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What is std::move(), and when should it be used?
...ct, leaving the moved object in an moved from state, therefore not copying all the data. This would be C++-valid.
Try googling for move semantics, rvalue, perfect forwarding.
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Pass entire form as data in jQuery Ajax function
...select> options are serialized under the same key, e.g.
<select id="foo" name="foo" multiple="multiple">
<option value="1">one</option>
<option value="2">two</option>
<option value="3">three</option>
</select>
will result in a query s...
How to get the name of a function in Go?
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@themihai I don't know, the sentence I quoted is all the docs at golang.org/pkg/reflect/#Value.Pointer say about this. But the quote seems to indicate that one could get the same pointer for different functions, doesn't it? And if this is the case, GetFunctionName might r...
Angular JS break ForEach
...r for it does not break the forEach loop. It is merly a way to not execute all logic inside the loop.
– Nebulosar
Apr 8 at 13:42
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Traits vs. interfaces
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Except that traits are not interfaces at all. Interfaces are specification that can be checked against. Traits cannot be checked against, hence they are implementation only. They are the exact opposite of interfaces. That line in the RFC is simply wrong...
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Measure and Benchmark Time for Ruby Methods
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The simplest way:
require 'benchmark'
def foo
time = Benchmark.measure {
code to test
}
puts time.real #or save it to logs
end
Sample output:
2.2.3 :001 > foo
5.230000 0.020000 5.250000 ( 5.274806)
Values are: cpu time, system time, total and real...
Is a URL allowed to contain a space?
Is a URI (specifically an HTTP URL) allowed to contain one or more space characters? If a URL must be encoded, is + just a commonly followed convention, or a legitimate alternative?
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Javascript and regex: split string and keep the separator
...3".split(/(?!、)/g) == ["1、", "2、", "3"] for full words? For example "foo1, foo2, foo3,"
– Waltari
Nov 6 '17 at 10:17
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What's the difference between the atomic and nonatomic attributes?
...o are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang).
Assuming that you are @synthesizing the method implementations, atomic vs. non-atomic chang...
How to initialize std::vector from C-style array?
...an put it in the constructor and use the two iterator vector constructor:
Foo::Foo(double* w, int len) : w_(w, w + len) { }
Otherwise use assign as previously suggested:
void set_data(double* w, int len)
{
w_.assign(w, w + len);
}
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