Recent questions tagged Python

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python - Substitutions inside Sphinx code blocks aren't replaced

In this reST example meant to be rendered by Sphinx, |yaco_url| doesn't get replaced because it's in a ... | before rendering the code block. 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 get tz_info object corresponding to current timezone?

Is there a cross-platform function in python (or pytz) that returns a tzinfo object corresponding to the ... they are not cross-platform 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 - Find how many lines in string

I am creating a python movie player/maker, and I want to find the number of lines in a multiple line string. I ... " line1 line2 """ getLines(x) 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 - Pandas, Future Warning: Indexing with multiple keys

Pandas throws a Future Warning when I apply a function to multiple columns of a groupby object. It suggests to use a list as ... 5 5 6 7 8 8 9 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 - Does sqlite3 compress data?

I've got an 7.4Gb csv file. After converting it to a sqlite database with a python script the output DB ... of characters stored in each row. 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 - delete items from a set while iterating over it

I have a set myset, and I have a function which iterates over it to perform some operation on its items and ... sth Is there any better 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 - Server error (500) Django deployment on heroku

I turned debug to False in my settings.py file (note that before I turned it to false, everything was workign ... me if you know the answer 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 - Spectrogram of a wave file

I am trying to obtain spectrogram of a wav file in python. But it gives the error: 'module' object has no ... the spectrogram of a wav file? 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 - size of executable using pyinstaller and numpy

I wrote a short program main.py using numpy and Qt: from PyQt5 import QtWidgets import numpy as np import sys ... the dlls I really use? 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 would I use Orb detector with image homography?

I'm wanting to use orb detectors to draw a bounding box around a found image, similarly to the example ... = cv2.perspectiveTransform(pts,M) 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 you add a manifest to PyInstaller compiled EXE?

I am trying to add this manifest to my PyInstaller compiled EXE: <?xml version="1.0" encoding="UTF-8" standalone="yes"? ... .5.1 and kivy 1.9.1. 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 - tkinter move object on canvas

I'm new in python. I'm trying to achieve a simple object movement on canvas. The idea is to simply update X ... True: choose() root.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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python - Wait for a delay before capture website image with PyQt

I'm working with PyQt (as a Python beginner). I need to be able to take screenshots of a website on a headless ... to a 32/64 bits issue). 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 extract nouns using NLTK pos_tag()?

I am fairly new to python. I am not able to figure out the bug. I want to extract nouns using NLTK. I have ... ', 'Ram' 'Aaron', 'design'] 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 - Giving a command in a embedded terminal

I'm using the following python code to embed a terminal window (from Ubuntu Linux) in a Tkinter window. I ... How would I get this working? 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 you install pywin32 from a binary file in tox on Windows?

My application depends on pywin32 which I have installed in my system environment via Windows binary file. How do ... file in tox on Windows? 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 default backend for matplotlib in Jupyter Ipython

Right now the default backend for matplotlib is 'module://ipykernel.pylab.backend_inline' I want to switch that ... default backend in Jupyter? See Question&Answers more detail:os...

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

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429 views

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python - Matplotlib: disable powers of ten in log plot

Is there a simple way to make matplotlib not show the powers of ten in a log plot, and instead just show the ... off the power of ten notation? 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 - machine learning-how to use the past 20 rows as an input for X for each Y value

I have a very simple machine learning code here: # load dataset dataframe = pandas.read_csv("USDJPY,5.csv", header= ... as my case. Any ideas? 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 create dynamic tables and columns

I'm trying to create db tables and columns dynamically in line with the data I retrieve. I retrieve a list of ... ideas what I am doing 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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305 views

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python - Detecting outer most-edge of image and plotting based on it

I'm working on a project that can calculate the angle of an elbow joint by image. The part I'm ... be hugely grateful of any assistance. 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 - Replace a specific range of values in a pandas dataframe

I have big data set and there are tons of values which are way over average. For example, A B 1 'H' 10 2 'E' 10000 ... 'L' 8 5 'O' 11 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 - How to Normalize Names

I am using pandas dataframes and I have data where I have customers per company. However, the company titles vary ... idea where I should start? 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 - Three sum algorithm solution

Original Problem Statement: Given an array S of n integers, are there elements a, b, C in S such that ... .com/problems/two-sum/description/ 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 model polymorphism with proxy inheritance

My Discount model describes common fields for all types of discounts in the system. I have some proxy models ... another way to achieve 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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483 views

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python - Split datetime64 column into a date and time column in pandas dataframe

If I have a dataframe with the first column being a datetime64 column. How do I split this column into 2 ... of the class libraries 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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346 views

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python - Global Interpreter Lock and access to data (eg. for NumPy arrays)

I am writing a C extension for Python, which should release the Global Interpreter Lock while it operates on data. ... be present for NumPy. } See Question&Answers more detail:os...

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

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292 views

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python - Flask long routines

I have to do some long work in my Flask app. And I want to do it async. Just start working, and then ... ? Should I use something like Celery? See Question&Answers more detail:os...

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

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