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Is std::vector so much slower than plain arrays?
...;
./a.out
UseArray completed in 2.196 seconds
UseVector completed in 4.412 seconds
UseVectorPushBack completed in 8.017 seconds
The whole thing completed in 14.626 seconds
So array is twice as quick as vector.
But after looking at the code in more detail this is expected; as you run ...
Why doesn't 'ref' and 'out' support polymorphism?
...iable of type Mammal.
Clearly we want to make that illegal.
Conclusion 4: out parameters cannot be made "larger".
Final conclusion: Neither ref nor out parameters may vary their types. To do otherwise is to break verifiable type safety.
If these issues in basic type theory interest you, cons...
How to serialize SqlAlchemy result to JSON?
... metatoaster
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answered May 19 '12 at 10:05
Sasha BSasha B
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What is PECS (Producer Extends Consumer Super)?
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Why does dividing two int not yield the right value when assigned to double?
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Chad La GuardiaChad La Guardia
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Should you declare methods using overloads or optional parameters in C# 4.0?
I was watching Anders' talk about C# 4.0 and sneak preview of C# 5.0 , and it got me thinking about when optional parameters are available in C# what is going to be the recommended way to declare methods that do not need all parameters specified?
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Why do we need break after case statements?
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Sometimes it is helpful to have multiple cases associated with the same code block, such as
cas...
When would you use delegates in C#? [closed]
... much sense.
– senfo
Feb 19 '09 at 14:47
3
I know what you're trying to say, but I would find the...
Why should I use a pointer rather than the object itself?
...bject is safe to destroy when its scope ends.
– user743382
Mar 3 '14 at 12:03
25
Remember that s/...