Recent questions tagged Python

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python - Merging DataFrames on multiple conditions - not specifically on equal values

Firstly, sorry if this is a bit lengthy, but I wanted to fully describe what I have having problems with and ... effective way 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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218 views

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python - Why doesn't asyncio always use executors?

I have to send a lot of HTTP requests, once all of them have returned, the program can continue. Sounds ... wrapping something in an executor ? See Question&Answers more detail:os...

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

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481 views

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python - Tkinter: Draw rectangle using a mouse

Please, help me to resolve this problem. I want to allow the user to draw a random rectangle around a ... ExampleApp(root) root.mainloop() 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 - A QApplication instance already exists

I'm doing some simple PySide on 3Dsmax 2015. This is my error: python.ExecuteFile "C:Program FilesAutodesk3ds ... it on 3Dsmax 2015 Listener See Question&Answers more detail:os...

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

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505 views

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python - How can I find a substring and highlight it in QTextEdit?

I have a QTextEdit window that shows the content of a file. I would like to be able to find all matches inside the ... bold. How can I 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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432 views

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python - How do I include files with pyinstaller?

I have made a program with python 3.7 using tkinter aswell. Since I am using external pictures I need to ... Seriously can't figure this out! See Question&Answers more detail:os...

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

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445 views

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python - How to delete a django JWT token?

I am using the Django rest framework JSON Web token API that is found here on github (https://github.com/ ... is enough. Is that correct? 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 a Django model field's default value be defined by a function dependent on a foreign parent model?

I'm trying to have the default value of Report's fee be based on a parent model's attributes. I don' ... .overridableFee = self.job.get_fee() 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 limit cross correlation window width in Numpy?

I am learning numpy/scipy, coming from a MATLAB background. The xcorr function in Matlab has an optional argument ... to include this feature? 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 and Folium integration

Django newbie here: my aim is to integrate Folium to an html page. so what I have at the moment: polls/views. ... map and also define the size? See Question&Answers more detail:os...

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

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675 views

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python - How to fix/set column width in a django modeladmin change list table when a list_filter is added?

I'm working on improving the admin.py in a django project, and while I'm not totally jazzed about how ... view from the FieldAdmin class? See Question&Answers more detail:os...

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

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358 views

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python - What's the Pythonic way to combine two sequences into a dictionary?

Is there a more concise way of doing this in Python?: def toDict(keys, values): d = dict() for k,v in zip(keys, values): d[k] = v return d See Question&Answers more detail:os...

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

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377 views

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python - Remove empty lists in pandas series

I have a long series like the following: series = pd.Series([[(1,2)],[(3,5)],[],[(3,5)]]) ... the series into a DataFrame of two columns also. 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 - SciPy Curve Fit Fails Power Law

So, I'm trying to fit a set of data with a power law of the following kind: def f(x,N,a): # Power ... is there something I'm doing wrong 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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238 views

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python - Parsing nested JSON data

This JSON output is from a MongoDB aggregate query. I essentially need to parse the nested data JSON down to ... , USD 1065600.0, TK See Question&Answers more detail:os...

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

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598 views

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python - How to hide a layout in PyQt?

My code contains a vertical box layout which is a combination of a vertical box layout in left and one at ... a certain signal is emitted. See Question&Answers more detail:os...

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

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357 views

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python - Copying from clipboard using tkinter without displaying window

Running Python 3.4 on Windows 7. I need to copy what's stored in the clipboard to a variable in my python ... I guess I'll just use pywin32. See Question&Answers more detail:os...

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

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370 views

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python - SKLearn how to get decision probabilities for LinearSVC classifier

I am using scikit-learn's linearSVC classifier for text mining. I have the y value as a label 0 ... 0.050368652422013376, -0.046834129250376291, See Question&Answers more detail:os...

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

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426 views

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python - Preserving the dimensions of a slice from a Numpy 3d array

I have a 3d array, a, of shape say a.shape = (10, 10, 10) When slicing, the dimensions are squeezed ... slice came from in the array a. See Question&Answers more detail:os...

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

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762 views

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python - AWS Glue - Truncate destination postgres table prior to insert

I am trying to truncate a postgres destination table prior to insert, and in general, trying to fire external functions ... been able to do so? See Question&Answers more detail:os...

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

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300 views

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python - Remove 'seconds' and 'minutes' from a Pandas dataframe column

Given a dataframe like: import numpy as np import pandas as pd df = pd.DataFrame( {'Date' : pd.date_range('1 ... a way to do this more directly? See Question&Answers more detail:os...

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

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454 views

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python - TensorFlow DataSet `from_generator` with variable batch size

I'm trying to use the TensorFlow Dataset API to read an HDF5 file, using the from_generator method. Everything ... ideas or comments? 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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324 views

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python - MemoryError while creating cartesian product in Numpy

I have 3 numpy arrays and need to form the cartesian product between them. Dimensions of the arrays are not ... handle this issue. Please 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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434 views

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python - Use scikit-learn TfIdf with gensim LDA

I've used various versions of TFIDF in scikit learn to model some text data. vectorizer = TfidfVectorizer(min_df= ... and all of its parameters. See Question&Answers more detail:os...

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

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337 views

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python - How can I JSON serialize an object from google's natural language API? (No __dict__ attribute)

I'm using the Google Natural Language API for a project tagging text with sentiment analysis. I want to store ... serialize the object to JSON? See Question&Answers more detail:os...

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

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326 views

1 answer

python - Set DJANGO_SETTINGS_MODULE as an Environment Variable in Windows permanently

How can I permanently set the environmental variable DJANGO_SETTINGS_MODULE on WINDOWS on a permanent basis ... -packagesdjangodb ? 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 - PySpark: spit out single file when writing instead of multiple part files

Is there a way to prevent PySpark from creating several small files when writing a DataFrame to JSON file? If I ... out a single file instead? See Question&Answers more detail:os...

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

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234 views

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python - Why should you lock threads?

I've read a lot of examples on locking threads.. but why should you lock them? From my understanding, when ... in the threading module btw... See Question&Answers more detail:os...

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

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