Recent questions tagged Python

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So I'm trying to speed up my computation time by doing a little bit multiprocessing I'm trying to use the pool ... if this is a dumb error See Question&Answers more detail:os...

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

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538 views

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python - Add trend line to pandas

I have time-series data, as followed: emplvl date 2003-01-01 10955.000000 2003-04-01 11090.333333 2003-07-01 ... a column to my data frame? See Question&Answers more detail:os...

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

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467 views

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python - Making a tree structure in django models?

I want to have a model with 2 fields, children and parent. How do I do this in django? I have something like ... error on 'blank'). Any advice? 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 add a year to a column of dates in pandas

I am attempting to add a year to a column of dates in a pandas dataframe, but when I use pd.to_timedelta I get ... adding 05:49:12 HH:mm:ss? 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 - Select rows by partial string with query with pandas

I have a DataFrame. 1 column (name) has string values. I was wondering if there was a way to select rows based ... ] but I prefer to use query. 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 - Customize (override) Flask-Admin's Submit method from edit view

Preconditions: I'm new to Python and to Flask-Admin in particular. I created a simple test service, which has ... give me enough help so far. 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 - Django: Access primary key in models.filefield(upload_to) location

I'd like to save my files using the primary key of the entry. Here is my code: def get_nzb_filename(instance, ... in my Form class. No problem. See Question&Answers more detail:os...

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

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916 views

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python - Numpy error: invalid value encountered in power

I have the following code: import numpy def numpysum(n): a = numpy.arange(n) ** 2 b = numpy.arange(n) ** ... ? I am working with Python 3.2. 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 recursively query in django efficiently?

I have a model, which looks like: class StaffMember(models.Model): id = models.OneToOneField(to=User, unique=True, ... the members of a team? See Question&Answers more detail:os...

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

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323 views

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python data and non-data descriptors

According to Python's documentation, Data descriptors with __set__() and __get__() defined always override a redefinition ... was put in place. 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 - Get a list of all private channels with Slack API

I've been trying to get a list of all "groups" in my Slack team. However, even with admin privs, groups ... )['groups'] } print(privatechannels) See Question&Answers more detail:os...

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

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333 views

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python - How to plot files with numpy?

I have a .dat file that contains two columns of numbers so it looks something like this: 111 112 110.9 109 103 ... to go from here. 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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744 views

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python - Tkinter window focus on Mac OS X

I'm writing an application in Python with the Tkinter GUI framework. It listens for keyboard and mouse events, so ... of a workaround 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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544 views

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python - SQLAlchemy and UnicodeDecodeError

I'm getting UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 0: ordinal not in range( ... help 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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569 views

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python - Django REST - Create object with foreign key using serializers

I'm a little new to Django and Django-REST so please bear with me. Perhaps the answer is in the ... true } 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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820 views

1 answer

python - How to edit a message in discord.py

I would like to have my bot edit a message if it detects a keyword, i'm not sure how to edit the message ... test, but i just get an error. See Question&Answers more detail:os...

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

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370 views

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python - Throttling in Bokeh application

I have Bokeh application with a Slider widget that uses the Slider.on_change callback to update my graphs. However, ... I tackle this problem? See Question&Answers more detail:os...

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

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360 views

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python - Using True/False as keys - how/why does this work?

I am comfortable using this simple syntax for initializing a dictionary d = {'a':'Apple','b':'Bat'}; ... > keyword.iskeyword('False'); 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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391 views

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python - How to access "__" (double underscore) variables in methods added to a class

Background I wish to use a meta class in order to add helper methods based on the original class. If the ... newfunction2 is now part of Test? See Question&Answers more detail:os...

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

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735 views

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python - jupyter throwing error: socket.gaierror: [Errno -2] Name or service not known

I run a pyspark cluster on AWS EMR and use Jupyter to the pyspark driver. Recently, the script failed ... ~/.jupyter/jupyter_notebook_config.py See Question&Answers more detail:os...

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

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439 views

1 answer

python - Is ALLOWED_HOSTS needed on Heroku?

From what I understand, ALLOWED_HOSTS does a check when DEBUG=False to prevent an attacker from pointing their ... where they should instead? See Question&Answers more detail:os...

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

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428 views

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python - Why is pandas '==' different than '.eq()'

Consider the series s s = pd.Series([(1, 2), (3, 4), (5, 6)]) This is as expected s == (3 ... they should work the same, hence the confusion. See Question&Answers more detail:os...

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

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432 views

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python - Flask session don't persist data

I have a Javascript application and a Flask application. When the user send data from Js to Flask, I store it ... nothing worked. Tips 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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909 views

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python - size legend for plotly bubble map/chart

Here is a plotly "bubble" map (i.e. a map with markers on it, whose size is mapped to a variable). ... asks or shows how to achieve that. See Question&Answers more detail:os...

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

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459 views

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python - os.path.exists() lies

I'm running a number of python scripts on a linux cluster, and the output from one job is generally the input to ... 't been much help so far. See Question&Answers more detail:os...

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

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407 views

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python - Can I put a class definition into __init__.py?

I have a package with a class structure similar to this. Base class is a typical, simple parent class for a ... import it each time in modules. See Question&Answers more detail:os...

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

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777 views

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python - Kivy: drag n drop, get file path

In Kivy, I am trying to build an interface where the user can drag and drop a file into a widget (text input) ... how would I 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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867 views

1 answer

python - RuntimeError: Timeout context manager should be used inside a task

Background: I am hosting a flask server alongside a discord client The flask server just needs to pass on messages ... be used inside a task See Question&Answers more detail:os...

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

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