大约有 4,100 项符合查询结果（耗时：0.0226秒） [XML]
In C/C++ what's the simplest way to reverse the order of bits in a byte?
... and forget you ever had it. It's much faster to write than the equivalent C++ code, and it will only ever run once, so you get O(1) runtime in your C++ code.
– wilhelmtell
Apr 8 '10 at 21:32
...
Difference between C++03 throw() specifier C++11 noexcept
...
std::unexpected() is called by the C++ runtime when a dynamic exception specification is violated: an exception is thrown from a function whose exception specification forbids exceptions of this type.
std::unexpected() may also be called directly from the pro...
PHP function overloading
Coming from C++ background ;)
How can I overload PHP functions?
10 Answers
10
...
Swift Beta performance: sorting arrays
...gs that I get:
Swift 4.0.2 : 0.83s (0.74s with `-Ounchecked`)
C++ (Apple LLVM 8.0.0): 0.74s
Swift
// Swift 4.0 code
import Foundation
func doTest() -> Void {
let arraySize = 10000000
var randomNumbers = [UInt32]()
for _ in 0..<arraySize {
randomNumbers.a...
Determine if two rectangles overlap each other?
I am trying to write a C++ program that takes the following inputs from the user to construct rectangles (between 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
...
What are the differences between concepts and template constraints?
I want to know what are the semantic differences between the C++ full concepts proposal and template constraints (for instance, constraints as appeared in Dlang or the new concepts-lite proposal for C++1y ).
...
Where is Erlang used and why? [closed]
...re is also this article from Richard Jones. He rewrote an application from C++ to erlang: 75% fewer lines in erlang.
share
|
improve this answer
|
follow
|
...
Does Java support default parameter values?
...amp;& p[1] != null ? ((Integer)p[1]).intValue() : 42;
}
This matches C++ syntax, which only allows defaulted parameters at the end of the parameter list.
Beyond syntax, there is a difference where this has run time type checking for passed defaultable parameters and C++ type checks them dur...
What's the difference between struct and class in .NET?
...
Is this all valid for C++ as well?
– Koray Tugay
Nov 24 '12 at 21:10
9
...
Where are static variables stored in C and C++?
...an 0". Because there's no such thing as "non initialized" static data in C/C++. Everything static is zero-initialized by default.
– AnT
Jun 19 '10 at 9:33
...