Recent questions tagged Python

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python - How to pass additional parameters to handle_client coroutine?

The recommended way to use asyncio for a socket server is: import asyncio async def handle_client(reader, ... must exist inside coroutines? 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 - RealTime output from a subprogram to stdout of a pyQT Widget

Hi I have seen there are already many questions on this issue however none of them seems to answer my query . As ... == '__main__': main() 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 the pythonic way to implement a css parser/replacer

I want to implement a script that reads a CSS file and makes meaningful changes to it (adding/removing/ ... libraries you would mention here. 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 - Make an object that behaves like a slice

How can we make a class represent itself as a slice when appropriate? This didn't work: class MyThing(object): ... slice doesn't work either. 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 create new values in a pandas dataframe column based on values from another column

I have a pandas dataframe of values I read in from a csv file. I have a column labeled 'SleepQuality' and the values are ... 61.3 2 54 1 58.2 1 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 remove an element from a nested list?

if i have an nested list such as: m=[[34,345,232],[23,343,342]] if i write m.remove(345) it gives ... an element from the nested list,easily?? 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 do I cluster a list of geographic points by distance?

I have a list of points P=[p1,...pN] where pi=(latitudeI,longitudeI). Using Python 3, I would like to ... , none of which answer this question. 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 - Pandas Percentage count on a DataFrame groupby

I have a DataFrame (mydf) along the lines of the following: Index Feature ID Stuff1 Stuff2 1 True 1 23 12 ... up with the groupby/index format. 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 MxN piechart plots with one legend and removed y-axis titles in Matplotlib

I have the following code: import matplotlib.pyplot as plt plt.style.use('ggplot') import numpy as np np.random. ... legends Save it to a 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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python - Parse BeautifulSoup element into Selenium

I want to get the source code of a website using selenium; find a particular element using BeautifulSoup; and then ... How can I achieve 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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python - VisibleDeprecationWarning: boolean index did not match indexed array along dimension 1; dimension is 2 but corresponding boolean dimension is 1

After an update of Macports, that I think updated numpy, I'm getting the warning: VisibleDeprecationWarning: boolean ... return d Any ideas? 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 - TypeError: 'type' object is not iterable - Iterating over object instances

I am working on a project and I would like to make one of my classes iterable. To the best of my knowledge I ... python 3.4. 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 - How to exclude a single file from package with setuptools and setup.py

I am working on blowdrycss. The repository is here. I want the settings file for blowdrycss_settings.py to be ... from the distributed package? 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 - Apply borders to all cells in a range with openpyxl

I have a script that takes a pandas dataframe and chops it up into several hundred chunks and saves each ... .BORDER_HAIR seem correct. 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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542 views

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python - Convert matplotlib data units to normalized units

Does anyone know how to convert matplotlib data units into normalized units? The reason that I need it is that ... right function to do the job See Question&Answers more detail:os...

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

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549 views

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python 3.x - calculate precision and recall in a confusion matrix

Suppose I have a confusion matrix as like as below. How can I calculate precision and recall? See Question&Answers more detail:os...

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

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605 views

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python - Scrapy crawl with next page

I have this code for scrapy framework: # -*- coding: utf-8 -*- import scrapy from scrapy.contrib.spiders import ... pages. What is wrong here? See Question&Answers more detail:os...

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

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447 views

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python - How to find the closest match based on 2 keys from one dataframe to another?

I have 2 dataframes I'm working with. One has a bunch of locations and coordinates (longitude, latitude) ... greatly appreciated.. Thanks, Scott 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 - Apache Spark reads for S3: can't pickle thread.lock objects

So I want my Spark App to read some text from Amazon's S3. I Wrote the following simple script: import ... someone managed to solve the above? See Question&Answers more detail:os...

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

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345 views

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python - Prevent RAM from paging to swap area (mlock)

Is there a way to call the POSIX mlock function from Python? The effect of mlock is to disable swapping out ... how to contain them in RAM. See Question&Answers more detail:os...

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

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351 views

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python - PIL Cannot Handle This Data Type

I'm attempting to use the fft module in numpy: import Image, numpy i = Image.open('img.png') a = ... find out which data types PIL accepts? 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 - Algorithm for generating a tree decomposition

I want to construct a tree decomposition: http://en.wikipedia.org/wiki/Tree_decomposition and I have the chordal ... graph object for networkx. See Question&Answers more detail:os...

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

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540 views

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python - Edgelines vanish in mplot3d surf when facecolors are specified

I have produced the following surface plot in matlab: and I need to create this in .NET instead. I'm hoping ... 0.2558036805, 0.251140419253333, 0.24647797058, 0.24181633448, 0.23...

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

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311 views

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python - Using matplotlib, how can I print something "actual size"?

I have a number of plots where the x- and y-axes are in centimeter units, and I am already using axis('equal' ... is a way-easier 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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330 views

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python - Check to ensure a string does not contain multiple values

**Note- I will not just be testing at the end of a string-- need to locate particular substrings anywhere in the ... .find('YouTube') == -1: See Question&Answers more detail:os...

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

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561 views

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python 3.x - Upload and Delete Azure Storage Blob using azure-storage-blob or azure-storage

I refer to Microsoft's Quick Start guide for Azure Blob storage client library v12 for Python. It details how to upload ... , how can I do 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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262 views

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python - Is this a bug in this gzip inflate method?

When searching on how to inflate gzip compressed data on iOS, the following method appears in number of ... /38893107/gzip/urlEncodedBase64.txt See Question&Answers more detail:os...

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

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352 views

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python - What does "del sys.modules[module]" actually do?

As everyone knows, you can do del sys.modules[module] to delete an imported module. So I was thinking: ... do, besides changing the dictionary? See Question&Answers more detail:os...

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

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