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Should I return a Collection or a Stream?
...ually two costs here: the cost of storing values in the collection (memory allocation and copying) and also the cost of creating the values in the first place. The latter cost can often be reduced or avoided by taking advantage of a Stream's laziness-seeking behavior. A good example of this are the ...
C++11 rvalues and move semantics confusion (return statement)
..., a new vector is actually constructed in the copy constructor and data is allocated, but the bulk of the data array is only copied by copying the pointer (essentially). The copy elision avoids 100% of all copies.
– Mark Lakata
Dec 11 '14 at 1:26
...
When to use symbols instead of strings in Ruby?
...utput, you should go with strings, even if it appears more than once, even allocating two different objects in memory.
Here's the reasoning:
Printing the symbols will be slower than printing strings because they are cast to strings.
Having lots of different symbols will increase the overall mem...
Why can templates only be implemented in the header file?
...at would add overhead such as boxing, needing to pass function pointers to allocators and constructors, etc. The intention of C++ templates is to avoid having to write nearly identical class MyClass_int, class MyClass_float, etc, but to still be able to end up with compiled code that is mostly as if...
When is memoization automatic in GHC Haskell?
...ency of 5356 bytes regardless of optimization, by the way (with less total allocation when -O2 is used).
– Ed'ka
Oct 17 '10 at 10:41
1
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...t even managed languages provide a finally-block despite resources being deallocated automatically by the garbage collector anyway?
Actually, languages based on Garbage collectors need "finally" more. A garbage collector does not destroy your objects in a timely manner, so it can not be relied upo...
How to handle both a single item and an array for the same property using JSON.net
...r as JSON arrays.
The converter's ReadJson() uses the existingValue if pre-allocated so as to support populating of get-only list members.
Secondly, here is a version that works with other generic collections such as ObservableCollection<T>:
public class SingleOrArrayCollectionConverter<...
Use of Finalize/Dispose method in C#
... that the resources have been disposed of and its ok to release the memory allocated for them.
}
}
finally
{
// explicitly call the base class Dispose implementation
base.Dispose( isDisposing );
this.IsDisposed = true;
}
}
//TODO Uncomment this cod...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
...citly taken into account by the scheduler's heuristics
on its recent CPU allocation— thus, implicitly, a thread that has
yielded could be given more CPU when scheduled in the future.
(See the section on thread scheduling for more details on priorities
and scheduling algorithms.)
...
Start thread with member function
...
not really relevant to the OP question, but why do you allocate Wrapper on the heap (and not deallocate it)? do you have java/c# background?
– Alessandro Teruzzi
Oct 13 '16 at 13:34
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