the entire Internet is made up of countless subnets, and when you enter an address from a browser and go back to access resources on another computer, the first step is DNS parsing to get the ip address of another computer. at this point, the first th...
100 in the HTTP status code indicates that the server has received the request from the client and expects the client to continue to send the request. Baidu encyclopedia explains that the client should continue to send requests. This temporary respons...
Ministry of Communications 808 protocol, control vehicle 8500 problem I want to implement the following scenarios, how to design them? 1. Control the door to unlock separately 2. At the same time, the car door is locked and the buzzer sounds . ...
get post are these stipulated by http or restful? I am the front end, and I always thought that get post is stipulated by the http protocol. but recently, when I saw what restful is, I saw that get is used to obtain, and post is used to create new on...
the updated API for obtaining user information requires to be triggered by button to authorize. Placing a button to authorize the user feels like an unfriendly experience. How do you handle it ...
I know how to write this with annotations: @ Transactional (rollbackFor= {RuntimeException.class, Exception.class}) so how to configure it with xml? :CustomExceptionException TbProduct product = this.addProduct(dto, user); if(1==1){ throw new C...
Server: Aliyun, lnmp1.4 version (centos7+nginx+mysql+php) recently updated the static file of the website with ftp, found that after overwriting the old picture with the new picture, the foreground still displays the old picture, then deletes the pict...
try to use 1.vue s custom instruction v-focus 2.input s autofocus 3.this.$refs [ input ]. Focus () all three methods android can be used to get focus automatically, but ios is not allowed. ...
Code: ready.touch = function (elem, fn) { elem.addEventListener( click , function (e) { fn.call(this, e); }, false); }; question: what is the purpose of this here? Who does it point to when the click event is ...