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Debugging Techniques
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Rubber Duck Debugging: Why Talking to a Toy Works
Explaining your code aloud to a rubber duck slows you down and exposes the bug. Here is where the idea…
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Print Statements or a Debugger? Choosing the Right Tool
Prints, logs or a debugger? A practical comparison of where each one wins, where each breaks down, and how to…
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Breakpoints for Beginners: Pausing Code to Inspect State
A beginner’s walkthrough of breakpoints: set one, pause the program, read the variables and call stack, step through code, and…
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Reliably Reproducing a Bug Before You Fix It
A bug you can trigger on demand is a bug you can fix. Capture the environment, record exact steps, shrink…
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Race Conditions: Spotting and Debugging Concurrency Bugs
Race conditions vanish when you look for them. Learn a repeatable way to trigger them, use Go’s race detector, read…
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Reading a Stack Trace Without Panic
A calm, step-by-step way to read a stack trace: start with the error line, find the first frame in your…
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Chasing Bugs That Only Happen Sometimes
Bugs that fail only sometimes feel random, but they follow rules. Make the failure repeatable, use a race detector, and…
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Finding and Fixing Memory Leaks in Long-Running Apps
A practical walkthrough of finding and fixing memory leaks: compare heap snapshots, read retainer paths, and fix detached nodes, listeners,…