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Header files for x86 SIMD intrinsics

... These days you should normally just include <immintrin.h>. It includes everything. GCC and clang will stop you from using intrinsics for instructions you haven't enabled at compile time (e.g. with -march=native or -mavx2 -mbmi2 -mpopcnt -mfma ...
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Build a Basic Python Iterator

... Iterator objects in python conform to the iterator protocol, which basically means they provide two methods: __iter__() and __next__(). The __iter__ returns the iterator object and is implicitly called at the start of loops. The __next__() method returns the next value and is implicitly cal...
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What do all of Scala's symbolic operators mean?

...se of teaching, into four categories: Keywords/reserved symbols Automatically imported methods Common methods Syntactic sugars/composition It is fortunate, then, that most categories are represented in the question: -> // Automatically imported method ||= // Syntactic sugar ++= // Syn...
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What is the most efficient way of finding all the factors of a number in Python?

Can someone explain to me an efficient way of finding all the factors of a number in Python (2.7)? 22 Answers ...
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How to get the parents of a Python class?

... If you want all the ancestors rather than just the immediate ones, use inspect.getmro: import inspect print inspect.getmro(cls) Usefully, this gives you all ancestor classes in the "method resolution order" -- i.e. the order in which ...
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Build an ASCII chart of the most commonly used words in a given text [closed]

... LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation. – Joe Z Jul 4 '10 at 6:23 ...
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How do I get the path of the current executed file in Python?

...ike a newbie question, but it is not. Some common approaches don't work in all cases: 13 Answers ...
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Understanding the difference between __getattr__ and __getattribute__

...oesn't explicitly manage and do that via __getattr__ method. Python will call this method whenever you request an attribute that hasn't already been defined, so you can define what to do with it. A classic use case: class A(dict): def __getattr__(self, name): return self[name] a = A()...
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What does multicore assembly language look like?

...on, but it's an answer to a question that appears in the comments. Essentially, the question is what support the hardware gives to multi-threaded operation. Nicholas Flynt had it right, at least regarding x86. In a multi threaded environment (Hyper-threading, multi-core or multi-processor), the B...
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Best way to require all files from a directory in ruby?

What's the best way to require all files from a directory in ruby ? 11 Answers 11 ...