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Why can lambdas be better optimized by the compiler than plain functions?
...= f(*begin);
}
Calling it with a lambda like this:
int a[] = { 1, 2, 3, 4 };
map(begin(a), end(a), [](int n) { return n * 2; });
Results in this instantiation (created by the compiler):
template <>
void map<int*, _some_lambda_type>(int* begin, int* end, _some_lambda_type f) {
f...
browser sessionStorage. share between tabs?
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answered Sep 24 '15 at 16:47
nawlbergsnawlbergs
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Why do x86-64 systems have only a 48 bit virtual address space?
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Because that's all that's needed. 48 bits give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon.
So CPU manufacturers took a shortcut. They use an instruction set which allows a ful...
Copy data into another table
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edited Mar 28 '19 at 4:43
answered Nov 5 '12 at 17:56
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How to declare a global variable in JavaScript?
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edited Sep 9 '14 at 19:00
Servy
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Python Empty Generator Function
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If you must have a generator then you might as well use (_ for _ in ()) as others have suggested
– Zectbumo
Sep 24 '17 at 11:49
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How to change the foreign key referential action? (behavior)
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answered Jan 17 '13 at 14:26
Grijesh ChauhanGrijesh Chauhan
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How to deselect a selected UITableView cell?
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24 Answers
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What is an xs:NCName type and when should it be used?
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4 Answers
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Active
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To ARC or not to ARC? What are the pros and cons? [closed]
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147
There is no downside. Use it. Do it today. It is faster than your old code. It is safer than yo...