echo-2 < < 3; I m a little surprised that the result is-16 the following is the process of my analysis: -2 original code: 1000 0000 0000 0010 -2 inverse code: 1111 1111 1111 1101 -2 complement: 1111 1111 1111 1110 < < result: 1111 ...
-sharpinclude <stdio.h> int main() { short num = -1; 1000 0000 0000 0001() 1111 1111 1111 1110() 1111 1111 1111 1111() , 65535 printf("%u n", num); } question: why is the result not 65535 Thank you ...
-sharpinclude <stdio.h> int main() { short int x = -10; - 1000 0000 0000 1010 - 1111 1111 1111 0101 - 1111 1111 1111 0110 F F F 6 - fffffff6, 4 printf("%x n", x); } I just ...
question 0: java byte b = 0x80; byte b = 0x70; question 1: 0x80 We use the usual binary (no complement) to express that it should be 1000 0000. is the 1 in the binary a symbol bit (because I guess the above problem may be related to the symb...
consider the following code -sharpinclude <stdio.h> -sharpinclude <limits.h> int compare (const void * a, const void * b) { return ( *(int*)a - *(int*)b ); } int main(void) { int a = 1; int b = INT_MIN; printf("%d %d ...
1. As the title ...
problem description css demo1.html css index.css index.html demo1.html js index.js img bg.jpg img icon.jpg as above, it is a traditional project structure, and because of the way you need to update the cache, you may need to configure hash, for e...
an interface is distinguished according to the parameter type=1 or = 2, and there are several of each of the two types. How do you want to loop directly into two ul lists through a v-for? You can share an index, to facilitate other operations. If it is d...
A string: for example, var a = ""; [""""]; for for (let j = 0; j < a.length; j += 5){ let titlj = a; titlj += titlj[j].split(",") console.log(titlj[j].split(",")); [ ] [ ]...
The Java parent class implements serialization, but does the subclass still need to be implemented? what is the best way to serialize parent and child classes? does an inner class need to be serialized when it is used by an external class? and, how do...