Recent questions tagged Python

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python - exec returns a nonetype, when I need the return value

I asked a question earlier, but ran into a second problem. I am writing a program that reads in a text file, ... line argument to operate on [8] 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 - Split array to approximately equal chunks

How split array into two chunks, when sum of every chunk is approximately equal? >>> foo([10, 1, 1, 1]) [[10], [1, 1 ... [14, 1, 16, 4, 15, 5]] 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 - PySide Qt script doesn't launch from Spyder but works from shell

I have a weird bug in my project that uses PySide for its Qt GUI, and in response I'm trying to test ... have any built-in workarounds to this? See Question&Answers more detail:os...

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

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478 views

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python - File Transfer PC to Raspberry Pi (with xBee)

I've two xBee Pro S2C module. I'm trying to send a image from Windows PC to Raspberry Pi with xBee modules. ... Header... Sending File... Done 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 - Passing data between pages in a redirect() function in Google App Engine

I'm trying to build a simple blog using GAE and I've made the following code (I've deleted the parts which are ... in the data to a redirect()? 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 - BeautifulSoup - only returning first table

I've been working with BeautifulSoup lately. I'm trying to get the data from https://www.pro-football-reference. ... way to go about it? 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 animated line plot stays empty

I am trying to follow the basic animation tutorial located here and adapting it to display an already computed dataset ... in a static 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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python - Reverse for 'update_comment' with arguments '('',)' not found. 1 pattern(s) tried: ['comment\/(?P<news_pk>[0-9]+)$']

I'm coding a news site.Now I'm detailing with the comment post function.And meet the issue says: Reverse for ' ... 表评论"></input></form> 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 - round up/down float to 2 decimals

I would like to design a function f(x : float, up : bool) with these input/output: # 2 decimals part ... with epsilons (prone to errors)? 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 - Save app data in kivy on Android

Say I was making a fitness app where you can make your out workout. When you have configured the workout you ... local game saves and data. 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 - How can I skip first several lines of the Excel sheet?

Using openpyxl I tried to read from the fifth line for some files. The files' first four lines are ... when reading using openpyxl correctly? 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 there a cleaner way to use a 2 dimensional array?

I'm trying to make a 2D array class, and ran into a problem. The best way I could figure out to do it ... it that looks a little cleaner? 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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503 views

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python - Look up an attribute from an instance

From Python in a Nutshell Getting an attribute from an instance When you use the syntax x.name to refer ... your override of __getattribute__). See Question&Answers more detail:os...

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

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423 views

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python - Remove duplicates from list of dicts

I presently have the ability to remove duplicates if there is no key in front of the nested dictionary. An ... about doing this? Thank you. See Question&Answers more detail:os...

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

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500 views

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python - How to create a new repository in an organization with PyGithub

How can I create a new repository in an organization with PyGithub on Github? In particular I like to ... repo = user.create_repo(full_name) 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 - Dataframe pyspark to dict

I have this dataframe path_df: path_df.show() +---------------+-------------+----+ | ... extract my data and process them directly with python. See Question&Answers more detail:os...

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

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428 views

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python - Count of related records in many-to-many relationship

I am trying to buit a classmethod, which returns number of members associated with a project. I tried: # ... project_id', 'member_id') 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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396 views

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python - change image based on click in pygame

I've done a google search and searched through my two python beginner books to find how to do this. ... (button2select) games.screen.mainloop() See Question&Answers more detail:os...

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

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469 views

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python - Changing list elements in shallow copy

I have one question about list shallow copy. In both examples, I modified one element of the list, but in example 1, list b ... 1, 2, [0, 5], 4] See Question&Answers more detail:os...

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

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551 views

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python - Syncing Label fontsize with layout in PyQt

What is the concrete way to change the font size of a label to match the layout size its contained in through signal/slots? See Question&Answers more detail:os...

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

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491 views

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python - Column widths (of some columns) in Openpyxl become zero after 60+ columns

Given a wb with 5 worksheets, I am adding a column to each every day using openpyxl, and this has been working well. ... 2.7.10 Openpyxl: 2.2.2 See Question&Answers more detail:os...

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

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387 views

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python - computing the loss across all LSTM timesteps then predicting on partial data

I've written the following model to solve a regression problem: from tensorflow.keras.models ... [tensorboard_callback,checkpoint_callback]) See Question&Answers more detail:os...

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

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549 views

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python - How to uninstall pygame on mac OSX 10.9.4

In fact, I meet the problem that my pygame can not load png image and the method pygame.image.get_extended() returns ... my mac..? Thanks a lot See Question&Answers more detail:os...

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

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395 views

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python - Custom colour maps Matplotlib, make one value a prescribed colour

I have an array in python, using matplotlib, with floats ranging between 0 and 1. I am displaying this array with ... plt.colorbar() plt.show() See Question&Answers more detail:os...

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

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291 views

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python - How to install scikit-image?

Its scikit-image Download says: pip install -U scikit-image or easy_install -U scikit-image but both fail, regardless of ... 18.1'. What to do? See Question&Answers more detail:os...

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

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444 views

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python - For every point in an array, find the closest point to it in a second array and output that index

If I have two arrays: X = np.random.rand(10000,2) Y = np.random.rand(10000,2) How can I, for each point ... each to each column and value in Y See Question&Answers more detail:os...

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

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417 views

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python - Exception handling is ignored with try-except around a function definition

My message "Divide by 0 error" is not going through, instead I'm getting a normal ZeroDivisionError. #!/usr/bin/ ... yes to continue, no stop") See Question&Answers more detail:os...

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

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325 views

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python - How to sum a list of numbers stored as strings

Having a list of numbers stored as strings how do I find their sum? This is what I'm trying right now: numbers = [ ... I can't think of a fix. See Question&Answers more detail:os...

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

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