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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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nil detection in Go

... In addition to Oleiade, see the spec on zero values: When memory is allocated to store a value, either through a declaration or a call of make or new, and no explicit initialization is provided, the memory is given a default initialization. Each element of such a value is set to the zero valu...
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Remove all whitespace in a string

I want to eliminate all the whitespace from a string, on both ends, and in between words. 10 Answers ...
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Adding a directory to $LOAD_PATH (Ruby)

...so long as the memory usage is the same for each, which I assume it essentially is. – boulder_ruby Oct 12 '12 at 1:47 ...
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Mediator Vs Observer Object-Oriented Design Patterns

...-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. The Mediator pattern: Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each o...
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What to do Regular expression pattern doesn't match anywhere in string?

... Contrary to all the answers here, for what you're trying to do regex is a perfectly valid solution. This is because you are NOT trying to match balanced tags-- THAT would be impossible with regex! But you are only matching what's in one ...
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HEAD and ORIG_HEAD in Git

..., and it is a commit on top of which "git commit" would make a new one. Usually HEAD is symbolic reference to some other named branch; this branch is currently checked out branch, or current branch. HEAD can also point directly to a commit; this state is called "detached HEAD", and can be understood...
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Why Func instead of Predicate?

... Well, actually you have to place that in the context of the guideline, which is about writing a LINQ provider. So yeah, for LINQ operators, the guideline is to use Func<> and Expression<> as parameters for the extension met...
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Remove leading or trailing spaces in an entire column of data

How do I remove leading or trailing spaces of all cells in an entire column? 6 Answers ...
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How can I provide multiple conditions for data trigger in WPF?

...D are false, and set the default to true. – WeSam Abdallah Oct 28 '14 at 15:47 3 ...