Recent questions tagged Python

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python - Pandas datetime with Julian Day

I tried searching for this and was surprised I couldn't find anything. We use the term 'Julian Day' to ... newest version of Pandas. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - PyQt5 QTableWidget: make last column editable

How do you access the last column of a QTableWidget? I want to set it to editable using something like this: ... .setItem(row, column, item) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - How to rotate an image on a canvas without using PIL?

Is there any simple way to rotate an imported image on a tkinter canvas? I'd rather not use the PIL module, but ... take a turn on a crossroad.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Generate PDF of Protected Django Webpage with Attachments

So I'm trying to generate a PDF of a view that I have in a django web application. This view is protected, ... thanks in advance for any help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Matplotlib: ListedColormap not mapping colors

I am having trouble understanding why a custom cmap is not being properly mapped to an image using plt.imshow. ... 4. Why is this happening? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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887 views

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python - PyGame os.environ SDL_VIDEO_WINDOW_POS does not work

I'm trying to set the position of my window in PyGame, but this method doesn't work for me. It says that it's ... = pg.QUIT: pg.quit() exit() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Why does Selenium's wait.until_not(EC.invisibility_of_element_located) wait for too long for a loader to disappear?

Which selenium.webdriver.support.expected_conditions are better to use when waiting for the invisibility of an element ... for any suggestions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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539 views

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python - How to Scroll web page to the target element using selenium

I want to scroll to an element in selenium, but I want it to be at the top of the page, ... actions.move_to_element(target) actions.perform() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Excluding fields in generic CRUD views

I have a model named Domain which looks like this: class Domain(models.Model): """ Model for storing ... current authenticated user. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Alternate OAuth2 sign in for a PyQt5 application

I have a PyQt5 application with a Google sign-in which is implemented using oauth2client. And the sign in page is ... == '__main__': main() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Is it possible to access static files within views.py?

I am able to access the static file in question via direct url (localhost:8000/static/maps/foo.txt), so I ... address. Can it be done somehow? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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652 views

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python - Why does my Game of Life simulation slow down to a crawl within seconds? Matplotlib to blame?

I'm learning OOP in python and so for a bit of fun I bashed out a GameOfLife simulator this morning. When it ... =100,height=100) gol.play() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Error in matplotlib popup window (AttributeError: 'NoneType' object has no attribute 'set_canvas')

I tried to plot the graph in pop up window. It pops up. But there is an error. import tkinter as ... set_canvas' What should be written there? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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912 views

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python - Fail to download file with opened new tab in headless mode on Linux

As this answer by myself: How to download files headless in Selenium (Java) when download happens in new tab? ... to find the solution. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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python - Can't concat bytes to str (Converting to Python3)

I'm trying to convert my Python 2 code to Python3 but I am receiving the following error: Traceback (most ... Any help would be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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569 views

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python - Filling the diagonals of square matrices inside a 3D ndarray with values given by a 2D ndarray

Given a 3D ndarray z with shape (k,n,n), is it possbile without using iteration to fill the diagonals of the k nxn matrices ... (a,b,c,...,k,n) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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812 views

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python - Pyramid Replacing Double Forward-Slash in URL Matchdict

Essentially, I'm just building an API redirection route inside of Pyramid to process cross-domain AJAX requests ... Pyramid's multidicts work? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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897 views

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python 3.x - How to handle lazy-loaded images in selenium?

Before marking as duplicate, please consider that I have already looked through many related stack overflow posts, ... Any help is appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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991 views

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python - ValueError : not enough values to unpack. why?

I am learning file management from a website and I tried executing a certain script but it hasn't worked out ... (cities, f_new) print(cities) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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630 views

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python - Convert dataframe to a rec array (and objects to strings)

I have a pandas dataframe with a mix of datatypes (dtypes) that I wish to convert to a numpy structured array ( ... does, maybe there is not? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

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python - How to allow only admins to execute a command

i am writing following command @bot.command(pass_context=True) async def admins_only_command(ctx, *, args): '''do stuff ... is an admin or not? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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573 views

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python - Access variables between commands with discord.py

I have this (overly simplified) Discord bot voting_enabled = False @bot.command() async def start(): voting_enabled ... False But it did nothing See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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python - AttributeError: 'numpy.ndarray' object has no attribute 'plot'

Why is this matplotlib code giving me a weird exception? I'm going for two rows of plots. The top row is ... ' object has no attribute 'plot' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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679 views

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python - Error when requesting to transfer/send on coinbase api

I am trying to post a transfer to the coinbase api from one crypto account to another, but just cannot seem ... specified, but still BUG!! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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648 views

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python - Do Pickle and Dill have similar levels of risk of containing malicious script?

Dill is obviously a very useful module, and it seems as long as you manage the files carefully it is ... situation also exist for pickle? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.2k views

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python - unicode and encoding for persian or arabic in python3

some chunk of code like this: city_name = obj['city_from']['name'].encode('utf-8') print(city_name) ... any solutions to this problem? thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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502 views

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python - Tkinter - Add scrollbar for each LabelFrame

I'm trying to make a UI using Tkinter and I'm having problems to put three Scrollbars inside LabelFrames. I've ... ("all")) Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

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python - More simplified explanation of chain.from_iterable and chain() of itertools

Can you give a more simplified explanation of these two methods chain() and chain.from_iterable from itertools? ... regarding these. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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