This is a note when Rails was installed on CentOS7. The final Nginx nginx.conf file can be found here.

I tried to solve FizzBuzz with Ruby. It's interesting to see the differences between different languages when creating FizzBuzz.

This is a sample code for web testing. When I'm looking for a job, I often see competition programming in web tests, so I put it together. Read more

It's about Ruby arrays. Recently, I've been doing some competition programming in Ruby. I'm worried about when to migrate to C++.