Recent questions tagged Python

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python - Integer caching for numbers greater than 256 and less than -5

I know that python has a concept of small integers which are numbers from -5 to 256, and if two variables ... 6. Also tried on PythonTutor.com 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 - Read Remote File with Access Permissions

I am trying to read a file on a network server (from a Windows XP machine), which I would normally access ... of Linux on the server 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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python - access elements from array of arrays, call function to execute array of arrays

If I have an array like: a = np.array([ [A(2,3 , np.array([[C(2,3)], [C(5,6)] ]))], [A(4,5 , np. ... .t) which gives 2 and 5 instead of 2,5,1,9. 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 - Negation in np.select() condition

Here is my code: import pandas as pd import numpy as np df = pd.DataFrame({ 'var1': ['a', 'b', ' ... a NaN value the condition should give TRUE? 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 - Adding a check issue

Hi I'm trying to check if only the specific user has typed yes or no then apply the role. At the ... 0x56e011) await ctx.send(embed=embed) 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 - What is wrong with the syntax with line 7 in my code? It says my print statement has invalid syntax and I can't figure it out?

total_cost_of_food = float(input('How much did the food cost? ')) sales_tax = 8.25 tax_plus_total = ... am likely missing something. See Question&Answers more detail:os...

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

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502 views

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python - Client Event in command discord.py

I'm currently making a discord bot with tutorials and I want that if the member types "next", the next step ... better way to code this xd) 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 render a part of QGraphicsScene and save It as image file PyQt5

Suppose I have QGraphicsPixmapItem from loaded image which is added to QGraphicsScene. And suppose I'll add several ... need to implement pass 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 repeat a section of the program until the input is correct?

I want my code to be repeated until the player guesses correctly. ghuess=input("state a number between 1-100") ... " time.sleep(1) print prize 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 extract metadata for more than 20000 videos from channel using YouTube Data API v3?

I want to use Youtube Data API v3 to extract video metadata (especially title and publish date) for all ... extract metadata for all videos. See Question&Answers more detail:os...

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

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392 views

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python - Scraping contents of multi web pages of a website using BeautifulSoup and Selenium

The website I want to scrap is : http://www.mouthshut.com/mobile-operators/Reliance-Jio-reviews-925812061 I ... ways to achieve my intention. See Question&Answers more detail:os...

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

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470 views

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python - Start shell script on Raspberry Pi startup

I have a python program which posts to my local web server. The script runs on a raspberry pi running the ... requires login info upon booting. See Question&Answers more detail:os...

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

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423 views

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python - Zip two lists in dictionary but keep duplicates in key

I have two lists: alist = ['key1','key2','key3','key3','key4','key4','key5'] blist= [30001,30002,30003 ... ).Is it possible? 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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162 views

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python - How can I open multiple files (number of files unknown beforehand) using "with open" statement?

I specifically need to use with open statement for opening the files, because I need to open a few hundred ... Garbage collection saved the day. See Question&Answers more detail:os...

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

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250 views

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python - Scraping YouTube links from a webpage

I've been trying to scrape YouTube links from a webpage, but nothing has worked. This is a picture of what ... .com/event/i-am-hardstyle-germany See Question&Answers more detail:os...

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

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354 views

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python - Apply transformation matrix to pixels in OpenCV image

I want to change the color basis of an image from RGB to something else. I have a matrix M that I want ... Maybe a function in OpenCV or 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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159 views

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python - Multi-input Multi-output Model with Keras Functional API

As described in figure 1, I have 3 models which each apply to a particular domain. The 3 models are trained ... 2, epochs=5, batch_size=16) See Question&Answers more detail:os...

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

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406 views

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python - Parse large XML with lxml

I am trying to get my script working. So far it doesn't managed to output anything. This is my test.xml < ... to parse the element if is 0. See Question&Answers more detail:os...

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

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292 views

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python - Palindrome from the product of two 3-digit numbers

I want to find the largest palindrome that can be obtained through the multiplication of two 3-digit numbers. I ... out what I'm missing. See Question&Answers more detail:os...

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

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271 views

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python - how to show chinese word , not unicode word

this is my code: from whoosh.analysis import RegexAnalyzer rex = RegexAnalyzer(re.compile(ur"([u4e00-u9fa5])|(w+( ... word in my code, 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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150 views

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python - for loop only returning the last word in a list of many words

for word in wordStr: word = word.strip() print word When the above code analyzes a .txt with thousands of words ... the words in the text 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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270 views

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python - Error in calculating integral for 2D interpolation. Comparing numpy arrays

My optimization task deals with calculation of the following integral and finding the best values of xl and xu: ... I'd appreciate any 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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275 views

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python - Draw nodes in a graph clustered based on color

In the following dictionary mapping nodes to color, I wanted to draw the resultant graph whilst clustering the nodes within ... : 'lawngreen', 3908: 'lavender', 10063: 'gainsboro'...

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

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255 views

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python - Itertools Combinations No Repeats: Where rgb is equivelant to rbg etc

I'm trying to use itertools.combinations to return unique combinations. I've searched through several similar questions ... bit 'un-pythonic'. See Question&Answers more detail:os...

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

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255 views

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python 3.x - Why is numpy's kron so fast?

I was trying to implement a kronecker product function. Below are three ideas that I have: def kron(arr1, arr2) ... in advance for your time! See Question&Answers more detail:os...

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

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270 views

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python - Exclude a specific date based on a condition using pandas

df2 = pd.DataFrame({'person_id':[11,11,11,11,11,12,12,13,13,14,14,14,14], 'admit_date':['01/01/2011', ... 01-01 appear in a person's records. See Question&Answers more detail:os...

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

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303 views

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python - How do I boolean mask an array using chained comparisons?

How can I filter a numpy array using a pair of inequalities, such as: >>> a = np.arange(10) >>> a[a <= 6 ... . What's the right 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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146 views

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python - Evaluate javascript on a local html file (without browser)

This is part of a project I am working on for work. I want to automate a Sharepoint site, specifically to pull ... anything) that can 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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