Recent questions tagged Python

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python - How to list all class properties

I have class SomeClass with properties. For example id and name: class SomeClass(object): def __init__(self): ... I need this for serialization. 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 - Django Rest Framework - Missing Static Directory

I have recently started a Digital Ocean server with a pre-installed Django image on Ubuntu 14.04. I wanted to ... you in advance for your 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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python - Seaborn boxplot + stripplot: duplicate legend

One of the coolest things you can easily make in seaborn is boxplot + stripplot combination: import matplotlib. ... it in the documentation. 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 - Finding gradient of a Caffe conv-filter with regards to input

I need to find the gradient with regards to the input layer for a single convolutional filter in a convolutional ... How can I achieve 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 - Pandas Dataframe Find Rows Where all Columns Equal

I have a dataframe that has characters in it - I want a boolean result by row that tells me if all columns ... that equals 1? 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 - django Datefield to Unix timestamp

In a model I have a such field: mydate = models.DateField() now a javascript graph function requires unix ... of my mydate input. 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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python - Normalizing a pandas DataFrame by row

What is the most idiomatic way to normalize each row of a pandas DataFrame? Normalizing the columns is easy, so one ... (axis=1) from doing 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 - How to unpack a Series of tuples in Pandas?

Sometimes I end up with a series of tuples/lists when using Pandas. This is common when, for example, doing ... the extra step of squeezing it. 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 install CUDA in Google Colab GPU's

It seems that Google Colab GPU's doesn't come with CUDA Toolkit, how can I install CUDA in Google Colab ... the full traceback. SystemExit: 1 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 - Big Sur clang "invalid version" error due to MACOSX_DEPLOYMENT_TARGET

I assume due to the fact Big Sur is sparkling new hotfixes for the new OS have not yet happen. When attempting to ... 5) does not work as well. See Question&Answers more detail:os...

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

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259 views

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python - Use pdb.set_trace() in a script that reads stdin via a pipe

I have a python script that reads stdin via a pipe, and I cannot seem to use it with pdb.set_trace(). my_script ... ), but I need more 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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python - Deleting a div with a particlular class using BeautifulSoup

I want to delete the specific div from soup object. I am using python 2.7 and bs4. According to documentation ... a div with specific class? 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 - Convert a numpy.ndarray to string(or bytes) and convert it back to numpy.ndarray

I'm having a little trouble here, I'm trying to convert a numpy.ndarray to string, I've already done ... message in rabbitmq (pika library) See Question&Answers more detail:os...

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

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174 views

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python - virtualenv Env not creating bin directory in Windows 7

I'm a newbie to Python and I've spent hours on this. I can't seem to figure out why when I run a simple ... 'm using Windows 7 and Python 2.7. 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 default list argument to dataclasses

I would like to pass default argument in my class, but somehow I am having problem: from dataclasses import dataclass ... What am I doing 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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382 views

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python - How to prevent "ImportError: No module named oauth2client.client" on Google App Engine?

We are receiving an error: ImportError: No module named OAuth2Client We have noticed scores of questions around this ... work on App Engine? See Question&Answers more detail:os...

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

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135 views

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python - Handle either a list or single integer as an argument

A function should select rows in a table based on the row name (column 2 in this case). It should be ... == to_select: table.selectRow(row) See Question&Answers more detail:os...

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

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648 views

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python - Catch "socket.error: [Errno 111] Connection refused" exception

How could I catch socket.error: [Errno 111] Connection refused exception ? try: senderSocket.send("Hello") except ?????: print "catch !" See Question&Answers more detail:os...

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

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640 views

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python - How to increase node spacing for networkx.spring_layout

Drawing a clique graph with import networkx as nx .... nx.draw(G, layout=nx.spring_layout(G)) produces the ... method to get a better drawing? 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 - pip3 "TypeError: 'module' object is not callable" after update

I am new in Python, I wanna install Jupyter Notebook in my console I enter the following: pip3 install -- ... use sudo apt install python3-pip See Question&Answers more detail:os...

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

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148 views

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python - Using RabbitMQ is there a way to look at the queue contents without a dequeue operation?

As a way to learn RabbitMQ and python I'm working on a project that allows me to distribute h264 encodes between ... it later to see the queue. See Question&Answers more detail:os...

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

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116 views

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python - Convert a string key to int in a Dictionary

My question is very similar to this one, except I have a dictionary of lists and I'm interested in changing ... do it directly at loading time? See Question&Answers more detail:os...

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

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158 views

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python - How to make HTTP DELETE method using urllib2?

Does urllib2 support DELETE or PUT method? If yes provide with any example please. I need to use piston API. See Question&Answers more detail:os...

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

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348 views

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python - How do I pass template context information when using HttpResponseRedirect in Django?

I have a form that redirects to the same page after a user enters information (so that they can continue ... I'm missing something obvious. See Question&Answers more detail:os...

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

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113 views

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python - Print only the message on warnings

I'm issuing lots of warnings in a validator, and I'd like to suppress everything in stdout except the message ... _warning warnings.warn('foo') See Question&Answers more detail:os...

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

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152 views

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python - How to apply "first" and "last" functions to columns while using group by in pandas?

I have a data frame and I would like to group it by a particular column (or, in other words, by values from ... "np". Should I import it? See Question&Answers more detail:os...

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

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243 views

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python - How to swap two DataFrame columns?

In MATLAB, to swap the first and second columns of a table A, one would do this1 A = A(:, [2 1 3: ... instead? 1 MATLAB uses 1-based indexing. See Question&Answers more detail:os...

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

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434 views

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python - Opencv - Grayscale mode Vs gray color conversion

I am working in opencv(2.4.11) python(2.7) and was playing around with gray images. I found an ... when working with bad quality images. See Question&Answers more detail:os...

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

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