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What is “rvalue reference for *this”?
...n"; }
};
int main(){
test t;
t.f(); // OK
test().f(); // OK too
}
Now, onto why @Nicol's answer is atleast partly wrong. He says:
Note that this declaration changes the type of *this.
That is wrong, *this is always an lvalue:
§5.3.1 [expr.unary.op] p1
The unary * operator performs indir...
Map over object preserving keys
...
I know this is old, but now Underscore has a new map for objects :
_.mapObject(object, iteratee, [context])
You can of course build a flexible map for both arrays and objects
_.fmap = function(arrayOrObject, fn, context){
...
How can I get rid of an “unused variable” warning in Xcode?
... mark variable as used is… to use it.
BOOL saved = ...;
(void)saved; // now used
You may be happy with already described compiler-specific extensions, though.
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Java ResultSet how to check if there are any results
...ately after to reset it, since it has positioned itself past the first row now.
It should be noted however, that Seifer's answer below is a more elegant solution to this question.
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Get Current Area Name in View or Controller
...ber it worked when we ran our app on ASP.NET Core 2.0 and is still working now in ASP.NET Core 2.1 (tested moments ago).
– zerox981
Oct 30 '18 at 15:02
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Convert decimal to binary in python [duplicate]
....5.2 TypeError: non-empty format string passed to object.__format__ ahh - now i got it, what you meant: ```>>> "{0:b}".format(47) ---> '101111'
– Josef Klotzner
Oct 10 '19 at 18:58
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List of macOS text editors and code editors [closed]
...the operating system, but at the same time, is the wonderful Emacs we all know and love. Currently it requires Leopard with the latest release, but most people have upgraded by now anyway. You can fetch it here.
Alternatively, if you want to use Vim on OS X, I've heard good things about MacVim.
Be...
Is there a shortcut on Android Studio to convert a text to uppercase?
...weird things happening. I am using Ubuntu 18.10.
My string is like :
Now when I press CTRL+SHIFT+U then I am getting output like:
So I tried with CTRL+SHIFT+WINDOWS+U and its worked perfectly.
Note : I have kept CAPS LOCK ON.
Thank you.
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Get size of an Iterable in Java
I need to figure out the number of elements in an Iterable in Java.
I know I can do this:
10 Answers
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Equivalent of “throw” in R
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There's even more OO now. :)
– Iterator
Nov 1 '11 at 20:32
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