Recent questions tagged PYTHON

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python - Find all possible sublists of a list

Let's say I have the following list [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18] I want to find ... method, that's why I need a better one. 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 - Sum up column values in Pandas DataFrame

In a pandas DataFrame, is it possible to collapse columns which have identical values, and sum up the values in ... 3 19.654137 9.399900 expert See Question&Answers more detail:os...

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

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342 views

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python - semantics of __module__

I'm dynamically defining functions in a module and then updating the module's __all__ and the function's __name__ ... anyone knows 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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495 views

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python - Getting console.log output from Firefox with Selenium

I'm trying to get a web page's console.log output from Firefox via the python Selenium API bindings. Based ... is this a Selenium limitation? 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: FileInput instance has no attribute '__exit__'

I am trying to read from multiple input files and print the second row from each file next to each other as ... has no attribute '__exit__'" 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 can't I upload jpg files to my Django app via admin/?

I'm trying to add images to my models in my Django app. models.py class ImageMain(models.Model): product ... to successfully upload a png 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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python - Convert Parquet to CSV

How to convert Parquet to CSV from a local file system (e.g. python, some library etc.) but WITHOUT Spark? ... between 2 commas).. 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 - Is it possible to use Mysql with SqlAlchemy and Flask if my mysql socket isn't in /tmp?

The location for mysql.sock on my system is /usr/local/mysql5/mysqld.sock thrilllap-2:tmp reuven$ mysqld ... via the Flash-SQLAlchemy connector 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 - Is there a way to outline text with a dark line in PIL?

I'm using python/PIL to write text on a set of PNG images. I was able to get the font I wanted, but I'd like to ... ("newimg" + str(i) +".png") 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 datetime columns to a different timezone pandas

I have two datetime columns which are naive when I read them into memory but which are in US/Eastern actually. ... I created my new columns? See Question&Answers more detail:os...

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

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873 views

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python - Matplotlib Contour Clabel Location

I would like to control the location of matplotlib clabels on a contour plot, but without utilizing the ... be 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 - Per-transaction isolation level in Django ORM

Is it possible to set isolation level for custom transaction (but not with raw sql)? For example, something ... (isolation='SERIALIZABLE'): bla 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 - GAE - AppEngine - DeadlineExceededError: Deadline exceeded while waiting for HTTP response from URL:

I have a Google AppEngine application which runs great on my local machine. The app posts a image (from a ... complete loss here. 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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496 views

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python - Can't install Pillow in Windows

The installation process asks for zlib and I even setup & cloned it from Github. I'm new to all ... readthedocs.io/en/latest/installation.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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418 views

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python - How to remove a word completely from a Word2Vec model in gensim?

Given a model, e.g. from gensim.models.word2vec import Word2Vec documents = ["Human machine interface for lab ... of the specific 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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475 views

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python - Web app hangs for several hours in ssl.py at self._sslobj.do_handshake()

I am using Python 2.7.5. I have a web app which queries an API every few minutes and has been working ... as an answer to this question. See Question&Answers more detail:os...

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

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464 views

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python - Can't install Fiona on Windows

I've done a software on Ubuntu, and I'm having several problems to run this software on Windows. My ... ImportError: No module named ogrext See Question&Answers more detail:os...

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

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387 views

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python - How to read file attributes in a directory?

For example: import os print(os.listdir("path/to/dir")) will list files in a directory. How do I get the ... for all files in the directory? See Question&Answers more detail:os...

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

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340 views

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python - Importing resource file to PyQt code?

I have seen Qt documentary and a lot of questions less-similar to this one, But i still haven't figured out ... still need to specify full path? See Question&Answers more detail:os...

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

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299 views

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python - ImportError: No module named extern

I'm getting this error when trying to install any package with pip. I have two pip instances, one with Python ... py install. 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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322 views

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python - Storing multidimensional arrays in pandas DataFrame columns

I'm hoping to use pandas as the main Trace (series of points in parameter space from MCMC) object. I have a list of ... ['y'][1].shape (2,1) See Question&Answers more detail:os...

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

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335 views

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python - What is the most Pythonic way to filter a set?

I have list consisting with replacements and I want to do two things: remove duplicates remove all elements by ... pythonic/more efficient way? See Question&Answers more detail:os...

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

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305 views

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python - Is it possible to access enclosing context manager?

There are essentially three ways to use the with statement: Use an existing context manager: with manager: pass ... some way to access 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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1.2k views

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python - roc_auc_score - Only one class present in y_true

I am doing a k-fold XV on an existing dataframe, and I need to get the AUC score. The problem is - sometimes ... can make it work in such cases? See Question&Answers more detail:os...

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

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654 views

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python - Enable executing multiple statements while execution via sqlalchemy

I have a DDL object (create_function_foo) that contains a create function statement. In first line of it I put DROP ... Where I should put 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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603 views

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python - Cython Compilation Error: dynamic module does not define module export function

I am building a package in Cython. I am using the following as the structure for setup.py: from distutils.core ... why this is not compiling? See Question&Answers more detail:os...

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

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270 views

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python - How about having a SingletonModel in Django?

I'm making a very simple website in Django. On one of the pages there is a vertical ticker box. I need to ... my problem in a different way? See Question&Answers more detail:os...

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

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418 views

1 answer

python - Pass column name as parameter to PostgreSQL using psycopg2

I'm trying to add columns to a table using psycopg2 row1 below is a list of column names to be added to the ... to do with the single quotes '' See Question&Answers more detail:os...

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

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