Recent questions tagged Python

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python - Flatten an iterable of iterables

How can I write flatten which should return every value nested in an iterable? Here's an example of what I'm trying to ... 3 4 5 6 7 8 9 10 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I force pytz to use currently standard timezones?

Consider the following: from datetime import datetime import pytz new_years_in_new_york = datetime( year=2020, month=1, day ... for a 2020 date. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Pandas row filters and and division from specific rows and columns

I have the following dataframe:- traffic_type date region total_views desktop 01/04/2018 aug 50 mobileweb 01/04/2018 ... date', 'traffic_type']) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Sorting list of tuples of tuples

[((D,A),0.0),((D,C),0.0),((D,E),0.5)] I need to sort the list as: [((D,E),0. ... in ascending order of alphabets if the numbers have same value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Why am I getting a NameError when I try to access an attribute in my class?

I have this code with a class: class Triangle(object): def __init__(self, side1, side2, side3): self.side1 ... side1 in the perimeter method? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 2.7 - Sending Encrypted Data Through Socket And Decrypting Doesn't Work

I am creating a simple encryption software. The problem I currently have is that sending encrypted aes file data ... encrypted data is empty. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Trouble using Tkinter grid

I am completely new to Tkinter and I am having problems in placing the widgets where I want them to be. I ... () mw.mainloop() mainGUI() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - The Tkinter Pack Geometry Manager - options

I am teaching myself TKINTER at the moment. I have written... self.frameBottom = tk.Frame(master) self.frameBottom. ... to the top please? TIA See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - mpeg-2 library to extract video duration

I have recently ventured out into dealing with audio and video related coding and i have limited knowledge about ... mpeg-2 video itself? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can make a dataset of elements of matrices in dataframe?

I have dataset of 3 parameters 'A','B','C' in .TXT file and after I print them in 24x20 matrices I ... text file for 3 cycles: Text dataset See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to access a variable defined inside a function, from outside that function

I am stuck on using variables defined in a previous function in another function. For example, I have this ... function? Thank you in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Deleting a line from a text file

How to you delete a specific line from a text file using readlines() like: f_open = open("textfile.txt", "r" ... Sorry if it doesn't make sense. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - Speed up getting distance between two lat and lon

I have two DataFrame containing Lat and Lon. I want to find distance from one (Lat, Lon) pair to ALL (Lat, Lon ... . How do I make it faster? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to move tick labels off left spine

In matplotlib, how do I move the y tick labels to the far left side of the charting areas when I have moved the ... , I would like to get this: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Cannot read property 'join' of undefined in Javascript file Electron JS

I have an application in Electron JS that is calling a python function to execute a python script. When the ... working correctly? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Why does my original list change?

I a wrote a function SwapCities that is able to swap entries 3 and 4 in a list. So f.e. [ ... print "Original solution" print IncumbentSolution See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I compare the values of two playing cards when they have a value and a suit? Python3

I am trying to make a text based object oriented card game. Two players draw a card each from a deck of ... ) player2_card = self.cards.pop() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Generate a public key with a predefined modulus and exponent

"n": "rKZ-1zdz_CoLekSynOtyWv6cPSSkV28Kb9kZZHyYL-yhkKnH_bHl8OpWiGxQiKP0ulLRIaq1IhSMetkZ8FfXH-iptIDu4lPb8gt0HQYkjcy3HoaKRXBw2F8fJQO4jQ-ufR4l- ... Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to open multiple hrefs within a webtable to scrape through selenium

I'm trying to scrape this website using python and selenium. However all the information I need is not ... applications Screenshot of the site: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to find all combinations that sum up to at most a constant?

Let P=[P1, P2, ..., Pk] be k positive integers and let T be a positive integer. I would like to generate ... , you can provide it. Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Tkinter freezes with time

I'm learning Tkinter and at the moment I'm making a dice rolling program, I have encountered a problem where ... way I used after is correct See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Pygame Image position

I've recentley started using pygame to see what I could come up with and come across a problem which I can ... here. pygame.display.update() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to print a message, when error message is displayed on website selenium

Hi I am trying to scrape a website using selenium after sometime the website blocks my ip for scraping and a pop ... our support team.</div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Passing argument to a function via a Button in Tkinter, starnge behaviour in loop

I am currently trying to fix a bug in the python book "Python next step" which the author has not fixed and ... I remove the loop it works! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How do I prevent the player from moving through the walls in a maze in pygame?

I have a maze organized in a grid. Each cell of the grid stores the information about the walls to its right and ... flip() pygame.quit() exit() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Depth issue with 3D graphics

I copied a code off YouTube recently, about 3d graphics in Python without the use of 3D modules, like OpenGL ... showing up through any objects? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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134 views

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python - pygame.time.set_timer() - 4 2 the floor click

Why doesn't this play my click.wav every 444ms? it just seems to play it at random intervals. import pygame pygame ... 448 432 450 432 446 472 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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404 views

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python - Filled errorbars in matplotlib (rectangles)

Is it possibile to make a plot like this in matplotlib? I care only about the red filled rectangles, the crosses are easily done with errorbar. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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