Recent questions tagged PYTHON

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I want to extract some data (e.g. scalars) from a VTK file along with their coordinates on the grid then ... the basics of handling VTK files 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 - Keras - Input a 3 channel image into LSTM

I have read a sequence of images into a numpy array with shape (7338, 225, 1024, 3) where 7338 is the ... image into an LSTM layer in Keras? 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 can I unit test responses from the webapp WSGI application in Google App Engine?

I'd like to unit test responses from the Google App Engine webapp.WSGIApplication, for example request the url '/ ... work within the sandbox). 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 - Pass a 2d numpy array to c using ctypes

What is the correct way to pass a numpy 2d - array to a c function using ctypes ? My current approach so far ( ... (np.double) liblr.test(x, 10) 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 - Clojure Jython interop

I was wondering if anyone has tried somehow calling Jython functions from within Clojure, and how you went about ... doing this. Thanks, Rob See Question&Answers more detail:os...

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

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299 views

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python - Using PyKalman on Raw Acceleration Data to Calculate Position

This is my first question on Stackoverflow, so I apologize if I word it poorly. I am writing code to take raw ... Filter? Thank you 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 retrieve the selected text from the active window

I am trying to create a simple open source utility for windows using Python that can perform user-defined ... ) print wnd.GetWindowText() 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 - Efficiently finding the shortest path in large graphs

I'm looking to find a way to in real-time find the shortest path between nodes in a huge graph. It ... for performing bfs in undirected graphs. 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 - Uploading images using Django Admin?

Is there an easy way to include file upload capabilities to the admin interface in Django? I saw this question ... on my Django/Python. 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 - Transactions and sqlalchemy

I am trying to figure out how to insert many (in the order of 100k) records into a database using ... self): self.transaction.commit() 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 - Is there a built-in KL divergence loss function in TensorFlow?

I have two tensors, prob_a and prob_b with shape [None, 1000], and I want to compute the KL divergence from ... what would be a good workaround? 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 - Is it possible to print a string at a certain screen position inside IDLE?

EDIT: I just discovered that it's possible to obtain a similar behaviour by using the standard library "curses". ... better :-) Thank you. 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 - Parsing a table with rowspan and colspan

I have a table that I need to parse, specifically it is a school schedule with 4 blocks of time, and 5 blocks of days ... OOP Aud. 7' , ' '] ] 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 - Filter lines from a text file which contain a particular word

I want to write a program which filters the lines from my text file which contain the word "apple" and write ... , whereas I want whole lines. See Question&Answers more detail:os...

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

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477 views

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python - spline interpolation coefficients of a line curve in 3d space

I am new to python. I have a line curve in the 3D space defined by a set of given points. Can anyone ... call the function to call the knots See Question&Answers more detail:os...

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

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347 views

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python - Installing PIL to use with Django on Mac OS X

I'm really annoyed by installation of PIL (Python Imaging Library) on Mac OS X 10.6. Does anyone have it ... PIL... Thanks in advance. Ignas See Question&Answers more detail:os...

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

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267 views

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python - Using tf.unpack() when first dimension of Variable is None

I'm feeding in a dynamic shaped Tensor using: x = tf.placeholder(tf.int32, shape=[None, vector_size]) I need ... of Tensors? 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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414 views

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python - What does the value of 'leaf' in the following xgboost model tree diagram means?

I am guessing that it is conditional probability given that the above (tree branch) condition exists. However ... decision-trees-xgboost-python/ See Question&Answers more detail:os...

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

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200 views

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python - How to find the source of increasing memory usage of a twisted server?

I have an audio broadcasting server written in Python and based on Twisted. It works fine, but its memory usage is ... Oops... Still going up 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 - Tunneling httplib Through a Proxy

I am trying to figure out how to send data to a server through a proxy. I was hoping this would be possible ... is set. Thanks 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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315 views

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python - How to use cherrypy as a web server for static files?

Is it any easy way to use CherryPy as an web server that will display .html files in some folder? All ... instead of HelloWorld.index() method? See Question&Answers more detail:os...

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

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349 views

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python - PIL's colour space conversion YCbCr -> RGB

The algorithm used by PIL v1.1.7 gives 'washed out' looking results. When converting the same source data ... .astype('uint8') return result See Question&Answers more detail:os...

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

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528 views

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python - Convert date to float for linear regression on Pandas data frame

It seems that for OLS linear regression to work well in Pandas, the arguments must be floats. I'm starting with ... linearly on date and city). See Question&Answers more detail:os...

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

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317 views

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python - How do I use a minimization function in scipy with constraints

I need some help regarding optimisation functions in python(scipy) the problem is optimizing f(x) where x=[a, ... sharpeMax=getSharpe(i) lmax=i 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 use Google's repo tool on MS Windows OS?

I installed git for windows and it works fine(e.g. use one of the following solutions Want to download a Git ... try to use it as 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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473 views

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python - Resident Set Size (RSS) limit has no effect

The following problem occurs on a machine running Ubuntu 10.04 with the 2.6.32-22-generic kernel: Setting a ... (user process limit) does work. See Question&Answers more detail:os...

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

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441 views

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python - MIMEText UTF-8 encode problems when sending email

Here is a part of my code which sends an email: servidor = smtplib.SMTP() servidor.connect(HOST, PORT) ... in the Subject of MIMEText? 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 - Improve PySpark DataFrame.show output to fit Jupyter notebook

Using PySpark in a Jupyter notebook, the output of Spark's DataFrame.show is low-tech compared to how ... to pandas.DataFrame obviously)? See Question&Answers more detail:os...

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

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