Trending questions in Python

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hello guys i need help to make this code run plz !

H= float (input("Is this circuit charging& ...READ MORE

Nov 25, 2020 in Python by anonymous
 • 120 points • 611 views
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1 answer

How can I do not equal in Django queryset filtering?

Hello @kartik, You can use Q objects for this. They ...READ MORE

Nov 17, 2020 in Python by Niroj
 • 82,840 points • 906 views
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1 answer

Error:Reverse accessor for 'Analysis.assign_user' clashes with reverse accessor for 'Inquiry.assign_user'.

Hello @kartik, The related_name would ensure that the fields were ...READ MORE

Jun 30, 2020 in Python by Niroj
 • 82,840 points • 6,948 views
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1 answer

ModuleNotFoundError: No module named 'pyttsx3' || "Running setup.py install for comtypes ... error" error when installing pyttsx3

Hello, @There It depends on which version of ...READ MORE

Oct 7, 2020 in Python by Gitika
 • 65,770 points • 2,659 views
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1 answer

How to get the current time in Python?

Use: >>> import datetime >>> datetime.datetime.now() datetime.datetime(2009, 1, 6, 15, ...READ MORE

Nov 20, 2020 in Python by Gitika
 • 65,770 points • 733 views
0 votes
1 answer

How to overcome “datetime.datetime not JSON serializable”?

Hii @kartik, The simple solution to over come ...READ MORE

Jun 5, 2020 in Python by Niroj
 • 82,840 points • 7,988 views
0 votes
1 answer

How to Filter for empty or NULL names in a queryset?

Hello @kartik, You could do this: Name.objects.exclude(alias__isnull=True) If you need ...READ MORE

Aug 6, 2020 in Python by Niroj
 • 82,840 points • 5,262 views
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1 answer

Can't import scikit -learn on python3.

Hi@akhtar, First, remove the Sklearn form your Windows system ...READ MORE

Jun 23, 2020 in Python by MD
 • 95,460 points • 7,174 views
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1 answer

urllib.error.URLError: <urlopen error [Errno -2] Name or service not known>

Hi@akhtar, You need to use the read function in ...READ MORE

Jul 15, 2020 in Python by MD
 • 95,460 points • 6,195 views
0 votes
1 answer

How are Python metaclasses different from regular class inheritance?

Python 3 class MyClass(object): = New-style class class MyClass: = New-style ...READ MORE

Nov 20, 2020 in Python by Gitika
 • 65,770 points • 651 views
0 votes
1 answer

ImportError: No module named mpmath. But mpmath has been installed.

You should use conda to install Python ...READ MORE

Nov 4, 2020 in Python by Gitika
 • 65,770 points • 1,369 views
0 votes
1 answer

How do I get the number of elements in a list?

Hello, The len() function can be used with several different ...READ MORE

Nov 18, 2020 in Python by Niroj
 • 82,840 points • 726 views
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1 answer

How to read a HDF file with Pandas?

Hi@akhtar, You can read an HDF file using ...READ MORE

Oct 18, 2020 in Python by MD
 • 95,460 points • 2,090 views
0 votes
2 answers

Data of XYZ company is stored in sorted list. Write a program for searching specific data from that list.

https://www.youtube.com/watch?v=mqaf7vj1AdA This link has the program. It uses ...READ MORE

Dec 3, 2019 in Python by Raveendiran
 • 980 points • 5,109 views
0 votes
1 answer

AssertionError: <class 'numpy.ndarray'>

Hi, @There, The traceback module and sys.exc_info are ...READ MORE

Oct 19, 2020 in Python by anonymous
 • 65,770 points • 1,990 views
0 votes
1 answer

How can I create a nested directory?

Hello, Using try except and the right error ...READ MORE

Nov 18, 2020 in Python by Niroj
 • 82,840 points • 672 views
0 votes
1 answer

Why not inherit from List<T>?

There are some good answers here. I ...READ MORE

Nov 20, 2020 in Python by Gitika
 • 65,770 points • 596 views
0 votes
1 answer

Error: Can't import matplotlib library.

Install the older version of python, I also ...READ MORE

Nov 6, 2020 in Python by Gitika
 • 65,770 points • 1,187 views
0 votes
1 answer

How to call an external command?

Look at the subprocess module in the standard library: import ...READ MORE

Nov 19, 2020 in Python by Gitika
 • 65,770 points • 655 views
0 votes
1 answer

How to run code when a class is subclassed?

Classes (by default) are instances of the ...READ MORE

Nov 20, 2020 in Python by Gitika
 • 65,770 points • 584 views
0 votes
1 answer

how to send post request to a webpage using cookies and headers in python to scrape the webpage ?

Hey @Avinash, Regarding your query, I would suggest ...READ MORE

Sep 29, 2020 in Python by Roshni
 • 10,480 points • 2,802 views
0 votes
1 answer

How to concatenate items in a list to a single string?

Hello @kartik, Use join: >>> sentence = ['this','is','a','sentence'] >>> '-'.join(sentence) 'this-is-a-sentence' Hope it ...READ MORE

Nov 17, 2020 in Python by Niroj
 • 82,840 points • 671 views
0 votes
1 answer

How to call an external command?

Hello @kartik, Look at the subprocess module in the standard ...READ MORE

Nov 18, 2020 in Python by Niroj
 • 82,840 points • 617 views
0 votes
1 answer

Why do we not follow the "off by one" rule in python

It's because of the way in which ...READ MORE

Nov 15, 2020 in Python by Gitika
 • 65,770 points • 744 views
0 votes
1 answer

Deployed Django project on heroku But I don't know which database is it using. Is there a way to know that So that I can login to admin page?

