Recent questions tagged Python

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python - Yield from coroutine vs yield from task

Guido van Rossum, in his speech in 2014 on Tulip/Asyncio shows the slide: Tasks vs coroutines Compare: res ... notes) will be very 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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python - Scikit-learn: How to run KMeans on a one-dimensional array?

I have an array of 13.876(13,876) values between 0 and 1. I would like to apply sklearn.cluster.KMeans ... algorithm on a one-dimensional array? 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 - Equality in Pandas DataFrames - Column Order Matters?

As part of a unit test, I need to test two DataFrames for equality. The order of the columns in the ... comparison that ignores column order? See Question&Answers more detail:os...

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

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476 views

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python - How do I sum the columns in 2D list?

Say I've a Python 2D list as below: my_list = [ [1,2,3,4], [2,4,5,6] ] I can get the row totals with a ... Ie, to get this list: [3,6,8,10] 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 Sphinx napoleon document function returning multiple arguments?

I am trying to use the Google code style to document a function that I then use sphinx with the napoleon ... is still documenting one arg. See Question&Answers more detail:os...

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

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476 views

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python - Setting SQLAlchemy autoincrement start value

The autoincrement argument in SQLAlchemy seems to be only True and False, but I want to set the pre-defined ... get that? 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 built-in function to do matrix reduction

Does python have a built-in function that converts a matrix into row echelon form (also known as upper triangular)? 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 - FreqDist with NLTK

NLTK in python has a function FreqDist which gives you the frequency of words within a text. I am trying to pass ... I have wrong pls? 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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495 views

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python - Get the inner HTML of a element in lxml

I am trying to get the HTML content of child node with lxml and xpath in Python. As shown in code ... : print #html content of product See Question&Answers more detail:os...

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

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360 views

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python - Django default settings convention for pluggable app?

What's a djangonautic way of handling default settings in an app if one isn't defined in settings.py? I've ... I'd love to hear feedback. See Question&Answers more detail:os...

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

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649 views

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python - How do I plot two countplot graphs side by side in seaborn?

I am trying to plot two countplots showing the counts of batting and bowling. I tried the following code: l=[' ... make them order side by side? See Question&Answers more detail:os...

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

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290 views

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python - No module named Image

Sorry for my grammar, I don't speak English. After I set filebrowser, tinymce, and grappelli, I get this ... movements, here are the details. See Question&Answers more detail:os...

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

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475 views

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python - How to run a single line or selected code in a Jupyter Notebook or JupyterLab cell?

In both JupyterLab and Jupyter Notebook you can execute a cell using ctrl + Enter: Code: print('line 1') ... there better ways of doing 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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713 views

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python - Combine pandas DataFrame query() method with isin()

So I want to use isin() method with df.query(), to select rows with id in a list: id_list. Similar question ... error df.query('a == id_list') 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 - raw_id_fields: How to show a name instead of id?

Customizing a Django Admin panel, I'm using raw_id_fields to select a ForeignKey from a Model which has thousands ... = ('parent',) See Question&Answers more detail:os...

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

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448 views

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python - installing Mayavi with pip - no module named vtk

I want to use Mayavi. Situation I use a MacBook Air, with OSX 10.7.3. I use Python 2.7.2 I have virtualenv ... pyc'> >>> My PYTHONPATH is empty. See Question&Answers more detail:os...

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

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331 views

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python - sklearn agglomerative clustering linkage matrix

I'm trying to draw a complete-link scipy.cluster.hierarchy.dendrogram, and I found that scipy.cluster.hierarchy.linkage ... a way to take them? See Question&Answers more detail:os...

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

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475 views

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python - How to solve import errors while trying to deploy Flask using WSGI on Apache2

I am having an issue deploying a flask app on apache2 using wsgi. I have posted the error logs and config ... None </Location> </VirtualHost> 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 - How is the feature score(/importance) in the XGBoost package calculated?

The command xgb.importance returns a graph of feature importance measured by an f score. What does this f ... : Graph of feature importance See Question&Answers more detail:os...

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

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368 views

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python - Return a tuple of arguments to be fed to string.format()

Currently, I'm trying to get a method in Python to return a list of zero, one, or two strings to plug into a ... it as an argument to .format()? See Question&Answers more detail:os...

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

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714 views

1 answer

python - Import urllib.request, ImportError: No module named request

I am trying to import urllib.request for python 2.7.10 on PyCharm 4.5.4 on Window 10 but getting the ... "ImportError: No module named request". See Question&Answers more detail:os...

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

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264 views

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python - Handling GET and POST in same Flask view

When I type request.form["name"], for example, to retrieve the name from a form submitted by POST, must ... variables using python and Flask. See Question&Answers more detail:os...

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

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733 views

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python - Turtle graphics - How do I control when the window closes?

I have a small python script which draws some turtle graphics. When my script has finished running, the turtle ... How do I accomplish 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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383 views

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python - How can I print the values of Keras tensors?

I am implementing own Keras loss function. How can I access tensor values? What I've tried def loss_fn( ... function to access y_true 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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382 views

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python - NLTK Lookup Error

While running a Python script using NLTK I got this: Traceback (most recent call last): File "cpicklesave.py ... Can anyone explain the problem? See Question&Answers more detail:os...

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

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224 views

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python - Why XGrabKey generates extra focus-out and focus-in events?

Does anyone know an xlib function to trap a keypress event without losing the original focus? How to get rid ... -keys-move-the-mouse-pointer See Question&Answers more detail:os...

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

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240 views

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python - SMTP AUTH extension not supported by server

Using python I want to send email from my app but it shows the error SMTP AUTH extension not supported by server ... and send mail from app. See Question&Answers more detail:os...

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

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428 views

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python - How do I get the active window on Gnome Wayland?

Background: I'm working on a piece of software called ActivityWatch that logs what you do on your computer. ... on Gnome when using Wayland? See Question&Answers more detail:os...

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

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