Dev Tools · 15h ago
Debugging Guide: Trust the Error Trace, Not Your Eyes
A systems programmer shares a debugging philosophy: the computer executes exactly what you wrote, not what you intended. A case study shows how chaining .send(200).json() in Express caused a double-response bug. The article advises trusting stack traces, auditing I/O boundaries, and embracing errors as roadmaps.
Meridian48 take
While the advice is solid for junior developers, experienced engineers may find it basic; the real value is in the concrete Express bug example.
debuggingexpress-js