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How does the HyperLogLog algorithm work?
...eam is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts with "001". This means that if you observe a random stream and see a "001", there is a higher chance that this stream has a cardinality of 8.
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How do I split a string into an array of characters? [duplicate]
...on, you can do that without split:
var s = "overpopulation";
for (var i = 0; i < s.length; i++) {
console.log(s.charAt(i));
}
You can also access each character with its index using normal array syntax. Note, however, that strings are immutable, which means you can't set the value of a c...
I want to get the type of a variable at runtime
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edited Jul 20 '16 at 21:01
answered Oct 15 '13 at 18:53
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PHP array delete by value (not key)
...failure, however it can return a false-y value on success (your key may be 0 for example), which is why the strict comparison !== operator is used.
The if() statement will check whether array_search() returned a value, and will only perform an action if it did.
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std::vector versus std::array in C++
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answered Dec 12 '10 at 23:13
Matteo ItaliaMatteo Italia
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When should I use a List vs a LinkedList
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109
Edit
Please read the comments to this answer. People claim I did not do
proper tests. I a...
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...tern such as odd-numbered, even-numbered or any an+b where a != 1 and b != 0. This extends beyond just class selectors, to attribute selectors, negations, and more complex combinations of simple selectors.
The :nth-child() pseudo-class counts elements among all of their siblings under the same paren...
How to make rpm auto install dependencies
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103
Create a (local) repository and use yum to have it resolve the dependencies for you.
The CentO...
TypeLoadException says 'no implementation', but it is implemented
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edited Sep 26 '10 at 19:39
answered Jun 4 '09 at 5:58
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What is the correct answer for cout
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Which means that it requires the code to produce result b, which outputs 01.
See P0145R3 Refining Expression Evaluation Order for Idiomatic C++ for more details.
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