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Function Pointers in Java

This may be something common and trivial, but I seem to be having trouble finding a concrete answer. In C# there is a concept of delegates, which relates strongly to the idea of function pointers from C++. Is there a similar functionality in Java? Given that pointers are somewhat absent, what is the...
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LINQ order by null column where order is ascending and nulls should be last

I'm trying to sort a list of products by their price. 10 Answers 10 ...
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How do I extract the contents of an rpm?

I have an rpm and I want to treat it like a tarball. I want to extract the contents into a directory so I can inspect the contents. I am familiar with the querying commands of an uninstalled package. I do not simply want a list of the contents of the rpm. i.e. ...
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What is the bit size of long on 64-bit Windows?

Not to long ago, someone told me that long are not 64 bits on 64 bit machines and I should always use int . This did not make sense to me. I have seen docs (such as the one on Apple's official site) say that long are indeed 64 bits when compiling for a 64-bit CPU. I looked up what it was on 64-...
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Why can tuples contain mutable items?

If a tuple is immutable then why can it contain mutable items? 8 Answers 8 ...
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Remove Identity from a column in a table

We have a 5GB table (nearly 500 million rows) and we want to remove the identity property on one of the column, but when we try to do this through SSMS - it times out. ...
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Display an array in a readable/hierarchical format

Here is the code for pulling the data for my array 18 Answers 18 ...
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What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]

I found this kind of syntax being used on Facebook for Ajax calls. I'm confused on the for (;;); part in the beginning of response. What is it used for? ...
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How do I call ::std::make_shared on a class with only protected or private constructors?

I have this code that doesn't work, but I think the intent is clear: 16 Answers 16 ...
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How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver

I am trying to get my head round the new Windows 8 Runtime that is used to create Metro style apps. I know you can use it with XAML and it is based on .NET so C# and VB.NET can be used to write the apps, but then it seems to have something to do with HTML, CSS, DOM, and JavaScript. ...