Recent questions tagged Python

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python - fetch_mldata: how to manually set up MNIST dataset when source server is down?

I need to run a code that contains these lines: from sklearn.datasets import fetch_mldata mnist = fetch_mldata('MNIST ... I set it up manually? See Question&Answers more detail:os...

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

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620 views

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python - How to accumulate gradients in tensorflow 2.0?

I'm training a model with tensorflow 2.0. The images in my training set are of different resolutions. The Model ... f'Epoch loss: {epoch_loss}') See Question&Answers more detail:os...

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

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504 views

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python - Vertically fill 3d matplotlib plot

I have a 3d plot made using matplotlib. I now want to fill the vertical space between the drawn line and the ... y axis intersection NOT 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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398 views

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python - pyodbc can't connect to database

I'm using pyodbc library from here and I'm connecting this way: conn = pyodbc.connect(r'DRIVER={SQL ... already attached by online_banking DB See Question&Answers more detail:os...

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

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317 views

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python - Django Form validation including the use of session data

The use case I am try to address is a requirement for a user to have downloaded a file before being permitted ... of this event take place? See Question&Answers more detail:os...

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

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320 views

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python - Set setuptools to create cimportable package with headers availible

I try to implement the answer https://stackoverflow.com/a/57480599/7482208, but I am stuck on cimporting one ... code but just copies 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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531 views

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python - How could I set hwm in the push/pull pattern of zmq?

I have found a similar question, ZeroMQ: HWM on PUSH does not work, but it couldn't solve my problem. I ... = TestPull() test_pull.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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690 views

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python - Web scraping results in 403 Forbidden Error

I'm trying to web scrape the earnings for each company off SeekingAlpha using BeautifulSoup. However, it seems like ... be done to bypass 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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485 views

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python - pyfribidi for windows or any other bidi algorithm

I'm trying to generate a report using reportlab, and the report language is Arabic. but the problem is reportlab ... runs on windows? 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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1.1k views

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python - Pillow and JPEG2000: decoder jpeg2k not available

I'm trying to set up Flask-IIIF to work with jp2-files, or JPEG2000. Right out of the box I get an error ... /x86_64-linux-gnu/libz.so /usr/lib See Question&Answers more detail:os...

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

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386 views

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python - Select rows if string begins with certain characters in pandas

I have a csv file as the given picture bellow I'm trying to find any word that will start with letter A and G or any ... ("a","g"), wdata)) ) See Question&Answers more detail:os...

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

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554 views

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python - django serialize foreign key objects

Serialize django model with foreign key models Serializing Foreign Key objects in Django get foreign key objects in a ... =100, null=False) See Question&Answers more detail:os...

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

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399 views

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python - ImageFont's getsize() does not get correct text size?

I use the following two methods to to generate text preview image for a .ttf font file PIL method: def ... the canvas as we expected? See Question&Answers more detail:os...

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

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636 views

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python - Eval not working on multi-line string

I am having issues with executing a multi-line string with the python eval function/ code = ''' def main() ... (): ^ SyntaxError: invalid syntax See Question&Answers more detail:os...

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

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557 views

1 answer

python - Why my YouTube video downloader only downloads some videos and for other videos it shows keyerror like URL and cipher?

I am trying to make a YouTube video downloader using Python pytube3 but it doesn't download all the videos. ... (formats) KeyError: 'cipher' See Question&Answers more detail:os...

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

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451 views

1 answer

python - "sys.getrefcount()" return value

Why does sys.getrefcount() return 3 for every large number or simple string?Does that mean that 3 ... sys.getrefcount(11111111111111111) 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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511 views

1 answer

python - Error importing numpy from Anaconda, using conda (DLL load failed: The specified module could not be found)

When I use Anaconda, importing numpy gives me the following error: Traceback (most recent call last): File "< ... .com/conda/conda/issues/7833 See Question&Answers more detail:os...

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

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531 views

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python - Difference between re.search() and re.findall()

The following code is very strange: >>> words = "4324324 blahblah" >>> print re.findall(r'(s)w+', ... why findall treats groups in this 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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500 views

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python - Django - (1366, "Incorrect string value:... error

I am getting the following error when I try to add a new record via django admin: OperationalError at /admin ... ; Then everything worked fine. See Question&Answers more detail:os...

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

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369 views

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python - How do I train multiple neural nets simultaneously in keras?

How do I train 1 model multiple times and combine them at the output layer? For example: model_one = ... has no attribute 'get_shape' See Question&Answers more detail:os...

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

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333 views

1 answer

python - Django ModuleNotFoundError

I can't make a simple Django project work at all. I get the same error as listed in this question which I ... well. Which gives the same error. See Question&Answers more detail:os...

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

0 votes

590 views

1 answer

python - apply color map to mpl_toolkits.mplot3d.Axes3D.bar3d

There is a 'color' argument to Axes3D's bar3d function which can accept arrays to color individual bars ... net/mpl_toolkits/mplot3d/api.html See Question&Answers more detail:os...

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

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458 views

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python - how to emit signal from a non PyQt class?

i'm programming an application in python using twisted and PyQt . the problem that i'm facing is that when a ... MainWindow.show() reactor.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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1.2k views

1 answer

python - Discord.py - Make a bot react to its own message(s)

I am trying to make my discord bot react to its own message, pretty much. The system works like this: A ... emojis) here bot.run(TOKEN) 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

1 answer

python - Django admin interface: using horizontal_filter with ManyToMany field with intermediate table

I am trying to enhance the django admin interface similar to what has been done in the accepted answer of this ... value. Thanks for your help! See Question&Answers more detail:os...

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

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1.4k views

1 answer

python - Adding poisson noise to an image

I have some images that I need to add incremental amounts of Poisson noise to in order to more thoroughly ... have yielded nothing so far. See Question&Answers more detail:os...

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

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608 views

1 answer

python - Is there a function similar to OpenCV findContours that detects curves and replaces points with a spline?

I am trying to take the below image, trace the white shape, and export the resulting path to pdf. The problem ... ", original) cv2.waitKey(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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376 views

1 answer

python - How to use the pipe operator as part of a regular expression?

I want to match the url within strings like u1 = "Check this out http://www.cnn.com/stuff lol" u2 = " ... How can this be done better? 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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