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Why an interface can not implement another interface?

...entation, when interface is meant to declare just to provide interface not for implementation. A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 100% abstract), so from the JVM's perspective they are differ...
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List of MSBuild built-in variables

... from MSDN: MSBuild reserved properties Common MSBuild properties Macros for Build Commands and Properties Other useful lists: Well-known item metadata MSBuild special characters First link shows the MSBuild property for project name: MSBuildProjectName The file name of the project file ...
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What is IP address '::1'?

... this -> 0000:0000:0000:0000:0000:0000:0000:0001 but we have some short form representation for this. If there are all zeroes in a single block you can replace it by single 0. So it becomes -> 0:0:0:0:0:0:0:0001. Again we can see that we have runs of zeroes, they can be eliminated and we get ...
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How to check an Android device is HDPI screen or MDPI screen?

... for nexus 6p i am getting 3.5 , which category will it fall into ? – Manohar Reddy Nov 16 '16 at 6:12 2 ...
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Declaration suffix for decimal type

...iteral in code, I have seen that there exists the m-suffix (where m stands for money). Is this appropriate for any decimals or is there a more general assignment (d stands for double, that is for sure not the right thing although a direct conversion is supported). ...
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Differences between Proxy and Decorator Pattern

...ling access to functionality; or it may restrict what a client knows by performing actions that are invisible and unknown to the client. Decorator does the opposite: it enhances what its delegate does in a way that is visible to clients. We might say that Proxy is a black box while Decorator is a w...
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How do I test for an empty string in a Bash case statement?

I have a Bash script that performs actions based on the value of a variable. The general syntax of the case statement is: 3...
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initializing a Guava ImmutableMap

Guava offers a nice shortcut for initializing a map. However I get the following compiler error (Eclipse Indigo) when my map initializes to nine entries. ...
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Constructor initialization-list evaluation order

...ample of the syntax I'm using. The thing is, a_ needs to be initialized before b_ in this case. Can you guarantee the order of construction? ...
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Deprecation warning when using has_many :through :uniq in Rails 4

...ced a deprecation warning when using :uniq => true with has_many :through. For example: 2 Answers ...