Recent questions tagged Python

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python - Postgresql DROP TABLE doesn't work

I'm trying to drop a few tables with the "DROP TABLE" command but for a unknown reason, the program just ... left from Products to Bill). 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 - Imshow subplots with the same colorbar

I want to make 4 imshow subplots but all of them share the same colormap. Matplotlib automatically adjusts the ... same scale on the colormap? 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 - Pandas dataframe to json without index

I'm trying to take a dataframe and transform it into a partcular json format. Here's my dataframe example: ... Any help would be 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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python - Tensorflow Allocation Memory: Allocation of 38535168 exceeds 10% of system memory

Using ResNet50 pre-trained Weights I am trying to build a classifier. The code base is fully implemented in ... this warning message? 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 - scikit-learn: how to scale back the 'y' predicted result

I'm trying to learn scikit-learn and Machine Learning by using the Boston Housing Data Set. # I splitted the ... welcome. Thank you very much. See Question&Answers more detail:os...

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

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281 views

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python - Get original indices of a sorted Numpy array

I have an array of distances a = np.array([20.5 ,5.3 ,60.7 ,3.0 ], 'double') and I need the indices ... Is there a function in Numpy to do that? 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 - setup.py: renaming src package to project name

Let's say you have a project called proj and in this project you have the following structure: proj/ dists/ ... goal and the expected 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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python - How to create a temporary file that can be read by a subprocess?

I'm writing a Python script that needs to write some data to a temporary file, then create a subprocess running ... subprocess can get at it? 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 do I find the name of the conda environment in which my code is running?

I'm looking for a good way to figure out the name of the conda environment I'm in from within running ... /appropriate way to accomplish 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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python - Making django server accessible in LAN

I have installed Django server and it can be accessed as below http://localhost:8000/get-sms/ http://127.0 ... I need something extra in Django See Question&Answers more detail:os...

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

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734 views

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python - Error "Read-only file system" in AWS Lambda when downloading a file from S3

I'm seeing the below error from my lambda function when I drop a file.csv into an S3 bucket. The file is ... the file is renamed to file.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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792 views

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python - gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3> django

I have a django app and trying to set it up with gunicorn first and later with supervisor and nginx. The ... encountered and whats the fix ? See Question&Answers more detail:os...

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

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607 views

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python - How to fix RuntimeError "Expected object of scalar type Float but got scalar type Double for argument"?

I'm trying to train a classifier via PyTorch. However, I am experiencing problems with training when I feed ... -= learning_rate * param.grad See Question&Answers more detail:os...

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

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136 views

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python - Set logging levels

I'm trying to use the standard library to debug my code: This works fine: import logging logging.basicConfig( ... response for neither of those. See Question&Answers more detail:os...

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

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447 views

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python - Flask-SQLAlchemy how to delete all rows in a single table

How do I delete all rows in a single table using Flask-SQLAlchemy? Looking for something like this: >>> ... '__builtin__.list' is not mapped See Question&Answers more detail:os...

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

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294 views

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python - How to surround selected text in PyCharm like with Sublime Text

Is there a way to configure PyCharm to be able to surround selected code with parenthesis by just typing on the ... when we use SublimText 2? See Question&Answers more detail:os...

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

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123 views

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python - Why does ~True result in -2?

In Python console: ~True Gives me: -2 Why? Can someone explain this particular case to me in binary? See Question&Answers more detail:os...

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

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415 views

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python 2.7 - Google Endpoints API + Chrome Extension returns None for endpoints.get_current_user().user_id()

I am developing Google App Engine application written in Python and using Endpoints API. In conjunction, I am writing a ... id was not found.". See Question&Answers more detail:os...

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

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657 views

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python - dynamically adding and removing widgets in PyQt

using PyQt, I am trying to create an interface for which I can add or remove widget dynamically. I want to ... any results? Any ideas? 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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478 views

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python - Understanding Gaussian Mixture Models

I am trying to understand the results from the scikit-learn gaussian mixture model implementation. Take a look at the ... a lot for any input! See Question&Answers more detail:os...

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

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523 views

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python - How do I find the frequency count of a word in English using WordNet?

Is there a way to find the frequency of the usage of a word in the English language using WordNet or NLTK using ... the usage in today's time. See Question&Answers more detail:os...

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

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309 views

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python - Indicating the statistically significant difference in bar graph

I use a bar graph to indicate the data of each group. Some of these bars differ significantly from each other. How can ... D') ) I am aiming for 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 do I store a TfidfVectorizer for future use in scikit-learn?

I have a TfidfVectorizer that vectorizes collection of articles followed by feature selection. vectroizer = ... a model persistent. See Question&Answers more detail:os...

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

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209 views

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python - Find the closest latitude and longitude

I'm writing a small program and to improve efficiency, I need to be able to find the closest latitude and ... not entirely sure how. 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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422 views

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python - Flask-RESTful - Upload image

I was wondering on how do you upload files by creating an API service? class UploadImage(Resource): def post( ... can use CURL statements too! See Question&Answers more detail:os...

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

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336 views

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python - Windows explorer context menus with sub-menus using pywin32

I'm trying add some shell extensions using python with icons and a sub menu but I'm struggling ... , finalize_unregister = DllUnregisterServer) See Question&Answers more detail:os...

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

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269 views

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python - pandas: extract date and time from timestamp

I have a timestamp column where the timestamp is in the following format 2016-06-16T21:35:17.098+01:00 I want to ... . Now how do I fix 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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360 views

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python 2.7 - SWIG and C++ memory leak with vector of pointers

I am using SWIG to interface between C++ and Python. I have created a function which creates a std::vector of ... and Python 2.7 on Windows. See Question&Answers more detail:os...

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

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