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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...ependency chain depending on what the register allocator decided to do.
13 GB/s has a chain: popcnt-add-popcnt-popcnt → next iteration
15 GB/s has a chain: popcnt-add-popcnt-add → next iteration
20 GB/s has a chain: popcnt-popcnt → next iteration
26 GB/s has a chain: popcnt-popcnt → next i...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...
63
Best I can think of is:
template<class T, class... Tail>
auto make_array(T head, Tail... ...
Multiple Type Constraints in Swift
...e T:SomeProtocol, T:SomeOtherProtocol>(arg: T) {
// stuff
}
Swift 3 & 4:
func someFunc<T: SomeProtocol & SomeOtherProtocol>(arg: T) {
// stuff
}
or the more powerful where clause:
func someFunc<T>(arg: T) where T:SomeProtocol, T:SomeOtherProtocol{
// stuff
}
...
Sorting an IList in C#
...
answered Aug 19 '08 at 1:34
Brad LeachBrad Leach
16.2k1717 gold badges6767 silver badges8686 bronze badges
...
read.csv warning 'EOF within quoted string' prevents complete reading of file
... stringsAsFactors = FALSE)
str(cit)
## 'data.frame': 112543 obs. of 13 variables:
## $ row.names : chr "10.2307/675394" "10.2307/30007362" "10.2307/4254931" "10.2307/20537934" ...
## $ id : chr "10.2307/675394\t" "10.2307/30007362\t" "10.2307/4254931\t" "10.2307/20...
Java regex email
...
Gaurav Jeswani
2,35744 gold badges2020 silver badges3333 bronze badges
answered Nov 20 '11 at 21:04
Jason BuberelJason...
Colorizing text in the console with C++
...
SheenSheen
2,53544 gold badges2222 silver badges4141 bronze badges
...
How to use Class in Java?
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139
Using the generified version of class Class allows you, among other things, to write things lik...