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Stack Memory vs Heap Memory [duplicate]
I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporar...
What's the strangest corner case you've seen in C# or .NET? [closed]
...llReferenceException...
Console.WriteLine(t.GetType());
}
So what was T...
Answer: any Nullable<T> - such as int?. All the methods are overridden, except GetType() which can't be; so it is cast (boxed) to object (and hence to null) to call object.GetType()... which calls on null...
When should I use the Visitor Design Pattern? [closed]
...ed, but does not answer the question which was not "how does it work" but "what are its use cases"
– IronSlug
Jun 16 '15 at 14:13
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show 14 ...
How to get just numeric part of CSS property with jQuery?
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@Alexander Square brackets with caret means NOT: [^<whatever you put here>]. In this regex it matches any symbol which is NOT minus sign, digit or dot. Essentially deletes everything that cannot be part of the number
– zakovyrya
Nov 20...
PHP cURL HTTP CODE return 0
... content, but the $httpcode always return 0, plus the curl_error is null . what could possible went wrong. I only include returntransfer, header (false), followlocation in the setting only.
– Ardeus
May 2 '12 at 12:08
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MongoDB relationships: embed or reference?
...e might want to present at one time on a typical web page. First consider what will make your queries easier. In many cases concern about document sizes will be premature optimization.
Complex data structures:
MongoDB can store arbitrary deep nested data structures, but cannot search them efficie...
What is CMake equivalent of 'configure --prefix=DIR && make all install '?
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Wondering what :PATH is? It's useful for cmake-gui, helping to choose the widget for that variable. See doc in linux.die.net/man/1/cmake-gui (set section)
– albfan
Oct 26 '12 at 5:23
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Git Alias - Multiple Commands and Parameters
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What is the preceding exclamation point for on the first invocation of git?
– Elijah Lynn
Jul 29 '13 at 22:44
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What is the difference between tree depth and height?
...
For what it's worth, the definition at this link has been changed to: "The depth of a node M in the tree is the length of the path from the root of the tree to M. The height of a tree is the depth of the deepest node in the tree....
Lock-free multi-threading is for real threading experts
...is dominated by the cache and memory-coherency tasks it must carry out.
What you gain however with a data structure that is "lock-free" is that your "locks" are very fine grained. This decreases the chance that two concurrent threads access the same "lock" (memory location).
The trick most of th...