there are three existing servers (all mysql5.7 installed by centos7,): br 10.19.6.6 BRV 192.168.3.101 CRAV 192.168.3.102 use xtrabackup to back up A s MYSQL data, then restore to B A s database to deactivate, and B updates the primary database d...
use xtrabackup s innobackupex tool to back up the mysql database, some of which are myisam engines. After another machine is restored, when querying the table, prompt table "xxx " is marked as crashed and should be repaired, to use the repair command t...
problem description: first of all, the code changes the preempted picture and text in real time by clicking the link, and then wants to separate the Js script in HTML, but the desired result is not achieved after the separation, and so is the other link...
I would like to ask you a question about a getters of vuex: can getters of modules A call state or getters of modulesB my question scenario is probably: use a key of modulesB to filter an array of modulesA: The code for modules An is roughly as fo...
I know the same origin policy, and I just want to ask how I can tell whether it is cross-domain or not. Parent.xx or top.xx, in a subdomain will report an error directly when crossing a domain, so how can it avoid reporting an error? ...
index.js import Vue from vue import Vuex from vuex Vue.use(Vuex) export default new Vuex.Store({ state: { city: } }) main.js import Vue from vue import App from . App import route...
I save the generated QR code image in the public directory. The frontend request interface requires me to return this image address, but this image address does not exist. 404, is there any way to solve it? ...