error-handling
Error Handling Patterns & Best Practices
Comprehensive error handling strategies across languages and frameworks for building resilient, fault-tolerant software systems.
Error Handling Philosophy
Fail Fast
Detect problems as early as possible and report them immediately. Do not let invalid state propagate through the system.
- Validate inputs at system boundaries
- Use assertions for invariants during development
- Throw on impossible states rather than returning defaults
- Prefer compile-time checks over runtime checks
Fail Gracefully
When failure is unavoidable, degrade functionality rather than crashing the entire system.
- Provide fallback values or cached responses
- Shed load intelligently under pressure
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