input_text_instruct stringlengths 282 37.9k | output_text stringlengths 37 27.3k |
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Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Django Template curly brackets inside curly brackets<pre class="lang-html prettyprint-override"><code>{% if hosts %}
<div class="row">
... | <p>Are there an equal number of hosts and headers? If so, you could use zip(), in your view, to zip them together as follows:</p>
<pre><code>headers_and_hosts = zip(headers, hosts)
</code></pre>
<p>Then this would allow you to do something like this in your template:</p>
<pre><code>{% for host, header in headers_and_ho... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
In my code, why doesn't my list sort from the earliest to the latest in dates?<pre><code>from datetime import date, timedelta, time, datetime
# 1 Complete read_d... | <p>The dates are not sorted because you are assigning the datetime object to the variables <strong>date?_read</strong>, which are never added to the <strong>list_date</strong> before applying the <strong>sorted()</strong> built-in function.
That means the list elements are sorted as strings, not as dates.
Here are the ... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
how to add elements in the list in python with one loops or without loops or any direct functions<p>I need code to sum lists.
Example: [[1,2,3],[1,2,3]]. answer b... | <p>Refer <a href="https://www.adamsmith.haus/python/answers/how-to-add-two-lists-element-wise-in-python" rel="nofollow noreferrer">this</a> this can work for <code>n</code> number of list too and please try first, read docs, and provide relevant resources that you tried or code snippet.</p>
<pre class="lang-py prettypr... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Python how to filter a csv based on a column value and get the row count<p>I want to do data insepction and print count of rows that matches a certain value in on... | <p>Sum Boolean selection</p>
<pre><code>(data['income'].eq('<50K')).sum()
</code></pre> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Getting TypeError When Trying To Write To A File And Append It To a Zip folder at same time<p>I want to write some information to a text file and after my loop is... | <p>Try this method:</p>
<pre><code>file = 'file.txt'
zipfile.ZipFile('food_data.zip', "w", zipfile.ZIP_DEFLATED)
zf.writestr(file, "Hello! Confirmed that API is working!")
zf.close()
</code></pre> |
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Stackoverflow question:
Python BOTO3 script is not returning name inside the tag<p>I need to extract the name, instance id, state of AWS EC2 and export it to csv. By using the below code... | <p>Try:</p>
<pre><code>[x for x in Instances['Tags'] if x['Key'] == 'NAME'][0]['Value']
</code></pre>
<p>This will break, if the tag name isn't defined for a specific instance.</p>
<pre><code>tag_names = [x for x in Instances['Tags'] if x['Key'] == 'NAME']
if len(tag_names) > 0: name = tag_names[0]
</code></pre> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Why HTML file that I got from Google Translate using my script, is different from what I really want?<p>I want to make a web scraper that will automatically take ... | <p>You can use <a href="https://pypi.org/project/googletrans/" rel="nofollow noreferrer">googletrans</a> module of Python to translate some text through free API.</p>
<p>But if you want to scrape the Google Translate then you can do the following</p>
<pre><code>import requests_html
from bs4 import BeautifulSoup as BS
... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How can I find what time of day it is in python?<p>what time of day is it ? [morning/afternoon/evening/night]</p>
<pre><code>#example:
a = day()
print("The t... | <p>It's kinda easy!</p>
<p>Code:</p>
<pre class="lang-py prettyprint-override"><code>import datetime as dt
def day(han): #find what time of day is it?
t = han.datetime.now()
h = t.strftime("%H")
h = int(h)
if h < 12:
return "morning"
h = 0
t = 0
... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Google Drive API seems to return wrong modified time<p>I am basically getting the modified time like this:</p>
<pre><code>request = service.files().get_media(file... | <p>The file attribute <code>modifiedTime</code> and the latest revision timestamp don’t always store the same value, that’s expected behavior.</p>
<p>The code provided fetches the Drive file item attribute <code>modifiedTime</code>, however the screenshot attached shows the revision list. The <code>modifiedTime</code>... |
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Stackoverflow question:
TypeError: 'Pipeline' object is not callable in custom classifier<p>I am working on a classification problem. I have created a class for my classifier. I am havin... | <p>Your <code>self.clf_pipeline</code> is a <code>Pipeline</code> object, so <code>self.clf_pipeline(X,y)</code> is trying to <em>call</em> the pipeline on the inputs <code>X, y</code>, but (as the error says) <code>Pipeline</code>s aren't functions. Presumably you want something like <code>self.clf_pipeline.fit(X, y)... |
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Stackoverflow question:
ImportError: No module named alc Python<p>I'm need to inject option 18 to a DHCPv6 traffic, I found this code, <a href="https://documentation.nokia.com/html/0_add... | <blockquote>
<p><strong>alc</strong> — The SR OS-provided packages provide access to various ESM
objects such as DHCPv4, DHCPv6 or RADIUS packets.</p>
</blockquote>
<p>Found <a href="https://documentation.nokia.com/html/0_add-h-f/93-0098-HTML/7750_SR_OS_Triple_Play_Guide/Appendix-Python.pdf" rel="nofollow noreferrer">h... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How to perform on global dataframe in the target function of multiprocessing in python?<p>I have the following code. I want to calculate values of all pairs using... | <p>First, a couple of things:</p>
<ol>
<li>It should be: <code>from multiprocessing import Pool</code> (not <code>from multiprocess</code>)</li>
<li>It appears you have left out the import of the <code>pandas</code> library.</li>
</ol>
<p>Moving on ...</p>
<p>The problem is that under Windows the creation of new proces... |
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Stackoverflow question:
Python integer and float multiplication error<p>The question seems dummy, but I cannot get it right. The output <code>cm1</code> is expected to be floats, but I ... | <p><code>empty_like()</code> <a href="https://www.geeksforgeeks.org/numpy-empty_like-python/" rel="nofollow noreferrer">matches the type</a> of the given numpy array by default, as <a href="https://stackoverflow.com/users/901925/hpaulj">hpaulj</a> suggested in the comments. In your case <code>cm0</code> is of type inte... |
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Stackoverflow question:
How to count the number of days a stock price is higher than the other<p>I would Like to get a count of the number of days for which (VZ) stock return is larger t... | <p>To do this you can check which times the "VZ" value is higher than the "INX" value using a column operation, and get the sum of the output:</p>
<pre class="lang-py prettyprint-override"><code>temp = df["VZ"] > df["INX"]
print(temp.sum())
</code></pre> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Plotting a violin plot with lists<p>I would like to plot a violin plot using Python for a multivariate regression problem. I attempt to obtain a prediction scalar... | <p>OK, I solved my problem. The problem was with my input pandas dataframe. I had to make sure that each of my observation was assigned exactly one single prediction and <strong>not</strong> a complete list.</p>
<p>This is what my data frame should have looked like:</p>
<pre><code>data = pd.DataFrame(
{'groundtruths'... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How Can make PyCharm's autocomplete work on django?<p>I am using pycharm community , I make test project on django and in template I make degree.html file.
