Recent questions tagged Python

0 votes

1.2k views

1 answer

python - Find partial class names in spans with Beautiful Soup

This page https://www.kijiji.ca/v-1-bedroom-apartments-condos/ville-de-montreal/1-chambre-chauff-eau-chaude- ... the string "currentPrice-"? See Question&Answers more detail:os...

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

0 votes

408 views

1 answer

python - Unbound variable and name

According to the python reference manual we have When a name is not found at all, a NameError exception is ... but not to initialize her? See Question&Answers more detail:os...

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

0 votes

264 views

1 answer

python - Multiindex and timezone - Frozen list error

I try to change the timezone of a multiindex DataFramebut I get an frozen list error. Has someone any ... does not support mutable operations. See Question&Answers more detail:os...

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

0 votes

503 views

1 answer

python - Python3 NameError: name 'method' is not defined for defined @staticmethod

I am trying to write a simple recursive function in python3. As I am learning OO Java, I also want to write ... But I want to practice OOP. See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

python - How to install multiple whl files in cmd

I know how to install *.whl files through cmd (the code is simply python -m pip install *so-and-so-. ... directory and install them. Any ideas? See Question&Answers more detail:os...

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

0 votes

446 views

1 answer

python - ValueError: No gradients provided for any variable - Tensorflow 2.0/Keras

I am trying to implement a simple sequence-to-sequence model using Keras. However, I keep seeing the following ... Gist link Github issue link See Question&Answers more detail:os...

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

0 votes

759 views

1 answer

python - SSLv3 alert handshake failure with urllib2

I'm having troubles connecting with https using urllib2 under Python 2.7.10. Any thoughts what I'm missing? Python ... failure (_ssl.c:590)> See Question&Answers more detail:os...

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

0 votes

437 views

1 answer

python - Count iterations in while loop

Is there a way in Python to automatically add an iteration counter to a while loop? I'd like to remove the lines ... count += 1 time.sleep(1) See Question&Answers more detail:os...

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

0 votes

313 views

1 answer

python - Why does importing module in '__main__' not allow multiprocessig to use module?

I've already solved my problem by moving the import to the top declarations, but it left me wondering: Why ... defined! Just a curious topic. See Question&Answers more detail:os...

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

0 votes

655 views

1 answer

python - Import OpenCV on jupyter notebook

I tried installing OpenCV on Windows 10 using pip. I used this command- pip install opencv-contrib-python After that ... help. Thanks a lot. See Question&Answers more detail:os...

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

0 votes

874 views

1 answer

python - pandas datareader raises AttributeError: module 'pandas.io' has no attribute 'data'

This is a code I am trying import matplotlib.pyplot as plt import pandas as pd ticker = 'GLD' begdate = '2014 ... or some issue with my system? See Question&Answers more detail:os...

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

0 votes

426 views

1 answer

python - pybind11 running the test cases

I'm trying to learn pybind11 and the first Google result is this page, where you should be guided towards compiling and ... I don't want to use! See Question&Answers more detail:os...

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

0 votes

350 views

1 answer

python - List of pandas options for method set_option

I couldn't find a list of options for pandas.set_option(). Does anyone know if such a list exists? The ... .org/pandas-docs/dev/whatsnew.html See Question&Answers more detail:os...

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

0 votes

270 views

1 answer

python - How to guess image mime type?

How can I guess an image's mime type, in a cross-platform manner, and without any external libraries? See Question&Answers more detail:os...

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

0 votes

253 views

1 answer

python - How to get all the maximums max function

data = ['str', 'frt'] max(data, key=len) The max function returns only one of the strings. How can I make ... a way to return all max items? See Question&Answers more detail:os...

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

0 votes

308 views

1 answer

python - Convert string date time to pandas datetime

I am new to Pandas and Python. I want to do some date time operations in my script. I am getting date time ... like: 2017-04-01 06:59:00 See Question&Answers more detail:os...

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

0 votes

216 views

1 answer

python - What happens when you call `if key in dict`

I have a class (let's call it myClass) that implements both __hash__ and __eq__. I also have a dict that maps ... time to an O(n) lookup time See Question&Answers more detail:os...

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

0 votes

443 views

1 answer

python - How to document nested classes with Sphinx's autodoc?

Is there any way to document a nested class with Sphinx's autodoc plugin? In: class A: class B: """ class ... last . as packages and modules. See Question&Answers more detail:os...

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

0 votes

546 views

1 answer

python - How does ctypes.cdll.LoadLibrary(None) work?

How does ctypes.cdll.LoadLibrary() call work with None passed in as an argument? When I try the code below, ... scenes that I don't understand. See Question&Answers more detail:os...

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

0 votes

281 views

1 answer

python - from . import XXXX

In one of my Python packages the __init__.py file contains the statement from . import XXXX What does the " ... what it means. Thanks! See Question&Answers more detail:os...

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

0 votes

356 views

1 answer

python - Bulk renaming of files based on lookup

I have a folder full of image files such as 1500000704_full.jpg 1500000705_full.jpg 1500000711_full.jpg 1500000712_full ... the file names See Question&Answers more detail:os...

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

0 votes

318 views

1 answer

python - pickle can't import a module that exists?

Why might this happen? import window; print "LOADED"; data = cPickle.loads(data) The result is: LOADED ... appending mess this up somehow? See Question&Answers more detail:os...

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

0 votes

227 views

1 answer

python - kill a function after a certain time in windows

I've read a lot of posts about using threads, subprocesses, etc.. A lot of it seems over complicated for what I' ... bla' x = raw_input('done') See Question&Answers more detail:os...

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

0 votes

620 views

1 answer

python - Fastest way to find Indexes of item in list?

If one was to attempt to find the indexes of an item in a list you could do it a couple different ways ... one go about speeding things up? See Question&Answers more detail:os...

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

0 votes

230 views

1 answer

python - What is this operator *= -1

I'm going through some Python activities and was given example code with this operator: y *= -1 I had a look through ... of x and y Is this it? See Question&Answers more detail:os...

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

0 votes

381 views

1 answer

python - Unable to import pandas (pandas._libs.window.aggregations)

I've lost a couple of hours trying to solve this so I guess it's time to ask someone/somehwere. I ( ... specified module could not be found. See Question&Answers more detail:os...

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

0 votes

218 views

1 answer

python - Remove substring from column based on another column

Attempting to use the values (as string) from one column to determine what gets removed from another column. ... preserve the original data? See Question&Answers more detail:os...

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

0 votes

1.6k views

1 answer

python - smtplib.SMTPAuthenticationError: (535, '5.7.3 Authentication unsuccessful')

I am trying to use smtplib for sending mails in python 2.7. The below code is pretty simple: import ... .7.3 Authentication unsuccessful'). See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags