Recent questions tagged Python

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python - How to tokenize a Malayalam word?

??????????????? itu oru stalam anu This is a Unicode string meaning this is a place import nltk nltk ... /chapter/10.1007%2F978-3-642-27872-3_38 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 - Running an async background task in Tornado

Reading the Tornado documentation, it's very clear how to call an async function to return a response: class ... returning the current request? 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 (index, column) pairs for True elements of a boolean DataFrame in Pandas

Say I have a Pandas DataFrame and I want to obtain a list of tuples of the form [(index1, column1), ( ... combined with sub2ind do the job. 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 - Matplotlib - Stepped histogram with already binned data

I am trying to get a histogram with already binned data. I have been trying to use bar() for this, but ... , instead of a filled histogram. 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 - Calling rm from subprocess using wildcards does not remove the files

I'm trying to build a function that will remove all the files that start with 'prepend' from the root of my ... might be doing wrong? 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 extract table names and column names from sql query?

So let assume we have such simple query: Select a.col1, b.col2 from tb1 as a inner join tb2 as b on tb1 ... and execute that query. 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 - how to merge two dataframes and sum the values of columns

I have two dataframes df1 Name class value Sri 1 5 Ram 2 8 viv 3 4 df2 Name class value Sri 1 5 viv 4 4 ... 7 8 Please help, 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 - How to write a Django view for a POST request

I have written a very small example: a junit button which sends a POST request with a pair of values: < ... by checking request.method 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 - Error installing and running pywin32 2.7

I am coming up with a couple errors after installing: pywin32-217.win32-py2.7 I have recently upgraded ArcGIS ... rest work fine. Thanks, Mike 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 - Changing strings to floats in an imported .csv

Quick question for an issue I haven't managed to solve quickly: I'm working with a .csv file and ... courteous/knowledgeable enough to 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 - Pandas writing dataframe to other postgresql schema

I am trying to write a pandas DataFrame to a PostgreSQL database, using a schema-qualified table. I use ... schema different than public? 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 - Insert static files literally into Jinja templates without parsing them

I'm trying to insert file into a page using Jinja 2.6 using the include tag. This worked fine until I started ... just include the file as is? 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 gunicorn sock file not created by wsgi

I have a basic django rest application in my digital ocean server (Ubuntu 16.04) with a local virtual ... 1]: Started gunicorn daemon. 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 - Java: automatic memoization

I have a few functions in my code where it makes much sense (seems even mandatory) to use memoization. I ... those functions where I want 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 - docker-compose , PermissionError: [Errno 13] Permission denied: '/manage.py'

After doing many research I didn't found any solution worked for me. I am trying to run command in docker- ... Release: 18.04 Codename: bionic 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 handle file upload via PUT request in Django?

I'm implementing a REST-style interface and would like to be able to create (via upload) files via a HTTP PUT ... method of access). 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 - error: Setup script exited with error: command 'gcc' failed with exit status 1

I get the following error when I try to install MySQL-python-1.2.3 under Python 2.6 in Fedora 14. Fedora 14 ... 'gcc' failed with exit status 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 - Django: Reverse for 'detail' with arguments '('',)' and keyword arguments '{}' not found

I'm following the official tutorial to learn Django and using 1.5. I had this link as part of my index ... Any help will be greatly 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 - Scrapy:How to print request referrer

Is it possible to get the request referrer from the response object in parse function? 10x 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: release memory after finish training process

I built an autoencoder model based on CNN structure using Keras, after finish the training process, my laptop has ... a good suggestion. 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 - Can't login to Django /admin interface

First of all, I am a newbie. I'm running Ubuntu 11.04 which comes with Python 2.7 so I installed ... answer to give someone some points? 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 - Cross platform hidden file detection

What is the best way to do cross-platform handling of hidden files? (preferably in Python, but other solutions still ... way to deal with 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 do I properly create custom text codecs?

I'm digging through some old binaries that contain (among other things) text. Their text frequently uses ... a custom character encoding. 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 - Custom transformer for sklearn Pipeline that alters both X and y

I want to create my own transformer for use with the sklearn Pipeline. Hence I am creating a class that implements ... (self, X): return 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 compare two dataframes and remove what matches in one column

I have two separate pandas dataframes (df1 and df2) which have multiple columns, but only one in common (' ... isin method in this scenario? See Question&Answers more detail:os...

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

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492 views

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python - PIL image.open() working for some images but not others

I use PIL to open AREA files from NOAA on a regular basis. In the last batch of images I received, ... . Any help greatly appreciated, 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 - Why doesn't this closure modify the variable in the enclosing scope?

This bit of Python does not work: def make_incrementer(start): def closure(): # I know I could write ' ... question): Read/Write Python Closures 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 - Looking for example using MediaFileUpload

Does anyone know where I can find complete sample code for uploading a local file and getting contents with ... only getting partial answers. See Question&Answers more detail:os...

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

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