Recent questions tagged Python

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python - Why Anaconda does not recognize conda command?

I installed the latest version of Anaconda. Now I want to install OpenCV within it. When I type: conda install ... above command does not 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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482 views

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python - how to multiply multiple columns by a column in Pandas

I would like to have: df[['income_1', 'income_2']] * df['mtaz_proportion'] return those columns multiplied by df ... am I missing? 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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396 views

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python - select pandas rows by excluding index number

Not quite sure why I can't figure this out. I'm looking to slice a Pandas dataframe by using index ... any help will be greatly 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 - Creating labels where line appears in matplotlib figure

I have a figure created in matplotlib (time-series data) over which are a series of matplotlib.pyplot.axvline ... figure) these vertical 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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313 views

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python - Should I ignore the .idea folder when using PyCharm with Git?

I read about Git integration in PyCharm, and created a Git repository from PyCharm. I did this in PyCharm because ... folder be ignored or not? See Question&Answers more detail:os...

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

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342 views

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python - Django: Catching Integrity Error and showing a customized message using template

In my django powered app there is only one obvious case where "IntegrityError" can arise. So, how can I ... display a message using templates? See Question&Answers more detail:os...

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

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179 views

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python - Access index of last element in data frame

I've looking around for this but I can't seem to find it (though it must be extremely trivial). The problem ... a simple integer). Any ideas? See Question&Answers more detail:os...

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

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466 views

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python 3.x - __file__ does not exist in Jupyter Notebook

I'm on a Jupyter Notebook server (v4.2.2) with Python 3.4.2 and I want to use the global name __file__ ... (os.getcwd()) /home/ubuntu/notebooks See Question&Answers more detail:os...

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

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638 views

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python - Resource u'tokenizers/punkt/english.pickle' not found

My Code: import nltk.data tokenizer = nltk.data.load('nltk:tokenizers/punkt/english.pickle') ERROR Message: [ ... mentioned in my above steps. See Question&Answers more detail:os...

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

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216 views

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python - How to do math in a Django template?

I want to do this: 100 - {{ object.article.rating_score }} So for example, the output would be 20 if {{ ... 't have access to the Python code. 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 - How To Check If A Key in **kwargs Exists?

Python 3.2.3. There were some ideas listed here, which work on regular var's, but it seems **kwargs play ... if a particular key is there? See Question&Answers more detail:os...

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

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273 views

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python - Longest Prefix Matches for URLs

I need information about any standard python package which can be used for "longest prefix match" on URLs. I have ... s increases. Thanks a lot. See Question&Answers more detail:os...

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

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383 views

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python - How to get high and low envelope of a signal

I have quite a noisy data, and I am trying to work out a high and low envelope to the signal. It is ... between MATLAB and 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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296 views

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python - creating a matplotlib scatter legend size related

I am looking for a way to include a (matplotlib) legend that describe the size of points in a scatter plot ... to s descriptor in scatter. See Question&Answers more detail:os...

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

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231 views

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python - Producing spectrogram from microphone

Below I have code that will take input from a microphone, and if the average of the audio block ... spectrogram generated from my program: See Question&Answers more detail:os...

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

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521 views

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python - Plot PCA loadings and loading in biplot in sklearn (like R's autoplot)

I saw this tutorial in R w/ autoplot. They plotted the loadings and loading labels: autoplot(prcomp(df), data ... ["PC2"], color=color_list) See Question&Answers more detail:os...

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

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361 views

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python - Custom headers in Phantomjs Selenium WebDriver

According to this it is possible now to modify headers. Atm i need to modify Accept-Language in PhantomJS ... phantomjs or phantomjs-webdriver. See Question&Answers more detail:os...

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

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485 views

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python - Selecting columns from pandas.HDFStore table

How can I retrieve specific columns from a pandas HDFStore? I regularly work with very large data sets that ... the columns somehow. 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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532 views

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python - Pandas Dataframes to_html: Highlighting table rows

I'm creating tables using the pandas to_html function, and I'd like to be able to highlight the bottom row ... created? Any help is 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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317 views

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python - Multiple-output Gaussian Process regression in scikit-learn

I am using scikit learn for Gaussian process regression (GPR) operation to predict data. My training data are as ... it due to wrong code? 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 - homepage login form Django

I want to create a homepage with a header that asks to login with username/password and a login button ... views.auth_view'), #authorize login See Question&Answers more detail:os...

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

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256 views

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python - How to plot 2d math vectors with matplotlib?

How can we plot 2D math vectors with matplotlib? Does anyone have an example or suggestion about that? I ... plot 2d vectors with matplotlib: 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 - Pruning Decision Trees

Below is a snippet of the decision tree as it is pretty huge. How to make the tree stop growing when the lowest value in a ... 6/0 0/4 2/2 3/3 See Question&Answers more detail:os...

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

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273 views

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python - SUDS - programmatic access to methods and types

I'm investigating SUDS as a SOAP client for python. I want to inspect the methods available from a specified ... anyone have some sample code? See Question&Answers more detail:os...

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

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284 views

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python - Efficiently write a Pandas dataframe to Google BigQuery

I'm trying to upload a pandas.DataFrame to Google Big Query using the pandas.DataFrame.to_gbq() function ... output_rows, dataset_id, table_id)) See Question&Answers more detail:os...

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

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636 views

1 answer

python - How to show the whole image when using OpenCV warpPerspective

I have 2 test images here. My is question is, how to map the square in first image to the quadrilateral in ... get whole picture of image 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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189 views

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python - Django, jQuery, and autocomplete

After some extensive research (Googling), I cannot find a current tutorial on how to set up autocomplete ... simple to utilize. Suggestions? See Question&Answers more detail:os...

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

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798 views

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python - Configuring Pycharm to run Pyinstaller

Yes I want to create a run configuration in PyCharm to run Pyinstaller and get my executable. According to the ... how would that look like? See Question&Answers more detail:os...

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

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