Lessons
Short, practical IBM i programming lessons.
Focused examples for RPG, SQLRPGLE, Db2 for i, APIs, DevOps, security, monitoring, and modern IBM i development.
Lesson 1
RPG ASSERT-T and ASSERT-F: Defensive Programming on IBM i
Learn how to use RPG ASSERT-T and ASSERT-F to document and check assumptions in your code with short, practical examples.