Recent questions tagged Python

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python - How to get current UK time in Google App Engine

Under python on my machine I can run datetime.now() to get the local time. If I inspect time.daylight flag ... change the timezone on my app? 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 find top_left, top_right, bottom_left, right coordinates in 2d mask where cell has specified value?

I have 2D numpy array which is a mask from an image. Each cell has 0 or 1 value. So I would like to find top:left,right, ... (1,3), (2,1), (2,2) See Question&Answers more detail:os...

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

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python - Tensorflow error in Colab - ValueError: Shapes (None, 1) and (None, 10) are incompatible

I'm trying to execute a small code for NN using the MNIST dataset for characters recognition. When it comes to ... (None, 10) are incompatible 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 - Unexpected result from sys.getrefcount

When I typed: >>> astrd = 123 >>> import sys >>> sys.getrefcount(astrd) 3 >>> I am not getting where is astrd used 3 times ? 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 - ftplib MLSD command gives 500 Unknown command

I have been using ls = f.mlsd() to get list of files and timestamp from ftp but it gives me ftplib. ... the server to get this command working 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 handle sqlalchemy onupdate when current context is empty?

I have a model of article which will have slug based on it's title, the model is like this: from sqlalchemy. ... slug value match it's title? 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 resume program (or exit) after opening webbrowser?

I'm making a small Python program, which calls the webbrowser module to open a URL. Opening the URL ... different heading! 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 - Right place to put custom nbconvert templates

I've made a custom nbconvert template and want it to be accessible from any folder where I launch nbconvert ... prefer to avoid this option. 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 - Pyglet Image Rendering

I'm working on a sort of a 2D Minecraft clone for my first in depth Pyglet project and I've run ... to more efficiently render each block. 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 - Is it possible to communicate with a sub subprocess with subprocess.Popen?

I'm trying to write a python script that packages our software. This script needs to build our product, and ... still run it through sudo? 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 - Color coding cells in a table based on the cell value using Jinja templates

I have a simple flask app and need to display a table of values, with the cell backgrounds colour coded based ... hard-coded in the templates. 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 - Import instance of class from a different module

I have a module named directory and another module named species. There will always only be one directory no ... that instance from Entity? See Question&Answers more detail:os...

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

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378 views

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python - TensorFlow in nvidia-docker: failed call to cuInit: CUDA_ERROR_UNKNOWN

I have been working on getting an application that relies on TensorFlow to work as a docker container with ... this working with TensorFlow? 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 - Calling an Ansible Module from another Ansible Module?

Question Is it possible to call an Ansible module from another Ansible module programmatically? Context I have ... and programmatic 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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590 views

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python - Fill multi-index Pandas DataFrame with interpolation

I would like to bfill and ffill a multi-index DataFrame containing NaNs (in this case the ImpVol field) using ... frame based on the indexes? 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 - Pythonic way to split a string and unpack into variables?

Simple question: given a string string = "Word1 Word2 Word3 ... WordN" is there a pythonic way to do ... an unpacking or something? 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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python - pandas df.corr() returns NaN despite data fed having populated data

My data looks like the following: print data A B 2014-04-04 163.24 191.77 2014-06-11 165.43 182.25 2014- ... 197.770000 print pd.version 0.14.1 See Question&Answers more detail:os...

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

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508 views

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python - Converting PIL GdkPixbuf

How can I convert PIL Image in pixbuf?. I tried to change many examples but no solution import array from ... https://live.gnome.org/PyGObject See Question&Answers more detail:os...

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

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539 views

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python - Strip removing more characters than expected

Can anyone explain what's going on here: s = 'REFPROP-MIX:METHANOL&WATER' s.lstrip('REFPROP-MIX') # this returns ' ... -def:') # returns 'ghi' See Question&Answers more detail:os...

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

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390 views

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python - How to use time.sleep in pygame?

So i am trying to display an image, wait 1 second and then display another image. I'm making a matching game, ... the image to Tile.cover, why? See Question&Answers more detail:os...

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

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1.1k views

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python - Plotly: how to make an unbounded vertical line in a subplot?

The goal is to get vertical infinite lines in every subplot, at x=1. In this example, I'll just try a ... with this problem before? 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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508 views

1 answer

python - Using numpy to square value gives negative number

I'm trying to use numpy to element-wise square an array. I've noticed that some of the values appear as ... : [1,4, -2005153392] 2289813904 See Question&Answers more detail:os...

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

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641 views

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python - Why doesn't tkinter play nicely with multiprocessing?

The following code hangs without doing anything in python 3.2.2 in linux: import tkinter from ... similar issues with multiprocessing? 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 find a columns set for a primary key candidate in CSV file?

I have a CSV file (not normalized, example, real file up to 100 columns): ID, CUST_NAME, CLIENT_NAME, ... already provides a quick solution See Question&Answers more detail:os...

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

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458 views

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python - Django - Access fields on a model's "through" table from an instance

I have a many-to-many relationship with a through table like so: class Chapter(models.Model): name = models. ... I access a slide's order? See Question&Answers more detail:os...

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

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416 views

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python - PyDev project for Google App Engine not finding webapp2

I am attempting to try out Google App Engine with python. Being familiar with Eclipse, I decided to use ... download as of Tuesday evening. See Question&Answers more detail:os...

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

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339 views

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python - Why doesn't first and last in a groupby give me first and last

I'm posting this because the topic just got brought up in another question/answer and the behavior isn't very ... last values in each group? See Question&Answers more detail:os...

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

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661 views

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python - pip install tensorflow cannot find file called client_load_reporting_filter.h

I keep failing to run pip install on the tensorflow package. First it downloads the .whl file, then goes ... versions of Pyhton and pip. See Question&Answers more detail:os...

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

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