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Lodash - difference between .extend() / .assign() and .merge()

...d try to map child object properties from source to destination. So essentially we merge object hierarchy from source to destination. While for extend/assign, it's simple one level copy of properties from source to destination. Here's simple JSBin that would make this crystal clear: http://jsbin.co...
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Can someone explain __all__ in Python?

I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does? ...
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Received fatal alert: handshake_failure through SSLHandshakeException

... server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate into the client's trust store. The cerificate is issued for a different domain. Again, this would have re...
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Where should signal handlers live in a django project?

... 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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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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Obfuscated C Code Contest 2006. Please explain sykes2.c

...downwards). So, t is the character of __TIME__ being output. a ends up equalling the following in binary, depending on the input t: 0 00111111 1 00101000 2 01110101 3 01111001 4 01101010 5 01011011 6 01011111 7 00101001 8 01111111 9 01111011 : 01000000 Each number is a bitmap describing the segm...
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Principal component analysis in Python

... 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...
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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...
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When to use setAttribute vs .attribute= in JavaScript?

... This answer is not clear enough...I don't really feel I understand this yet. – temporary_user_name Oct 24 '13 at 21:48 1 ...
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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 ...