Recent questions tagged Python

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Suppose I have a DataFrame with MultiIndex columns. How can I collapse the levels to a concatenation of the values so that I ... 9 4 7 0 8 2 5 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 - Can I generate and show a different image during each loop with Matplotlib?

I am new to Matplotlib and Python. I mostly use Matlab. Currently, I am working with a Python code where ... my Matlab code 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 - Pandas offset DatetimeIndex to next business if date is not a business day

I have a DataFrame which is indexed with the last day of the month. Sometimes this date is a weekday and sometimes it ... -06-01 0 2015-06-30 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 - Interpolating elements of a color matrix on the basis of some given reference elements

This is more or less a follow up question to Two dimensional color ramp (256x256 matrix) interpolated from 4 corner ... ='nearest') 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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python - Sentinel object and its applications?

I know in python the builtin object() returns a sentinel object. I'm curious to what it is, but mainly its applications. 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 - Define custom LSTM Cell in Keras?

I use Keras with TensorFlow as back-end. If I want to make a modification to an LSTM cell, such as " ... whatever multiplies it, has no effect. 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 - Static Root and Static Url confusion in Django

I am trying to read create mp3 files in django. but I am confused about static and static_root that I have ... how this works ? 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 - GMPY2 Not installing, mpir.h not found

I am trying to install gmpy2 on my Anaconda Python 3.5 distribution using pip. I was able to install other modules ... how to fix this. 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 - Creating self-referential tables with polymorphism in SQLALchemy

I'm trying to create a db structure in which I have many types of content entities, of which one, a Comment ... . How do I specify onclause? 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 - Plotting a curve with equidistant (arc-length) markers

I would like to plot a graph of some experimental data which is sampled at a relatively high rate, but ... be a python+matplotlib 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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python - How to find the maximum number in a list using a loop?

So I have this list and variables: nums = [14, 8, 9, 16, 3, 11, 5] big = nums[0] spot = 0 I'm ... a starter. How do I do that on 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 pygame.camera.init() NO vidcapture

I am trying to initialize the camera module in pygame and display video from a usb webcam. This is my code: import ... PLS HELP!!! Im 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 - How do I pass variables from one view to another and render with the last view's URL in Django?

I'm building a student management system using Django. In this code, The user search for a student with the ... Thanks for any suggestions/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 - Fuzzy Group By, Grouping Similar Words

this question is asked here before What is a good strategy to group similar words? but no clear answer is given ... of that group / cluster. 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 remove all text between the outer parentheses in a string?

When I have a string like this: s1 = 'stuff(remove_me)' I can easily remove the parentheses and the ... for arbitrarily complex expressions)? 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 - Plotly: How to make a line plot from a pandas dataframe with a long or wide format?

(This is a self-answered post to help others shorten their answers to plotly questions by not having to explain how ... arguments ['x'] is 100` 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 - MultiValueDictKeyError in Django

I get this Error when I do a get request and not during post requests. Error:- MultiValueDictKeyError at /StartPage/ "Key ... }} </body> </html> See Question&Answers more detail:os...

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

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220 views

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python - Incrementing a for loop, inside the loop

Is it possible to increment a for loop inside of the loop in python 3? for example: for i in range(0, len( ... a for loop is 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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python - How to have win32com code completion in IPython?

Via import win32com.client wordapp = win32com.client.gencache.EnsureDispatch('Word.Application') I can get a Word ... way to add 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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python - Django Template does not exist error, although it shows 'file exists'

I am not able to render any html pages in Django 1.7. My 'index.html' is in 'project/seatalloc/templates ... Django, could someone 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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677 views

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python - matrix determinant differentiation in tensorflow

I am interested in computing the derivative of a matrix determinant using TensorFlow. I can see from experimentation that ... print sess.run(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 - pdfminer - ImportError: No module named pdfminer.pdfdocument

I am trying to install pdfMiner to work with CollectiveAccess. My host (pair.com) has given me the following ... or different about their setup) 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 an equivalent of override exist for nested functions?

If I have this function, what should I do to replace the inner function with my own custom version? def foo( ... imported module I can't modify. 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 - merge pandas dataframe with key duplicates

I have 2 dataframes, both have a key column which could have duplicates, but the dataframes mostly have the same ... how I can accomplish 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 - make array index 1 instead of index 0 based

How can I make an array start at subscript 1 instead of subscript 0 in python? Basically to solve this problem 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 - RuntimeWarning: coroutine 'main' was never awaited

I'm trying to parse and put JSON async but getting: RuntimeWarning: coroutine 'main' was never awaited import ... I could use async 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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215 views

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python - One hot encoding train with values not present on test

I have a train and test set stored as Dataframes. I am trying to One-hot encode nominal features on my ... new features and their indices ?? 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 exit a multithreaded program?

I was just messing around with threading in python, wrote this basic IM thingy [code at bottom] I noticed that when ... shout = Shout().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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