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What exactly are iterator, iterable, and iteration?

...that has __foo__() method" before. Such definitions are correct--they are based on duck-typing philosophy, but the focus on methods tends to get between when trying to understand the concept in its simplicity. So I add my version. In natural language, iteration is the process of taking one el...
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Can I run multiple programs in a Docker container?

...on desktop. My application is simply a flask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to give Docker a try but I'm not sure how I'm meant to use more than one program. The documentations says there can only be o...
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`staticmethod` and `abc.abstractmethod`: Will it blend?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Nested defaultdict of defaultdict

... I based this of Andrew's answer here. If you are looking to load data from a json or an existing dict into the nester defaultdict see this example: def nested_defaultdict(existing=None, **kwargs): if existing is None: ...
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!

...nt): FieldInfo.GetValueDirect are FieldInfo.SetValueDirect are not part of Base Class Library. Note that there's a difference between .NET Framework Class Library and Base Class Library. BCL is the only thing required for a conforming implementation of the CLI/C# and is documented in ECMA TR/84. (In...
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How to measure time taken between lines of code in python?

...took: 10.466 ms Regarding timeit.default_timer(), it uses the best timer based on OS and Python version, see this answer. share | improve this answer | follow ...
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Linux, Why can't I write even though I have group permissions?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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How can I output UTF-8 from Perl?

... I didn't know about this (I've only been putting UTF8 in a database, never printing it). +1. – Paul Tomblin Mar 9 '09 at 19:37 1 ...
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Hidden Features of PHP? [closed]

... KIO framework lets you do this as well, but that's only available for KDE-based desktop applications. – MiffTheFox Jun 6 '09 at 7:26 21 ...
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Java naming convention for static final variables [duplicate]

...n MyObject: public class MyObject { private final long id; //It has a 64bit identifier (+8 bytes) private final int value; //It has a 32bit integer value (+4 bytes) private final boolean special; //Is it special? (+1 byte) public static final int SIZE = 13; //8 + 4 + 1 = 13 bytes }...