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Can a decorator of an instance method access the class?
I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition.
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Principal component analysis in Python
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Months later, here's a small class PCA, and a picture:
#!/usr/bin/env python
""" a small class for Principal Component Analysis
Usage:
p = PCA( A, fraction=0.90 )
In:
A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
Where should signal handlers live in a django project?
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I actually like to make them classmethods of the model itself. That keeps everything within one class, and means you don't have to worry about importing anything.
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What is Virtual DOM?
Recently, I looked at Facebook's React framework. It uses a concept called "the Virtual DOM," which I didn't really understand.
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How to implement a binary tree?
...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method.
– Jeff Mandell
Oct 18 '15 at 2:30
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How to include PHP files that require an absolute path?
... just a question, why realpath() for $_SERVER["DOCUMENT_ROOT"]? This shall not output always the canonical path?
– João Pimentel Ferreira
Nov 15 '15 at 0:30
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What does ellipsize mean in android?
...an EditText to my layout, and added a hint, and made it centered horizontally.
9 Answers
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How to use Boost in Visual Studio 2010
...te's answer is pretty good already, I'm going to expand on it more specifically for Visual Studio 2010 as requested, and include information on compiling in the various optional components which requires external libraries.
If you are using headers only libraries, then all you need to do is to unar...
List attributes of an object
...ict__
Then you can test what type is with type() or if is a method with callable().
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Why doesn't Java support unsigned ints?
...ut simplicity:
Gosling: For me as a language designer, which I don't really count myself as these days, what "simple" really ended up meaning was could I expect J. Random Developer to hold the spec in his head. That definition says that, for instance, Java isn't -- and in fact a lot of these lan...
