Recent questions tagged python

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I am trying to give focus to a window if the user clicks on another window. Right now i have two windows: ... back to Window B. 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 - change variable in Pycharm debugger

When I debug my Python code in Pycharm I often want to change some of the variables that are being set ... variables via the console interface? 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 sort strings with digits at the end

what is the easiest way to sort a list of strings with digits at the end where some have 3 digits and some have ... an easy way 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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python 3.x - Saving Numpy Structure Array to *.mat file

I am using numpy.loadtext to generate a structured Numpy array from a CSV data file that I would like to ... smarter way to accomplish 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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python - How do I decompose a number into powers of 2?

I'm trying to create a function that receives a number as an argument and performs actions on that number to ... this process? 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 - double quotes in string representation

This snippet: formatter = "%r %r %r %r" print formatter % ( "I had this thing.", "That you could type up ... Python the Hard Way Exercise 8.) 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 - virtualenv: cannot import name 'main'

I'm having a little trouble with virtualenv on Mac OS X Yosemite. After I couldn't run virtualenv at all ... Can anybody help me with 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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python - Cross-argument validation in argparse

I'm looking for a Pythonic way to validate arguments when their validation logically depends on the value(s ... parsing, not afterwards. 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 - lxml: insert tag at a given position

I have an xml file, similar to this: <tag attrib1='I'> <subtag1 subattrib1='1'> <subtext>text1</subtext ... position? Thanks 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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python - Why dictionary values aren't in the inserted order?

When i declare a list 1,2,3,4 and i do something with it , even just print i get back the same ... changing the positions of the elements .? 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 - List of open browser tabs programmatically

Is there a way to programmatically obtain a list of open tabs in a browser by index? For example, suppose Google ... tabs, if possible, 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 - Get selected text from a form using wtforms SelectField

This is a question upon the use of wtforms SelectField. Once the form submitted, I wish to extract selected text. ... ? 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 - Why does assert np.nan == np.nan cause an error?

If assert 1 == 1 is fine, then why does: assert np.nan == np.nan cause an assertion error? What's even more ... s the best way to test for 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 - Variable not found. Declare it as envvar or define a default value

I am very new to Django and trying to configure python-decouple to use .env variables. I am getting ... } my_app.env DB_PASSWORD=my_password 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 - Saving result of DataFrame show() to string in pyspark

I would like to capture the result of show in pyspark, similar to here and here. I was not able to find ... which will only display on console. 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 - Print to UTF-8 encoded file, with platform-dependent newlines?

In Python, what is the best way to write to a UTF-8 encoded file with platform-dependent newlines? the ... documented and guaranteed to 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 - AssertionError: Could not compute output Tensor

I am trying to build a model that takes multiple inputs and multiple outputs using a functional API. I followed ... with complete code is 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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python - jython syntaxerror?

I got the following syntax error at the following line when I run my program in jython: except Exception as ... program. Are there other ways? 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 - PASSWORD_HASHERS setting in Django

i have an error when ever i try to login by any User error Unknown password hashing algorithm 'sahar'. ... ('auth.html',RequestContext(request) 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 - understanding OptionParser

I was trying out optparse and this is my initial script. #!/usr/bin/env python import os, sys from optparse import ... best way" to me. Cheers!! 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 - Caching ordered Spark DataFrame creates unwanted job

I want to convert a RDD to a DataFrame and want to cache the results of the RDD: from pyspark.sql import * from ... ") no job is generated. 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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python `print` does not work in loop

I have multi loops in together and a sleep in the most inner loop. for example: from time import sleep for i in ... problem. How can I solve 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 - Slice pandas DataFrame by MultiIndex level or sublevel

Inspired by this answer and the lack of an easy answer to this question I found myself writing a little syntactic sugar ... is yet! Am I right? 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 - Getting timezone name from UTC offset

How can I get the timezone name from a given UTC offset in Python? For example, I have, "GMT+0530" And I ... should be a list of timezone names. 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 - The right way to round pandas.DataFrame?

I want round pandas.DataFrame. Here is what i have tried so far: import pandas as pd data = pd.DataFrame([ ... way to round pandas.DataFrame ? 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 - Reportlab - how to introduce line break if the paragraph is too long for a line

I have a list of text to be added to a reportlab frame style = getSampleStyleSheet()['Normal'] style. ... line breaks in this situation. 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 - Mongoengine: ConnectionError: You have not defined a default connection

In my new Django project I set up a MongoDb database and use mongoengine module but I can't properly access to ... you 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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python 3.x - Pandas dataframe: set_index with inplace=True returns a NoneType, why?

If I reset the index of my Pandas dataframe with "inplace=True" (following the documentation) it returns a class ' ... 11.1 IPython: 5.2.2 See Question&Answers more detail:os...

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

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