Hands-on technical write-ups on Oracle APEX, covering debugging Interactive Grid behavior and testing new APEX 26.2 features. Articles include reproducible setups, test results across repeated runs, and honest accounts of what failed along the way.

Scott Mallinson writes engineering notes on building AI tools, API-driven background jobs and system design, drawing lessons from real bugs in his own systems. Readers get concrete, first-hand accounts of failure modes and the reasoning behind fixes, such as hysteresis in batch jobs and keeping constraints in code rather than prompts.

CODELZ publishes deep-dive debugging guides for Node.js, TypeScript, React, Angular and Python, plus reviews of developer books and tools. Each issue reproduces a real error, explains the root cause, and walks through fixes with runnable code.

Field notes on security and software engineering, with detailed troubleshooting write-ups on Azure services and web security. Readers get worked debugging stories, local test harness builds, and explanations of modern practices like strict CSP.