Harsis Yadav🐘 The PostgreSQL NULL Trap: When a Security Check Isn't Really a Security Check
How NULL semantics can quietly weaken tenant isolation, and how to make PostgreSQL security checks fail closed.
PostgreSQL
SecurityInsights · 6 articles
Engineering beyond the demo.
Notes on production debugging, PostgreSQL, secure SaaS, and applied AI, plus the occasional side quest. Some come with a companion video on YouTube.
6 articles
Tech
5PostgreSQLSecurity🦀 Recipe: Build Your Personal AI Assistant
Build a personal AI assistant on Raspberry Pi with ZeroClaw, Telegram, and optional local models.
Linux
AI🔦 GraphQL: Demystified
An easy setup and quickstart guide for GraphQL
Node.js
GraphQL💸 Stocktrix - Smarter Way to Read Financial News
How I built Stocktrix, a FastAPI and Next.js app that summarizes financial news and predicts stock sentiment.
Development
FastAPI
Next.js⚽️ Outdoor tracking with Ultra-Wideband (UWB) networks
How to track location offline and without GPS?
Development
Python