beginners learn Unity , do not understand these concepts very well, such as ScreenToWorldPoint ScreenToViewportPoint and other methods are converted with what formula, their concepts I refer to the official documents, but there is no illustration, t...
my index.js code goes like this: aims to upload a random number string to the server, and then console.log the server s return value. var randomNum = Math.floor(Math.random() * 5).toString(); console.log(randomNum); var xhr = new XML...
which boss has done the back-end control routing, emergency ...
quote= " ; function t() { echo "${1}" echo "${2}" echo "${3}" } a="xxx yyy"; b="yyy zzz"; c="aaa.bbb"; cmd= t ${quote}${a}${quote},${quote}${b}${quote},${quote}${c}${quote} ev...
the title is as follows: the robot walks the maze the maze consists of N W S E stepping on N, stepping on N, stepping on W, walking on the left, stepping on S, stepping on E, and stepping on E, input the number of rows in the maze is not greater than...
var checkAge = (rule, value, callback) => { if (!value) { return callback(new Error( )); } setTimeout(() => { if (!Number.isInteger(value)) { callback(new Error( )); } els...