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Why aren't python nested functions called closures?

I have seen and used nested functions in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ? ...
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How does the new automatic reference counting mechanism work?

Can someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just wondering exactly how it worked. ...
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How do I connect to a MySQL Database in Python?

... Connecting to MYSQL with Python 2 in three steps 1 - Setting You must install a MySQL driver before doing anything. Unlike PHP, Only the SQLite driver is installed by default with Python. The most used package to do so is MySQLdb but it's hard ...
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]

... Bottom Line Use either COUNT(field) or COUNT(*), and stick with it consistently, and if your database allows COUNT(tableHere) or COUNT(tableHere.*), use that. In short, don't use COUNT(1) for anything. It's a one-trick pony, which rarely d...
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When should I use a struct rather than a class in C#?

...lass in C#? My conceptual model is that structs are used in times when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole. ...
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Why do this() and super() have to be the first statement in a constructor?

Java requires that if you call this() or super() in a constructor, it must be the first statement. Why? 19 Answers ...
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Determining complexity for recursive functions (Big O notation)

...a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help would be ...
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Import regular CSS file in SCSS file?

Is there anyway to import a regular CSS file with Sass's @import command? While I'm not using all of the SCSS syntax from sass, I do still enjoy it's combining/compressing features, and would like to be able to use it without renaming all of my files to *.scss ...
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Why are Python lambdas useful? [closed]

... figure out Python lambdas. Is lambda one of those "interesting" language items that in real life should be forgotten? 26...
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Define global variable in a JavaScript function

Is it possible to define a global variable in a JavaScript function? 13 Answers 13 ...