I have... | <p>PyCharm Community has no built in support for Django Template language (only Pro version). You could try an Extension/Plugin like Djaneiro:</p>
<p><a href="https://plugins.jetbrains.com/plugin/9295-djaneiro-for-pycharm" rel="nofollow noreferrer">https://plugins.jetbrains.com/plugin/9295-djaneiro-for-pycharm</a></p> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Image segmentation python opencv<p>I want to ask for some advice about the procedure that I should implement for image segmentation working with opencv in python.... | <p>Since I can notice that object's color is different than the background, I found <a href="https://www.pyimagesearch.com/2015/09/14/ball-tracking-with-opencv/" rel="nofollow noreferrer">this guide</a> helpful. The concept is the following :
1.apply RGB filters to your image,
2.grab contours using OpenCV, then
3.apply... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Discordbot with discord.py doesn`t deletes messages with command ctx.channel.purge(*amount*)<p>I got the problem, that when I use the purge command in my Bot usin... | <p>the proper use of <code>@client.command</code> is <code>@client.command()</code>. See if that fixes it.</p> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Allocate the first row of a group in Pandas<p>I want to allocate the first row of a group.</p>
<p>The input:</p>
<pre><code>df = pd.DataFrame({'col1': ['A', 'A', ... | <p>Use <a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.core.groupby.GroupBy.cumcount.html" rel="nofollow noreferrer"><code>groupby.cumcount</code></a> and <a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.eq.html" rel="nofollow noreferrer"><code>eq</code></a>. ... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Counting the occurrence of words in a dataframe column using a list of strings<p>I have a list of strings and a dataframe with a text column. In the text column, ... | <p>Define a custom regex, <code>extractall</code>, <code>join</code>, and <code>melt</code>:</p>
<pre><code>regex = '|'.join(fr'(?P<{w}>\b{w}\b)' for w in string_list)
(df[['title', 'text']]
.join(df['text'].str.extractall(regex).notna().groupby(level=0).sum())
.fillna(0)
.melt(id_vars=['title', 'text'], var_... |
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Stackoverflow question:
How to call a variable outside a validate() function which is inside the FlaskForm class<p>I have two <code>def validate(self)</code> functions within the <code>R... | <p>Set a form instance variable in the validation method:</p>
<pre><code>class RegistrationForm(FlaskForm):
def __init__(self, *args, **kwargs):
super(RegistrationForm, self).__init__(*args, **kwargs)
self.total_travel_km = None
def validate_home_address(self, home_address):
user_loc =... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Update a DataFrame with duplicate destination<p>I would like to update a dataframe with another one but with multiple "destination". Here is an example<... | <p>You can use <code>fillna</code> after mapping the column <code>A</code> in <code>df1</code> with the corresponding values from <code>df2</code>:</p>
<pre><code>mapping = df2.set_index('name')['value']
df1['value'] = df1['value'].fillna(df1['name'].map(mapping))
</code></pre>
<p>If you want to <code>map</code> multip... |
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Stackoverflow question:
Check if a Python list has X number of consecutive values equal to Y<p>I have a collection of lists each containing 16 items, and I want to find lists with 12 con... | <p>I would harness <code>itertools.groupby</code> following way</p>
<pre><code>import itertools
data = [1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1]
runs = [len(list(g)) for _,g in itertools.groupby(data)]
if data[0] == data[-1]:
runs[0] += runs.pop()
print(max(runs) >= 12) # True
</code></pre>
<p>Explanatio... |
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Stackoverflow question:
web scraping / web crawling showing 403 error on the site i want to crawl<pre><code>import requests
from bs4 import BeautifulSoup
url ='https://www.vesselfinder.c... | <p>Server wants an additional header for language</p>
<pre><code>import requests
headers = {
'user-agent': 'Mozilla/5.0',
'accept-language': 'en-GB,en-US;q=0.9,en;q=0.8',
}
response = requests.get('https://www.vesselfinder.com/vessels', headers=headers)
response.status_code
</code></pre> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Why does flake8 give different results for the same command locally and within tox?<p>I have a Python project and I use <code>flake8</code> to lint my code.</p>
... | <p>your <code>tox.ini</code> has:</p>
<pre><code>changedir = {toxworkdir}/{envname}
</code></pre>
<p>this means that when you run <code>flake8</code> in tox, it's linting (non-existent) <code>.tox/flake8/scripts</code> / <code>.tox/flake8/src</code> / <code>.tox/flake8/tests</code> and so you don't see an error (the ... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Convert list type dictionary to pandas dataframe - python<p>I want to convert dictionary which has two rows. The values are in the first row and keys are in the s... | <p>Use <code>DataFrame</code> constructor with select values of dictionary:</p>
<pre><code>d = {'data': [['1', 'Male', ['a,b,c'], 'USA'],['2', 'Male', ['r,g,e'], 'JAPAN'],['3', 'Female', ['f,r,b'], 'UK']],
'columns': ['id', 'gender', 'array_userid' ,'location']}
</code></pre>
<hr />
<pre><code>df = pd.DataFrame(data=d... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Replacing table content using beautifulsoup<p>I want to parse a HTML document which has tabular data also in it using beautiful soup. I am doing some NLP over it.... | <p>Once you found the element then use <code>ele.string.replace_with("")</code></p>
<p>Based on your sample html</p>
<pre><code>html='''<html>
<head>
<title>HTML Tables</title>
</head>
<body>
<table border = "1">
<tr>
<td&g... |
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Stackoverflow question:
Pyinstaller exe error "win32com\client\dynamic.py", line 543, in __getattr__ pywintypes.com_error: (-2147221168, 'Could not read key from registry'<p>I have conve... | <p>Issue resolved!
