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The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

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Engineering — Why Replicate is joining Cloudflare

Why Replicate is joining Cloudflare

Today, we’re excited to announce that Replicate is officially part of Cloudflare. We wanted to share a bit about our journey and why we made this decision.

AJAndreas Jansson, Ben FirshmanAndreas Jansson, Ben Firshman·December 1, 2025Engineering
Security — Streamlining Security Investigations with Agents

Streamlining Security Investigations with Agents

Slack’s Security Engineering team is responsible for protecting Slack’s core infrastructure and services. Our security event ingestion pipeline handles billions of events per day from a diverse array of data sources. Reviewing alerts produced by our security detection system is our primary responsibility during on-call shifts. We’re going to show you how we’re using AI…

DMDominic Marks·December 1, 2025Security
Frontend — Brand New Layouts with CSS Subgrid

Brand New Layouts with CSS Subgrid

Subgrid allows us to extend a grid template down through the DOM tree, so that deeply-nested elements can participate in the same grid layout. At first glance, I thought this would be a helpful convenience, but it turns out that it’s so much more. Subgrid unlocks exciting new layout possibilities, stuff we couldn’t do until now. ✨

JWJosh W. Comeau·November 25, 2025Frontend