Recent questions tagged Python

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python - Fast Information Gain computation

I need to compute Information Gain scores for >100k features in >10k documents for text classification. Code below ... Anyone has an idea?? 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 - Python3 Django -> HTML to PDF

There are a lot of different ways of generating pdfs from a django webpage in python2. The most clean, probably ... able to finde such a library 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 lambda layer in keras?

I want to define lambda layer to combine features with cross product, then merge those models,just like the ... like tensorflow using 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 - Anaconda prompt closes immediately - the system was unable to find the specified registry key or value

I'm having an issue with the Anaconda prompt. Everything was find until I created a new environment with ... the issue before today. 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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653 views

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python - Plotting a heat map from three lists: X, Y, Intensity

I don't get how to create a heatmap (or contour plot) when I have x, y, intensity. I have a file ... my head against a keyboard, 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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522 views

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python - Matplotlib's fill_between doesnt work with plot_date, any alternatives?

I want to create a plot just like this: The code: P.fill_between(DF.start.index, DF.lwr, DF.upr, ... workaround? DF is a pandas DataFrame. 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 - Running function 5 seconds after pygtk widget is shown

How to run function 5 seconds after pygtk widget is shown? 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 unicode rendering: how to know if a unicode character is missing from the font

In Python when I render a unicode character, e.g. a Chinese character, with a selected font, sometimes the ... human judgement of the output. 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 include libgtk2.0-dev and pkg-config in cmake when installing openCV on Ubuntu 16

I know there are many topics on how to install OpenCV-Python. I went over many of them and they helped ... opencv from the official site. 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 - Solving a cubic equation

As part of a program I'm writing, I need to solve a cubic equation exactly (rather than using a numerical ... to work on arrays of coefficients. See Question&Answers more detail:os...

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

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658 views

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python - How to fix "invalid argument: invalid 'expiry'" in Selenium when adding cookies to a chromedriver?

I'm trying to add cookies to a browser, but getting the following error: Message: invalid argument: invalid ' ... 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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421 views

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python - How does spacy lemmatizer works?

For lemmatization spacy has a lists of words: adjectives, adverbs, verbs... and also lists for exceptions: ... Here it can be tested. See Question&Answers more detail:os...

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

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408 views

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python - How to remove all empty fields in a nested dict?

If I have a dict, which field's values may also be a dict or an array. How can I remove all empty fields in it? ... "result": { "apple": 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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328 views

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python - Travelling Salesman in scipy

How do I solve a Travelling Salesman problem in python? I did not find any library, there should be a ... this will take forever. 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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293 views

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python - filter pandas dataframe by time

I have a pandas dataframe which I want to subset on time greater or less than 12pm. First i convert my ... because time is a string object. See Question&Answers more detail:os...

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

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252 views

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python - How to change element class attribute value using selenium

I lost my credentials.. so I'm creating this new thread. The old question it here if it helps: How to ... https://faucetbox.com/en/list/BTC See Question&Answers more detail:os...

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

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556 views

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python - Keeping GUIs responsive during long-running tasks

Keeping the GUI responsive while the application does some CPU-heavy processing is one of the challenges of effective ... API) are also welcome. See Question&Answers more detail:os...

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

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456 views

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python 3.x - How can I use tensorboard with tf.estimator.Estimator

I am considering to move my code base to tf.estimator.Estimator, but I cannot find an example on how ... .summary.FileWriter or something else? See Question&Answers more detail:os...

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

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438 views

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python - Comparison of R, statmodels, sklearn for a classification task with logistic regression

I have made some experiments with logistic regression in R, python statmodels and sklearn. While the results ... these differences. 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 - Fix position of subset of nodes in NetworkX spring graph

Using Networkx in Python, I'm trying to visualise how different movie critics are biased towards certain production ... .01) plt.show() See Question&Answers more detail:os...

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

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597 views

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python - add hyperlink to excel sheet created by pandas dataframe to_excel method

I have converted a pandas DataFrame to an Excel sheet using df.to_excel. Now, I want to add hyperlinks to the ... the value in this cell). See Question&Answers more detail:os...

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

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631 views

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python - Non blocking read on os.pipe on Windows

This question - How to read from an os.pipe() without getting blocked? - shows a solution how to check if ... contents of os.pipe 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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277 views

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python - Convert JSON API response to pandas Dataframe

I'm struggling to convert a JSON API response into a pandas Dataframe object. I've read answers to ... be directed to good documentation. 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 - Embedding Python3 in Qt 5

I would like to embed Python interpreter 3.4 into a Qt 5.2.1 application (64-bit). However I'm having ... can live together happily ever after ? 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 - mask a 2D numpy array based on values in one column

Suppose I have the following numpy array: a = [[1, 5, 6], [2, 4, 1], [3, 1, 5]] I want to ... array operations? How can one do it? 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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209 views

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python - Plot equation showing a circle

The following formula is used to classify points from a 2-dimensional space: f(x1,x2) = np.sign(x1^2+x2 ... transforming the equation to a plot. See Question&Answers more detail:os...

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

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511 views

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python - Adding pandas columns to a sparse matrix

I have additional derived values for X variables that I want to use in my model. XAll = pd_data[['title',' ... dataframe to a sparse csr matrix? See Question&Answers more detail:os...

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

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620 views

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python - How to invoke Cloud Function from Cloud Scheduler with Authentication

I've looked everywhere and it seems people either use pubsub, app engine http or http with no auth. Not too many ... did this to make it 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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