Recent questions tagged Python

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python - Add a new row to a Pandas DataFrame with specific index name

I'm trying to add a new row to the DataFrame with a specific index name 'e'. number variable values a ... Will be grateful for any suggestions. 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 - Understanding X-Sendfile

I've been doing some research regarding file downloads with access control, using Django. My goal is to completely ... etc. 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 - Matplotlib bar graph x axis won't plot string values

My name is David and I work for an ambulance service in Florida. I am using Python 2.7 and matplotlib. ... use Matplotlib as my reports engine. 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 returning a plot object

I have a function that wraps pyplot.plt so I can quickly create graphs with oft-used defaults: def plot_signal(time ... it can be edited later? 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 an order for ManyToManyField with Django

Is there a way to define the order of objects related through a ManyToManyField? Example: ArticleContainer1 contains in ... =True, null=True) 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 - NumPy: Comparing Elements in Two Arrays

Anyone ever come up to this problem? Let's say you have two arrays like the following a = array([1,2 ... millions of elements. Any ideas? Cheers 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 - Terminal issue with virtualenvwrapper after Mavericks Upgrade

After upgrading to OSX Mavericks, I am getting this message in the terminal: /usr/bin/python: No module named ... that PATH is set properly. 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 of numpy.where(condition) is not an array, but a tuple of arrays: why?

I am experimenting with the numpy.where(condition[, x, y]) function. From the numpy documentation, I learn that if you give ... 5, 6, 7, 8, 9]) 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 use '~' (tilde) in the context of paths?

I'm a web application development noob. I have a function that opens a file and reads it. Unfortunately, the ... ~/path/in/home/area'). 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 - BeatifulSoup4 get_text still has javascript

I'm trying to remove all the html/javascript using bs4, however, it doesn't get rid of javascript. I still ... nltk was always very good with. 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 - Print not showing in ipython notebook

I am using ipython notebook (http://ipython.org/notebook.html) to do a demo and it seems like the print function ... anyone know how to fix 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 - matplotlib.pyplot, preserve aspect ratio of the plot

Assuming we have a polygon coordinates as polygon = [(x1, y1), (x2, y2), ...], the following code displays ... matter how I resize the window.) 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 - Using Alembic API from inside application code

I am using SQLite as an application file format (see here for why you would want to do this) for my PySide ... that makes a difference. 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 - IPython Notebook ipywidgets does not show

I created a table with an interactive slider that allows me to toggle between different periods on my table. It was ... (1, 180)) display(v) 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 - Nested list comprehension with two lists

I understand how the simple list comprehension works eg.: [x*2 for x in range(5)] # returns [0,2,4,6, ... return of 9 elements on the first code 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 - Where is module being imported from?

Assuming I have two Python modules and path_b is in the import path: # file: path_b/my_module.py print "I ... was imported from path_a/app.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 - Histogram values of a Pandas Series

I have some values in a Python Pandas Series (type: pandas.core.series.Series) In [1]: series = pd.Series([0. ... (but that's an other 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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python - Serialising an Enum member to JSON

How do I serialise a Python Enum member to JSON, so that I can deserialise the resulting JSON back into a ... How can I avoid 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 head, tail and backward read by lines of a text file

How to implement somethig like the 'head' and 'tail' commands in python and backward read by lines of a text 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 - Heap's algorithm permutation generator

I need to iterate over permutations of a tuple of integers. The order has to be generated by swapping a pair of ... . What am I doing wrong? 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 - Daemonizing celery

Following instructions found here, I copied the script from github into /etc/init.d/celeryd, then made it ... why celeryd is not starting? See Question&Answers more detail:os...

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

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462 views

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python - Correct fitting with scipy curve_fit including errors in x?

I'm trying to fit a histogram with some data in it using scipy.optimize.curve_fit. If I want to add an ... . Is it possible to achieve? 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: Is there a way to measure FLOPS for a model?

The closest example I can get is found in this issue: https://github.com/tensorflow/tensorflow/issues/899 With ... especially with a PB 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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279 views

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python - How to use PIL to resize and apply rotation EXIF information to the file?

I am trying to use Python to resize picture. With my camera, files are all written is landscape way. The exif ... and PIL to apply 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 - Django and SSL question

I am planning to sell products by charging credit cards thus using SSL will be critical for Django-powered website ... done without it ? 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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233 views

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python - efficiently replace bad characters

I often work with utf-8 text containing characters like: xc2x99 xc2x95 xc2x85 etc These characters confuse other libraries I ... 'xc2x85, '...') See Question&Answers more detail:os...

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

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349 views

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python - Auto-populating created_by field with Django admin site

I want to use the Django admin interface for a very simple web application but I can't get around a problem ... seems harder than it should). 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 - Get rid of get_profile() in a migration to Django 1.6

With Django 1.5 and the introduction of custom user models the AUTH_PROFILE_MODULE became deprecated. In my existing ... for short-cuts :-) See Question&Answers more detail:os...

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

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