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What is the use of hashCode in Java?
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Thank you Aishu. Now I got clear knowledge about the hashcode with bucket related explanation.
– Balasubramani
May 16 '15 at 3:02
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Xcode 4 hangs at “Attaching to (app name)”
...or or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
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Why do we copy then move?
...+03 styles. I'll dub this 2-overload version the "most optimal" version.
Now, we'll examine the take-by-copy version:
struct S2 {
std::string data;
S2( std::string arg ):data(std::move(x)) {}
};
in each of those scenarios:
S2 tmp( "foo" ); // a temporary `std::string` is created, moved int...
Why can't I declare static methods in an interface?
...}
The first is impossible for the reasons that Espo mentions: you don't know which implementing class is the correct definition.
Java could allow the latter; and in fact, starting in Java 8, it does!
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XDocument or XmlDocument
I am now learning XmlDocument but I've just ran into XDocument and when I try to search the difference or benefits of them I can't find something useful, could you please tell me why you would use one over another ?
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Grab a segment of an array in Java without creating a new array on heap
...have to create a new byte array in the heap memory just to do that. Right now I have the following code:
15 Answers
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How do I read from parameters.yml in a controller in symfony2?
...ohr sorry, different version of Symfony2. I've edited my answer - check it now ;)
– Vitalii Zurian
Dec 16 '12 at 16:44
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What exactly is an Assembly in C# or .NET?
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@rax: done; @pratik: now you're confusing me: you talk about "multi-file assembly" again, while @GregD mentioned it really was a "multi-assembly file" - what is it now?? (as I said - I've never encountered such a beast, so I'm a bit unclear wheth...
How do you version your database schema? [closed]
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I admit it took a while to get right but now it requires almost no effort to prep an upgrade and even less to perform one. Also, one thing I like is that I can do interim hotfix changes and it has no impact on the upgrade procedure. Each upgrade is a fresh new DB....
Referring to the null object in Python
... message that mentions that NoneType can't do this or can't do that, just know that it's simply the one None that was being used in a way that it can't.
Also, None is a built-in constant. As soon as you start Python, it's available to use from everywhere, whether in module, class, or function. NoneT...