yaml

YAML is a widely used data serialization language. In almost any software project, or during any dev-ops tasks, you can come across with YAML. For example Ruby on Rails uses YAML for fixtures, configuration files and localization. CI/CD tools such as CircleCI and Travis also use YAML for configuration. If you ever experienced a strange behaviour with YAML, you may have used one of the many reserved words of YAML. YAML reserves some words such as ‘yes’, ’no’, ‘y’, ’n’, ‘off’, ‘on’, etc....