Recent questions tagged Python

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python - return rows with unique pairs across columns

I'm trying to find rows that have unique pairs of values across 2 columns, so this dataframe: A B 1 0 ... mirrored if the columns are flipped. 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 - Posting (Uploading) an image to Instagram using Selenium not using an API

Background: I've been trying to solve this for a while now. I'm using Selenium (chrome webdriver) to access ... .instagram.com/create/style/)? 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 - Why is the order of multiple `for` list comprehension the way it is?

I know the right way to have multiple for in a nested list comprehension is as follows (Python 3): lista = ... was the language built 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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python 3.x - Keras fit_generator and fit results are different

I am training a Convolutional Neural Network using face images dataset. The dataset has 10,000 images of dimensions ... 4803 - val_acc: 0.7372 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 - Number of unique elements per row in a NumPy array

For example, for a = np.array([[1, 0, 0], [1, 0, 0], [2, 3, 4]]) I want to get [2, 2, 3] ... if there was a better way to do it with numpy. 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 - Optimizing for accuracy instead of loss in Keras model

If I correctly understood the significance of the loss function to the model, it directs the model to be trained ... it during it's training? 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 - Anaconda - Install blpapi in environment

I have py2.7 as my original Anaconda install, and have installed py3.4 in an environment named py3. I ... //anaconda.org/macinv/blpapi/files 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 - PySide6.1 not compatible with matplotlib 3.4

When I only install PySide6, the GUI program works well, but once I have installed matplotlib with its dependency ... is installed via conda. 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 - Why doesn't appending binary pickles work?

I know this isn't exactly how the pickle module was intended to be used, but I would have thought this would ... simpler duh way to do 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 for loop, how to find next value(object)?

HI, I'm trying to use for loop to find the difference between every two object by minus each other. So, how can ... to say? diff = last = first See Question&Answers more detail:os...

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

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442 views

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python - Overlaying multiple histograms using pandas

I have two or three csv files with the same header and would like to draw the histograms for each column overlaying ... hist(bins=20) 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 - Use custom widgets kivy

I'm trying to build a kivy app using some custom widgets. However whenever I try to use them they ... make each button behave differently? See Question&Answers more detail:os...

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

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324 views

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python regex to detect a word exists

I want to detect whether a word is in a sentence using python regex. Also, want to be able to negate it. import ... )', 'bar red foo 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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384 views

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python - "unresolved external symbol"-error when linking a Cython extension against a C library on Windows

I am learning Cython and tried to run a simple example found here: making C library callable. I used VS 2019 ... hello function in the summary. See Question&Answers more detail:os...

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

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533 views

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python - Confusing probabilities of the predict_proba of scikit-learn's svm

My purpose is to draw the PR curve by the sorted probability of each sample for a specific class. However, I ... kernel for SVM. Any solutions? 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 - Finding hidden cells using openpyxl

I've been trying to write a script to copy formatting from one workbook to another and, as anyone dealing ... see where hidden columns are? See Question&Answers more detail:os...

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

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543 views

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python - How to plot a figure with Chinese Characters in label

When I draw a figure with Chinese Character label in Python 3, it doesn't work correctly: ] My code: fig = pd. ... .grid(True) plt.axis('tight') 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 - Deep copy of Pandas dataframes and dictionaries

I'm creating a small Pandas dataframe: df = pd.DataFrame(data={'colA': [["a", "b", "c"]]}) ... ? thanks for your help! Cheers, Nicolas See Question&Answers more detail:os...

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

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341 views

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python - Shared object between requests in Django

I am using a Python module (PyCLIPS) and Django 1.3. I want develop a thread-safety class which realizes ... Expert System Engine CLIPS. 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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385 views

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python - VIM command to insert multiline text with argument

new VIM user. I'm trying to make creating python properties easier for my class definitions. What I would ... -expression-of-a-normal-command See Question&Answers more detail:os...

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

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1.8k views

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python - TypeError: __init__() missing 1 required positional argument: 'units'

I am working in python and tensor flow but I miss 'units' argument and I do not know how to solve it, It looks ... (prog='dot', format='svg')) 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 - Run App Engine development server with modules in PyCharm

Since the latest release of the Google App Engine Python SDK, it's possible to use modules. I have a Python ... there was no need for 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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773 views

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python 3.x - Playing music with a bot from Youtube without downloading the file

How would i go about playing music using a discord bot from Youtube without downloading the song as a file? I've ... % e) if e else 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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364 views

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python - Specifying column order following groupby aggregation

The ordering of my age, height and weight columns is changing with each run of the code. I need to keep the ... .to_csv(output_file, sep=',') See Question&Answers more detail:os...

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

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508 views

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python 3.x - Playing music with a bot from Youtube without downloading the file

How would i go about playing music using a discord bot from Youtube without downloading the song as a file? I've ... % e) if e else 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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381 views

1 answer

python - How to modify a Django model?

If I would like to change e.g. Django's Site module: from django.contrib.sites.models import Site How would I do ... I just create a new model? See Question&Answers more detail:os...

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

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655 views

1 answer

python - Deep copy of Pandas dataframes and dictionaries

I'm creating a small Pandas dataframe: df = pd.DataFrame(data={'colA': [["a", "b", "c"]]}) ... ? thanks for your help! Cheers, Nicolas See Question&Answers more detail:os...

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

0 votes

400 views

1 answer

python - Interactive matplotlib plots via textboxes

I'm trying to create an interactive matplotlib plot of a multidimensional function with three parameters to vary. The ... (reset) 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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