Recent questions tagged Python

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I know this question was already asked several times, but I just can't get it to work. I already spent half a ... else... Thanks for any hint 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 - Adding row/column headers to NumPy arrays

I have a NumPy ndarray to which I would like to add row/column headers. The data is actually 7x12x12, but I ... zeros as the strings I want. 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 - Apache SetEnv not working as expected with mod_wsgi

In a flask application I wrote, I make use of an external library which can be configured using environment ... not found in os.environ? 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 - Apache SetEnv not working as expected with mod_wsgi

In a flask application I wrote, I make use of an external library which can be configured using environment ... not found in os.environ? 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: install lxml with Python2.6 on CentOS

I have installed Python 2.6.6 on CentOS 5.4, [@SC-055 lxml-2.3beta1]$ python Python 2.6.6 (r266: ... command 'gcc' failed with exit status 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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401 views

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python - Pandas Select DataFrame columns using boolean

I want to use a boolean to select the columns with more than 4000 entries from a dataframe comb which has over 1 ... True c_0338 False ..... 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 - Filter rows of a numpy array?

I am looking to apply a function to each row of a numpy array. If this function evaluates to true I will keep ... should I just use a for loop? See Question&Answers more detail:os...

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

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382 views

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python - pyqt: how to remove a widget?

I have a QGroupBox widget with children in it that I want to remove. How do I do that? I can't find any ... 't remove it from the actual widget. 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 - Add days to dates in dataframe

I am stymied at the moment. I am sure that I am missing something simple, but how do you move a series of dates ... .dev-6e7c4d6' Numpy '1.7.1' See Question&Answers more detail:os...

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

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473 views

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python - Feedparser - retrieve old messages from Google Reader

I'm using the feedparser library in python to retrieve news from a local newspaper (my intent is to do ... only mess with numerical calculus). See Question&Answers more detail:os...

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

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625 views

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python - convert numpy array to cython pointer

I have a numpy array which came from a cv2.imread and so has dtype = np.uint8 and ndim = 3. I want to ... types What am I doing wrong? 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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481 views

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python - Incremental model update with PyMC3

Is it possible to incrementally update a model in pyMC3. I can currently find no information on this. All documentation ... this? 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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408 views

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python - How to match a paragraph using regex

I have been struggling with python regex for a while trying to match paragraphs within a text, but I haven't been ... any idea how to do 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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790 views

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python - Dragging/Moving a QPushButton in PyQt

I am really struggling to figure out a way to do this. Say I implement a button very simply in a widget ... you move magnets on a fridge. See Question&Answers more detail:os...

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

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536 views

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python - Polar contour plot in Matplotlib

I have a set of data that I want to use to produce a contour plot in polar co-ordinates using Matplotlib. ... quite understand why. 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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341 views

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python - n-grams with Naive Bayes classifier

Im new to python and need help! i was practicing with python NLTK text classification. Here is the code example ... has no attribute 'append' See Question&Answers more detail:os...

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

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492 views

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python - How to convert PDF to CSV with tabula-py?

In Python 3, I have a PDF file "Ativos_Fevereiro_2018_servidores_rj.pdf" with 6,041 pages. I'm on a machine with ... to CSV in this file type? See Question&Answers more detail:os...

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

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417 views

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python - Get the max value for each key in a Spark RDD

What is the best way to return the max row (value) associated with each unique key in a spark RDD? I'm ... return the first value or random. See Question&Answers more detail:os...

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

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829 views

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python - Flask JWT extend validity of token on each request

Scenario A logged in user will have a token expiry of 24 hours. Within that period, all request with ... implicitly extend an auth token? See Question&Answers more detail:os...

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

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683 views

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python - use imaplib and oauth for connection with Gmail

I want to use Oauth to connect to Gmail in Python. Right now I've got the xoauth.py script from Google ( ... But I want something more secure. See Question&Answers more detail:os...

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

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344 views

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python - numpy index slice with None

Working through a sliding-window example for numpy. Was trying to understand the ,None of start_idx = np.arange(B[0 ... but I'm not sure enough. See Question&Answers more detail:os...

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

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340 views

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python - How to use glob to read limited set of files with numeric names?

How to use glob to only read limited set of files? I have json files named numbers from 50 to 20000 (e. ... with any number greater than 18000? See Question&Answers more detail:os...

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

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648 views

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python - Plotting a imshow() image in 3d in matplotlib

How to plot a imshow() image in 3d axes? I was trying with this post. In that post, the surface plot looks ... shade=False) Here are my plots: See Question&Answers more detail:os...

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

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260 views

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python - Best way to run remote commands thru ssh in Twisted?

I have a twisted application which now needs to monitor processes running on several boxes. The way I ... be highly appreciated. 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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326 views

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python - Django static files won't load

i'm a Django newbie working on my first project and having a problem with static files. I have created a ... anyone shed any light on 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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394 views

1 answer

python - Set max number of threads at runtime on numpy/openblas

I'd like to know if it's possible to change at (Python) runtime the maximum number of threads used by ... : import mkl mkl.set_num_threads(n) See Question&Answers more detail:os...

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

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551 views

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python - List the words in a vocabulary according to occurrence in a text corpus, with Scikit-Learn CountVectorizer

I have fitted a CountVectorizer to some documents in scikit-learn. I would like to see all the terms and their ... built-in function for 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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512 views

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python - Django or similar for composite primary keys

I am writing a web application for my engineering company (warning: I am a programmer only by hobby) and was ... be a ForeignKey of Table one. See Question&Answers more detail:os...

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

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