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Engineering Insights & Guides

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

11,646 articles
Career & Teams — How Meta Engineered Ultra-Narrow Batteries for AI Glasses

How Meta Engineered Ultra-Narrow Batteries for AI Glasses

Smart glasses like the Ray-Ban Meta and Oakley Meta Vanguards need to pack enough energy to power features like cameras, speakers, AI workloads, and even a display. But it all has to fit into the glasses’ temple arms. So how do you place a battery with enough power to run a pair of smart glasses […]

CWChris Wiltz·June 23, 2026Career & Teams
AI & ML — Four travel and hospitality trends from HITEC 2026

Four travel and hospitality trends from HITEC 2026

More than 6,000 hospitality executives and operators gathered in San Antonio last week for the HITEC conference. The big topic: whether the industry’s AI investment is actually working. Across four days and over 50 meetings, four trends stood out.

ABAndrew BeckmannAndrew Beckmann·June 23, 2026AI & ML
Networking — Every Choice Changes Everything: The Show

Every Choice Changes Everything: The Show

About 3 weeks ago, Leo Laporte and I recorded the first episode of what will be a new monthly show on the TWiT network. Naming things is hard, and we almost voted on the name, like we did for Stack Overflow, but we quickly landed on Off By One with Jeff Atwood – which is funny for so many reasons, but mainly because of this programmer joke: No, I did not come up with this variation on the classic

JAJeff AtwoodJeff Atwood·June 22, 2026Networking
Frontend — Adopting AV1 for Real-Time Communication (RTC) at Scale

Adopting AV1 for Real-Time Communication (RTC) at Scale

Adopting AV1 for real-time communication at Meta has been a multi-year effort spanning codec selection, device eligibility, rate control, and error resilience. We’re sharing the technical and operational challenges while deploying AV1 and expanding coverage, and how we addressed them for real-time communication. We’re presenting several technologies for improving AV1 call quality, including rate c

CWChris Wiltz·June 22, 2026Frontend
AI & ML — Temporary Cloudflare Accounts for AI agents

Temporary Cloudflare Accounts for AI agents

The moment an agent needs to deploy something, it slams face-first into a wall built for humans. Today we're rolling out Temporary Accounts on Cloudflare Workers. Any agent can now run wrangler deploy — temporary and get a live Worker in seconds.

SCSid, CelsoSid, Celso·June 19, 2026AI & ML
AI & ML — How we built an internal data analytics agent

How we built an internal data analytics agent

Qubot, our internal Copilot-powered analytics agent, allows any GitHub employee to ask questions about our data in plain language. Here’s what we learned as we built it.

MVMatteo Vasirani, Cynthia JosephMatteo Vasirani, Cynthia Joseph·June 19, 2026AI & ML
AI & ML — Build your own vulnerability harness

Build your own vulnerability harness

We break down the technical architecture behind our multi-stage vulnerability discovery harness and automated triage loop. Learn how we manage state controls, squash false positives through adversarial review, and route around LLM context limits.

DJDan Jones, Alexandra GodoiDan Jones, Alexandra Godoi·June 18, 2026AI & ML
AI & ML — What Link data tells us about AI spending

What Link data tells us about AI spending

We analyzed spending patterns across the 250 million customers paying with Link. We found that Link customers are spending more on AI than they were three months prior, investing heavily in platforms that let them build with AI.

DHDan HillDan Hill·June 18, 2026AI & ML