Recent questions tagged Python

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python - Check if dataframe column is Categorical

I can't seem to get a simple dtype check working with Pandas' improved Categoricals in v0.15+. Basically I just ... of checks in pandas v0.15+? 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 - output the command line called by subprocess?

I'm using the subprocess.Popen call, and in another question I found out that I had been misunderstanding ... would you write getCommandLine ? 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 can I start ipython running a script?

My use case is I want to initialize some functions in a file and then start up ipython with those ... ipython --run_script=myscript.py 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 - "synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'." problem in TensorFlow

I installed TensorFlow 1.10.1 but when I tried to import TensorFlow it said that I need TensorFlow version 1.10.0. ... resource", np.ubyte, 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 - AttributeError: module 'importlib' has no attribute 'util'

I've just upgraded from Fedora 32 to Fedora 33 (which comes with Python 3.9). Since then gcloud command ... importlib' has no attribute 'util' 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 hours and minutes from a datetime.datetime object?

I am required to extract the time of the day from the datetime.datetime object returned by the created_at attribute ... and minutes from t1. 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 - NameError: name 'reload' is not defined

I'm using python 3.2.2. When I write a simple program, I meet the problem. >>> reload(recommendations) ... defined How should I do 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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python - "Parallel" pipeline to get best model using gridsearch

In sklearn, a serial pipeline can be defined to get the best combination of hyperparameters for all consecutive ... that possible in sklearn? 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 draw a rectangle and adjust its shape by drag and drop in PyQt5

I'm trying to draw a rectangle on GUI created by PyQt5 by drag and drop. I managed to do that, but the ... .deleteLater) 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 - Django - having middleware communicate with views/templates

Alright, this is probably a really silly question but I am new to Python/Django so I can't really wrap my ... the view? Is pprint 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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429 views

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python - How to count consecutive repetitions of a substring in a string?

I need to find consecutive (non-overlapping) repetitions of a substring in a string. I can count them but not ... . How can I do 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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378 views

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python - How to get distinct Django apps on same subdomain to share session cookie?

We have a couple of Django applications deployed on the same subdomain. A few power users need to jump ... something else? 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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312 views

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python - Find out into how many values a return value will be unpacked

I have a function, and when it is called, I'd like to know what the return value is going to be assigned to ... if not n: return return range(n) See Question&Answers more detail:os...

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

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129 views

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python - Adding dict object to postgresql

So I am using psycopg2 on Python3.5 to insert some data into a postgresql database. What I would like to do is ... would I go about doing 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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255 views

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python - matplotlib plot bar and line charts together

I want to plot bar and line together in one chart. When I plot bars, it displays correctly(g1 and g10 are ... idea how to fix this problem? See Question&Answers more detail:os...

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

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154 views

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python - Django - Auth with mongoengine DB

I want to handle authentications in my Django project with my mongoengine db. I tried a few examples about ... and password were incorrect.") See Question&Answers more detail:os...

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

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191 views

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python - Convert HTTP Proxy to HTTPS Proxy in Twisted

Recently I have been playing around with the HTTP Proxy in twisted. After much trial and error I think I ... about implementing such a thing? See Question&Answers more detail:os...

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

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168 views

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python - Custom connections between layers Keras

I would like to manually define connections in neural network between layers using keras with Python. By default ... be done in Keras? See Question&Answers more detail:os...

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

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442 views

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python - Sqlalchemy complex in_ clause with tuple in list of tuples

I'm trying to find a way to cause SQLAlchemy to generate a query of the following form: select * from t where ... on a way to emulate 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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175 views

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python - __next__ in generators and iterators and what is a method-wrapper?

I was reading about generator and iterators and the role of __next__() . '__next__' in dir(mygen). is ... again. Thanks everyone for answering! See Question&Answers more detail:os...

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

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224 views

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python - Displaying LaTeX in pyQt/pySide QTableWidget

I would like to add mathematical expressions to the table labels (e.g.: 2^3 should be properly formatted) ... form are there other options? See Question&Answers more detail:os...

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

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160 views

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python - OpenCV remove background

I am trying to remove the background of some images, tweaking some values and using some methods like morphologyEx ... 2 Holes 3 Final Image See Question&Answers more detail:os...

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

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241 views

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python - groupby multiple values, and plotting results

I'm using some data on fungicide usage which has the Year, Fungicide, Amount used, along with some ... still getting familiar with 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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272 views

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python - How to use nltk regex pattern to extract a specific phrase chunk?

I have written the following regex to tag certain phrases pattern pattern = """ P2: {<JJ>+ <RB>? <JJ> ... pattern for my second example as well? See Question&Answers more detail:os...

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

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347 views

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python - Subtract Overlaps Between Two Ranges Without Sets

NO SETS! I can't use Sets because: The ranges will be too long. They will take up too much memory The creation of ... ,30) and (10, 25) 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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269 views

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python - How to replace a value in a pandas dataframe with column name based on a condition?

I have a dataframe that looks something like this: I want to replace all 1's in the range A:D with the name of the ... .0,None,10.,None,557.0]}) See Question&Answers more detail:os...

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

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225 views

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python - How to use custom password validators beside the django auth password validators?

As the question above mentioned, I will trying to use a certain extra rule to validate a ... beside the django AUTH_PASSWORD_VALIDATORS. See Question&Answers more detail:os...

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

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201 views

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python - ipython --pylab vs ipython

What does ipython --pylab exactly do? Is ipython --pylab exactly equivalent to: > ipython > from pylab import * ... had started it with --pylab? See Question&Answers more detail:os...

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

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