大约有 2,670 项符合查询结果(耗时:0.0211秒) [XML]

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Returning unique_ptr from functions

... @RodrigoSalazar std::move is just a fancy cast from a lvalue reference (&) to an rvalue reference (&&). Extraneous usage of std::move on an rvalue reference will simply be a noop – TiMoch Apr 13 '13 at 19:37 ...
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Why doesn't java.util.Set have get(int index)?

...tem, I can use set.iterator().next(), but otherwise it seems I have to cast to an Array to retrieve an item at a specific index? What are the appropriate ways of retrieving data from a set? (other than using an iterator) You should also familiarise yourself with the SortedSet inte...
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Why is super.super.method(); not allowed in Java?

...hat you can access shadowed variables from superclasses of superclasses by casting this: interface I { int x = 0; } class T1 implements I { int x = 1; } class T2 extends T1 { int x = 2; } class T3 extends T2 { int x = 3; void test() { System.out.println("x=\t\t" ...
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Why does AngularJS include an empty option in select?

... Thanks! In my case I can't use ng-init (no default value) so I casted my model to a string and it worked! – Rodrigo Graça Aug 3 '16 at 15:06 ...
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How do I use itertools.groupby()?

...dged" in this way. Since all of the itertools are iterators, they must be cast to a builtin (list(), tuple()) or consumed in a loop/comprehension to display the contents. These are redundancies the author likely excluded to conserve space. – pylang Oct 25 '18...
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Why does ReSharper want to use 'var' for everything?

...me is not too long and you don't use new on the right side (or an explicit cast) resharper should not suggest it. – Tim Schmelter Jan 18 '17 at 8:47 ...
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Which are more performant, CTE or temporary tables?

...Y, B INT , F CHAR(8000) NULL); INSERT INTO T(B) SELECT TOP (1000000) 0 + CAST(NEWID() AS BINARY(4)) FROM master..spt_values v1, master..spt_values v2; Example 1 WITH CTE1 AS ( SELECT A, ABS(B) AS Abs_B, F FROM T ) SELECT * FROM CTE1 WHERE A = 780 Notice in the plan above ...
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Proper use of errors

...ve (1) intellisense and (2) better type-checking. Be aware though that any cast does not translate to JS at all and is purely syntactic sugar. – Didii Feb 16 '19 at 21:00 add ...
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WCF timeout exception detailed investigation

...icle. To set this operation timeout property configuration, we have to cast our proxy to IContextChannel in WCF client application before calling the operation contract methods. share | imp...
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How to sort strings in JavaScript

...a, b) => +(a.attr > b.attr) || -(a.attr < b.attr)) Description Casting a boolean value to a number yields the following: true -> 1 false -> 0 Consider three possible patterns: x is larger than y: (x > y) - (y < x) -> 1 - 0 -> 1 x is equal to y: (x > y) - (y &lt...