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EC2 instance has no public DNS

...as not the one who set it up. Some of the instances show a public dns name and others have a blank public DNS. I want to be able to connect to the instances that have a blank public DNS. I have not been able to figure out why these show up as blank. ...
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Merge 2 arrays of objects

... This is so far the simplest use and works just fine. Thanks for sharing it. – Leo Caseiro Jun 22 '16 at 7:51 18 ...
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Java packages com and org

What are the meaning of the packages org and com in Java? 4 Answers 4 ...
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Why can templates only be implemented in the header file?

Quote from The C++ standard library: a tutorial and handbook : 17 Answers 17 ...
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Traits vs. interfaces

I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...
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std::string length() and size() member functions

I was reading the answers for this question and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is ...
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Setting up FTP on Amazon Cloud Server [closed]

... to set up FTP on Amazon Cloud Server, but without luck. I search over net and there is no concrete steps how to do it. 12 ...
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Why doesn't Objective-C support private methods?

... The answer is... well... simple. Simplicity and consistency, in fact. Objective-C is purely dynamic at the moment of method dispatch. In particular, every method dispatch goes through the exact same dynamic method resolution point as every other method dispatch. At...
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Recommendations of Python REST (web services) framework? [closed]

...use on the serverside to write your own RESTful APIs? Preferably with pros and cons. 16 Answers ...
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What is “android:allowBackup”?

...e, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the quick fix (Ctrl-1) on the error line, and one of the suggestions is "Explain this issue", which will also pop up a fuller explanation. If you are not using Eclipse, you can generate...