Blog

PHP2Shell: The Critical PHP Flaw Hitting Servers Right Now, and What to Do About It

System Design: Modular Monoliths Architecture Before Microservices

95% Cache Hits, 5% Database Load: How Meta Handles Billions of Requests

Imagine you’re building an application that serves 100 million users. Every time someone opens their feed, your backend needs to retrieve posts, profile information, relationships,...

Google Used AI to Control Data Center Cooling. The Hard Part Was Making It Safe.

Imagine giving an AI system control over the cooling infrastructure of a data center that runs services used by billions of people. It can adjust...

When AI Is Not the Right Answer

I once worked as a data scientist at a startup in Chicago, where I was hired to do something ambitious: replace the company’s entire credit...

Segment Trees: Range Queries and Updates in O(log n)

Data structure: Segment Trees: not that tough

LLM Harness Engineering: Building Reliable AI Systems Beyond the Model

Imagine giving an AI model access to your codebase and asking it to fix a production bug.

System Design: Your Database Is Fast. So Why Is Your API Taking 8 Seconds?

Imagine you’re building an e-commerce API.

Hello, world

This is your first post. Delete this text and write whatever you want here — Markdown works (headings, bold, code, links, images, lists).