Recent questions tagged Python

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python - Finding all paths/walks of given length in a networkx graph

I'm using networkx and trying to find all the walks with length 3 in the graph, specifically the paths with three ... of a graph for an example: 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 - Using rolling_apply on a DataFrame object

I am trying to calculate Volume Weighted Average Price on a rolling basis. To do this, I have a function ... DataFrame to solve my problem? 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 - Reproducible results using Keras with TensorFlow backend

I am using Keras to build a deep learning LSTM model, using TensorFlow backend. Each time I run the model ... reproducible results? 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 - storing uploaded photos and documents - filesystem vs database blob

My specific situation Property management web site where users can upload photos and lease documents. For every ... ? Thanks 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 - What is the difference between Series.replace and Series.str.replace?

Oftentimes I am tasked with performing some sort of replace or substitution operation on data in a Series or ... /caveats of using either? 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 - Difference between "as_index = False", and "reset_index()" in pandas groupby

I just wanted to know what is the difference in the function performed by these 2. Data: import pandas as ... any example illustrating the same? 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 - Find indices of duplicate rows in pandas DataFrame

What is the pandas way of finding the indices of identical rows within a given DataFrame without iterating over individual rows? ... 4), (3, 5)] 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 - NLTK Thinks that Imperatives are Nouns

I'm using the pos_tagger on recipes. A problem I'm having is that the pos_tagger returns that words in the ... Or am I doing something wrong? 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 - Python3 sleep() problem

I was writing a simple program on Python 3.1 and I stumbled upon this: If I run this on the IDLE it ... the IDLE in both windows and linux. 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 - Throttling with urllib2

is it possible to easily cap the kbps when using urllib2? If it is, any code examples or resources you ... to would be greatly appreciated. See Question&Answers more detail:os...

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

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450 views

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python - Matplotlib: show labels for minor ticks also

In matplotlib, when I use a log scale on one axis, it might happen that that axis will have no major ticks, only ... but it didn't do the trick. See Question&Answers more detail:os...

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

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365 views

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python - django-rest-framework HyperlinkedIdentityField with multiple lookup args

I have the following URL in my urlpatterns: url(r'^user/(?P<user_pk>[0-9]+)/device/(?P<uid>[0-9a- ... more URL template items? (lookup fields)? 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 - Do I have Numpy 32 bit or 64 bit?

How do I check if my installed numpy version is 32bit or 64bit? Bonus Points for a solution which works ... script and is system independent. See Question&Answers more detail:os...

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

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168 views

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python - Generating natural schedule for a sports league

I'm looking for an algorithm to generate a schedule for a set of teams. For example, imagine a sports season in which ... %-20s' % (ht, at) See Question&Answers more detail:os...

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

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237 views

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python - Find starting and ending indices of sublist in list

I have a list: greeting = ['hello','my','name','is','bob','how','are','you'] I want to define ... ], greeting) should return: 1, 3 Suggestions? See Question&Answers more detail:os...

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

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272 views

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python - How to prevent xml.ElementTree fromstring from dropping commentnode

I have tho following code fragment: from xml.etree.ElementTree import fromstring,tostring mathml = fromstring( ... proper namespace operations) See Question&Answers more detail:os...

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

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252 views

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python - Converting NumPy array to a set takes too long

I'm trying to execute the following from numpy import * x = array([[3,2,3],[711,4,104],......... ... I mean basically both have complexity O(n)? 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 obtain a plain text Django error page

During development, I am running Django in Debug mode and I am posting data to my application using a text mode ... Server Error as plain text? See Question&Answers more detail:os...

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

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316 views

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python - Encoding problem in app engine when submitting multipart/form-data forms

I have a simple form that submits a image to the blobstore and a title for the image. This works on my local ... design and split up the forms. See Question&Answers more detail:os...

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

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189 views

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python - Removing rows with duplicates in a NumPy array

I have a (N,3) array of numpy values: >>> vals = numpy.array([[1,2,3],[4,5,6],[7,8,7],[0,4, ... quite large). Anyone know how I could do 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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258 views

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python - How to make ttk.Treeview's rows editable?

Is there any way to use ttk Treeview with editable rows? I mean it should work more like a table. For ... this in tkdocs or other documents. See Question&Answers more detail:os...

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

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191 views

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python - aysncio cannot read stdin on Windows

I'm trying to read stdin asynchronously on Windows 7 64-bit and Python 3.4.3 I tried this inspired by an ... stdin using asyncio on Windows... See Question&Answers more detail:os...

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

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995 views

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python - csv: writer.writerows() splitting my string inputs

I have a list of strings which I would like to write to a csv file. The list list_results looks like ['False ... Preferably in format %s %d %d ? See Question&Answers more detail:os...

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

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658 views

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python - ImportError: No module named mysite.settings (Django)

I have installed Django and mod_wsgi-express on an ubuntu 15.10. Basically (notice I did not do this as root): ... .append("/home/user/mysite") See Question&Answers more detail:os...

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

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333 views

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python - Tensorflow on windows - ImportError: DLL load failed: The specified module could not be found

I'm using Anaconda 3.1.0 on Windows 7 64 bit. I have installed tensorflow(GPU). I am getting errors ... error message when asking for help. See Question&Answers more detail:os...

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

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479 views

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python - Paramiko: read from standard output of remotely executed command

so I was working with paramiko for some basic SSH testing and I'm not getting any output into stdout. Heres my ... help me out here? Thanks! See Question&Answers more detail:os...

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

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539 views

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python - Could not install packages due to an EnvironmentError: [Errno 2]

I`ve recently started having problems with pip installs. Every time I run this kind of command in Terminal, ... pip install gender-guesser. See Question&Answers more detail:os...

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

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416 views

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python - How to avoid NLTK's sentence tokenizer splitting on abbreviations?

I'm currently using NLTK for language processing, but I have encountered a problem of sentence tokenizing. Here ... adding my own abbreviations. See Question&Answers more detail:os...

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

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