Recent questions tagged Python

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python - matplotlib - Legend in separate subplot

I am plotting an array of pie charts, each using the same two colors for the same two types of data. plt. ... a separate subfigure at the end? 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 - Seaborn regplot using datetime64 as the x axis

I have a dataframe looks like this: date score 2017-06-04 90 2017-06-03 80 2017-06-02 70 When I tried ... date column so that regplot will 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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python - Extending numpy.digitize to multi-dimensional data

I have a set of large arrays (about 6 million elements each) that I want to basically perform a np.digitize ... fast even for huge arrays. 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 - Airflow - creating dynamic Tasks from XCOM

I'm attempting to generate a set of dynamic tasks from a XCOM variable. In the XCOM I'm storing a list and I ... for task in pusher()] >> end 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 - LSTM Autoencoder problems

TLDR: Autoencoder underfits timeseries reconstruction and just predicts average value. Question Set-up: Here is a summary of ... do I fix 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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839 views

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python - AttributeError: module 'tensorflow' has no attribute 'name_scope' with Keras

I am trying to run a script, but I struggle already at the imports. This import from keras.preprocessing.image import ... , tensorflow-gpu 1.9.0 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 - Selecting a subset of a Pandas DataFrame indexed by DatetimeIndex with a list of TimeStamps

I have a large Pandas DataFrame <class 'pandas.core.frame.DataFrame'> DatetimeIndex: 3425100 entries, 2011-12-01 00: ... Wes at bottom of page. 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 - Change first element of each group in pandas DataFrame

I want to ensure that the first value of val2 corresponding to each vintage is NaN. Currently two are already NaN, but I ... 0.53 4 0.62 5 NaN 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 - ImportError: No module named _backend_gdk

I am starting to get some insight into interactive plotting with python and matplotlib using pyGTK+. Therefore I ... to some linking issues? 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 extract Polygons from Multipolygons in Shapely?

I'm trying to extract the polygons from multipolygons in Shapely. I can transform a list of polygons into ... convert it to separate polygons? 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 - SQLAlchemy DELETE Error caused by having a both lazy-load AND a dynamic version of the same relationship

Here is some example code: users_groups = Table('users_groups', Model.metadata, Column('user_id', Integer, ... Any advice is 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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python - variable number of digit in format string

Which is a clean way to write this formatting function: def percent(value,digits=0): return ('{0:.%d%%}' % ... '%' operator and format method. 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 - Pyspark replace NaN with NULL

I use Spark to perform data transformations that I load into Redshift. Redshift does not support NaN values, so I ... some other value, like 0. 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 3.5 type hints: can i check if function arguments match type hints?

does python 3.5 provide functions that allow to test whether a given argument would fit the type hints given in the ... tool i'd need to use? See Question&Answers more detail:os...

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

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363 views

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python - How can I resize the root window in Tkinter?

from Tkinter import * import socket, sys from PIL import Image, ImageTk root = Tk() root.title("Whois Tool") ... or lable and ect.. 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 - RuntimeError: b'no arguments in initialization list'

I'm trying to solve my issue in my own but I couldn't, I'm trying to run this code in every format ... : b'no arguments in initialization 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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457 views

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python - How do I detect missing fields in a CSV file in a Pythonic way?

I'm trying to parse a CSV file using Python's csv module (specifically, the DictReader class). Is there a ... would like to avoid if possible. See Question&Answers more detail:os...

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

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503 views

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python - Pandas DataFrame bar plot with sort_values by other column

I have a Pandas DataFrame. I want to plot two columns' values with bar plot, and the bar plot sorts values by ... .plot(kind='bar',stacked=True) 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 fill a polygon with a custom hatch in matplotlib?

I'm using python and matplotlib to create several closed polygons. I then need to fill them with a hatch, which ... solution to be in python. See Question&Answers more detail:os...

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

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624 views

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python - Counting relationships in SQLAlchemy

My SQLAlchemy structure looks like this papers2authors_table = Table('papers2authors', Base.metadata, Column('paper_id', ... 'first' ... See Question&Answers more detail:os...

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

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1.2k views

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python - CountVectorizer: AttributeError: 'numpy.ndarray' object has no attribute 'lower'

I have a one-dimensional array with large strings in each of the elements. I am trying to use a ... object has no attribute 'lower' 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 3.x - urllib.request.urlretrieve with proxy?

somehow I can't download files trough a proxyserver, and I don't know what i have done wrong. I just get a ... http://myfile", "file.file") See Question&Answers more detail:os...

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

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414 views

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python - "CSV file does not exist" for a filename with embedded quotes

I am currently learning Pandas for data analysis and having some issues reading a csv file in Atom editor. ... really appreciate your 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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655 views

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python - How to concatenate videos in moviepy?

I am trying to use moviepy to generate video with texts. First, I want to show one messages and then another ... do I have problems with cats? See Question&Answers more detail:os...

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

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704 views

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python - Reading excel files with xlrd

I'm having problems reading .xls files written by a Perl script which I have no control over. The files contain some ... seen[2] == 4 part. See Question&Answers more detail:os...

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

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441 views

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python - How can I create a GzipFile instance from the “file-like object” that urllib.urlopen() returns?

I'm playing around with the Stack Overflow API using Python. I'm trying to decode the gzipped responses ... GzipFile instance from 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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388 views

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python - Using mkl_set_num_threads with numpy

I'm trying to set the number of threads for numpy calculations with mkl_set_num_threads like this import numpy import ... of threads at runtime? See Question&Answers more detail:os...

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

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372 views

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python - What does "Client failed to connect to the D-BUS daemon" mean?

I am using a very complex setup to test various non-public webpages. I use jenkins to run the python-selenium tests ... If so, how to fix 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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