The real issue is with the excel VBA. Below is the line that's causing error</p>
<pre><code> Set Connection = Appl.OpenConnectionByConnectionString("XX.XXX.XX.XXX XX", True)
</code></pre>
<p>Excel VBA trying to connect to SAP but there's a problem. I found a solution link below where I hav... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How to select one row for each distinct value for a particular column and merge to form a new dataframe in Python?<p>The dataset I am using looks like this. It is... | <p>You can use <code>groupby()</code> to sample the index:</p>
<pre><code>s = df.index.to_series().groupby(df['Video_ID']).apply(lambda x: x.sample(n=1))
# random unique
df.loc[s]
# rest of data
df.drop(s)
</code></pre> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Azure ML PipelineData with DataTransferStep results in 0 bytes file<p>I am building an Azure ML pipeline with the azureml Python SDK. The pipeline calls a PythonS... | <p>The code example is immensely helpful. Thanks for that. You're right that it can be confusing to get <code>PythonScriptStep -> PipelineData</code>. Working initially even without the <code>DataTransferStep</code>.</p>
<p>I don't know 100% what's going on, but I thought I'd spitball some ideas:</p>
<ol>
<li>Does... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Why is Python still garbage-collecting my Tkinter image?<p>I'm aware that this is a question that has been asked before on this site. However, <strong>I've made a... | <p>The argument to <code>PhotoImage("...")</code> is wrong. It should be <code>PhotoImage(file="...")</code>.</p> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
solving for a ratio while eliminating specific variables in a set of linear equations<p>I am still having a problem, a different one than my previous <a href="htt... | <p>The problem is that you have 4 equations and you've only specified one unknown (vout). The system is generically unsolvable for most values of <code>vb, vc, ve</code> so asking to solve only for <code>vout</code> leads to no solution (in the generic case).</p>
<p>Ask to solve for <code>vout, vb, vc, ve</code> as 4 u... |
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Stackoverflow question:
Calling python script with config file from node.js as a child process<p>I am calling a python script as a child process from node.js, the python script uses a co... | <p>What seems to be happening is that <code>ConfigParser().read(file)</code> reads based off of the current working directory, which would be where the JavaScript file is, not inside the <code>config</code> folder.</p>
<p>You can get around that by using <code>pathlib</code> (pre-installed, core library)</p>
<pre class... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Aging Clock running python script<p>Hi Stack Overflow Community,</p>
<p>I have very little experience with Python, but want to run the following script which I fo... | <p>tl;dr: You're doing it wrong. ;-)</p>
<p>The <code>test_predict()</code> function already
knows the proper calling sequence.
Recommend you follow its lead.</p>
<p>Correct input dataframe should look like this:</p>
<pre><code>(Pdb) l
13 :return: A binarized copy of the original data without meta-information
... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Pandas Multiindex subtract based on only two index level matchings<p>Say I have a Pandas multi-index data frame with 3 indices:</p>
<pre><code>import pandas as pd... | <p><a href="https://stackoverflow.com/q/53217607/2336654">related question but not focused on <code>MultiIndex</code></a></p>
<p>However, the answer doesn't really care. The <code>sub</code> method will align on the matching index levels.</p>
<p><a href="https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.sub... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
PyQt5 all button signals/events?<p>The signal for MOUSE1 on the button is widget.clicked, what are the ones for MOTION and MOUSE2? Also if anyone knows a site wit... | <p>You just need to connect the button's <code>clicked</code> signal to your function. </p>
<pre><code>button.clicked.connect(pressed_mouse2)
</code></pre>
<p>Now when you click the button you can execute any code here:</p>
<pre><code>def pressed_mouse2():
print('Button clicked')
</code></pre>
<p>There are many... |
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Stackoverflow question:
python celery invalid value for -A unable to load application<p>I have a following project directory:</p>
<pre><code>azima:
__init.py
main.py
tasks.py... | <p>There are two approaches</p>
<ol>
<li>import your <code>app</code> to <code>azima/__init__.py</code></li>
</ol>
<pre class="lang-py prettyprint-override"><code>from azima.main import app
celery = app # you can omit this line
</code></pre>
<p>You can omit the last line, celery will recognize the celery app from... |
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Stackoverflow question:
StaleElementReferenceException: Message: stale element reference: element is not attached to the page document error when using Selenium and Python<p>I'm writing ... | <p>To print the value of the <em>href</em> attribute you have to induce <a href="https://stackoverflow.com/questions/49775502/webdriverwait-not-working-as-expected/49775808#49775808">WebDriverWait</a> for the <a href="https://stackoverflow.com/questions/21631116/python-selenium-wait-for-several-elements-to-load/6477004... |
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Stackoverflow question:
How to transform this repeated code in into a function<p>I have a bit of repeated code. I'm trying to check if each sentence in a list of sentences contains a cer... | <p>You don't need a function to get rid of the duplication. Just move the <code>if</code> statement.</p>
<pre><code>for index, sentence in enumerate(sentences):
keyword_set_inside_dict = set()
for each_keyword in complete_keyword_list:
if each_keyword in sentence:
keyword_set_inside_dict.add... |
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Stackoverflow question:
Get number of files in directory with pathlib python<p>I have a two directories with csv files. Both should be of the same length, as I am looping over both of th... | <p><code>rglob</code> returns a generator. Calling <code>list</code> on the generator consumes all items.</p>
<p>You could however convert it to a list initially and then keep working with the list afterwards:</p>
