Recent questions tagged python

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python - How to plot two pandas time series on same plot with legends and secondary y-axis?

I want to plot two time series on the same plot with same x-axis and secondary y-axis. I have somehow ... ) plt.show() 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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python - Spark can access Hive table from pyspark but not from spark-submit

So, when running from pyspark i would type in (without specifying any contexts) : df_openings_latest = sqlContext. ... 6 running on Amazon EMR 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 - numpy/scipy analog of matlab's fminsearch

I am converting some Matlab code into python using numpy. Everything worked pretty smoothly but recently I ... code using this function 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 - Plotting Ellipsoid with Matplotlib

Does anyone have sample code for plotting ellipsoids? There is one for sphere on matplotlib site, but nothing for ... work that for ellipsoid. 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 - Nginx is throwing an 403 Forbidden on Static Files

I have a django app, python 2.7 with gunicorn and nginx. Nginx is throwing a 403 Forbidden Error, if I try to ... 19</center> </body> </html> 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 - Detect if a model has changed before calling save in Django

I have a database model that is being updated based on changes in remote data (via an HTML scraper). I ... easily maintain a changed timestamp? 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 - Activate and switch Anaconda environment in Dockerfile during build

I've been trying for hours and can't figure out how to activate and switch anaconda environments in a ... Docker building process? 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 - Reading realtime audio data into numpy array

how can I read real-time audio into numpy array and use matplotlib to plot ? Right Now I am recording audio ... do this directly in realtime? 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 - "DLL load failed" when import cv2 (opencv)

In [windows server 2012 R2 x64, python 3.7 64x] pip install opencv-contrib-python installed without any error . ... same reason vb (visual box) 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 toggle a certain step in sklearn pipeline?

I wonder if we can set up an "optional" step in sklearn.pipeline. For example, for a classification problem ... sklearn.grid_search? 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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246 views

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python - Flask handling a PDF as its own page

For my personal website, I want to have a separate page just for my résumé, which is a PDF. I've tried ... to get flask to handle a PDF. See Question&Answers more detail:os...

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

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201 views

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python - How can I implement asyncio websockets in a class?

I would like to connect to a websocket via asyncio and websockets, with a format as shown below. How would I be ... echo.receive()) # "Hello!" 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 - scrapy run spider from script

I want to run my spider from a script rather than a scrap crawl I found this page http://doc.scrapy.org/en ... put that script. any help please? See Question&Answers more detail:os...

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

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251 views

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python - cleanest way to glue generated Flask app code (Swagger-Codegen) to backend implementation

I have: a library that does [Stuff] a swagger API definition, which is roughly #1 with minor differences to ... 's been widely solved already! See Question&Answers more detail:os...

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

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357 views

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python - Convert scientific notation to decimals

I have numbers in a file (so, as strings) in scientific notation, like: 8.99284722486562e-02 but I want to convert ... any other way to do 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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332 views

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python - Cython setup.py for several .pyx

I would like to cythonize faster. Code for one .pyx is from distutils.core import setup from Cython.Build import ... setup.py in both cases ? 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 - VS Code error when importing Django module

I'm working on a web app and I use Django as framework. I'm using VS Code on a macOS. I get an ... E0401:Unable to import 'django.conf.urls' See Question&Answers more detail:os...

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

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303 views

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python - boto issue with IAM role

I'm trying to use AWS' recently announced "IAM roles for EC2" feature, which lets security credentials ... rs= conn.get_all_buckets() 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 - Transforming a row vector into a column vector in Numpy

Let's say I have a row vector of the shape (1, 256). I want to transform it into a column vector of the ... . How would you do it in Numpy? 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 - Django: When to customize save vs using post-save signal

I have a series of tests and cases in a database. Whenever a test is obsoleted, it gets end dated, and ... enddater = self.enddater case.save() See Question&Answers more detail:os...

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

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228 views

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python - Determining when a column value changes in pandas dataframe

I am looking to write a quick script that will run through a csv file with two columns and provide me the ... way of approaching this problem. 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 - quickly drop dataframe columns with only one distinct value

Is there a faster way to drop columns that only contain one distinct value than the code below? cols=df. ... after reaching 2 different values. See Question&Answers more detail:os...

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

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532 views

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python - Tensorflow indexing with boolean tensor

In numpy, with two arrays of the same shape, x and y, it is possible to do slices like this y[x ... right now or is that currently unsupported? See Question&Answers more detail:os...

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

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581 views

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python - Tkinter - Can't bind arrow key events

I am trying to bind the left and right arrow keys to an event in Tkinter, but when I run the program it ... mainloop() Why is this not working? 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 - Could not find a version that satisfies the requirement torch>=1.0.0?

Could not find a version that satisfies the requirement torch>=1.0.0 No matching distribution found for torch>=1.0.0 (from stanfordnlp) See Question&Answers more detail:os...

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

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353 views

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python - How to chain Django querysets preserving individual order

I'd like to append or chain several Querysets in Django, preserving the order of each one (not the result). I'm ... do you think I should go? See Question&Answers more detail:os...

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

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168 views

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python - Accessing validation data within a custom callback

I'm fitting a train_generator and by means of a custom callback I want to compute custom metrics on my ... =[metrics], verbose=1) See Question&Answers more detail:os...

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

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135 views

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python - Printing a utf-8 encoded string

I'm using BeautifulSoup to extract some text from an HTML but I just can't figure out how to print it properly to the ... 2.6.6 on Ubuntu 10.10. See Question&Answers more detail:os...

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

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