Recent questions tagged Python

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python - Best way to convert csv data to dict

I have csv file with following data val1,val2,val3 1,2,3 22,23,33 So how can I convert data into dict dict1 = ... for row in reader: ???? 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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python - ConfigParser with Unicode items

my troubles with ConfigParser continue. It seems it doesn't support Unicode very well. The config file is ... use sys.setdefaultencoding()! 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 install pytorch in Anaconda with conda or pip?

I am trying to install pytorch in Anaconda to work with Python 3.5 in Windows. Following the instructions in pytorch.org ... [vc14] ======= 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 - finding duplicates in a list of lists

I am using Python 2.7 and am trying to de-duplicate a list of lists and merge the values of the duplicates. ... the best way to do that is. 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 - ParseError: not well-formed (invalid token) using cElementTree

I receive xml strings from an external source that can contains unsanitized user contributed content. The ... cElementTree not complain? See Question&Answers more detail:os...

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

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726 views

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python - uwsgi throws IO error caused by uwsgi_response_write_body_do broken pipe

My application is a uwsgi+django setup. I use gevent to do performance testing and run 1200 requests concurrently. ... this broken pipe error? 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 - Strip white spaces from CSV file

I need to stripe the white spaces from a CSV file that I read import csv aList=[] with open(self.filename, ... string in the row return(aList) 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 - Check if space is in a string

' ' in word == True I'm writing a program that checks whether the string is a single word. Why doesn't this ... has no spaces/is a single word.. 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 - Delete intersection between two lists

I have two lists of objects: m2m_links = mymodel._meta.many_to_many o2m_links = mymodel._meta.get_all_related_objects() ... hit by this loop? 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 - Opencv homography to find global xy coordinates from pixel xy coordinates

I am trying to find the transformation matrix H so that i can multiply the (x,y) pixel coordinates and ... i doing something wrong somewhere? See Question&Answers more detail:os...

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

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465 views

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python - Using loginform with scrapy

The scrapy framework (https://github.com/scrapy/scrapy) provides a library for use when logging into websites ... with just loginform. 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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708 views

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python - How to decode unicode in a Chinese text

with open('result.txt', 'r') as f: data = f.read() print 'What type is my data:' print type(data) ... turn a list of unicode into normal string? 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 - Modifiying CSV export in scrapy

I seem to be missing something very simple. All i want to do is use ; as a delimiter in the CSV ... FEED_URI=output.csv --set FEED_FORMAT=csv 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 - How do I make pyinstaller include my database?

I've got a PyQt4 application which makes use of sqlite3. I have two seperate files currently: a .py file ... to include the database as well? See Question&Answers more detail:os...

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

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394 views

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python - Markov chain stationary distributions with scipy.sparse?

I have a Markov chain given as a large sparse scipy matrix A. (I've constructed the matrix in scipy.sparse ... s appreciated, but not necessary. See Question&Answers more detail:os...

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

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643 views

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python - How to introspect a function defined in a Cython C extension module

Python's inspect module doesn't seem to be able to inspect the signatures of "built-in" functions, which include ... .5 and Cython 0.24.1 See Question&Answers more detail:os...

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

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289 views

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python - how to get multiple conditional operations after a Pandas groupby?

consider the following example: import pandas as pd import numpy as np df = pd.DataFrame({'A' : ['foo', ... is based on another column. 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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654 views

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python - Tkinter Resize text to contents

Is it possible to have a Tkinter text widget resize to fit its contents? ie: if I put 1 line of text it will ... if I put 5 lines it will grow See Question&Answers more detail:os...

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

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239 views

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python - Vectorizing a "pure" function with numpy, assuming many duplicates

I want to apply a "black box" Python function f to a large array arr. Additional assumptions are: Function f ... and cython, or anything else. See Question&Answers more detail:os...

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

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590 views

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python - how to use django-background-tasks

I am making a django application. To calculate the rank of the feeds based on lines and comment, I am trying ... me to some existing documents. See Question&Answers more detail:os...

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

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698 views

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python - LXML - Sorting Tag Order

I have a legacy file format which I'm converting into XML for processing. The structure can be summarised as: <A> <A01>X< ... >C</B03> </B> </X> See Question&Answers more detail:os...

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

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772 views

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python - Remove Emoji's from multilingual Unicode text

I'm trying to remove just Emoji from Unicode text. I tried the various methods described in another Stack ... from international Unicode 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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524 views

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python - pyPdf ignores newlines in PDF file

I'm trying to extract each page of a PDF as a string: import pyPdf pages = [] pdf = pyPdf.PdfFileReader(file('g ... of PDF I'm trying to parse. See Question&Answers more detail:os...

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

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440 views

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python - How do I Index PDF files and search for keywords?

What I have is a bunch of PDFs (few 100s). They don't have a proper structure nor do they have ... suggest? Any input is much 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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307 views

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python - How can i use tensorflow object detection to only detect persons?

I've been trying to use tensorflow's object detection to try and set up a decent presence detection. I' ... () cap.release() break 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

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python - How LSTM deal with variable length sequence

I found a piece of code in Chapter 7,Section 1 of deep Deep Learning with Python as follow： from keras.models ... ,so just show it image): See Question&Answers more detail:os...

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

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408 views

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python - Extract scientific number from string

I am trying to extract scientific numbers from lines in a text file. Something like Example: str = 'Name of ... in advance for your 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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276 views

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python - Per-cell output for threaded IPython Notebooks

I don't want to raise this as an issue, because it seems like a completely unreasonable feature request for what ... the DOM to handle 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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