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A simple explanation of Naive Bayes Classification

... & part two being the confusion surrounding Training set. In general all of Machine Learning Algorithms need to be trained for supervised learning tasks like classification, prediction etc. or for unsupervised learning tasks like clustering. During the training step, the algorithms are taught...
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Standard way to embed version into python package?

...is also used in lots of 3rd-party modules, so it's the quasi-standard. Usually, __version__ is a string, but sometimes it's also a float or tuple. Edit: as mentioned by S.Lott (Thank you!), PEP 8 says it explicitly: Module Level Dunder Names Module level "dunders" (i.e. names with two lea...
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get current url in twig template?

...ttributes.get('_route_params')) %} The app global view variable contains all sorts of useful shortcuts, such as app.session and app.security.token.user, that reference the services you might use in a controller. share ...
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How to fix “Attempted relative import in non-package” even with __init__.py

...ry to execute the above shell command, the fact that you need __init__.pys all the way down, and the __package__-modifying trickery (described below by BrenBarn) needed to allow these imports for executable scripts (e.g. when using a shebang and doing ./my_script.py at the Unix shell) would all be u...
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How to import other Python files?

... importlib was added to Python 3 to programmatically import a module. It is just a wrapper around __import__, see the docs. import importlib moduleName = input('Enter module name:') importlib.import_module(moduleName) Note: the .py extension should be removed from mod...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

...o add them. Two's complement addition is very simple. You add numbers normally and any carry bit at the end is discarded. So they're added as follows: 0010 + 1111 =10001 = 0001 (discard the carry) 0001 is 1, which is the expected result of "2+(-1)". But in your "intuitive" method, adding is m...
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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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How to list imported modules?

How to enumerate all imported modules? 9 Answers 9 ...
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Why do people use __(double underscore) so much in C++

...specific, and are slightly more detailed than some others have suggested. All identifiers that contain a double underscore or start with an underscore followed by an uppercase letter are reserved for the use of the implementation at all scopes, i.e. they might be used for macros. In addition, all ...
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Hashing a dictionary?

...e hash(): hash(frozenset(my_dict.items())) This is much less computationally intensive than generating the JSON string or representation of the dictionary. UPDATE: Please see the comments below, why this approach might not produce a stable result. ...