Debugging isn't about code, it's about assumptions

90% of debugging isn’t fixing the issue. It’s realizing your assumption was wrong. You don’t “solve” bugs by staring harder at the code. You solve them by noticing the gap between: • what you thought the system was doing vs • what it’s actually doing And that gap is usually not in the codebase. It’s in your mental model. That’s why experienced engineers don’t immediately start changing code. They start asking: What did I assume here? Where is the system behavior diverging from my expectation? What am I not seeing yet? Because once your understanding is correct, the fix is usually obvious… and sometimes embarrassingly simple. The real skill in engineering isn’t writing code faster. It’s building a more accurate model of reality, faster. And that’s what separates someone who “fixes bugs” from someone who understands systems. I’ve been applying this mindset across everything I build from small UI issues to full-scale systems and it changes how you approach problems entirely. #Debugging #Engineering #SoftwareDevelopment

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