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Does setting Java objects to null do anything anymore?

... object chain A->B->C, then once A is not reachable, A, B and C will all be eligible for garbage collection (assuming nothing else is referring to either B or C). There's no need, and never has been any need, to explicitly set references A->B or B->C to null, for example. Apart from tha...
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How do I get a class instance of generic type T?

... of Foo , I want to get the class instance of type T , but I just can't call T.class . 21 Answers ...
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How to change the status bar color in Android?

First of all it's not a duplicate as in How to change the background color of android status bar 19 Answers ...
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Maven - How to compile tests without running them ?

...without running them ? I want to use the IDE to run specific tests and not all of them. 7 Answers ...
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How to amend several commits in Git to change author

...IL=$GIT_AUTHOR_EMAIL; GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"; fi' -- --all (split across lines for clarity, but not necessary) Be sure to inspect the result when you're done, to make sure that you didn't change anything you didn't mean to! ...
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Error in Swift class: Property not initialized at super.init call

...error:” Safety check 1 “A designated initializer must ensure that all of the “properties introduced by its class are initialized before it delegates up to a superclass initializer.” Excerpt From: Apple Inc. “The Swift Programming Language.” iBooks. https://itunes.apple.co...
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Create a custom View by inflating a layout?

...reate a Compound Control. You'll create a subclass of RelativeLayout, add all our your components in code (TextView, etc), and in your constructor you can read the attributes passed in from the XML. You can then pass that attribute to your title TextView. http://developer.android.com/guide/topics...
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Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]

... Actually, your statement that '0' is evaluated as a boolean is not correct, what actually happens is that true is evaluated as a number, which then forces '0' to be evaluated as a number. This comes as a direct result of the spec...
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What is the shortcut in IntelliJ IDEA to find method / functions?

... While this answer is technically correct, it's what I've been trying to avoid since I don't want to search multiple files which might have the same method name. the Ctrl+F12 method below with like 3x as many upvotes is what should be marked as the corre...
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]

...that if 0 is mutable (e.g. list or dict), you get into trouble, because it all refers to the same memory location. For this reason, the accepted answer is safer. – NumesSanguis Oct 25 '19 at 7:00 ...