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§ Developer blog

Practical articles on JSON, encoding, security, SQL formatting, regex, and developer tool workflows. Written by the Vultio team.

6 articlesupdated regularly

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§How to Debug JSON API Responses Like a Senior DeveloperA practical workflow for isolating broken API responses, reading nested structures, and spotting schema mismatches before they reach production.JSON7 min read→§Base64 Encoding Explained: What Every Developer Should KnowWhy Base64 exists, how the encoding works under the hood, when to use it, and the mistakes that trip up developers every week.Encoding6 min read→§JWT Security Best Practices: What Most Tutorials MissThe JWT pitfalls that most auth tutorials never cover — algorithm confusion attacks, missing expiry, insecure storage, and how to fix each one.Security8 min read→§SQL Formatting in Code Reviews: Why It Matters More Than You ThinkInconsistent SQL style costs more than aesthetics — it hides logic errors, slows reviews, and makes refactoring dangerous. Here is how to fix it.SQL6 min read→§8 Regex Patterns Every Backend Developer Should KnowEight production-tested regex patterns for email, URLs, UUIDs, ISO dates, IP addresses, slugs, phone numbers, and credit card masking.Regex7 min read→§UUID vs ULID: Which Should You Use in 2026?A practical comparison of UUID v4 and ULID for primary keys, distributed systems, and APIs — with concrete advice on when each one wins.Generation6 min read→