Recent questions tagged Python

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python - Inverse of numpy.gradient function

I need to create a function which would be the inverse of the np.gradient function. Where the Vx,Vy arrays ( ... set_aspect('equal') 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 - In PyTorch how are layer weights and biases initialized by default?

I was wondering how are layer weights and biases initialized by default? E.g. if I create the linear ... this layer initialized by default? 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 - "unknown column X.id" error in django using existing DB

I am trying to create a model for an existsing DB. Using the output of manage.py inspectdb, My models.py ... it without dropping the tables etc? 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 - Seaborn boxplot: TypeError: unsupported operand type(s) for /: 'str' and 'int'

I try to make vertical seaborn boxplot like this import pandas as pd df = pd.DataFrame({'a' : ['a', 'b' , 'b', ... (s) for /: 'str' and 'int' 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 keep null value in yaml file while dumping though ruamel.yaml

I have YAML file site.yaml: Kvm_BLOCK: ip_address: 10.X.X.X property: null server_type: zone loaded and ... this null value in property block 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 reconnect a socket after a broken pipe?

The program connects to a server, and when the connection is closed by the server, if I try to reconnect it says: ... , port)) loop() connect() 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 install killed - out of memory - how to get around it?

I'm trying to install spaCy, a library for natural language processing. root@vps:~# python3 -m pip install ... collected packages: spacy Killed 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 - Appending to file using savetxt

I'm trying to append array b and c to file.txt. The default behavior is to overwrite and I cant find any ... .3f', newline=", ") 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 - What is the proper way to benchmark part of tensorflow graph?

I want to benchmark some part of graph, here is for simplicity I use conv_block that is just conv3x3. Is it ... 128, n_channels=32, n_iter=100) 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 - PySide2 not closing correctly with basic example

When I run the basic script: import sys from PySide2.QtWidgets import QApplication, QLabel app = QApplication(sys. ... and python3. 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 3.x - Selenium & Heroku: urllib3.exceptions.ProtocolError: ('Connection aborted.', ConnectionResetError(104, 'Connection reset by peer'))

Setup: selenium: 3.141.0 python: 3.6.7 heroku-stack: heroku-18 headless-chrome: v71.0.3578. ... (executable_path=DRIVER_PATH, options=options) 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 - Set Union in pandas

I have two columns which I stored sets in my dataframe. I want to perform set union on the two columns ... a good solution to overcome 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 - How can I bypass kivy module error: ImportError: DLL load failed: The specified module could not be found?

[PROBLEM] How can I bypass kivy module error: ImportError: DLL load failed: The specified module could not be ... module could not be found. 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 - Nan in summary histogram

My program will face this some times(not every run will face this..), then if face this I can always reproduce this ... in <module> tf.app.run() 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 - Compute the pairwise distance in scipy with missing values

I'm a bit stumped by how scipy.spatial.distance.pdist handles missing (nan) values. So just in case I messed ... the above code in a function. 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 - Loop over rows of csv.DictReader more than once

I open a file and read it with csv.DictReader. I iterate over it twice, but the second time nothing is printed ... XXXXX' # XXXXX is not printed 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 - Psycopg2 doesn't like table names that start with a lower case letter

I am running ActiveState's ActivePython 2.6.5.12 and PostgreSQL 9.0 Beta 1 under Windows XP. If I create ... ? Am I missing something obvious? 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 - French and lxml text

I'm trying to assign a valid French text string to a text string using lxml: el = etree.Element(" ... assigning text values within elements. 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 - Set tkinter icon on Mac OS

I am trying to change the icon that appears on my tk application for Mac OS. The last time I checked ... that will work cross-platform? 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 get hours:minutes

I have a script here (not my own) which calculates the length of a movie in my satreceiver. It displays ... minutes... Thanks in advance Peter 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 generate random integers with multiple ranges?

I've run into confusion in generating X amount of random integers from different sets of (a,b). For example, I would ... 27)): x = i print i 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 - Auto-Completion In wxPython wxComboBox

I've been trying to make a ComboBox which would suggest options as you type, much like an IDE's code ... not acceptable, in my oppinion. 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 reading a tab separated file using delimiter

I am using the following to read a tab separated file .There are three columns in the file but the first column ... : ['id', 'event_id_concat'] 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 to_latex() escapes mathmode

pandas to_latex() methode seems to be a convenient way to convert bigger tabulars into into latex code. ... prevent this from 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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python - How to display Image in pygame?

I want to load an image from webcam to display on pygame I am using videocapture from VideoCapture import ... opens but nothing displays? 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 do you use scipy.stats.rv_continuous?

I have been looking for a good tutorial or examples of how to use rv_continuous and I have not been able to ... would cool. 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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python - Configuring App Engine path for PyDev on Mac

I've just installed Eclipse and the Pydev plug-in on my Mac (OS X 10.6.6) and I'm having trouble using ... doing wrong? Help! Yours, Confoosed. 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 - Pygame Error: File is not a windows BMP file

I'm having problem following this tutorial. After I run it, an error message pops up "ball = pygame.image.load ... saving the image file as .bmp See Question&Answers more detail:os...

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

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