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Efficient way to return a std::vector in c++
...hen returning a std::vector in a function and how big an optimization will it be to place the std::vector in free-store (on the heap) and return a pointer instead i.e. is:
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UIView frame, bounds and center
...stion I asked has been seen many times I will provide a detailed answer of it. Feel free to modify it if you want to add more correct content.
First a recap on the question: frame, bounds and center and theirs relationships.
Frame A view's frame (CGRect) is the position of its rectangle in the sup...
Explanation of strong and weak storage in iOS5
... documentation and other SO questions, but they all sound identical to me with no further insight.
6 Answers
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Why have header files and .cpp files? [closed]
...r whatever is being implemented) will do, while the cpp file defines "how" it will perform those features.
This reduces dependencies so that code that uses the header doesn't necessarily need to know all the details of the implementation and any other classes/headers needed only for that. This will...
Inner join vs Where
...RCHAR(20)
);
The execution plan for the query using the inner join:
-- with inner join
EXPLAIN PLAN FOR
SELECT * FROM table1 t1
INNER JOIN table2 t2 ON t1.id = t2.id;
SELECT *
FROM TABLE (DBMS_XPLAN.DISPLAY);
-- 0 select statement
-- 1 hash join (access("T1"."ID"="T2"."ID"))
-- 2 table access ...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
8 Answers
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How to execute file I'm editing in Vi(m)
How to execute file that I'm editing in Vi(m) and get output in split window (like in SciTE)?
13 Answers
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Is “double hashing” a password less secure than just hashing it once?
... a password twice before storage any more or less secure than just hashing it once?
16 Answers
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Why array implements IList?
See the definition of System.Array class
7 Answers
7
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In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
...h have had the Model implement INotifyPropertyChanged , but in Josh Smith's CommandSink example the ViewModel implements INotifyPropertyChanged .
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