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Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception

Something I often used back in C++ was letting a class A handle a state entry and exit condition for another class B , via the A constructor and destructor, to make sure that if something in that scope threw an exception, then B would have a known state when the scope was exited. This isn't pur...
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How can the Euclidean distance be calculated with NumPy?

I have two points in 3D: 22 Answers 22 ...
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?

It's a sad fact of life on Scala that if you instantiate a List[Int], you can verify that your instance is a List, and you can verify that any individual element of it is an Int, but not that it is a List[Int], as can be easily verified: ...
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How can I make the tabs work normally on Xcode 4?

Xcode finally added tabs but the problem is that they behave very strange. For example they will keep a tab open only if it was opened to a new tab. ...
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What is a “callback” in C and how are they implemented?

From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story). 9 Answers ...
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Concept of void pointer in C programming

Is it possible to dereference a void pointer without type-casting in the C programming language? 15 Answers ...
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Check if a number has a decimal place/is a whole number

I am looking for an easy way in JavaScript to check if a number has a decimal place in it (in order to determine if it is an integer). For instance, ...
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Can Google Chrome open local links?

I am linking on an intranet page to a local file on a shared drive: 8 Answers 8 ...
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Difference between HashSet and HashMap?

Apart from the fact that HashSet does not allow duplicate values, what is the difference between HashMap and HashSet ? ...
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How do I execute a stored procedure once for each row returned by query?

I have a stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id ...