Cryptography Featured RSA in Python From Scratch: Math, Keys, and Real Code Build RSA encryption in Python from first principles. Covers the Extended Euclidean Algorithm, modular exponentiation, and key generation, with working code.
Software Development Unhackable Is a Marketing Lie. Here's What Formal Verification Actually Proves The strongest software assurance claim in the industry belongs to seL4, a microkernel with a machine-checked proof down to the binary. Its own documentation publishes the list of things the proof does not cover. That list is the whole story.
Web Development Building a Production REST API With Node.js and Express Build a REST API in Node.js and Express the way production systems need: input validation, JWT auth, refresh token rotation, status codes, rate limiting, idempotency keys, and centralized error handling.