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 ? ...
problem description I have configured the mail server in config.yml mail.backend: smtp -sharp Use dummy if you want to disable email entirely mail.host: smtp.exmail.qq.com mail.port: 587 mail.username: mail.password: mail.use-tls: ...
I added a click event to the check box what I need now is that I am in the next function drawLine(){ console.log(this.ceshi()); } when I click on the check box, I can t get the status of status at this time. How can I get it? as ...
topic description arr1 = [1,2,3,4,5]; arr2 = [A1, a2, A3, A4, A5]; arr3 = [b1, b2, b3, b4, b5]; arr4 = [C1, c2, c3, c4, c5]; arr5 = [11,22,33,4455]; multiple arrays are similar in this form. The content in the array is uncertain needs to be merg...
I bound an out-of-focus event to an element, but the undefined, code for printing this directly in the out-of-focus event function is as follows: <input id= peopleName bindblur= VerifyName type= text placeholder= placeholder-class= pla...
The code is as follows. The server will return data several times within 3 seconds. I want the following loop to be terminated after more than 3 seconds. What should I do? while ($mes = socket_read($socket, 1024)) { xxxxx } ...