A developer shares a personal coding rule implemented over two months, designed to prevent data duplication and ensure data integrity. This rule categorizes stored values as Live, Snapshot, or Cache, each with specific handling requirements. The developer recounts three instances where adhering to this rule prevented critical data errors, including a retroactive pricing recalculation and the silent drift of cached data. AI
RANK_REASON The item is a personal reflection on a coding rule and its application, not a release or significant industry event.
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