... ... This is well defined in C++: the standard (§4.7/4) indicates that converting bool to int gives the expected values 0 or 1. In Java and C#, you can use the following construct: if ((a?1:0) + (b?1:0) + (c?1:0) + (d?1:0) == 3) ... ...

...ove_only()) }; Since the standard, for whatever reason, doesn't define a converting copy constructor like this: // in class initializer_list template<class U> initializer_list(initializer_list<U> const& other); The initializer_list<rref_wrapper<move_only>> created by...

... Would have thought the compiler would do an implicit convertion of the switch-statement to hashset. – Rolf Kristensen Aug 5 '13 at 15:02 6 ...

I was trying to convert a QString to char* type by the following methods, but they don't seem to work. 10 Answers ...

... that's an nice way to convert floating-point number to int, or use parseInt() – MaBi Mar 14 '15 at 16:14 5 ...

... One way to convert to string is to use astype: total_rows['ColumnID'] = total_rows['ColumnID'].astype(str) However, perhaps you are looking for the to_json function, which will convert keys to valid json (and therefore your keys to s...

... They are not the same type and hence not convertible between each other. – leppie Nov 10 '09 at 19:02 2 ...

...value of the operand. So when you chain two exclamation marks together, it converts the value to a boolean. share | improve this answer | follow | ...

... in hex, because of the overflow (and equals to Integer.MIN_VALUE). If you convert it to unsigned (long), the sign bit will be treated like a value bit, so it will be 2147483648. Thank you for the char note. char is unsigned, you're right, but char is not really used for calculations, that's why I...

...ed for temporaries and for non-const lvalue references that are explicitly converted to rvalue references using the std::move function (it just performs the conversion). The following code both invoke the move constructor for f1 and f2: foo f1((foo())); // Move a temporary into f1; temporary becom...