Recent questions tagged Python

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python - altair: Access rSquared-value in a regression

I am using this example https://altair-viz.github.io/user_guide/transform/regression.html for plotting a regression ... params=True).mark_text() 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 can I identify when a Button is released in Tkinter?

I'm using Tkinter to make a GUI and drive a robot. I have 4 Buttons: FORWARD, RIGHT, BACKWARD and LEFT. ... a Button is released in Tkinter? 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 - change the values of an array from nan to zero

I have an array A on python that has some nan values created by numpy.nan. I want to set all the nan values ... the array at all. Why is that? 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 make loop repeat until the sum is a single digit?

Prompt: Write a program that adds all the digits in an integer. If the resulting sum is more than one digit, keep repeating ... = 16 1 + 6 = 7 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 - Selenium Firefox headless returns different results

When i scrape page that contains products with usage of headless option i get different results. For the same ... . Thanks 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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python - Determine the endianness of a numpy array

I have a numpy.array and I want to find out what endianness is used in the underlying representation. A byteorder ... being used with an 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 - averaging a sentence’s word vectors in Keras- Pre-trained Word Embedding

I am new to Keras. My goal is to create a Neural Network Multi-Classification for Sentiment Analysis for ... all help will be 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 - numpy shorthand for taking jagged slice

I have an operation that I'm doing commonly which I'm calling a "jagged-slice" because I don't know the real ... function for this if you want. 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 - Cannot resize Image with tkinter

I am trying to create a tkinter project in python 2.7, where the user can resize the window, and everything inside ... So what am I doing wrong? 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 - passing a tuple in *args

I'd like to pass a tuple (or maybe a list) to a function as a sequence of values (arguments). The ... unpack it in the function call itself. See Question&Answers more detail:os...

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

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729 views

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python - Slicing sublists with different lengths

I have a list of lists. Each sublist has a length that varies between 1 and 100. Each sublist contains a particle ... array: pos = pos[satIDs] See Question&Answers more detail:os...

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

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756 views

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python - Ellipsis broadcasting in numpy.einsum

I'm having a problem understanding why the following doesn't work: I have an array prefactor that can be ... is no satisfactory answer yet. 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 completely ignore whitespaces in csv with Pandas

I am trying to make a .csv file in a format that is both minimally human-readable and also easily ... pandas through the converters keyword. 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 - Draw ellipses around points

I'm trying to draw ellipses around points of a group on a graph, with matplotlib. I would like to obtain ... to its most basic expression. See Question&Answers more detail:os...

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

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978 views

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python - Getting the last non-nan index of a sorted numpy matrix or pandas dataframe

Given a numpy array (or pandas dataframe) like this: import numpy as np a = np.array([ [1, 1, 1, 0.5, np.nan, np.nan, ... 3, 4, 5, 6, 4, 5, 6])) 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 - Python3.4 datetime.today() and datetime.now()

Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 24 2015, 22:43:06) [MSC v.1600 32 bit (Intel)] on win32 ... and datetime.now() What's the difference? 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 - Meaning of "AttributeError: NoneType object has no attribute tk"?

What does the following error message mean? AttributeError: 'NoneType' object has no attribute '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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796 views

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python - Filter a list of lists of tuples

I have a list of lists of tuples: oldList = [[(1,None),(2,45),(3,67)],[(1,None), (2,None), ... point in data: newList.append(filter(None,point)) 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 - win32com.client.Dispatch works but not win32com.client.gencache.EnsureDispatch

i'm learning win32com for python and I've got a strange problem. I'e trying to export Outlook Contacts in a ... with Outlook 2007 32-bit 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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846 views

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python - Change format of coordinate text in status bar

Does anyone know how to modify the "x" and "y" in the status bar below a plot? I want to change it ... Latitude", is it possible in matplotlib? 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 - Intersection of 2d and 1d Numpy array

For every element in array A[:,3:] that is also in array B, I want to set the value to 0, which ... this. Any help would be greatly 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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877 views

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python - Parallelizing snakemake rule

Sorry if this is a naive question, but I'm still trying to wrap my head around the intricacies of ... alternative approach here? Thank you! See Question&Answers more detail:os...

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

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997 views

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python 3.x - Pytesseract: UnicodeDecodeError: 'charmap' codec can't decode byte

I'm running a large number of OCRs on screenshots with Pytesseract. This is working well in most cases, but a ... except) would be very helpful. 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 - Tkinter: Configure method for labels dynamically generated

I am trying to change the labels of my application with the configure method. The Labels are dynamically made in a for ... . What do I do wrong? See Question&Answers more detail:os...

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

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1.2k views

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python - WEBP support not installed error with Pillow included in Anaconda

I have written a small code to open webp image in the Anaconda prompt. from PIL import Image im = Image.open( ... 0.6.1 py37_1 defaults menuinst 1.4.14 py37hfa6e2cd_0 default...

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

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708 views

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python - TypeError argument must be an int or have a fileno() method

Seen here https://stackoverflow.com/search?q=TypeError+argument+must+be+an+int+or+have+a+fileno%28%29+method But ... have a fileno() method See Question&Answers more detail:os...

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

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888 views

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python - Output ASCII art to console on succesfull pytest run

I'm using pytest to run tests in Django project. I'm using pytest.ini where DJANGO_SETTINGS_MODULE is defined, so I ... how this could be done? See Question&Answers more detail:os...

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

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717 views

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python - Smallest n numbers from a list

If I have a list list1=[1,15,9,3,6,21,10,11] how do I obtain the smallest 2 integers from that? min() gives me one number, but what about 2? See Question&Answers more detail:os...

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

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