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Find XOR of all numbers in a given range
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This one has same Computational complexity with normal m ^ (m+1) ^ ... ^ (n-1) ^ n calculation. This is 0(n).
– Thế Anh Nguyễn
Apr 23 '18 at 9:49
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Difference between size_t and std::size_t
...see what you mean now! I must have gotten confused by too many "allow"s in one sentence. I still think your first comment is too strong though; as you just said, ::size_t is present e.g in <stddef.h>, so you don't always need to qualify it with std::.
– Ben Hymers
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What is the purpose of AsQueryable()?
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There are a few main uses.
As mentioned in other answers, you can use it to mock a queryable data source using an in-memory data source so that you can more easily test methods that will eventually be used on a non-enumerable based IQueryable.
You can write he...
Why JSF saves the state of UI components on server?
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Why does JSF need to save the state of UI components on the server side ?
Because HTTP is stateless and JSF is stateful. The JSF component tree is subject to dynamic (programmatic) changes. JSF simply needs to know the exact state as it was when the form had been displa...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
... return o;
eval("o" + o); // ensure no dead code elimination
}
Sans one or two small optimizations - all the below is still valid.
Let's first discuss what it does and why that's faster and then why it works.
What it does
The V8 engine uses two object representations:
Dictionary mode - in wh...
shared_ptr to an array : should it be used?
... Extensions for Library Fundamentals
Another pre-C++17 alternative to the ones listed above was provided by the Library Fundamentals Technical Specification, which augmented shared_ptr to allow it to work out of the box for the cases when it owns an array of objects. The current draft of the shared...
Git branch diverged after rebase
...ove the commits in the branch onto which you are rebasing. This is because one of the properties of a commit is its parent (or parents). When you rebase, you're changing the parent of the oldest local commit on your branch - and thus changing the commit hashes of all of your local commits, since thi...
JavaScript click event listener on class
...ument.getElementsByClassName actually always return an array, even if only one element matches the criteria
– Guilherme Sehn
Oct 29 '13 at 10:39
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What does the exclamation mark mean in a Haskell declaration?
...point, a Foo doesn't even exist yet, just the code.
But at some point someone may try to look inside it, probably through a pattern match:
case f of
Foo 0 _ _ _ -> "first arg is zero"
_ -> "first arge is something else"
This is going to execute enough code to do what it...
A html space is showing as %2520 instead of %20
...as setting the data attribute in an ajax GET request with the encodeURIComponent function on the value, but jQuery already does it by default, hence why i was getting %2520. Really helpful thanks.
– Asher
Aug 24 '16 at 10:23
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