,769,197
Python: how to speed up this function and make it more scalable?
<p>I have the following function which accepts an indicator matrix of shape (20,000 x 20,000). And I have to run the function 20,000 x 20,000 = 400,000,000 times. Note that the <code>indicator_Matrix</code> has to be in the form of a pandas dataframe when passed as parameter into the function, as my actual problem's da...
<python><pandas><numpy><performance><matrix>
2022-12-21 03:57:18
3
2,253
user1769197
74,870,994
8,739,330
Python regex not capturing groups properly
<p>I have the following regex <code>(?:RE:\w+|Reference:)\s*((Mr|Mrs|Ms|Miss)?\s+([\w-]+)\s(\w+))</code>.</p> <p>Input text examples:</p> <ol> <li>RE:11567 Miss Jane Doe 12345678</li> <li>Reference: Miss Jane Doe 12345678</li> <li>RE:J123 Miss Jane Doe 12345678</li> <li>RE:J123 Miss Jane Doe 12345678 Reference: Test Co...
<python><regex><invoice2data>
2022-12-21 03:17:16
1
2,619
West
74,870,978
399,508
how do I pass the name of a dictionary as an argument to my function
<pre><code>data = {'employer':'Apppe, Inc', 'title': 'Senior Software Engineer', 'manager': 'Steve Jobs', 'city': 'Cupertino'} def my_function(**data): employername = data['employer'] title = data['title'] manager = data['manager'] city = data['city'] print(city) my_function(**data) use...
<python><dictionary>
2022-12-21 03:12:39
1
7,655
GettingStarted
74,870,866
9,613,633
How do I remove a comment outside of the root element of an XML document using python lxml
<p>How do you remove comments above or below the root node of an xml document using python's <code>lxml</code> module? I want to remove only one comment above the root node, NOT all comments in the entire document. For instance, given the following xml document</p> <pre class="lang-xml prettyprint-override"><code>&lt;?...
<python><xml><lxml>
2022-12-21 02:49:53
2
372
Cnoor0171
74,870,856
5,307,040
Using global variables in pytest
<p>I am trying to write a test as follows and an ending up getting the following error:</p> <pre><code>def test_retry(): hits = 0 def f(): global hits hits += 1 1 / 0 with pytest.raises(ZeroDivisionError): f() </code></pre> <p>and get the following error:</p> <pre><code>&gt; hits += 1 E ...
<python><python-3.x><pytest>
2022-12-21 02:48:38
1
772
rakshith91