John Arundel shares ten essential commandments for writing effective Go code, emphasizing practices such as creating reusable packages, thorough testing, and prioritizing code readability. The guidelines also stress error handling, safe programming habits, and the importance of maintaining a clean environment while coding. By adhering to these principles, developers can enhance their code quality and overall efficiency.

The article covers best practices and strategies for error handling in Go programming, emphasizing the importance of clear error reporting and management. It discusses various techniques, such as using error types, wrapping errors, and leveraging Go's built-in error handling features to create more resilient applications. Effective error handling is positioned as a crucial aspect of building robust and maintainable Go software.