if MySQL is a few questions about master-slave synchronization 1) can one slave synchronize data from multiple master, or can one slave only work for one master and one master for multiple slave 2) must their database names be the same for master and...
I know that mysql master and slave have been configured, but I don t know what to do if one of them dies: 1. If there is only one master and one slave, do you want to upgrade the master manually in case the master dies? (it seems that you can t call...
using Kotlin to develop Spring Boot is to find the following problems. How to solve them? ] ...
the same file will not be re-rendered and loaded on different routes, nor will v-if, the purpose of re-rendering. In order to switch the animation is effective. two The data can be displayed differently according to the data I pass, and the style is the...
Why do you write like this? it doesn t work here. It s depressing . ...
<li :class= "isnewList()? active : " v-for="(list, index) in shoppinglists" :key="list.id" role="presentation"> methods: { test(){ this.$forceUpdate(); } addnewListnewListactive class lis...
Red is in hsv, 0: 10 and 150: 180. How to extract it? novice, this is what I wrote, but I don t know how to write it later. I roughly want to combine their results. or is there a more elegant way to write it? ask for divine guidance. hue_image = c...