Recent questions tagged Python

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python - ModuleNotFoundError: No module named 'sklearn.utils._joblib'

I'm using python 3.6 on on Anaconda Jupyter notebooks platform. My pc uses win 8.1 as OS. I was ... No module named 'sklearn.utils._joblib' 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 - warning LNK4197: export 'PyInit_python_module_name' specified multiple times; using first specification

I created some Cython files, and import them in a Python file using, import pyximport pyximport.install() ... erroneous in the execution. 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 - Difference between Python3 and Python2 - socket.send data

I'm practicing some buffer-overflow techniques and I came across an odd issue with sending socked data. I have ... that. Any ideas? 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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python - Creating your own activity logging in GAE/P

I'd like to log user activity in my app for presentation to users and also for administrative purposes. My ... go with the first option? 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 - "Linear dependence in the dictionary" exception in sklearns OMP

I'm using sklearns OrthogonalMatchingPursuit to get a sparse coding of a signal using a dictionary learned by a ... issues in the application? 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 hide an ActionButton in Kivy?

I am trying to modify the visibility of an ActionButton accordingly to the current screen (using Screen ... object at 0x7fecb5d6e8d8> 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

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python - From Nested Dictionary to CSV File

I have nested dictionary (with length > 70.000): users_item = { "sessionId1": { "12345645647": 1.0, "9798654" ... make CSV file with my data? 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 - More Elegant way to number a list according to values

I would like to map a list into numbers according to the values. For example: ['aa', 'b', 'b', 'c', ... -- do it with the order maintained. See Question&Answers more detail:os...

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

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770 views

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python - AttributeError: module 'django.contrib.auth.views' has no attribute 'login'

I got error on my django rest framework, I am running it on windows 10 OS. this is the entire error: ... my situation? 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 - Forward RTSP stream to remote socket (RTSP Proxy?)

My Apologies for the generality of the question. I have tried many things but nothing seems to work. I ... appreciated. Thank you 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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819 views

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python - Django channels: No module named 'asgiref.sync'

I am following this guide for channels tutorial (https://media.readthedocs.org/pdf/channels/latest/channels.pdf) and ... I am new to channels. 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 - Is short-circuiting in assignment statements considered good style?

If I understand correctly myvar = a and b or c gives the same result as if a: if b: myvar = ... use short-circuiting in assignment statements? See Question&Answers more detail:os...

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

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444 views

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python - Efficiently remove duplicates, order-agnostic, from list of lists

The following list has some duplicated sublists, with elements in different order: l1 = [ ['The', 'quick', ... how to remove them efficiently? 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 - Filter PySpark DataFrame by checking if string appears in column

I'm new to Spark and playing around with filtering. I have a pyspark.sql DataFrame created by reading in a ... way to implement this filter? See Question&Answers more detail:os...

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

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498 views

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python - Why won't my Button widget expand vertically

I am familiarizing myself with Tkinter, and I am attempting to write a very simple program, which displays a button ... I run the above 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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967 views

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python - pandas to_csv doesn't output the file

I'm using jupyter notebook pandas to_csv doesn't output the dataframe to a file. I tried to use to_csv to output ... .csv'] will list the file. See Question&Answers more detail:os...

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

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600 views

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python - Enthought Canopy Mayavi font size bug

The font size setting in Enthough Canopy Mayavi mlab appears to be broken. Neither the command: mlab.axes. ... Size" text property work? See Question&Answers more detail:os...

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

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613 views

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python - Vectorize large NumPy multiplication

I am interested in calculating a large NumPy array. I have a large array A which contains a bunch of numbers. ... can just reshape to get there. See Question&Answers more detail:os...

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

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874 views

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python - tkinter keyboard interrupt isn't handled until tkinter frame is raised

I have a GUI application written with python+tkinter. In my workflow, I generally start the gui from ... workaround -- multiprocessing maybe? See Question&Answers more detail:os...

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

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604 views

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python - Solving linear system over integers with numpy

I'm trying to solve an overdetermined linear system of equations with numpy. Currently, I'm doing something like ... me in the right direction? See Question&Answers more detail:os...

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

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474 views

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python - Pandas extract numbers from column into new columns

I currently have this df where the rect column is all strings. I need to extract the x, y, w and h ... a better way? Possibly a regex approach See Question&Answers more detail:os...

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

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480 views

1 answer

python - Convert a list of strings to either int or float

I have a list which looks something like this: ['1', '2', '3.4', '5.6', '7.8'] How do I change the first two to ... this: [1, 2, 3.4, 5.6, 7.8] See Question&Answers more detail:os...

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

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724 views

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python - how do I get at the pandas.offsets object given an offset string

Suppose I have an offset string 'BM' or '7W' I know the answer for 'BM' is pd.offsets.BMonthEnd() for ' ... a string and get the offset object? 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 - How to create corpus from pandas data frame to operate with NLTK

Here is my problem: I have a csv file containing articles data set with columns: ID, CATEGORY, TITLE, BODY. ... TITLE and BODY Please, advise. See Question&Answers more detail:os...

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

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587 views

1 answer

python - Why is `None` returned instead of tkinter.Entry object?

I'm new to python, poking around and I noticed this: from tkinter import * def test1(): root = Tk() ... m using python 3.2 and PyScripter. See Question&Answers more detail:os...

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

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837 views

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python - getting ids of multiple rows inserted in psycopg2

I'd like to use psycopg2 to INSERT multiple rows and then return all the ids (in order) using a single query. ... ids instead of just the one? See Question&Answers more detail:os...

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

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537 views

1 answer

python - How to put multiple colormap patches in a matplotlib legend?

Situation at hand: I have multiple groups of lines, where the lines within the same group vary according to some ... would be happy to know. See Question&Answers more detail:os...

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

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449 views

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python - issubclass of abstract base class Sequence

This list shows what methods you need to implement for your class to be "regarded" as Sequence: __getitem__, __len__ ... behind abc, doesn't 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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