<pre><code>from pathlib import Path
def check():
base = list(Path('home/user/src/log').rglob('*.csv'))... |
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Stackoverflow question:
How can I assign data from a list to pandas DataFrame?<p>I created a df with different courses, and list with prices. What I need is to assign prices to all cours... | <p>Use <a href="https://www.programiz.com/python-programming/dictionary-comprehension" rel="nofollow noreferrer"><code>dict comprehension</code></a> with <a href="https://pandas.pydata.org/docs/reference/api/pandas.Series.map.html" rel="nofollow noreferrer"><code>Series.map</code></a>:</p>
<pre><code># Create a dict wi... |
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Stackoverflow question:
Transform schedule to comprehensive report with Python<p>I'm trying to turn a schedule with the following format into a report format. </p>
<p>Currently the data... | <p>This will need the <code>cumsum</code> create the subgroup then we stack , <code>groupby</code> with <code>agg</code> </p>
<pre><code>df=df.set_index('PersonName')
s1=df.eq('O').cumsum(1).stack().reset_index()
s=s1[df.stack().ne('O').values].groupby(['PersonName',0])['level_1'].agg(['first','last']).reset_index(l... |
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Stackoverflow question:
Appending a values of a list to a list of lists<p>I have a list <code>list1 = [1, 2, 3]</code> and I would like to append it to another list, such that I get <cod... | <p>Everything is fine, the only thing you would need to change is when you add list1 to list_of_lists add it as such:</p>
<pre><code>list_of_lists.append(list(list1))
</code></pre>
<p>Everything should work after that.</p> |
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Stackoverflow question:
How do you properly implement gravity to a free floating space object and some sort of friction when thrusting in opposite direction<p>I am trying to program move... | <p>When you press <kbd>UP</kbd> you don't have to change the speed, but you have to set the acceleration:</p>
<p><s><code>self.vel = vec(PLAYER_SPEED, 0).rotate(-self.rot)</code></s></p>
<pre class="lang-py prettyprint-override"><code>self.acc += vec(PLAYER_ACC, 0).rotate(-self.rot)
</code></pre>
<p>Add the acceleratio... |
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Stackoverflow question:
Change url in python<p>how can I change the activeOffset in this url? I am using Python and a while loop</p>
<p><a href="https://www.dieversicherer.de/versicherer... | <p>If this is a fixed URL, you can write <code>activeOffset={}</code> in the URL then use <code>format</code> to replace <code>{}</code> with specific numbers:</p>
<pre><code>url = "https://www.dieversicherer.de/versicherer/auto---reise/typklassenabfrage#activeOffset={}&orderBy=kh&orderDirection=ASC"... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How to split the value of a field in a Python dataframe, add it to a new row, and use the existing value to add it to a new field<pre><code> STUDY ... | <p>First split value by <code>, </code>and use <a href="http://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.explode.html" rel="nofollow noreferrer"><code>DataFrame.explode</code></a>, divide rows by counts by <a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.core.groupby.... |
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Stackoverflow question:
Euclidean distance of all pandas rows to single row<p>I have a dataset that gives the values of some songs, ie something that looks like:</p>
<pre><code> acous... | <p>The usual procedure for what you're trying to do, is to use one of sklearn's <a href="https://scikit-learn.org/stable/modules/classes.html#module-sklearn.metrics.pairwise" rel="nofollow noreferrer">pairwise metrics</a>, such as the <a href="https://scikit-learn.org/stable/modules/generated/sklearn.metrics.pairwise.c... |
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Stackoverflow question:
How pip manages same packages over different environments for space efficiency<p>I am using a huge pip environment <code>env1</code>, and I would like to create a... | <blockquote>
<p>Is it necessary to reinstall all packages again in env2?</p>
</blockquote>
<p>Yes.</p>
<blockquote>
<p>Will it take the same space in my hard drive as env1</p>
</blockquote>
<p>Yes.</p>
<blockquote>
<p>or pip manages automatically the space efficiency</p>
</blockquote>
<p>No. There is no way ... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Python - Extracting only necessary elements from a string<p>I'm trying to extract only the parts I need from the table.</p>
<pre><code> 2555 texttext 0 ... | <p>If you absolutely want to use a regular expression:</p>
<pre class="lang-py prettyprint-override"><code>import re
text = """
2555 texttext 0 100 100 0 0 0 0 lowness 0
2557 texttext 10 650 660 0 0 0 0 lowness 0
2564 texttext 0 30 30 0 0 0 0 ... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Does sklearn time cpu time or wall time<p>Are the returned timing values for the random and grid search implementations of sklearn in CPU or wall time? All I can ... | <p>After going through the <a href="https://github.com/scikit-learn/scikit-learn/blob/95d4f0841/sklearn/model_selection/_search.py#L1154" rel="nofollow noreferrer">source code</a>...</p>
<p>Line 748:</p>
<pre class="lang-py prettyprint-override"><code>self.cv_results_ = results
</code></pre>
<p>Okay, what is <code>r... |
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Stackoverflow question:
Python: how to remove leading zeros after string in pandas column?<p>I have a dataframe that looks like the following</p>
<pre><code>df
id
0 IT030
1 IT4
... | <p>You can use a regex:</p>
<pre><code># if 0s after a non digit, remove them
df['id'] = df['id'].str.replace(r'(\D)0+', r'\1', regex=True)
</code></pre>
<p>or:</p>
<pre><code># if 0s between a non digit and a digit, remove them
df['id'] = df['id'].str.replace(r'(\D)0+(\d+)', r'\1\2', regex=True)
</code></pre>
<p>outpu... |
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Stackoverflow question:
How to run a Python Script from Deno?<p>I have a python script with the following code:</p>
<pre><code>print("Hello Deno")
</code></pre>
<p>I want to run this p... | <p><code>Deno.run</code> returns an instance of <a href="https://doc.deno.land/https/github.com/denoland/deno/releases/latest/download/lib.deno.d.ts#Deno.Process" rel="noreferrer"><code>Deno.Process</code></a>. In order to get the output use <code>.output()</code>. Don't forget to pass <code>stdout/stderr</code> option... |
