Recent questions tagged Python

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python - Reprojecting polar to cartesian grid

I have a polar (r,theta) grid (which means that each cell is an annulus section) containing values of ... properly. Thanks for any 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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python - How are closures implemented?

"Learning Python, 4th Ed." mentions that: the enclosing scope variable is looked up when the nested functions are ... as the loop is running? 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 - pip not installing modules

As per object. I'm running Python 2.7.10 under Windows 7 64 bit. I added C:Python27Scripts to my PATH, and ... this platform. What should I do? 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 custom border to certain cells in a matplotlib / seaborn plot

Right now I`m using Seaborn's clustermap to generate some clustered heatmaps - so far so good. For a certain ... matplotlib, or any other way? 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 - Pandas: How to sum columns based on conditional of other column values?

I have the following pandas DataFrame. import pandas as pd df = pd.read_csv('filename.csv') print(df) dog A ... but my approach is incorrect. ` See Question&Answers more detail:os...

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

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755 views

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python 3.x - Adding custom jars to pyspark in jupyter notebook

I am using the Jupyter notebook with Pyspark with the following docker image: Jupyter all-spark-notebook Now I ... properly from the notebook? 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 implement a C-function as awaitable (coroutine)

Environment: cooperative RTOS in C and micropython virtual machine is one of the tasks. To make the VM not ... accept a CPython-only answer. 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 - Save workspace in IPython

Is it possible to save an IPython workspace (defined functions, different kinds of variables, etc) so that it can ... is a good solution now. 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 3.5 - asyncio aiohttp progress bar with tqdm

I'm attempting to integrate a tqdm progress bar to monitor POST requests generated with aiohttp in Python 3.5. ... .gather(f) print(responses) 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 get virtualenv to use dist-packages on Ubuntu?

I know that virtualenv, if not passed the --no-site-packages argument when creating a new virtual environment, ... in advance for 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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245 views

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python - How to query Many-To-Many SQLAlchemy

Import Flask and SQLAlchemy modules first: from flask import Flask from flask_sqlalchemy import SQLAlchemy Declare the app ... to achieve 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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python - Macports Port Select Commands

What are the new commands & or equivalents of: python_select -L (shows available python versions) python_select -s (sets ... set |--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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578 views

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python - how to configure and run celery worker on remote system

i am working on celery and using rabbitmq server and created a project in django project in a server(where ... system also is it necessary? See Question&Answers more detail:os...

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

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249 views

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python - Creating a 3D plot from a 3D numpy array

Ok, so I feel like there should be an easy way to create a 3-dimensional scatter plot using matplotlib. ... ideas would 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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388 views

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python - Detecting a US Holiday

What's the simplest way to determine if a date is a U.S. bank holiday in Python? There seem to be various ... specific to banks in the U.S. See Question&Answers more detail:os...

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

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534 views

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python - Can I pass arguments to pytest fixtures?

The baseline of all my tests is that there will always be a taxi with at least one passenger in it. I can ... fixture per test the way to 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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302 views

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python - RGB matrix of an image

Taking an image as input, how can I get the rgb matrix corresponding to it? I checked out the numpy.asarray ... rgb matrix or some other 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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652 views

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python - Legend not showing up in Matplotlib stacked area plot

I am creating a stacked line/area plot using plt.fill_between() method of the pyplot, and after trying so many ... instead of labels): 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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431 views

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python - .pyw and pythonw does not run under Windows 7

Running a simple .py or .pyw python file causes python.exe to show up under Task Manager. python myApp.py python ... running Python 2.7.8 x64. See Question&Answers more detail:os...

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

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820 views

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python - PyCharm terminal doesn't activate conda environment

I have a conda environment at the default location for windows, which is C:ProgramDataAnaconda2envsmyenv. Also, as ... I do it automatically? See Question&Answers more detail:os...

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

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665 views

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python - Overlay imshow plots in matplotlib

I would like to compare two different sets of data on the same imshow plot to make it easy to see the ... imshow plots would be much 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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271 views

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python - Django: How to make a datetime object aware of the timezone in which it was created?

I am running a program that requests ocean tide data from a remote server. The time and date of this tide ... to their own local timezone. 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 - How to redefine a color for a specific value in a matplotlib colormap

I want to use the colormap rainbow in an image using imshow. It works perfectly, but I want to redefine the ... to edit the colormap manually? See Question&Answers more detail:os...

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

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359 views

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python - Convert list of tuples to structured numpy array

I have a list of Num_tuples tuples that all have the same length Dim_tuple xlist = [tuple_1, tuple_2, ..., ... to create xarr without any loops? 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 - TypeError: unsupported operand type(s) for %: 'NoneType' and 'str'

So I am VERY new to programming and I started with Python 3. I started reading "Learn Python the Hard Way". ... links? Thank you 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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403 views

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python - sklearn GridSearchCV with Pipeline

I'm new to sklearn's Pipeline and GridSearchCV features. I am trying to build a pipeline which first does ... am I doing wrong here? See Question&Answers more detail:os...

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

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493 views

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python - How to group and count rows by month and year using Pandas?

I have a dataset with personal data such as name, height, weight and date of birth. I would build a ... documentation found nothing. Any 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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445 views

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python - Remove low frequency values from pandas.dataframe

How can I remove values from a column in pandas.DataFrame, that occurs rarely, i.e. with a low frequency? ... want to remove values like 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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