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📰 Dev.to · Robert Pringle

2 articles · Updated every 3 hours · View all reads

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Holiday-Aware Date Math for Global Applications
Dev.to · Robert Pringle ⚡ AI Lesson 3mo ago
Holiday-Aware Date Math for Global Applications
Why national holiday lists are almost always wrong, the sub-national problem (Bavaria vs Berlin), and a multi-country payroll calculator in Python.
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Building an SLA Deadline Tracker in Python
Dev.to · Robert Pringle 🔧 Backend Engineering ⚡ AI Lesson 3mo ago
Building an SLA Deadline Tracker in Python
Why "24 business hours" is harder than it sounds — DST traps, holiday edge cases, and a complete CLI tool that gets it right.
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