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How to filter out the stocks whose price has been increasing for 3 consecutive days<p>I want to filter out the the strong performance stocks among a bunch of comp... | <p>You can compare if the difference is increasingly changing by using a <code>rolling</code> approach:</p>
<pre><code>increase_table = df.rolling(3).apply(lambda x: np.all(np.diff(x) > 0)).astype('boolean')
</code></pre>
<p>Output for the first 10 rows:</p>
<pre><code>Symbols AMZN AAPL NFLX XOM T
D... |
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Stackoverflow question:
youtube_dl error: Failed to parse JSON (caused by JSONDecodeError('Expecting value: line 1 column 1 (char 0)')) disocrd error<p>Error:</p>
<p>youtube_dl.utils.Dow... | <p>You have this error because <a href="https://github.com/ytdl-org/youtube-dl" rel="nofollow noreferrer"><code>youtube-dl</code></a> was taken down, which means that it's not accessible to public anymore.<br></p>
<p>Instead of directly using <code>youtube-dl</code>, you can use libraries like <a href="https://pypi.org... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Best practices on python conditionals<p>When it comes to best practices on conditionals, which of the following examples is recommended?</p>
<pre><code>def sum(ar... | <p>Consider using a ternary expression:</p>
<pre class="lang-py prettyprint-override"><code>def sum(arg1, arg2):
return arg1 + arg2 if arg1 < 3 else None
</code></pre>
<p>As an addendum, if one of the cases is unexpected or undesirable, I like to follow the <a href="https://en.wikipedia.org/wiki/Guard_(computer_... |
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Stackoverflow question:
Conda create virtual environtment with pypy as interpreter in VSCode<p>I have successfully installed conda and pypy because of this <a href="https://stackoverflow... | <p>You can create a conda environment first:</p>
<pre><code>conda create -n pypy3 -c conda-forge pypy3.5
</code></pre>
<p>Afterwards you have to link to the pypy3 interpreter within the bin directory of the env:</p>
<pre><code>ln -s pypy3 python
</code></pre> |
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Stackoverflow question:
sorting a concatenation of sorted arrays<p>What is the sorting algorithm most optimized for sorting an array that consists of 2 sorted sub-arrays?</p>
<p>This que... | <p>In this case, the theoretical time complexity is O(n) because you don't need to sort at all (merely merge two ordered lists). Performing a sort generally has a O(NlogN) complexity.</p>
<p>Complexity and performance are two different things however. Your O(n) solution in Python code is competing with O(NlogN) in hi... |
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Stackoverflow question:
Pandas stacked bar creating many individual plots with incorrect bottom values<p>Given a Dataframe (this is generated from a csv that contains the names and order... | <p>I think you're overthinking this. Just <code>unstack</code> the groupby and plot:</p>
<pre><code>df_count = df.groupby(['order', 'names']).size().unstack('names')
df_count.plot.bar(stacked=True)
</code></pre>
<p>Output:</p>
<p><a href="https://i.stack.imgur.com/u3bdM.png" rel="nofollow noreferrer"><img src="https://... |
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Stackoverflow question:
Typing: Inferred type too general during class inheritance<p>I'm facing the following problem. Suppose I want to define generic class for <code>Dataset</code> and... | <p>Make <code>Dataset</code> class Generic:</p>
<pre><code>T = TypeVar("T")
class Dataset(Generic[T]):
def __init__(self, samples: Mapping[str, T]):
self.samples = samples
def __iter__(self) -> Iterator[T]:
yield from self.samples.values()
class DatasetOfSpecificSamples(Dataset... |
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Stackoverflow question:
How to return data from a Python process to the process that requested it<p>How can I get data back from one (provider) Process to another (requester) Process tha... | <p>In the following demo I have chosen to make "Process Z" a <em>daemon</em> process, meaning that it will automatically terminate when all <em>non-daemon</em>, i.e. "regular" processes, terminate. Alterntively, you can make this a regular process and put in its input queue a special <em>sentinel</e... |
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Stackoverflow question:
Python 3.8 (Hangman Game Input)<p>From the question I’m about to ask you will realize that I’m just a beginner. Anyways, so I’m assigning a input function to a va... | <p>Try using this: <code>if " " in word or "-" in word:</code>. The reason you got the outcome you did is because a non-empty string is "truthy," in other words, it is considered true. If you have true on one side of an or and false on the other, the or will still output true.</p> |
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Stackoverflow question:
How to find subgraphs of strongly connected components using networkx<p>as <code>nx.strongly_connected_component_subgraphs()</code> is now removed in version 2.4,... | <p>Using <a href="https://networkx.github.io/documentation/stable/reference/algorithms/generated/networkx.algorithms.components.strongly_connected_components.html#networkx.algorithms.components.strongly_connected_components" rel="nofollow noreferrer"><code>nx.strongly_connected_components</code></a> as in your shared a... |
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Stackoverflow question:
Need help to understand why the for loop only loops once<p>The code I use below is a function that allows me to get data from an API:</p>
<pre><code>def get_evt(... | <p>Try returning out of the for loop, therefore after you have looped through all the values: ie</p>
<pre><code>for value in values:
timestamp = int(value['time']/bucket_size)
valeur = value['value']
return timestamp, valeur
</code></pre> |
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Stackoverflow question:
Force streamlit to run in specific python version (or under specific environment)<p>I have a streamlit app that is set to run by doubleclicking a *.bat file that ... | <p>Although Streamlit is a Python library (and used to be a stand-alone company), <code>streamlit run myApp.py</code> in that context is a reference to an executable <code>streamlit</code>. In cases where there are multiple, you can specify the exact one you want to use:</p>
