Recent questions tagged Python

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python - When I try to run speech recognition in pyqt5 program is crashed

When I try to run speech recognition in pyqt5 program is crashed. Sr's code is at the another script ... sr.UnknownValueError: print("Oops") 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 - Example code from typing library causes TypeError: 'type' object is not subscriptable, why?

Considering to Python Docs for typing why code below isn't working? >>> Vector = list[float] Traceback ( ... find question about 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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python - Cannot unpickle Exception subclass

Simplified version of Why is my custom exception unpickle failing. I am trying to pickle a 'simple' exception ... subclass of object works OK. 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 - Convert float to rounded decimal equivalent

When you convert a float to Decimal, the Decimal will contain as accurate a representation of the binary number ... Decimal from a float? 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 - Add tkinter's intvar to an integer

I'm having some trouble adding a value taken from an Entry box and adding it to an existing number. In ... ): self.speed += delta_speed 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 - NumPy equivalent of merge

I'm transitioning some stuff from R to Python and am curious about merging efficiently. I've found some stuff on ... NumPy that I am missing? 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 - ISO 8859-1 filename not decoding

I'm extracting files from MIME messages in a python milter and am running across issues with files named as ... Ideas are appreciated as always. 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 give 2 characters for "delimiter" using csv module?

I'm trying to generate the csv with delimiter '@|@' but, I couldn't achieve through below code. import csv ... string How can I achieve 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 - Can't find SpaCy model when packaging with PyInstaller

I am using PyInstaller package a python script into an .exe. This script is using spacy to load up the ... 3 with en_core_web_sm v3.0.0 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 - django.db.utils.OperationalError: (2026, 'SSL connection error: SSL_CTX_set_tmp_dh failed')

I'm new to python and django. When I run python manage.py runserver I get this error: django.db.utils. ... find this error on the web. 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 getattr built-in method executes default arguments

I dont know if this is something an expected behavior of getattr built_in method. getattr executes the default(3rd) ... and then do the needful. See Question&Answers more detail:os...

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

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246 views

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python - Select specific columns in NumPy array using colon notation

I have a 40000 by 60 Numpy array, and I want to sth like this: mat[:,[0:13,19:23,23:31,39:59]] ... a smarter way to do this than concatenation? 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 balance dataset using fit_generator() in Keras?

I am trying to use keras to fit a CNN model to classify 2 classes of data . I have imbalanced dataset I ... shuffle=True, callbacks=[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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148 views

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python - Why does list(my_list) modify the object?

I happened on this peculiar behaviour accidentally: >>> a = [] >>> a[:] = ['potato', a] >> ... recursion in the string representation of itself? See Question&Answers more detail:os...

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

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247 views

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python - Merge SQLite files into one db file, and 'begin/commit' question

This post refers to this page for merging SQLite databases. The sequence is as follows. Let's say I want to ... command in terms of speedup? See Question&Answers more detail:os...

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

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493 views

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python - Clean text images with OpenCV for OCR reading

I received some images that need to be treated in order to OCR some information out of them. Here are the ... how to clean up the background? See Question&Answers more detail:os...

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

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146 views

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python - How do I print this list vertically?

Let's say I have this list of asterisks, and I say it to print this way: list = ['* *', '*', '* * ... for this, but haven't got it quite right. See Question&Answers more detail:os...

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

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452 views

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python - Webscraping Instagram follower count BeautifulSoup

I'm just starting to learn how to web scrape using BeautifulSoup and want to write a simple program that will ... media platforms. Any tips? See Question&Answers more detail:os...

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

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202 views

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python - How to force an ImportError on development machine? (pwd module)

I'm trying to use a third-party lib (docutils) on Google App Engine and have a problem with this code (in ... import is not in my own code? See Question&Answers more detail:os...

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

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207 views

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python - Pygame attribute, init()

I'm trying to use Pygame with Python 3.3 on my windows 8 laptop. Pygame installed fine and when I import ... does it not support windows 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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432 views

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python - How to replicate PyTorch's nn.functional.unfold function in Tensorflow?

I want to use tensorflow to rewrite the pytorch's torch.nn.functional.unfold function: #input x:[16, 1, 50, ... unfold function to change the X? See Question&Answers more detail:os...

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

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207 views

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python - Texture coordinates near 1 behave oddly

I'm using (Py)OpenGL to display 256 colors indexed images. I use a shader together with a 1D ... glutIdleFunc(glutPostRedisplay) glutMainLoop() See Question&Answers more detail:os...

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

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490 views

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python - RemoteDisconnected("Remote end closed connection without" http.client.RemoteDisconnected: Remote end closed connection without response

Since Google denies access to API key of Google MyBusiness to all but established firms, I attempted to ... connection without response',)) See Question&Answers more detail:os...

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

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242 views

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python - Strange error in python3 when doing big int calculation

I was trying to do this in Python 3.5.2: int(204221389795918291262976/10000) but got the unexpected result: ... gave me the wrong result? See Question&Answers more detail:os...

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

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438 views

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python - Interchanging between different scipy ode solvers

I have a made a solver which can interchange between scipy.integrate.ode and scipy.integrate.odeint. Here is the code. ... -- version 0.16.0 See Question&Answers more detail:os...

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

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422 views

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python - __init__() takes 1 positional argument but 2 were given

I've read through other posts regarding this error and I thought I solved the problem, but I'm still ... (4000) JohnSmith.withdraw(3500) See Question&Answers more detail:os...

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

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375 views

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python - Simple, versatile and re-usable entry dialog (sometimes referred to as input dialog) in PyGTK

I am searching for a simple dialog with a text entry widget asking the user for some input. The dialog should be ... the wheel... or a dialog. See Question&Answers more detail:os...

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

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353 views

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python - PIP Cryptography Failing to Install

There are a quite a few answers to this question covering a ton of different scenarios but I've yet to find a ... I feel there is. 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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