Recent questions tagged Python

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python - ttk.Treeview - Can't change row height

I'm using ttkcalendar.py which can be found in this link. I've adapted it for use in Python 3.3 ... change the relief of the Treeview? 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 - subprocess.Popen using relative paths

The docs for Popen mention that you can't specify your executable path relative to the 'change working directory' ... a comment by glglgl here) 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 param to DB .execute for WHERE IN... INT list

With Python's DB API spec you can pass an argument of parameters to the execute() method. Part of my ... tuple to work with clause properly? 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 - ImportError: No module named pysqlite2

Why does from pysqlite2 import dbapi2 as sqlite cause ImportError: No module named pysqlite2 Isn't pysqlite2 already installed in Python 2.6.5? 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 - What is this "and" statement actually doing in the return?

I am trying to get a better understanding of the following python code and why the author has used the "AND" ... not simply returning the bool. 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 - Most efficient way to assign a value of zero to multiple variables at once

I'm trying to initiate the variables at zero, so it currently looks like this x1,y1,x2,y2=(0,0,0,0) ... redundant. Is there a cleaner way? 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 - Adding common parameters to groups with Click

I am trying to use the Python library Click, but struggle to get an example working. I defined two groups, ... doesn't seem to be recognised. 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 - Pandas adding Time column to Date index

I have a dataframe, Date index type is Timestamp, Time column is datetime.Time: Time Value Date 2004-05-01 0:15 ... = new_ind del frame['Time'] See Question&Answers more detail:os...

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

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571 views

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python - Pip Requirements.txt --global-option causing installation errors with other packages. "option not recognized"

I'm having difficulties with the --global-option and --install-option settings for a requirements.txt ... /docs/reference/pip_install.rst#id28 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: way to transpose axes

Suppose I have a plotting function that takes an axes argument (or returns one). Is there some low-level ... allows this kind of transformation. See Question&Answers more detail:os...

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

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918 views

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python 3.x - Error when using pandas read_excel(header=[0,1])

I'm trying to use pandas read_excel to work with a file. The file has two columns of headers so I'm ... sheet with multiple header using Pandas See Question&Answers more detail:os...

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

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583 views

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python 3.x - Airflow Logs BrokenPipeException

I'm using a clustered Airflow environment where I have four AWS ec2-instances for the servers. ec2-instances ... .org/jira/browse/AIRFLOW-2844 See Question&Answers more detail:os...

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

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746 views

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python - How to run an aiohttp server in a thread?

This example of aiohttp server in a thread fails with an RuntimeError: There is no current event loop in thread ... a aiohttp server in thread? See Question&Answers more detail:os...

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

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523 views

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python - Difference between Process.run() and Process.start()

I am struggling to understand the difference between run() and start(). According to the documentation, run ... get_process_id in this example)? See Question&Answers more detail:os...

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

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818 views

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python regex: duplicate names in named groups

Is there a way to use same name in regex named group in python? e.g.(?P<n>foo)|(?P<n>bar). Use case: I ... name 'id' as group 6; was group 3 See Question&Answers more detail:os...

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

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963 views

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python - ValueError: Invalid RGBA argument: 'rgbkymc'

train_class = train_df['Class'].value_counts().sortlevel() my_colors = 'rgbkymc' #red, green, blue, black, etc. ... KeyError: ('rgbkymc', None) See Question&Answers more detail:os...

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

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384 views

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python - Pip regular expression search

I need to find all packages on PyPI that match a particular regular expression: ^django-.*?admin.*$ Basically, ... search admin would help too. See Question&Answers more detail:os...

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

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1.0k views

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python - Is " finished with status: 'crash' " normal for Cloud Functions?

I tried Google Cloud Functions with Python and there was a problem with running it. It said: Error: could not handle ... as an error in the log? See Question&Answers more detail:os...

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

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639 views

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python - ImportError: cannot import name TwilioRestClient

I ran the Example code of send text using Twilio,the code from:https://www.twilio.com/docs/libraries/python ... Twilio number print(message.sid) See Question&Answers more detail:os...

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

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594 views

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python - First common element from two lists

x = [8,2,3,4,5] y = [6,3,7,2,1] How to find out the first common element in two lists (in this ... first element in x that also occurs 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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556 views

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python - How to compute weighted sum of all elements in a row in pandas?

I have a pandas data frame with multiple columns. I want to create a new column weighted_sum from the values ... dataframe full of Nan values. See Question&Answers more detail:os...

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

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507 views

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python - How is hash(None) calculated?

On my machine, hash(None) returns a value: >>> hash(None) -2138947203 Just out of curiosity, how is ... if I restart the Python interpreter. 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 - Binary wheel can't be uploaded on pypi using twine

I am trying to upload a package on Pypi for linux and windows from github actions with linux I get this ... distributions for linux and windows? 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 - Referer missing in HTTP header of Selenium request

I'm writing some tests with Selenium and noticed, that Referer is missing from the headers. I wrote the ... with Firefox as described above? See Question&Answers more detail:os...

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

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907 views

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python - python3 dataclass with **kwargs(asterisk)

Currently I used DTO(Data Transfer Object) like this. class Test1: def __init__(self, user_id: int = None, body: ... class init. Any idea here? 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

1 answer

python - How to use numpy arrays with fractions?

I'm trying to implement the simplex method in Python so I need to use the Gaussian elimination on arrays. ... numpy always switches to floats See Question&Answers more detail:os...

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

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567 views

1 answer

python - How to plot non-square Seaborn jointplot or JointGrid

I am trying to plot my non-symmetric data using Seaborn's JointGrid. I can get it to use an equal aspect ... # equal aspect ratio 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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909 views

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python 3.x - No matching distribution found for multiple packages

Suddenly I get a lot of errors while trying to use my previously working (for many months) requirements file. I ... ://pypi.org/simple/post/ See Question&Answers more detail:os...

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

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