大约有 44,500 项符合查询结果（耗时：0.0712秒） [XML]
Why switch is faster than if
...
DanielDaniel
25.2k1616 gold badges8484 silver badges128128 bronze badges
...
One-liner to check whether an iterator yields at least one element?
...
answered Jun 24 '10 at 23:28
Jochen RitzelJochen Ritzel
89.3k2525 gold badges181181 silver badges180180 bronze badges
...
Which, if any, C++ compilers do tail-recursion optimization?
...);
int foo(int n, int acc) {
return (n == 0) ? acc : bar(n - 1, acc + 2);
}
int bar(int n, int acc) {
return (n == 0) ? acc : foo(n - 1, acc + 1);
}
Letting the compiler do the optimisation is straightforward: Just switch on optimisation for speed:
For MSVC, use /O2 or /Ox.
For GCC, Cl...
Remove header and footer from window.print()
...
12 Answers
12
Active
...
Adding information to an exception?
...
121
I'd do it like this so changing its type in foo() won't require also changing it in bar().
def...
A connection was successfully established with the server, but then an error occurred during the pre
...
23 Answers
23
Active
...
Hamcrest compare collections
I'm trying to compare 2 lists:
7 Answers
7
...
Node.js Best Practice Exception Handling
... // no error occured, continue on
return x/y
}
}
// Divide 4/2
var result = divideSync(4,2)
// did an error occur?
if ( result instanceof Error ) {
// handle the error safely
console.log('4/2=err', result)
}
else {
// no error occured, continue on
console.log('4/2='+res...
Mockito test a void method throws an exception
...
2 Answers
2
Active
...
How to convert CharSequence to String?
...
342
By invoking its toString() method.
Returns a string containing the characters in this sequen...