<p><code>/path/to/conda/env/streamlit run my... |
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Stackoverflow question:
Python: call pandas_datareader with isin or wkn or translate this into ticker symbol?<p>I have a real big list of stocks with ISIN and WKN-Number. My aim is to us... | <p>At least for the <strong>ISIN</strong> you can use <a href="https://investpy.readthedocs.io/" rel="nofollow noreferrer"><code>investpy</code></a> <code>stocks.search_stocks</code> function, which returns a <em>pandas.DataFrame</em> containing (among others information) the <em>symbol</em> for that ISIN code.</p>
<pr... |
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Stackoverflow question:
ctypes binding call throws segmentation fault<p>I'm trying to create simple bindings to the <a href="https://github.com/mity/md4c" rel="nofollow noreferrer">MD4C<... | <p>The following changes to the python code in this question prevent various segfaults and exceptions.</p>
<pre><code>--- md_parse.py 2020-01-22 22:47:31.802934477 -0500
+++ md_parse.py 2020-01-22 23:56:50.874006725 -0500
@@ -7,7 +7,9 @@
print(args, kwargs)
-def block_cb(code, detail, udata):
+ retur... |
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Stackoverflow question:
What is the correct format for my datetime object in python?<p>I'm trying to turn a string into a datetime object, however, I don't know what format I should use.... | <p>To turn a string into a datetime object you need to do this:</p>
<pre class="lang-py prettyprint-override"><code>import datetime
origin = '2022-02-19 16:58:39.937000'
time_converted= datetime.datetime.strptime(origin, "%Y-%m-%d %H:%M:%S.%f")
print(type(time_converted))
<class 'datetime.datetime'>... |
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Stackoverflow question:
Dynamic interaction between Rectangle Selector and a matplotlib figure<p>I am working on a an interactive program which displays an image and lets the user select... | <p>Hope your problem was solved by now, but if not:</p>
<p>The root cause of your problem with goal (1) is that the figure never explicitly gets updated after the initial show().</p>
<p>So one solution to this problem would be to add the following line to the end of the line_select_callback function in functions.py:<... |
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Stackoverflow question:
Best solution for client - server architecture<p>I have an application and there are two logical parts for it.</p>
<ol>
<li>Core algorithm proprietary logic writt... | <p>The most obvious solution I can think of would be to host the Python algorithm on a *aaS solution, and have that expose your algorithm via an API.</p>
<p>In terms of *aaS providers for Python, there are heaps of options, e.g. <a href="https://azure.microsoft.com/en-us/services/functions/#overview" rel="nofollow nore... |
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Stackoverflow question:
How to use a dataframe in a PUT call in requests / aiohttp<p>I'm trying to interact with an application through its API. According to the documentation I should b... | <p>I do not know what you have tried in terms of your code. But here is an example of uploading a file using aiohttp.</p>
<p>example:</p>
<pre class="lang-py prettyprint-override"><code>session = aiohttp.ClientSession()
url = '<api-url>'
files = {'file': open('report.xls', 'rb')}
await session.put(url, data=fi... |
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Stackoverflow question:
How to select first item's sub-value from a nested dictionary?<p>I have a python dictionary which is described below:</p>
<pre><code>dict={
"Moli"... | <p>you can try this code and if it not meet your expectation please ping me your exact query....</p>
<pre><code>trading_portfolio={
"Moli": {"Buy": 75, "Sell": 53, "Quantity": 300},
"Anna": {"Buy": 55, "Sell": 83, "Quantity": 154},
&q... |
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Stackoverflow question:
Replacing NaN values in a column from a second column<p>I would like to replace <code>NaN</code> values in <code>Target</code> with the corresponding <code>Node</... | <p>Yes, <a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.fillna.html" rel="nofollow noreferrer"><strong><code>df.fillna(value, ...)</code></strong></a> will allow the <strong><code>value</code> (replacement) arg to be a Series (column)</strong>, not just a constant:</p>
<pre><code>df... |
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Stackoverflow question:
Python timezone determination and manipulation with tzwhere produce objects rather than datetime64s in some situations<p>I have millions of rows containing a UTC ... | <p>Here's some suggestions; given the example DataFrame</p>
<pre><code> TimeUTC Latitude Longitude
0 2021-10-11 12:16:00+00:00 42.289723 -71.031715
1 2021-10-11 12:16:00+00:00 0.000000 0.000000
</code></pre>
<p>make sure to parse datetime column to datetime data type:</p>
<pre><code>df['Ti... |
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Stackoverflow question:
Unable to click on WebApp Element with Selenium due to dynamic iframe<p>I have the following external HTML for the blue "Stampa fiscale" button I am try... | <p>Switch to the iframe and then click the element.</p>
<pre><code>iframe = driver.find_element_by_xpath("//iframe[contains(@id, 'MyVersamenti_')]")
driver.switch_to.frame(iframe)
driver.find_element_by_css_selector("a[title='Stampa fiscale modelli F24']").click()
</code></pre> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Find corresponding rows with frequent itemsets<p>My dataset is an adjacency matrix comparable with customer buying information. An example toy dataset:</p>
<pre><... | <p>It doesn't appear that there's a direct way to do this via <code>apriori</code>. However, one way would be as follows:</p>
<pre><code>from mlxtend.frequent_patterns import apriori
frequent_itemsets = apriori(df, min_support=0.1, use_colnames=True)
# lists of columns where value is 1 per row
cols = df.dot(df.columns... |
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Stackoverflow question:
How to map the values in first dataframe based on second dataframe?<p>I have two dataframes. The df1 is the main df and df2 is reference dataframe.
