Shell scripts use the jq command to retrieve data from JSON. I often forget how to use it, so here is a memo for my own use. Basic Basic operation "takes input from standard input, filters it, and outputs it to standard output." . represen…

The Go language is often programmed by combining simple functions, and error checking occurs for each function, so the code in general tends to be long. Even when I want to do something small, I need to write code accordingly, but it is te…

I was editing the Serverless Framework configuration YAML, looking at the following sample from the official site. When I finished editing and ran the file, it didn't work, and when I looked closely, I found that "arn: arn:xx" was actually…