Recent questions tagged Python

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python 2.7 - Nested class is not defined in itself

The following code successfully prints OK: class B(object): def __init__(self): super(B, self).__init__() print 'OK' ... ) print 'OK' A() 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 - ConcatOp : Dimensions of inputs should match

I'm developing a deep learning model with tensor flow and python: First, using CNN layers, get features. Second, ... *** Error In 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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552 views

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python - Media Play/Pause Simulation

My keyboard contains a row of buttons for various non-standard keyboard tasks. These keys contain such functions as ... Windows, by the 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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python - How to deal with multiple serial ports for R/W using twisted?

Going through the twisted finger tutorial and seen the SO questions: Question-1 Question-2 However, I can't ... in the main application. 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 - undefined symbol: PyUnicodeUCS2_Decode whilst trying to install psycopg2

I'm getting an error whilst trying to install psycopg2 on ubuntu 9.10 64 bit. The error is: >>> import ... Any help would be appreciated. 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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360 views

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python - Environment $PATH different when using venv

I'm using PyCharm on a mac (OSX mavericks) to run a simple script shown below. All it does is print ... running from PyCharm and using venv? 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 - Ray and square/rectangle intersection in 3D

Hei. Are making a game and are looking for a ray intersection onto a square or a rectangle only in 3D space. Have search ... .y+t*by, 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 - Django: static file not found

Running Debian on Virtual Machine guest inside Windows host. Set Bridged for adapter-type. Installed Django on the ... STATIC_URL = '/static/' 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 - Using a custom PySide2 widget in Qt Designer

I'm searching for a way to use custom widgets in Qt Designer written with Qt for Python (PySide2) ... place the three labels correctly. 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 - filtering a 3D numpy array according to 2D numpy array

I have a 2D numpy array with the shape (3024, 4032). I have a 3D numpy array with the shape (3024, 4032 ... but not size on the last dimension? See Question&Answers more detail:os...

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

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327 views

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python - combinations with two elements

With python. It's possible to permute elements in a list with this method: def perms(seq): if len(seq) <= 1: ... I can't. Thanks for the 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 - SQLAlchemy Column to Row Transformation and vice versa -- is it possible?

I'm looking for a SQLAlchemy only solution for converting a dict received from a form submission into a series of ... in advance... Cheers, Paul See Question&Answers more detail:os...

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

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615 views

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python - Make SQLAlchemy COMMIT instead of ROLLBACK after a SELECT query

I am developing an app together with a partner. I do the database part (PostgreSQL), my partner implements the ... Maybe this recipe would 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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370 views

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python - What defines which Excel instance an Excel.Application COM object connects to?

import win32com.client as win32 excel = win32.gencache.EnsureDispatch('Excel.Application') for wb in excel.Workbooks: ... be the reason 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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417 views

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python - Setting UAC to requireAdministrator using PyInstaller onefile option and manifest

Okay, I've been going around and around trying to figure this one out. I'm building an application ... my methodology with Pyinstaller wrong? See Question&Answers more detail:os...

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

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785 views

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python - Pandas: Replacing Non-numeric cells with 0

I have the Pandas Dataframe in this format 0 or LIST requests 1 us-west-2 2 1.125e-05 3 0 4 3.032e-05 5 0 ... =True) any hint how can I 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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445 views

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python - Changing ttk widget text color

I've searched all over, but have yet to find a simple example showing how to change a minor element of a ... background color would also be OK. See Question&Answers more detail:os...

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

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314 views

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python - DJANGO_SETTINGS_MODULE is undefined

when i input from django.db import models into IDLE,the result throw a exception named Settings cannot be imported, ... and how i can fix 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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855 views

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python - How to apply numpy random.choice to a matrix of probability values (Vectorized solution)

The problem I have is as follows I have a 1-D list of integers (or np.array) with 3 values l = [ ... am looking for a fast/vectorized 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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516 views

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python - taking multiline input with sys.stdin

I have the following function: def getInput(): # define buffer (list of lines) buffer = [] run = True ... Command Prompt). Any ideas? 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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301 views

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python - Plot spectogram from mp3

I am trying to plot a spectogram straight from an mp3 file in python 2.7.3 (using ubuntu). I can do it from ... files to wav if I can avoid 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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706 views

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python - How to interact with ssh using subprocess module

I'm trying to spawn an ssh child process using subprocess. I'm working on Python 2.7.6 on ... should contain: sshserver@localhost's 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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595 views

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python - Reading DBF files with pyodbc

In a project, I need to extract data from a Visual FoxPro database, which is stored in dbf files, y have ... the 15 first or anything like 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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365 views

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python - How to find an optimum number of processes in GridSearchCV( ..., n_jobs = ... )?

I'm wondering, which is better to use with GridSearchCV( ..., n_jobs = ... ) to pick the best parameter set ... will be equal to n_jobs = 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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375 views

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python - Error setting up Mercurial on Windows Server 2008

I want to set up a Mercurial SC server and have been following the instructions found here: http//stackoverflow ... set of HTTP headers. See Question&Answers more detail:os...

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

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560 views

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python - How to identify incomplete rectangles in openCV

How would I go around identifying and extracting rectangles from an image such as the one shown below. Note that ... be partial lines. 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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378 views

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python 3.4 - How can I overcome this key word error?

enter code here # -*- coding: utf-8 -*- import math import matplotlib matplotlib.use("Agg") import matplotlib ... are no other logical errors. See Question&Answers more detail:os...

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

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302 views

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python - Create constrained random numbers?

CLEANED UP TEXT: How can I create m=5 random numbers that add upp to, say n=100. But, the first random ... be a polynomial time solution, 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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