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How to filter a dictionary according to an arbitrary condition function?
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Nowadays, in Python 2.7 and up, you can use a dict comprehension:
{k: v for k, v in points.iteritems() if v[0] < 5 and v[1] < 5}
And in Python 3:
{k: v for k, v in points.items() if v[0] < 5 and v[1] < 5}
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How to call Base Class's __init__ method from the child class? [duplicate]
...the answer you're looking for? Browse other questions tagged python python-2.7 inheritance constructor or ask your own question.
What's the best Django search app? [closed]
... the latest version of haystack (2.1) is not working at all with my python 2.7 version of django 1.4.
– Chris Hawkes
Aug 18 '13 at 2:13
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Installing SciPy and NumPy using pip
... using a python virtual environment for Python 3.4 (also worked for Python 2.7), and with the following in my setup.py (in the setup() method)
setup_requires=[
'numpy',
],
install_requires=[
'numpy',
'scipy',
],
I found I had to run the following to get pip install -e . to work:
pip ...
Checking if a string is empty or null in Java [duplicate]
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And all for the low low cost of adding 2.7 MB to your build.
– DavidS
Jan 17 at 20:19
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How can I convert a dictionary into a list of tuples?
...ict.items():
temp = [key,value]
dictlist.append(temp)
For Python 2.7 use
dictlist = []
for key, value in dict.iteritems():
temp = [key,value]
dictlist.append(temp)
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impro...
What’s the best way to reload / refresh an iframe?
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absolute it's work, but stuck with same domain origin policy ==a
– Bobby Stenly
Mar 19 '13 at 6:32
6
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How can I display an image from a file in Jupyter Notebook?
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This will import and display a .jpg image in Jupyter (tested with Python 2.7 in Anaconda environment)
from IPython.display import display
from PIL import Image
path="/path/to/image.jpg"
display(Image.open(path))
You may need to install PIL
in Anaconda this is done by typing
conda install pi...
ImportError: No module named MySQLdb
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this didn't work with python2.7.* for me. use of pip install MySQL-python worked.
– Rahul Goyal
Nov 29 '18 at 7:43
1
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Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
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