func Test(t T){ t.(A).xxx } T is an interface. The purpose of is to make the method a little more flexible, but will there be performance problems if you use it too much? ...
I know there is no Long type in JavaScript, but how can I convert the corresponding bytes bytecode to Long type? Here is a piece of java code that can be easily converted in java, such as byte [] a = {0x02,0x03, 0x04, 0x05, 0x06,0x07, 0x08, 0x09}; publ...
Why {} + [] = 0? in the case of parameters on both sides of the operator as objects, {} + [] = = [object Object] , but the result returned under the console is 0. has searched for such problems, saying that {} is treated as a block-level scope, and...
1 is int type, why short s = 1 does not report an error, while 1.1 is double type float f = 1.1 ? ...