Recent questions tagged Python

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python - How to create a fade out effect in Tkinter? My code crashes

I am building an application in Tkinter with a custom window through overrideredirect. I have bound my self-designed ... 0.02) Window.destroy() 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 hide password characters?

I created a simple program in which I added username and password entry (no GUI) by using an if else conditional ... : print ('wrong username') 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 - Keras Visualization of Model Built from Functional API

I wanted to ask if there was an easy way to visualize a Keras model built from the Functional API? Right ... more complex, non-sequential model. 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 replacement for DateModifierNode in new versions of Django

I want to do a query based on two fields of a model, a date, offset by an int, used as a timedelta model ... too long - anyone 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 - Jupyter on EC2: SSL Error

I'm trying to serve a Jupyter notebook from EC2 but I'm getting an SSL error. I'm using ... :SSL routines:SSL_CTX_use_PrivateKey_file:PEM lib 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 - Creating an array of numbers that sum to a given number

I've been working on some quick and dirty scripts for doing some of my chemistry homework, and one of them iterates ... x works for what I want 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 - Efficient way for appending numpy array

I will keep it simple.I have a loop that appends new row to a numpy array...what is the efficient ... worse it creates an uninitialised value. 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 I create dynamic variable names inside a loop in pandas

I have a dataframe like month dest 1 a 1 bb 2 cc 2 dd 3 ee 4 bb I need to create a set to ... a dynamic string variable/name of dataframe. 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 Excel Writer using Openpyxl with existing workbook

I have code from a while ago that I am re-using for a new task. The task is to write a new DataFrame ... where i got the original idea from. 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 setup a Postgres extension?

In the latest release of Django (1.8), a few model fields have been added to take advantage of the ... class to perform the database extension? See Question&Answers more detail:os...

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

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643 views

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python - How to create groupby subplots in Pandas?

I've got a dataframe with timeseries data of crime with a facet on offence (which looks like the format below). ... plt.tight_layout()][1]][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 - How to include tkinter when using cx_freeze to convert script to .exe?

I am using cx_freeze to transfer a python file to a exe. the problem is when i exclude tkinter in the ... ) from None KeyError: 'TCL_LIBRARY' 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 - Modifying dataFrames inside a list is not working

I have two DataFrames and I want to perform the same list of cleaning ops. I realized I can merge into one, and ... I the first raw went away. See Question&Answers more detail:os...

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

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409 views

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python - How to remove repititve pattern from an image using FFT

I have image of skin colour with repetitive pattern (Horizontal White Lines) generated by a scanner that uses a line ... 'Processed') plt.show() See Question&Answers more detail:os...

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

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352 views

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python - How can I get a Tkinter widget attribute?

I create a Button, and set its callback, but how can I get the attribute of the button like fg? from Tkinter ... it will tell me it is blue. See Question&Answers more detail:os...

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

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432 views

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python - Why ttk Progressbar appears after process in Tkinter

I want to create a large text upon Tkinter menu command and provide visual support by a progress bar. Although ... (1.0, self.file_content) 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 - ptrepack sortby needs 'full' index

I am trying to ptrepack a HDF file that was created with pandas HDFStore pytables interface. The main index of the ... are not 'full' indexes? See Question&Answers more detail:os...

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

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353 views

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python - Why the second time I run "readlines" on the same file nothing is returned?

>>> f = open('/tmp/version.txt', 'r') >>> f <open file '/tmp/version.txt', mode 'r' at ... in Python's interpreter. Why does this happen? See Question&Answers more detail:os...

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

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401 views

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python 2.7 - imapclient error on Windows

Environment that I'm having trouble on: Python 2.7.11 on Windows10 (patched up to date). Python installed via ... place of the Outlook domain. 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 - Animated interactive plot using matplotlib

While looking for a way to make animated interactive plot using matplotlib, I encountered this piece of code on ... slider (using click event). See Question&Answers more detail:os...

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

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467 views

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python - Is it possible to get a Flowable's coordinate position once it's rendered using ReportLab.platypus?

My main goal is to have all the Image flowables on a page to act as though they are clickable links. In order ... or is it not possible? 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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447 views

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python - How to play an audiofile with pyaudio?

I do not understand the example material for pyaudio. It seems they had written an entire small program and it threw ... to play an audio 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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701 views

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python - Passing arguments into os.system

I need to execute the following command through python. rtl2gds is a tool which reads in 2 parameters: Path to a ... ). Any help 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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389 views

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python - pdist for theano tensor

I have a theano symbolic matrix x = T.fmatrix('input') x will be later on populated by n vectors of dim ... nxn entries of the distance matrix. See Question&Answers more detail:os...

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

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897 views

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python - plt.show() not working in spyder ide

I am new to Python and Spyder. I am using Python 2.7.13 and Spyder 3.1.4. I cannot get plt.show() to work on ... 0.03) ax.grid(True) plt.show() See Question&Answers more detail:os...

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

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481 views

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python - Single quoted string vs. double quoted string

Why do we need an escape character for single quoted string, but not for a double quoted string? a = ' ... going' ^ SyntaxError: invalid syntax 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 - Change Icon For Tkinter Messagebox

Is there a way to change the icon of a tkinter message box? Here is my code: from tkinter import * import ... tkinter feather to a custom ico? See Question&Answers more detail:os...

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

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554 views

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python 2.7 - How to convert wand image object to open cv image (numpy array)

I have imported wand using the following code from wand.image import Image as WandImage from wand.color import ... image object 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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