Recent questions tagged Python

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import re from decimal import * import numpy from scipy.signal import cspline1d, cspline1d_eval import scipy. ... know what is happening 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 - Behavior of matplotlib inline plots in Jupyter notebook based on the cell content

I am curious to understand the below explained behavior of inline matplotlib plots in the Jupyter notebook. I will show ... --version # 5.5.0 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 - Source code for str.split?

I would like to see how str.split() is implemented in Python Here's what I tried: > inspect.getsource( ... for Greatest Common Divisor 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 - Pythonic way to calculate streaks in pandas dataframe

Given df df = pd.DataFrame([[1, 5, 2, 8, 2], [2, 4, 4, 20, 2], [3, 3, 1, 20, 2], [4, 2, 2, 1, 3], [5, 1 ... 0 12 0.0 1.0 10 5 1 4 20 -2 1.0 0.0 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 - I trained a keras model on google colab. Now not able to load it locally on my system.

with open('2model.json','r') as f: json = f.read() model = model_from_json(json) model.load_weights(" ... what to add. Please 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 - Keep lxml from creating self-closing tags

I have a (old) tool which does not understand self-closing tags like <STATUS/>. So, we need to serialize our ... <STATUS></STATUS>.</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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python - What is the correct boilerplate for explicit relative imports?

In PEP 366 - Main module explicit relative imports which introduced the module-scope variable __package__ to allow explicit ... ) python3 foo/)? 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 - Match an arbitrary path, or the empty string, without adding multiple Flask route decorators

I want to capture all urls beginning with the prefix /stuff, so that the following examples match: /users, /users ... =None): return str(path) 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 - Transfer file from AWS S3 to SFTP using Boto 3

I am a beginner in using Boto3 and I would like to transfer a file from an S3 bucket to am SFTP server ... # Closes the connection srv.close() See Question&Answers more detail:os...

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

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616 views

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python - EOF when using pexpect and pxssh

I'm trying to run the code in the Interacting with SSH Through Pexpect and Brute Forcing SSH Passwords with Pxssh sections ... Mac OS X 10.8.4. 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 - set_xlim,set_ylim,set_zlim commands in matplotlib fail to clip displayed data

I'm building a GUI with Tkinter and ttk and using matplotlib in order to creat interactive plots - again, ... problem. Edit: Added Screenshot: See Question&Answers more detail:os...

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

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702 views

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python setup.py py2exe Invalid Syntax (asyncsupport.py, line 22)

This command works fine on my personal computer but keeps giving me this error on my work PC. What could be ... break tags in this spreadsheet") 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 an error : ModuleNotFoundError: No module named 'sklearn.linear_model._logistic' in Heroku

Getting an error: ModuleNotFoundError: No module named 'sklearn.linear_model._logistic' Requirements.txt: gunicorn==19.9.0 ... boot.' 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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1.1k views

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python - PyTorch: What is the difference between tensor.cuda() and tensor.to(torch.device("cuda:0"))?

In PyTorch, what is the difference between the following two methods in sending a tensor (or model) to GPU: Setup: X = ... 0") X = X.to(device) 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 loop dictionary with multiple values in Jinja?

I have a dictionary like so: {'a': [Object, 0], 'b': [Object, 1] } Where object is an actual object ... can do this type of logic in Jinja? 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 - Concatenate multiple zlib compressed data streams into a single stream efficiently

If I have several binary strings with compressed zlib data, is there a way to efficiently combine them into a ... and use ctypes 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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687 views

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python - Dynamically modifying serializer fields in Django Rest Framework

I'm trying to use the Advanced serializer usage described in the django rest framework documentation. http://django ... ' object is not callable 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 - ERROR: Could not find a version that satisfies the requirement tensorflow (from versions: none) ERROR: No matching distribution found for tensorflow)

I want to install tensorflow to use Keras LSTM I installed Keras, and i import this lines to my code. from keras. ... 19.3 , python version 3.7 See Question&Answers more detail:os...

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

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651 views

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python - For loops (novice)

I recently started learning Python, and the concept of for loops is still a little confusing for me. I understand ... use a while loop 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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845 views

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python - '' doesn't print backspace in PyCharm console

I am trying to update the last line in PyCharm's console. Say, I print a and then I want to change it to ... ? or maybe delete the whole line? 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 - Why does my function overwrite a list passed as a parameter?

I have created a function that takes a list as a parameter. It shuffles the list, replaces the first element and returns ... 'b' >>> string 'a' 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 incorrect rounding with floating point numbers

>>> a = 0.3135 >>> print("%.3f" % a) 0.314 >>> a = 0.3125 >>> print("%.3f" % a) 0.312 ... there alternative way I can use to get 0.313? 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 - How to update a progress bar in a loop?

What is the easy method to update Tkinter progress bar in a loop? I need a solution without much mess, ... Begining of a program loop_function() See Question&Answers more detail:os...

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

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669 views

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python - pandas dataframe: how to aggregate a subset of rows based on value of a column

I have a pandas dataframe structured like this: value lab A 50 B 35 C 8 D 5 E 1 F 1 This is just ... leave the rest of the dataframe unaltered. See Question&Answers more detail:os...

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

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698 views

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python - django-admin.py prints help only

I am using django 1.3.1 I followed the online tutorial and tried to use "django-admin.py startproject mysite". But I ... (...) What is going on? See Question&Answers more detail:os...

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

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506 views

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python - wxPython problems with wrapping staticText

A simplified version of the code is posted below (white space, comments, etc. removed to reduce size - ... wxFileCleanupApp() app.MainLoop() See Question&Answers more detail:os...

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

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776 views

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python - Differences in importing modules/subpackages of numpy and Scipy packages

I am using scipy and numpy through Anaconda 2.1.0 distribution. I use Spyder as my Python IDE. When I ... scipy subpackages into sp's namespace? See Question&Answers more detail:os...

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

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647 views

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python - Django modeltranslation queries fallback

I'm using django modeltranslation for a multi-language site. Language fallback works good when reading attributes ... ? Thanks in advance. See Question&Answers more detail:os...

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

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