Recent questions tagged Python

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python - TypeError: descriptor 'strftime' requires a 'datetime.date' object but received a 'Text'

I have a variable testeddate which has a date in text format like 4/25/2015. I am trying convert it to %Y-%m- ... 'Text' How do I resolve 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 - PostgreSQL ILIKE query with SQLAlchemy

I'd like to run a query that selects all posts, case insensitive, that have titles that match '%' + [ ... = db.Column(db.String(5000)) 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 - Relationship between pickle and deepcopy

What exactly is the relationship between pickle and copy.deepcopy? What mechanisms do they share, and how? It ... between python2 and python3] 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: Support for string view arguments to url() is deprecated and will be removed in Django 1.10

New python/Django user (and indeed new to SO): When trying to migrate my Django project, I get an error ... , and am currently researching 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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519 views

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python - How to find an index at which a new item can be inserted into sorted list and keep it sorted?

a = 132 b = [0, 10, 30, 60, 100, 150, 210, 280, 340, 480, 530] I want to know that a should be in ... b. What's the most pythonic way to do so? 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 - Hide some maybe-no-member Pylint errors

The following Python fragment code gets analyzed by Pylint: if type(result) is array.array: read = result. ... this order of the questions) 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 - argparse default option based on another option

Suppose I have an argparse python script: import argparse parser = argparse.ArgumentParser() parser.add_argument("- ... + "_BAR") 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 there an easy way to convert ISO 8601 duration to timedelta?

Given a ISO 8601 duration string, how do I convert it into a datetime.timedelta? This didn't work: ... /en.wikipedia.org/wiki/ISO_8601#Durations 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 - Should I create each class in its own .py file?

I'm quite new to Python in general. I'm aware that I can create multiple classes in the same .py file, but ... . Is this the case 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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python - Publishing modules to pip and PyPi

I have created a module using python. I want to publish it to pip and PyPi so that others can download and use it easily. How do I do 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 - Whet I try to run Zenmap, the terminal show me this

Could not import the zenmapGUI.App module: 'No module named gtk'. I checked in these directories: /usr/local/bin / ... 2 /.deb and there you 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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445 views

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python - Iterate over all items in json object

After loading json from a file via data = json.load(fp) I want to iterate over all items that were in ... symbols. How is this done properly? 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 print only the last value in a for loop?

For the below code, I only want to print the last approximation for the squareroot function, instead of ... guess=nextguess print(nextguess) See Question&Answers more detail:os...

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

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634 views

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python - find the number of subarrays of an array with XOR sum

You are given the following array A, We need to calculate the total number of sub-arrays with XOR sum X ... code to have less time complexity? See Question&Answers more detail:os...

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

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487 views

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python - sandwich pattern in javascript code

Apologize if the title of the question is misleading. Actually I am looking for the javascript equivalent ... wrapper call_with_context. 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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617 views

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python - Variable not changing after assigning another value to its dependent variable

Entering the following code into Python 3.5 shell gives me an answer I didn't expect, very basic I know but would ... new" x has not been used. See Question&Answers more detail:os...

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

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356 views

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python - Use argparse to run 1 of 2 functions in my script

I currently have 2 functions in my .py script. #1 connects to the database and does some processing. #2 does some ... run when I run my script? See Question&Answers more detail:os...

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

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315 views

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python - difference between "&" and "and" in pandas

I have some code that runs on a cron (via kubernetes) for several months now. Yesterday, part of my code didn't ... to fail all of a sudden. See Question&Answers more detail:os...

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

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599 views

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python - Numpy transpose functions speed and use cases

So why is the NumPy transpose .T faster than np.transpose()? b = np.arange(10) #Transpose .T t=b. ... where np.transpose would be better? See Question&Answers more detail:os...

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

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558 views

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python - How can I change the contents of one QComboBox depending on another QComboBox in PyQt5?

I write program on python3 that will calculate thermodynamic properties. This is piece of GUI "Выбранное вещество" is ... another in real time. See Question&Answers more detail:os...

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

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941 views

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python - Cannot bind NumPad minus key on Linux with Tkinter

I encountered an issue regarding KeyPress binds in tkinter when switching between Windows and Linux while using a ... from keyboard or NumPad? See Question&Answers more detail:os...

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

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328 views

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python - How do I access Production Datastore from my local development server?

I have a existing Website deployed in Google App Engine for Python. Now I have setup the local development ... Any hint would be 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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376 views

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python - What does "while False" mean?

I don't undestand how this code works: i = 1 while False: if i % 5 == 0: break i = i + 2 print(i) what ... have to be false? I don't get 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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318 views

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python - Combining PyQt and Matplotlib

I want to combine my Ui generated by QtDesigner. I want to merge it with myplotlib so that everything is in ... , 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(Qt...

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

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267 views

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python - Django send_mail application - hook it up with Yeoman frontend

I'm using Django as backend and Yeoman as frontend. I'm new to both. My frontend local server is ... right direction is 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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330 views

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python -> combinations of numbers and letters

#!/usr/bin/python import random lower_a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', ... , then add 1 to that length and repeat the process? See Question&Answers more detail:os...

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

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501 views

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python - Matplotlib cumulative histogram - vertical line placement bug or misinterpretation?

I am not sure if this is a bug or if I am simply misinterpreting the output of matplotlib's cumulative histogram. E. ... .4.3 & matplotlib 1.4.3 See Question&Answers more detail:os...

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

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832 views

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python - How to read a component in YAML file so that I can edit it's key value using ruamel.yaml?

This is my YAML file (input.yaml): team_member: name: Max hobbies: - Reading team_leader: name: Stuart hobbies: - ... .yaml. How to code 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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