I have been hearing that the AS/400 is obsolete since Y2K. Back then, everyone was talking about abandoning it for the next big thing — new platforms, new frameworks, new acronyms. Yet somehow, the so-called “obsolete” machine kept quietly running businesses all over the world. I did not jump ship. I kept sailing. Today it…

Arguably, one of the most common mistakes a junior programmer can make is creating an endless loop. It is also one of those learning moments that sticks with you for your entire career. So what did I do this time? I took a perfectly good free-form RPG program and handed it over to AI. I…