Recent questions tagged Python

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python - Adding different sized/shaped displaced NumPy matrices

In short: I have two matrices (or arrays): import numpy block_1 = numpy.matrix([[ 0, 0, 0, 0, 0], ... like maybe I'm missing something obvious. See Question&Answers more detail:os...

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

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197 views

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python 3.x - How to read pdf file using pdfminer3k?

I am using python 3.5 and I want to read the text, line by line from pdf files. Was trying to use ... anywhere. How to use it correctly? See Question&Answers more detail:os...

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

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236 views

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python - How to fix "TypeError: len() of unsized object"

I am getting: TypeError: len() of unsized object after running the following script: from numpy import * v=array(input ... ) How can I fix 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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278 views

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python - Why doesn't setup_requires work properly for numpy?

I wanted to create a setup.py file that automatically resolves a build-time dependency to numpy (for compiling ... seems to have no problems. See Question&Answers more detail:os...

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

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335 views

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python - seaborn produces separate figures in subplots

i'm trying to make a 2x1 subplot figure in seaborn using: data = pandas.DataFrame({"x": [1, 2, 4], "y": [10, ... "], yerr=data["s"]) 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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215 views

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python - How to save Xlsxwriter file in certain path?

Where does Xlsxwriter save the files you have created? Is it possibly to specify the path where I want the excel ... the excel file is saved? See Question&Answers more detail:os...

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

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159 views

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python - Change static folder from config in Flask

Has anyone tried this snippet flask config based static folder code cnippet? The code: import flask class MyFlask(flask ... .py file in 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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706 views

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python - How to generate a sphere in 3D Numpy array

Given a 3D numpy array of shape (256, 256, 256), how would I make a solid sphere shape inside? The code below ... +i]) plt.show() return arr See Question&Answers more detail:os...

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

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143 views

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python - Example of how to use PyLZMA

I want to use PyLZMA to extract a file from an archive (e.g. test.7z) and extract it to the same ... I can start to work and understand? See Question&Answers more detail:os...

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

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158 views

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python - Split array at value in numpy

I have a file containing data in the format: 0.0 x1 0.1 x2 0.2 x3 0.0 x4 0.1 x5 0.2 x6 ... in the first column but this seems very inefficient. See Question&Answers more detail:os...

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

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162 views

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python - How do numpy functions operate on pandas objects internally?

Numpy functions, eg np.mean(), np.var(), etc, accept an array-like argument, like np.array, or list, etc ... know about the make of a dataframe? See Question&Answers more detail:os...

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

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959 views

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python - Create a Legend on a Folium map

The Folium documentation is incomplete at this time: https://folium.readthedocs.io/en/latest/ According to the ... would be most grateful. See Question&Answers more detail:os...

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

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153 views

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python - ImportError: No module named backend_tkagg

I have such imports and code: import pandas as pd import numpy as np import statsmodels.formula.api as sm import ... can i fix this 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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380 views

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python - DataFrame correlation produces NaN although its values are all integers

I have a dataframe df: df = pandas.DataFrame(pd.read_csv(loggerfile, header = 2)) values = df.as_matrix() df2 = ... NaN -0.579651 0.004593 ... See Question&Answers more detail:os...

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

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530 views

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python - Anaconda - UnsatisfiableError: The following specifications were found to be in conflict

When I was trying to install a module 'pymc' through anaconda environments, it showed the error message as follows ... not. Please HELP! 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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137 views

1 answer

python - Pass all arguments of a function to another function

I want to have a class that I can create subclasses of that has a print function that only prints on a ... pass them to the default print? See Question&Answers more detail:os...

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

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501 views

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python - OpenCV Assertion failed: (-215:Assertion failed) npoints >= 0 && (depth == CV_32F || depth == CV_32S)

I have found the following code on this website: import os import os.path import cv2 import glob import imutils ... '> len(contour) = 4 See Question&Answers more detail:os...

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

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263 views

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python - Table legend in matplotlib

I would like to make a complex legend in matplotlib. I made the following code import matplotlib.pylab as plt ... proper position of a cell. See Question&Answers more detail:os...

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

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689 views

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python - Putting .SVG images into tkinter Frame

I have been trying to put the image from https://betacssjs.chesscomfiles.com/bundles/web/favicons/safari-pinned- ... you for any suggestions. See Question&Answers more detail:os...

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

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459 views

1 answer

python - No web processes running Error - Deploying Django on Heroku

I am using the tutorial to deploy Django. [http://devcenter.heroku.com/articles/django] After I do a git push ... ... ! Record not found. See Question&Answers more detail:os...

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

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569 views

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python - How to select last row and also how to access PySpark dataframe by index?

From a PySpark SQL dataframe like name age city abc 20 A def 30 B How to get the last row.(Like by ... in such ways or alternative ways. 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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1.9k views

1 answer

python - Converting pandas.DataFrame to bytes

I need convert the data stored in a pandas.DataFrame into a byte string where each column can have a ... type information for each column. See Question&Answers more detail:os...

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

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541 views

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python - How do you check if a widget has focus in Tkinter?

from Tkinter import * app = Tk() text_field = Entry(app) text_field.pack() app.mainloop() I want to be ... contents when the user presses enter. See Question&Answers more detail:os...

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

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296 views

1 answer

python - find duplicate rows in a pandas dataframe

I am trying to find duplicates rows in a pandas dataframe. df=pd.DataFrame(data=[[1,2],[3,4],[1,2],[1,4],[ ... be very very big in my case.... See Question&Answers more detail:os...

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

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289 views

1 answer

python - Why is pandas.Series.std() different from numpy.std()?

This is what I am trying to explain: >>> pd.Series([7,20,22,22]).std() 7.2284161474004804 >>> ... the standard deviations for each restaurant? See Question&Answers more detail:os...

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

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198 views

1 answer

python - typehints -> None or leave blank

Using python 3, one has the option to use typehints. My question is, if a function returns None, should one ... And which PEP addresses 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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401 views

1 answer

python 3.x - Getting error cannot import name 'six' from 'django.utils' when using Django 3.0.0 latest version

Currently I have upgraded version of Django 2.2 to 3.0 and suddenly getting error like below. ImportError: cannot ... idea how to solve 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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811 views

1 answer

python - how to make subprocess called with call/Popen inherit environment variables

First off, apologies for what I'm sure will be obvious is my rudimentary understanding of bash and shells ... likely misunderstand 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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