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How do I get user IP address in django?
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You can use django-ipware which supports Python 2 & 3 and handles IPv4 & IPv6.
Install:
pip install django-ipware
Simple Usage:
# In a view or a middleware where the `request` object is available
from ipware import get_client_ip
ip, is_routable = get_c...
How are feature_importances in RandomForestClassifier determined?
...ass:
https://github.com/pjh2011/rf_perm_feat_import
Edit: This works for Python 2.7, not 3
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Elasticsearch query to return all records
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This is the best solution I found using python client
# Initialize the scroll
page = es.search(
index = 'yourIndex',
doc_type = 'yourType',
scroll = '2m',
search_type = 'scan',
size = 1000,
body = {
# Your query's body
})
sid = page['_scr...
Reading/writing an INI file
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The creators of the .NET framework want you to use XML-based config files, rather than INI files. So no, there is no built-in mechanism for reading them.
There are third party solutions available, though.
INI handlers can be obtained as NuGet packages, such as INI Parser.
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How does Access-Control-Allow-Origin header work?
...d that Site A is allowed to access this page, the browser will trigger the XMLHttpRequest's error event and deny the response data to the requesting JavaScript code.
Non-simple requests
What happens on the network level can be slightly more complex than explained above. If the request is a "non-s...
Make var_dump look pretty
...tring when it turns out that the line breaks simply don't show. Especially XML trees.
Alternatively, I've once created a small little tool called InteractiveVarDump for this very purpose. It certainly has its limits but it can also be very convenient sometimes. Even though it was designed with PHP ...
How to install Boost on Ubuntu
...gex support:
sudo apt-get update
sudo apt-get install build-essential g++ python-dev autotools-dev libicu-dev build-essential libbz2-dev libboost-all-dev
Boost's bootstrap setup:
./bootstrap.sh --prefix=/usr/
Then build it with:
./b2
and eventually install it:
sudo ./b2 install
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Android Studio - Auto complete and other features not working
... working - A.S. 3.1.3 has suddenly stopped giving suggestions when editing XML !
– Someone Somewhere
Jun 20 '18 at 14:39
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How to calculate the angle between a line and the horizontal axis?
In a programming language (Python, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis?
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How can I sharpen an image in OpenCV?
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You can try a simple kernel and the filter2D function, e.g. in Python:
kernel = np.array([[-1,-1,-1], [-1,9,-1], [-1,-1,-1]])
im = cv2.filter2D(im, -1, kernel)
Wikipedia has a good overview of kernels with some more examples here - https://en.wikipedia.org/wiki/Kernel_(image_processin...