Recent questions tagged Python

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python - Integrating a multidimensional integral in scipy

Motivation: I have a multidimensional integral, which for completeness I have reproduced below. It comes from the ... way to 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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python - Fast interpolation of grid data

I have a large 3d np.ndarray of data that represents a physical variable sampled over a volume in a regular grid ... I want to interpolate to? 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 analyze all duplicate entries in this Pandas DataFrame?

I'd like to be able to compute descriptive statistics on data in a Pandas DataFrame, but I only care about ... the key1,key2,data info)? 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 2.7 - OS.symlink support in windows

I downloaded python 2.7.1 from the python website and installed it to windows. When attempting to symlink a file ... I'm running windows Vista. 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 - Fast convert JSON column into Pandas dataframe

I'm reading data from a database (50k+ rows) where one column is stored as JSON. I want to extract that into ... where each JSON key is a column 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 - Keras: How to use fit_generator with multiple outputs of different type

In a Keras model with the Functional API I need to call fit_generator to train on augmented images data using an ... 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 - TensorFlow Object Detection API Weird Behavior

I was playing with TensorFlow's brand new Object Detection API and decided to train it on some other publicly available ... 11 name: '11' } 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 do I add a kernel on a remote machine in IPython (Jupyter) Notebook?

Dropdown menu in the top-right of the UI on a local machine (PC): Kernel-> Change kernel-> Python 2 (on a ... My new kernel (on a remote PC) 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 - In regex, what does w* mean?

In Python. r^[w*]$ whats that mean? 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 - Parsing a tweet to extract hashtags into an array

I am having a heck of a time taking the information in a tweet including hashtags, and pulling each hashtag into ... 3 hashtags into an array. 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 - Load text file as strings using numpy.loadtxt()

I would like to load a big text file (around 1 GB with 3*10^6 rows and 10 - 100 columns) as a 2D np ... of columns in my file on beforehand.) 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 - Remove row with null value from pandas data frame

I'm trying to remove a row from my data frame in which one of the columns has a value of null. Most ... . Any advice would be much 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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python - How to remove rows in a Pandas dataframe if the same row exists in another dataframe?

I have two dataframes: df1 = row1;row2;row3 df2 = row4;row5;row6;row2 I want my output dataframe to only contain ... (found)) a = a[match_ident] See Question&Answers more detail:os...

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

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107 views

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python - List comprehension for running total

I want to get a running total from a list of numbers. For demo purposes, I start with a sequential list of ... this, like a list comprehension? 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 make a script automatically restart itself?

How do you make a python program automatically restart itself? So let's say there is a really simple program like ... having to manually do 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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641 views

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python - How to read a RSA public key in PEM + PKCS#1 format

I have a RSA public key in PEM format + PKCS#1(I guess): -----BEGIN RSA PUBLIC KEY----- ... support PKCS#1 but only X.509. See Question&Answers more detail:os...

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

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219 views

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python - Combining Devanagari characters

I have something like a = "?????? ???? ??? ??" I want to achieve something like a[0] = ?? a[1 ... what could be done to achieve that? In Python. 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 does mask_zero in Keras Embedding layer work?

I thought mask_zero=True will output 0's when the input value is 0, so the following layers could skip computation or ... 0 0 0 0 0]]] See Question&Answers more detail:os...

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

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233 views

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python - How to read line by line in pdf file using PyPdf?

I have some code to read from a pdf file. Is there a way to read line by line from the pdf file (not pages) ... ignore") f.write(pdfl) f.close() 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 - Immutable dictionary, only use as a key for another dictionary

I had the need to implement a hashable dict so I could use a dictionary as a key for another dictionary. A ... what would be a better solution? See Question&Answers more detail:os...

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

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1.1k views

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python - aws lambda Unable to import module 'lambda_function': No module named 'requests'

I have recently started to use AWS Lambda to use triggers against some python code I have written. I currently ... what the issue might be? See Question&Answers more detail:os...

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

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341 views

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python - Is it possible to use argparse to capture an arbitrary set of optional arguments?

Is it possible to use argparse to capture an arbitrary set of optional arguments? For example both the ... would handle them accordingly. See Question&Answers more detail:os...

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

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472 views

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python - remove colorbar from figure in matplotlib

This should be easy but I'm having a hard time with it. Basically, I have a subplot in matplotlib ... any suggestions? Much appreciated! Adam See Question&Answers more detail:os...

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

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164 views

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python - applying regex to a pandas dataframe

I'm having trouble applying a regex function a column in a python dataframe. Here is the head of my dataframe: ... for any help 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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388 views

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python - Connect Sphinx autodoc-skip-member to my function

I want to use sphinx's autodoc-skip-member event to select a portion of the members on a certain python ... simple example would be ideal. See Question&Answers more detail:os...

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

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308 views

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python - I can "pickle local objects" if I use a derived class?

The pickle reference states that the set of objects which can be pickled is rather limited. Indeed, I have a ... local objects" to be pickled? See Question&Answers more detail:os...

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

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555 views

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python - How do I use xml namespaces with find/findall in lxml?

I'm trying to parse content in an OpenOffice ODS spreadsheet. The ods format is essentially just a zipfile with a ... , token)) KeyError: ':' See Question&Answers more detail:os...

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

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719 views

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python - "cryptography is required for sha256_password or caching_sha2_password"

Good day. Hope your all are well. Can someone help me with fix this? I'm new to the MySQL environment. ... print(e) finally: connection.close() See Question&Answers more detail:os...

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

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