The problem’s link： https://www.hackerrank.com/challenges/flatland-space-stations/problem This problem’s difficulty level is EASY, but to be honest, the solution didn’t pop up into my mind straight away after reading the description. However, I found one way which is easy understanding and light code to solve it. I won’t explain the requirement here, so…

Circle CI is a CI/CD service, which is quite convenient to help you deploy your code to the remote server. This post aims to provide a solution to one frustrating problem that you probably met with CircleCI, which is not enough information to prompt when your program stops at the…

In real projects, it is common to increase the EBS volumes on the EC2 as the project develops deeper and further. In this module, I will lead you to finish it step by step: Important to notice that creating a snapshot of the target’s volume before resizing volume is always…

This post is about how to use reflect feature to implement as much as you want to do with Golang. Here are some cases: 1. How to get all the fields’ name of an object? type A struct{ Foo string Bar int64 } func main() { a := &A{Foo: "afoo"} val := reflect.ValueOf(a).Elem() for i:=0; i<val.NumField();i++{ fmt.Println(val.Type().Field(i).Name) } } The answer: …