Recent questions tagged Python

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python - Getting chrome performance and tracing logs

I'm trying to follow the idea suggested in the Web Performance Testing with WebDriver google test automation ... relevant command-line switch. 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 - Correct way to generate random numbers in Cython?

What is the most efficient and portable way to generate a random random in [0,1] in Cython? One approach is to ... of calling rand() from libc? 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 get unix timestamp from numpy.datetime64

How do I get the UNIX time from a numpy.datetime64 or numpy.datetime_? As in for example: np.datetime_('2012-08-08 13:37:00') 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 2.7 - Django Webfaction 'Timeout when reading response headers from daemon process'

My Django app on my production server hosted on Webfaction was working fine until I just tried to ... application = get_wsgi_application() 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 reload a cython module interactively using pyximport

When writing python code, my typical workflow is to use the interactive prompt and do something like write ... 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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python - OperationalError: (2002, "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)")

when connecting to mysql database in Django ,I get the error. I'm sure mysql server is running. /var/run/mysqld/ ... in my.cnf and it wokrs. 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 was midnight yesterday as an epoch time?

I'm trying to get my head around the datetime module. I know the time now as an epoch and the time an ... a datetime to set the time. 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 determine appropriate strftime format from a date string?

The dateutil parser does a great job of correctly guessing the date and time from a wide variety of sources. We ... ) Is there such a function? 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 - Export pandas Styled table to image file

The code below when run in jupyter notebook renders a table with a colour gradient format that I ... background_gradient(cmap=cm) styled_table 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 - TensorFlow: Max of a tensor along an axis

My question is in two connected parts: How do I calculate the max along a certain axis of a tensor? For ... to be two dimensional tensors only! 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 - raise statement on a conditional expression

Following "Samurai principle", I'm trying to do this on my functions but seems it's wrong... return <value> ... " way to do 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 modify item in list, save back in list

I have a hunch that I need to access an item in a list (of strings), modify that item (as a string), ... track of the index I am currently at 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 - Check if two items are in a list, in a particular order?

Say I have a list v = [1, 2, 3, 4, 3, 1, 2]. I want to write a function, find_pair which ... it possible to implement find_pair without a loop? 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 use OpenCV with Heroku

When I attempt to deploy my application to Heroku I receive the following error: File "/app/project/app/_ ... openCV (python) on Heroku? 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 - Pipeline: Multiple classifiers?

I read following example on Pipelines and GridSearchCV in Python: http://www.davidsbatista.net/blog/2017/04/01/ ... the best model/parameters. See Question&Answers more detail:os...

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

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835 views

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python - NLTK: corpus-level bleu vs sentence-level BLEU score

I have imported nltk in python to calculate BLEU Score on Ubuntu. I understand how sentence-level BLEU score ... Any help would be 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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607 views

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python - pytesseract using tesseract 4.0 numbers only not working

Any one tried to get numbers only calling the latest version of tesseract 4.0 in python? The below worked in ... 'outputbase digits') print(im) See Question&Answers more detail:os...

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

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316 views

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python - Turtle Graphics Not Responding

I am creating diagrams with the turtle package in Python, and it is successful to some extent, except for one ... , right, left forward(50) 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 - Admin Site: TemplateDoesNotExist at /admin/

I'm following Django's official Tutorial 2 but for some reason cannot create an admin site despite following ... INSTALLED_APPS in settings.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 - basic pyodbc bulk insert

In a python script, I need to run a query on one datasource and insert each row from that query into ... the latest pyodbc and python versions. See Question&Answers more detail:os...

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

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151 views

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python - pandas sort lambda function

Given a dataframe a with 3 columns, A , B , C and 3 rows of numerical values. How does one sort all the rows with a comp ... a['A'][j]*a['B'][j] See Question&Answers more detail:os...

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

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178 views

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python - Relationship between string module and str

What is the difference or relationship between str and string? import string print str print string See Question&Answers more detail:os...

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

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721 views

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python - Pandas groupby to to_csv

Want to output a Pandas groupby dataframe to CSV. Tried various StackOverflow solutions but they have not worked. ... the 'apply' method" See Question&Answers more detail:os...

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

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231 views

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python - Accented characters in Matplotlib

Is there a way to get Matplotlib to render accented chars (é,?,a,etc)? For instance, I'm trying to ... characters that Matplotlib does not have. See Question&Answers more detail:os...

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

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278 views

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python - How to get a tensorflow op by name?

You can get a tensor by name with tf.get_default_graph().get_tensor_by_name("tensor_name:0") But can you get ... variables all over the place. See Question&Answers more detail:os...

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

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488 views

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python - Buffered data was truncated after reaching the output size limit

When I use Colaboratory to run my NIN model, it occurs an error in the output of training process which ... reaching the output size limit. See Question&Answers more detail:os...

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

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978 views

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python - ImportError: No module named django.core.wsgi for uwsgi

I'm using uwsgi for my Django(version =1.4) project, but there's an error if I ... get_wsgi_application application = get_wsgi_application() 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 access the form submit button value in Django?

I have a Django project that, on one page, has multiple forms (in different tags) that can be submitted to ... of the forms has been submitted? See Question&Answers more detail:os...

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

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