what is the best usage for the \"typeof\" JavaScript function? if (ty开发者_如何学Gopeof (myvar) == \'undefined\') {
I use the \"is\" operator to find a certain class: for(int i=0; i<screens.Count; i++){ if(screen is ScreenBase){
I\'ve got structure : type OneDevice = { mutable id: System.UInt16 mutable typeDev: byte mutable portNum: byte
all! I\'m stuck with boost::result_of and BOOST_TYPEOF. I wanna use them for deducing return value type of method.
This question already has answers here: 开发者_Python百科How do I check that a number is float or integer?
One can use typeof to determine whether a value is primitive or boxed. Consider: typeof \"foo\"; // \"string\"
I have a variable var number=\"1234\", though the number is a numeric value but it is between \"\" so when I check it using typeof or by NaN I got it as a st开发者_如何学Pythonring .
i want, when user typed, 0000/00/00(it is format date) after the end of typing run anything(example: AJAX CALL), how is it?
How should I detect if the argument is an array because typeof [] returns \'object\' and I want to distinguish between arrays and 开发者_开发百科objects.
I find the following a bit confusing.... Dictionary<Type, Object> _typeMap; public void开发者_StackOverflow社区 RegisterType<T>(Object o)