The df1 look ... | <p>Possible solution is reshape by <a href="http://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.melt.html" rel="nofollow noreferrer"><code>DataFrame.melt</code></a>, add new columns by <a href="http://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.merge.html" rel="nofollow no... |
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Stackoverflow question:
Dice outcome evaluation based on bias<p>I am trying to determine throw of dices on a bias condition, during implementing its code, i am facing this error (code an... | <p>Really?</p>
<pre><code> return random.choice(np.arange(N),p=bias)
</code></pre>
<p><strong>Edit</strong><br />
I misunderstood the requirement. You want this to return the results of N rolls.</p>
<pre><code>def roll(N,bias):
return (random.choice(range(len(bias)),p=bias)+1 for _ in range(N))
</code></pre> |
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Stackoverflow question:
How to read a .json file in pandas to export it as a readable .csv file<p>I have created a .json file by appending a number of json strings using a get request. M... | <p>Answer by @dsillman2000 <code>for entry in data: trades_data = entry['trades'] ... etc</code></p> |
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Stackoverflow question:
Create a loop to open subfolders within a folder read the json files and output as csv<p>I am trying to create a loop in python which will allow me to open a fold... | <p>Lets try <code>pathlib</code> and <code>defaultdict</code> from the standard lib</p>
<p>we can build a dictionary of subfolders as keys, and all the files as values within a list.</p>
<pre><code>from pathlib import Path
from collections import defaultdict
your_path = 'target_directory'
file_dict = defaultdict(list... |
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Stackoverflow question:
Assert Text Error, AssertionError: No text to speak<p>I'm working on a project that uses voice assistant to query information stored in my sql database but I keep... | <pre><code>if guess_is_correct:
txt=query_engine(guess["transcription"])
print(txt)
speak(txt)
</code></pre>
<p>"speak" expects "txt" to be a string and not none.
Check what does <code>query_engine(guess["transcription"])</code> returns.</p>
<p>If <code>print(guess[&... |
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Stackoverflow question:
How to take every possible n-size square from PNG file with PIL?<p>I want to load image, crop every possible square of given size(taken from user) from png file a... | <p>You are passing an empty list to <code>mean()</code> - get the list and check its length before passing to <code>mean()</code> and break out of your loop if it is empty.</p> |
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Stackoverflow question:
How do I create a Django / Ajax redirect POST request on click?<p>I have a search function in my django app using ajax. It displays all results from a model.</p>
... | <p>You are wrapping the entire form in the <code>href</code>, you probably just want <code>See all results</code> to be the link?</p>
<pre><code>resultsBox.innerHTML += `
<form method="POST" class="post-form" input type="submit"
{% csrf_token %}
<... |
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Stackoverflow question:
Python: Compound Try/Except Blocks<p>I am working on a random word picker (used in the command line). The word picker itself works perfectly (I have a text file t... | <p>You can <code>raise</code> an exception inside a <code>try</code> block to immediately jump to a matching <code>except</code>, e.g.:</p>
<pre><code>def add_word():
while True:
word_to_add = input("Word to add: ")
try:
if any(char.isdigit() for char in word_to_add):
... |
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Stackoverflow question:
How to pass argument in multiprocessing function and how to use multiprocessing list?<p>I am trying to use the multiprocessing in python. I've created a function ... | <p>For your first problem, you need to pass <code>(m,)</code> at the argument (note the trailing comma). That is the syntax required to create a single-element tuple in Python. When you just surround a single item with parenthesis, no tuple is created.</p>
<p>For your second problem, you need to just append items to t... |
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Stackoverflow question:
How to plot 2x2 confusion matrix with predictions in rows an real values in columns?<p>I know that we can plot a confusion matrix with sklearn using the following... | <p>(1) Here is one way of reversing TP/TN.</p>
<h4>Code</h4>
<pre><code>"""
Reverse True and Prediction labels
References:
https://github.com/scikit-learn/scikit-learn/blob/0d378913b/sklearn/metrics/_plot/confusion_matrix.py
https://scikit-learn.org/stable/modules/generated/sklearn.metrics.Confu... |
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Stackoverflow question:
Script becomes unresponsive during work, but continues to work after that and ends correctly<p>I'm implementing chess on Python (not the best choice however) usin... | <p>When a pygame program fails to call <code>pygame.event.get()</code> or <code>pygame.event.pump()</code> for a long time, the operating system thinks that the program is crashed.</p>
<blockquote>
<p>There are important things that must be dealt with internally in the event queue. The main window may need to be repain... |
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Stackoverflow question:
AttributeError: 'TfidfVectorizer' object has no attribute 'tranform'<p>I keep on getting this error for this code,</p>
<p>x_predict = ['facebook.com', 'google.com... | <p>This is spelling error:</p>
<p>Use <code>transform</code> instead of <code>tranform</code></p>
<pre><code>x_predict = vectorizer.transform(x_predict)
</code></pre> |
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Stackoverflow question:
502 error deploying flask application to elastic beanstalk using CLI<p>Running into an issue with deploying a very straight-forward Hello, World type flask applic... | <p>Your application should be called <code>application</code> not <code>app</code>.</p>
<p>Below is the corrected <code>application.py</code> file. I <strong>verified</strong> that it works using <code>Python 3.7 running on 64bit Amazon Linux 2/3.1.0</code> platform:</p>
