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Is it possible to modify variable in python that is in outer, but not global, scope?

... Python 3.x has the nonlocal keyword. I think this does what you want, but I'm not sure if you are running python 2 or 3. The nonlocal statement causes the listed identifiers to refer to previously bound variables in the nearest enclosing scope. This is important b...
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Understanding the main method of python [duplicate]

... The Python approach to "main" is almost unique to the language(*). The semantics are a bit subtle. The __name__ identifier is bound to the name of any module as it's being imported. However, when a file is being executed then __name__ is set to "__main...
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Why do std::shared_ptr work

...:shared_ptr to perform arbitrary cleanup at shutdown. At first I thought this code could not possibly work, but then I tried the following: ...
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Difference Between Schema / Database in MySQL

Is there a difference between a schema and a database in MySQL? In SQL Server, a database is a higher level container in relation to a schema. ...
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What is the difference between --save and --save-dev?

What is the difference between: 13 Answers 13 ...
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Create a pointer to two-dimensional array

I need a pointer to a static 2-dimensional array. How is this done? 10 Answers 10 ...
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How does a public key verify a signature?

... understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature. ...
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Is the 'type' attribute necessary for tags?

I've seen both this: 8 Answers 8 ...
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Why can't we have static method in a (non-static) inner class?

... Because an instance of an inner class is implicitly associated with an instance of its outer class, it cannot define any static methods itself. Since a static nested class cannot refer directly to instance variables or methods defined in its enclosing class, it ...
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What is the maximum value for an int32?

... It's 2,147,483,647. Easiest way to memorize it is via a tattoo. share edited Feb 21 '18 at 1:13 ...