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JSON ↔ YAML CSV ↔ JSON
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From the Blog

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HMAC Explained: Data Signing, JWT, and Protection Against Tampering

A technical guide to HMAC for developers. Covers how HMAC works with inner and outer padding, comparison with plain hashing, HMAC algorithms, JWT signing, API authentication signatures, timing attacks, and code examples.

Yesterday Security

AI Coding Agents: A Practical Workflow Guide for Real Projects

How to work effectively with AI coding agents like Claude Code, Cursor, and Windsurf. Covers the agent loop, when to delegate vs direct, context management, multi-step tasks, and the habits that separate productive agent use from expensive frustration.

Last Wednesday AI

MongoDB ObjectID Explained: Structure, Timestamp, and When to Use It

A technical deep-dive into MongoDB ObjectID. Covers the 12-byte structure, embedded timestamp extraction, comparison with UUID, sorting behaviour, security considerations, and code examples in PHP, Python, and JavaScript.

Last Tuesday Backend
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Secure

Cryptographic functions use browser's Web Crypto API.

Fast

Instant results with no server round-trips.