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Call a python function from jinja2
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For those using Flask, put this in your __init__.py:
def clever_function():
return u'HELLO'
app.jinja_env.globals.update(clever_function=clever_function)
and in your template call it with {{ clever_function() }}
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How to make rpm auto install dependencies
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Create a (local) repository and use yum to have it resolve the dependencies for you.
The CentOS wiki has a nice page providing a how-to on this. CentOS wiki HowTos/CreateLocalRepos.
Summarized and further minimized (not ideal, but quickest):
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Use numpy array in shared memory for multiprocessing
I would like to use a numpy array in shared memory for use with the multiprocessing module. The difficulty is using it like a numpy array, and not just as a ctypes array.
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How to access the ith column of a NumPy multidimensional array?
...exing) of the NumPy reference. This is quick, at least in my experience. It's certainly much quicker than accessing each element in a loop.
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if A vs if A is not None:
...uivalents 0 or 1. When this method is not defined, __len__() is called, if it is defined, and the object is considered true if its result is nonzero. If a class defines neither __len__() nor __nonzero__(), all its instances are considered true.
On the other hand,
if A is not None:
compares only...
What is the most pythonic way to check if an object is a number?
Given an arbitrary python object, what's the best way to determine whether it is a number? Here is is defined as acts like a number in certain circumstances .
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How do I join two lines in vi?
...follow
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edited Jun 1 '13 at 23:23
ArtOfWarfare
16.7k1313 gold badges112112 silver badges159159 bronze badges
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html select option separator
...ion>
</optgroup>
</select>
disabled option (a bit better):
<select>
<option>First</option>
<option disabled>_________</option>
<option>Second</option>
<option>Third</option>
</select>
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How to import a module given the full path?
How can I load a Python module given its full path? Note that the file can be anywhere in the filesystem, as it is a configuration option.
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
... Gmail three-fragment animation" scenario. Specifically, we want to start with two fragments, like this:
6 Answers
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