Recent questions tagged Python

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python - transform entire axes (or scatter plot) in matplotlib

I am plotting changes in mean and variance of some data with the following code import matplotlib.pyplot as ... transform? 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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python - Start/stop a while loop?

I'm trying to write a program that makes a list of all .xml files in a folder, then copies them to another ... the function that I want to loop! 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 positive and negative number list possibilities

I'm trying to make a function in Python that takes a list of integers as input and returns a greater list containing all ... +,+],[+,+,+] ] 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 - Compute the pairwise distance between each pair of the two collections of inputs in TensorFlow

I have two collections. One consists of m1 points in k dimensions and another one of m2 points in ... even for Eucledian distance. 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 the regression line to plot from a Pandas regression

I have tried with both the (pandas)pd.ols and the (statsmodels)sm.ols to get a regression scatter plot with ... went wrong in the prior code! 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 - Fast weighted euclidean distance between points in arrays

I need to efficiently calculate the euclidean weighted distances for every x,y point in a given array to every other ... (which I also have) 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 create rolling percentage for groupby DataFrame

I am trying to calculate the percent change by month for each product. Here is what I have so far. ... this calculated correctly is 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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python - Using column name as a new attribute in pandas

I have the following data structure Date Agric Food 01/01/1990 1.3 0.9 01/02/1990 1.2 0.9 I would like to ... doing this in a few line of code? 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 - Failed to build graphics pipeline state in qt quick application

I have a qt quick pyside application .I had a question before,but now another proplem is there .Just a empty window ... 1) sys.exit(app.exec_()) 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 - Convert 16-bit grayscale to QImage

I am working on a sensor-based Python application built on a PyQt4 GUI. The sensor is generating 16-bit ... to illustrate the dynamic range: See Question&Answers more detail:os...

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

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547 views

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python - How to handle Google Authenticator with Selenium

I need to download a massive amount of excel-files (estimated: 500 - 1000) from sellercentral.amazon.de. ... a solution for any browser. 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 want to print text slowly and also have it as a input, however at the end it says None

I have defined this function to print text slowly: import sys from time import sleep def print_slow(s): for letter in ... I get rid of the None? 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 - Bash: Variable in single quote

First take a look at this question: Bash or GoogleCL: new line in a string parameter I want to add a variable $ ... 10.10 with Python 2.6. See Question&Answers more detail:os...

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

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396 views

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python - Is "safe_eval" really safe?

I'm looking for a "safe" eval function, to implement spreadsheet-like calculations (using numpy/scipy). The ... opinions on this are welcome. See Question&Answers more detail:os...

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

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970 views

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python - Cannot perform a backup or restore operation within a transaction

I am using PyODBC to back up my database, using following code: SQL_command = """ BACKUP DATABASE [MyDatabase] TO ... with my code? Many 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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780 views

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python - How to hold Plotly dash app behind protected route

I have a plotly dash app which I would like to hold behind a route that is protected with a JWT. My end ... == '__main__': app.run_server() 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 - Numpy drawing from urn

I want to run a relatively simple random draw in numpy, but I can't find a good way to express it. I think ... bit better, but still not great. 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 use FuncAnimation to update and animate multiple figures with matplotlib?

Trying to create a program that reads serial data and updates multiple figures (1 line and 2 bar charts for now but ... = 30, blit = True) 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 - How to show data labels when you mouse over data

I am plotting some data that looks like 931,Oxfordshire,9314125,123255,Larkmead School,Abingdon,125,124,20,SUPP,8 931, ... any way to 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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python - How to change the amount of increments in pyplot axis

Hi probably quite a simple question but.. When plotting a graph using matplotlib.pyplot my Y axis goes from -0. ... or so. Thanks for your 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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479 views

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python - Pytube only works periodically (KeyError: 'assets')

Five out of ten times Pytube will send me this error when attempting to run my small testing script. Here's the ... , but not the other half. See Question&Answers more detail:os...

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

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667 views

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python - Multithreaded file copy is far slower than a single thread on a multicore CPU

I am trying to write a multithreaded program in Python to accelerate the copying of (under 1000) .csv files. The ... : profile.run('main()') See Question&Answers more detail:os...

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

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475 views

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python - How do I terminate a flask app that's running as a service?

I was able to get my flask app running as a service thanks to Is it possible to run a Python script as a ... it still gives me the same 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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321 views

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python - Difference between list.pop() and list = list[:-1]

>>> a = [1,2,3] >>> a.pop() 3 >>> a [1, 2] >>> a = [1,2,3] >>> a = a[:-1] ... between the above methods to remove the last element from a list? 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 - Numpy inverts a non-invertible matrix

My friend and I executed this lines of code in Python 2 and Python 3: import numpy as np mat = np ... mat breaks numpy's inverse implementation? See Question&Answers more detail:os...

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

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672 views

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python - cx-freeze fails to include modules even when included specifically

I am trying to use cx-freeze to create a static self-contained distribution of my app (The Spye Python Engine, www. ... list. How do I fix 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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513 views

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python - pandas merge on date column issue

I am trying to merge two dataframes on date column (tried both as type object or datetime.date, but fails to give ... 2015-06-01 1.770041e+06 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 - Making a multi-table inheritance design generic in Django

First of all, some links to pages I've used for reference: A SO question, and the Django docs on ... a better suggestion. 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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