If you don't configure one you might ...READ MORE

Nov 12, 2020 in Python by anonymous
 • 65,770 points • 874 views
0 votes
1 answer

How do I parse XML in Python?

Hello @kartik, You can use BeautifulSoup: from bs4 import BeautifulSoup x="""<foo> ...READ MORE

Nov 19, 2020 in Python by Niroj
 • 82,840 points • 573 views
0 votes
1 answer

How do I list all files of a directory?

Hii, Try this: import os os.listdir("somedirectory") Thank you!! ...READ MORE

Nov 18, 2020 in Python by Niroj
 • 82,840 points • 584 views
0 votes
1 answer

Error:Pip install: can't open file pip, or Parent module '' not loaded

Hello @kartik, Assuming you have pip installed and ...READ MORE

Jul 3, 2020 in Python by Niroj
 • 82,840 points • 6,585 views
0 votes
2 answers

module 'numpy' has no attribute 'unit8'

Hi@Ganesh, I think you are calling the wrong ...READ MORE

Sep 22, 2020 in Python by MD
 • 95,460 points • 2,991 views
0 votes
0 answers

How to get output result from selecting two dropdown menu options in tkinter?

if i choose a value from first ...READ MORE

Sep 4, 2020 in Python by Charitra
 • 120 points • 3,855 views
0 votes
1 answer

How to check permission inside a template in Django?

Hello @kartik, To check for permissions in templates, ...READ MORE

Aug 7, 2020 in Python by Niroj
 • 82,840 points • 4,988 views
0 votes
1 answer

How to generate a string token using four of this items random?

One approach just generates random integers up ...READ MORE

Nov 16, 2020 in Python by Gitika
 • 65,770 points • 649 views
+1 vote
1 answer

How to install django in anaconda prompt?

Here are the steps that you can ...READ MORE

Jun 23, 2020 in Python by Sirajul
 • 59,230 points • 6,876 views
0 votes
1 answer

Tried setting up Django-shop on my system, but when I try to run pipenv install , I get this:404 Snippet not found

Uninstall all python first then install python ...READ MORE

Nov 12, 2020 in Python by Gitika
 • 65,770 points • 780 views
0 votes
1 answer

How to test multiple variables against a value?

Hello @kartik, Your problem is more easily addressed ...READ MORE

Nov 17, 2020 in Python by Niroj
 • 82,840 points • 556 views
0 votes
1 answer

How to print error in web browser if there is error in code?

You can try to catch these errors ...READ MORE

Nov 6, 2020 in Python by Gitika
 • 65,770 points • 1,026 views
0 votes
1 answer

Error: showing database is locked

ah, sqlite3 stuff... remove .session file and ...READ MORE

Nov 15, 2020 in Python by Sheema
 • 626 views
0 votes
1 answer

Sigma code look like this but it’s not working.

Use Markdown to style code: - Use a ...READ MORE

Nov 15, 2020 in Python by Gitika
 • 65,770 points • 621 views
0 votes
1 answer

How to access environment variable values?

Hello @kartik, To check if the key exists ...READ MORE

Nov 18, 2020 in Python by Niroj
 • 82,840 points • 484 views
0 votes
2 answers

How to use in python for loop not equal marks? example: a!=0

Hello @Azizjon, You can go through the example ...READ MORE

Oct 12, 2020 in Python by Gitika
 • 65,770 points • 2,393 views
0 votes
1 answer

ImportError: No module named 'Cython'

Hi@akhtar, You need to install the Cython module ...READ MORE

Jul 13, 2020 in Python by MD
 • 95,460 points • 6,023 views
0 votes
1 answer

How do I pass a variable by reference?

Hello, Just wrap it in a list: def Change(self, ...READ MORE

Nov 18, 2020 in Python by Niroj
 • 82,840 points • 478 views
0 votes
1 answer

How to install PyTorch?

Here are the steps you can follow:  Install Python. ...READ MORE

Oct 29, 2020 in Python by Gitika
 • 65,770 points • 1,372 views
0 votes
1 answer

how to fetch user details and send it to his email address using django rest framework

Hello @mahesh, First you have to fetch user ...READ MORE

Aug 18, 2020 in Python by Niroj
 • 82,840 points • 4,427 views
0 votes
1 answer

How to connect my app to mongo?

Most users try to use NoSQL-like DBs ...READ MORE

Nov 12, 2020 in Python by Gitika
 • 65,770 points • 699 views
0 votes
0 answers

Which python projects are good for beginner If I already know the basics very well?

Which python projects are good for beginner ...READ MORE

Nov 19, 2020 in Python by samar
 • 120 points • 420 views
0 votes
1 answer

The below code prints none at the end.

the code after return does not execute. ...READ MORE

Nov 15, 2020 in Python by Gitika
 • 65,770 points • 541 views
0 votes
1 answer

How can I test if a string can be converted to another type dynamically?

You can use isinstance() function to check ...READ MORE

Nov 15, 2020 in Python by Gitika
 • 65,770 points • 535 views
+1 vote
1 answer

'numpy.ndarray' object has no attribute 'append'

Hi@Noman, You created two empty list. And in ...READ MORE

May 17, 2020 in Python by MD
 • 95,460 points • 8,370 views
0 votes
1 answer

Unable to access UserProfile model fields in templates in Django.

Use {{ request.user.get_profile.whatever }}. Django's templating language ...READ MORE

Nov 13, 2020 in Python by Gitika
 • 65,770 points • 643 views
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