Hi everyone, I’m Daisy. A reader left me a big message the other day that went something like this. Daisy, I have a friend who is very close to me in person but talks badly about me behind my back. But I can’t let her go, what should I do? I’m sure many readers have […]
Suppose now there is a function getUserInfo() that queries for user information and the parameter is userId. If the userId passed in does not meet the formatting requirements, or if the corresponding user information cannot be found based on this userId, the function has 2 ways to handle the situation return false or null to […]
Introduction We currently use ceph as persistent storage for Grafana in our k8s cluster, so once I delete and rebuild Grafana’s Deployment, all previous data will be lost and the rebuilt PV will be mapped to the new location on the backend storage. Fortunately, I did rebuild it by hand and didn’t back it up […]