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Can you write virtual functions / methods in Java?
Is it possible to write virtual methods in Java, as one would do in C++?
6 Answers
6...
How to get std::vector pointer to the raw data?
...dress of the element pointed to by the iterator returned by begin()).
In C++11, a new member function was added to std::vector: data(). This member function returns the address of the initial element in the container, just like &something.front(). The advantage of this member function is th...
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
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Difference between C++03 throw() specifier C++11 noexcept
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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
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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.
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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 ).
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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.
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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...