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How to access the ith column of a NumPy multidimensional array?
...is a view or a copy of another array you can do the following:
arr_c1_ref.base is arr # True
arr_c1_copy.base is arr # False
see ndarray.base.
Besides the obvious difference between the two (modifying arr_c1_ref will affect arr), the number of byte-steps for traversing each of them is differen...
A weighted version of random.choice
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This should be the new answer based on the performance improvement that @AntonCodes reported.
– Wayne Workman
Jun 22 at 3:56
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Why is Thread.Sleep so harmful
...ndles
The most-made-mistake is using Thread.Sleep with a while-construct (demo and answer, nice blog-entry)
EDIT:
I would like to enhance my answer:
We have 2 different use-cases:
We are waiting because we know a
specific timespan when we should continue (use Thread.Sleep, System.Th...
Build the full path filename in Python
...ath name to a module. How do I build the file path from a directory name, base filename, and a file format string?
4 Answe...
Multiple Models in a single django ModelForm?
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What would be a straightforward way to make a class based view capable of showing more than one form and a template that then combines them into the same <form> element?
– jozxyqk
May 21 '15 at 11:47
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Determining the size of an Android view at runtime
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Based on @mbaird's advice, I found a workable solution by subclassing the ImageView class and overriding onLayout(). I then created an observer interface which my activity implemented and passed a reference to itself to the ...
How do I create an abstract base class in JavaScript?
Is it possible to simulate abstract base class in JavaScript? What is the most elegant way to do it?
16 Answers
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How can I get a list of all classes within current module in Python?
...m in dir(platforms)
# Ignore magic, ourselves (index.py) and a base class.
if not item.startswith('__') and item not in ['index', 'base']
)
))
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Why return NotImplemented instead of raising NotImplementedError
...oesn't, then the runtime will fall back to the built-in behavior (which is based on identity for == and !=)."
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Maximum MIMEType Length when storing type in DB
What are people using as the length of a MIMEType field in their databases? The longest one we've seen so far is 72 bytes:
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