<pre><code>from flask import Flask
application ... |
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Stackoverflow question:
How to modify scatter-plot figure legend to show different formats for the same types of handles?<p>I am trying to modify the legend of a figure that contains two... | <p>This is a dirty trick and not an elegant solution, but you can set the sizes of other points for Z-X legend to 0. Just change your last two lines to the following.</p>
<pre><code>leg = fig.legend(mode='expand', ncol=2, loc='lower center', handler_map=handler_map, scatterpoints=5)
# The third dot of the second legen... |
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Stackoverflow question:
Get ID from workItem on Azure devops using python<p>I want to get the ID of specific workItems from multiple projects in Azure DevOPS.</p>
<p>I try the below code... | <p>Regarding the issue, please refer to the following code</p>
<p>1.package</p>
<pre><code>azure-devops==6.0.0b4
</code></pre>
<ol start="2">
<li><p>Create full access personal access token</p>
</li>
<li><p>code</p>
</li>
</ol>
<pre><code>pat = '<token>'
organization = 'https://dev.azure.com/jim0375'
credential... |
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Stackoverflow question:
Issue with configuration of cv2.VideoWriter and GStreamer<p>I am having trouble setting up a GStreamer pipeline to forward a video stream over UDP via OpenCV. I h... | <p>you were very close to the solution. The problem lies in the warning you yourself noticed <code>warning: Invalid component</code>. The problem is that rtp jpeg payloader gets stuck due to not supporting video format it is getting. Check <a href="http://gstreamer-devel.966125.n4.nabble.com/ximagesrc-to-jpegenc-td4669... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Translation C99 code to Z3, subtle details<p>I am encountering some subtle details that I don't understand quite well. I am developing a tool to remove dead code,... | <p>The problem here is that <code>Bool</code> takes a name and makes a symbolic value out of it. You need to use <code>BoolVal</code> instead. In these cases the <code>sexpr</code> method is your friend for debugging purposes:</p>
<pre class="lang-py prettyprint-override"><code>>>> from z3 import *
>>>... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Remove An Unique Item From Shopping-Cart In Django<p>I am trying to delete an item from the <code>cart</code> and I have some issues to do it. Here is the functio... | <p>I've found the answer. I made <code>cart</code> and <code>quantity</code> correlate each other. So, if you have three items in the cart you can delete/decrement until it reach 0 in the cart and if so, the cart will redirect to the destinations url.</p>
<pre><code>def adjust_cart(request, id):
"""
Adjust the... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How to make query parameter list (multiple values) required at least one value in fastapi python framework<p>I'am using fastapi framework and i want to send multi... | <p>Simple, do not use <code>None</code> and <code>Optional</code>.</p>
<pre class="lang-py prettyprint-override"><code>lst_name: List[str] = Query(...)
</code></pre>
<p>With <strong>Ellipsis</strong>: "<code>...</code>", you can make a parameter required.</p> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Extracting useful info from pandas column containing dict<pre><code>Category Data Age
A1 30 {'Age1_Set': 25.6, 'WIndex': 343.3, 'Age2_Set': ... | <p>You can try:</p>
<pre><code>df = pd.DataFrame({"Category": ["A1", "A2", "A3"],
"Data": [30, 20, 20],
"Age": [{'Age1_Set': 25.6, 'WIndex': 343.3, 'Age2_Set': 22.6}, {'Age1_Set': 35.2, 'WIndex': 343.3, 'Age2_Set': 42.1}, ... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
If then do: comparison two column in Python to create new column<p>I want to create new column and assign value using the logic below:</p>
<p>if IN>OUT then gi... | <p>Since you only have two conditions, just use <code>np.where</code>:</p>
<pre><code>df['check'] = np.where(df['In'] >= df['Out'], df['In'].shift(), 0)
</code></pre>
<hr />
<pre><code>>>> df
id In Out check
0 1 111 24 NaN
1 2 100 52 111.0
2 3 31 34 0.0
3 4 1100 95 3... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How to connect Python Selenium with Electron JS App<p>I'm building a simple automation app that will use Electron JS for good GUI and then Python Selenium to auto... | <p>As per my views. You should go with Node.js as said by pguardio that Selenium is available for node too.</p> |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Scraping from specific website has stopped working<p>So a couple of weeks ago I wrote this program which sucessfuly scraped some info on some online store, but no... | <p>Solution is bit multistep.</p>
<ol>
<li>Try calling the page you want to scrape in Firefox once</li>
<li>Use browser_cookie3 lib to extract cookies</li>
<li>ensure they are not expired</li>
<li>Use the cookies in requests.get(url, cookies=browser_cookie3.firefox())</li>
<li>Use the headers as below</li>
</ol>
<p>Hop... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
Numpy not producing desired sample variance value<p>I have a list for which I like to calculate <strong>sample variance</strong>. When I use <code>numpy.var</code... | <p>The denominator in the case of <code>np.var(my_ls)</code> by default is the total sample size (N).</p>
<p>You can use the <a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.var.html" rel="nofollow noreferrer"><strong>Delta Degrees of Freedom (ddof)</strong></a> parameter in <code>numpy</code> to sh... |
Please answer the following Stackoverflow question on Python. Answer it like you are a developer answering Stackoverflow questions.
Stackoverflow question:
How to call an if statement during a while loop in python<p>So as a python project I am making a game. So in this game, you enter a coordinate, and the computer s... | <p>You just need to fix the indentation</p>
<pre><code>r = 0
while r<15:
hit = str(input("""A1 A2 A3 A4 A5\n\nB1 B2 B3 B4 B5\n\nC1 C2 C3 C4
C5\n\nD1 D2 D3 D4 D5\n\nE1 E2 E3 E4 E5\nThis is the board. Pick any co-
ordinate you want to f... |
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