Recent questions tagged Python

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python - Create a 100 % stacked area chart with matplotlib

I was wondering how to create a 100 % stacked area chart in matplotlib. At the matplotlib page I couldn't find ... show me how to achieve that? 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 to run tasks concurrently in asyncio?

I'm trying to learn how to run tasks concurrently using Python's asyncio module. In the following code, I've ... in between during sleep()? 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 - Using SQLAlchemy ORM for a non-primary key, unique, auto-incrementing id

When I run the following code, I am expecting the first_name, and last_name to be a composite primary key and for ... that is not a primary key? 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 run multiple instances of one selenium test at once?

I have done some research and the consensus appears to state that this is impossible without a lot of ... a clean testing environment. 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 - authentication with urllib3

I am trying to connect to a webpage using urllib3. The code is provided below. import urllib3 http=urllib3. ... thing using urllib3. Many 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 - Converting double slash utf-8 encoding

I cannot get this to work! I have a text file from a save game file parser with a bunch of UTF-8 ... Karin's solution does work for that. 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 - scikit-learn error: The least populated class in y has only 1 member

I'm trying to split my dataset into a training and a test set by using the train_test_split function from ... have at least 15 occurrences. 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 - Very slow interpolation using `scipy.interpolate.griddata`

I am experiencing excruciatingly slow performance of scipy.interpolate.griddata when trying to interpolate "almost" regularly ... I do that? 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 - XlsxWriter: lock only specific cells

I'm creating xlsx files with xlsxwriter and want to protect specific cells (for example all cells in a range B2:B20) ... . How can I do 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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python - OpenCV image subtraction vs Numpy subtraction

I was trying to track how much next picture differs from the previous one, assuming some movement in the ... .show_im(np_subtr, 'np_subtr') 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 - Blank line rule at interactive prompt

I was wondering why is there a different rule for blank lines in Python between interactive prompt and when ... python/ipython prompts. 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 - Remove 'command not found' error discord.py

In a discord.py rewrite bot, if someone types the bots prefix and then any text after it, if the text is ... stop the bot from logging 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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python - Bs4 select_one vs find

I was wondering what is the difference between performing bs.find('div') and bs.select_one('div'). Same goes ... the other in specific cases. See Question&Answers more detail:os...

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

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489 views

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python - Efficiently count the number of occurrences of unique subarrays in NumPy?

I have an array of shape (128, 36, 8) and I'd like to find the number of occurrences of the unique ... than the counts of all unique subarrays. See Question&Answers more detail:os...

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

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249 views

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python - Regex for managing escaped characters for items like string literals

I would like to be able to match a string literal with the option of escaped quotations. For instance, I'd ... to tackle 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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717 views

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python - Is there a way to remove nan from a dictionary filled with data?

I have a dictionary that is filled with data from two files I imported, but some of the data comes out as ... dictionary with a value of nan? 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 - pip is not recognized in Anaconda Prompt

I'm using Anaconda on Windows x64. I'm trying to install some library using pip. However, the the command line isn ... there a way to fix 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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python - Tkinter only calls after_idle once

I am new to Tkinter, so I apologize if this is easy, but I have search for a couple of hours and can't ... if __name__ == '__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 - Process pandas dataframe into violinplot

I have data I'm reading from an Excel spreadsheet. The data has a number of observations for each of six scenarios, S1 ... ($/MWh)') 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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python - Why Cant I Click an Element in Selenium?

I am trying to click an element in Selenium. The site is: url = "http://jenner.com/people" The xpath for ... happens. What am I doing wrong? See Question&Answers more detail:os...

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

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435 views

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python - Using Pandas to Find Minimum Values of Grouped Rows

This might be a trivial question but I'm still trying to figure out pandas/numpy. So, suppose I have a ... clearer example or clarify anything! 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 - Passing more kwargs into a function than initially set

Is there a way to send more kwargs into a function than is called for in the function call? Example: def ... for my toolbox. Thanks everyone! See Question&Answers more detail:os...

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

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552 views

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python - Selenium send_keys doesn't work if input type="number"

I'm writing tests using selenium. In those tests I need to enter a number into a field in a form. Here is the ... 2.41.0 Firefox version: 29.0 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 to convert NumPy arrays obtained from cv2.findContours to Shapely polygons?

I am using CV2 to find contours from an image and then converting them into polygons using ... .geos_linearring_from_py() AssertionError: 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 - Creating class instance from dictionary?

I am trying to create class instance from dictionary that has keys more than class has attributes. I already ... all redundant keys from dict? See Question&Answers more detail:os...

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

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289 views

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python 2.7 - Pandas dataframe in pyspark to hive

How to send a pandas dataframe to a hive table? I know if I have a spark dataframe, I can register it to a ... I can send it back to hive. See Question&Answers more detail:os...

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

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348 views

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python - Split a list into chunks determined by a separator

I have this list (python): [[item1],[item2],[item3],[/],[item4],[item5],[item6],[/]...] I ... properly work. 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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738 views

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python - How to use make_transient() to duplicate an SQLAlchemy mapped object?

I know the question how to duplicate or copy a SQLAlchemy mapped object was asked a lot of times. The answer ... .add(obj) _session.commit() See Question&Answers more detail:os...

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

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