Firstly, thank you for your interest in contributing to our tutorials. We use Jekyll + Markdown for our documentation. To contribute, simply make a pull request (PR) with changes in the Markdown files ...
{%- set start_date="cast('" ~ start_date ~ "' as " ~ dbt.type_timestamp() ~ ")" -%} {%- set end_date="cast('" ~ end_date ~ "' as " ~ dbt.type_timestamp() ~ ")" -%} ...