How to Build an AI Agent with Per-User OAuth Access [Full Handbook]
Saif Ali Shaik |
When your AI agent serves more than one person, every tool call must answer: who's the agent acting for? Let's learn how to solve this by building an AI agent that connects with Slack and GitHub. A Sl... read more
How to Build a Browser-Based PDF Filter Studio with JavaScript
Bhavin Sheth |
PDF editing isn't limited to adding signatures or merging documents. Sometimes you simply want to improve the appearance of a PDF by increasing brightness, boosting contrast, adding blur, converting i... read more
Product Experimentation at Scale: How Airbnb, Netflix, Lyft, and Uber run Causal Inference on LLM-Based AI Features
Rudrendu Paul |
Causal inference for LLM-based AI features is no longer theoretical. Airbnb, Netflix, Lyft, and Uber have published detailed engineering blog posts describing exactly how they measure the causal impac... read more
How to Automate Flutter Releases with Fastlane and GitHub Actions for Firebase App Distribution, Google Play, TestFlight, and App Store Connect
Atuoha Anthony |
Picture this: it's 4pm on a Friday, and your team has just merged the last feature for the sprint. But your product manager asks for a new build on TestFlight by the end of the day so the client can r... read more
Product Experimentation with Doubly Robust Estimation: When Both Your Models Are Wrong in LLM Applications
Rudrendu Paul |
Your AI product shipped an agent-mode opt-in six months ago. You ran a propensity analysis, adjusted for engagement tier and query confidence, and reported a clean +8 percentage-point lift in task com... read more
How to Get Your Side Project Seen and Gain Paying Users
George Field |
In 2022, I built a small micro-SaaS in my spare time and eventually sold it for a few thousand dollars. And today, with AI tools, it probably would've been even easier to build. But what has changed d... read more
AI Evaluation Engineering: Build a Production-Grade LLM Evaluation Platform from Scratch [Full Handbook]
Ayobami Adejumo |
The gap between a demo that impresses and a system you can trust is measured in evals. I want to start with a story that's happening in hundreds of engineering teams right now. A team builds a RAG app... read more
Flutter Frontend Systems Design: How to Think Like a Senior Engineer in the AI Age
Jesutoni Aderibigbe |
Systems design has always been treated as a backend problem. Ask a group of Flutter engineers what systems design means, and most will describe server architecture: load balancers, databases, and micr... read more
How to Add Dynamic Features to a Static Site Without a Server
Manish Shivanandhan |
Static sites are having a moment, and it makes sense. A folder of HTML, CSS, and JavaScript files is fast to load, cheap to host, and very hard to break. Tools like Astro, Eleventy, and Hugo build tha... read more
How to Test AI Features in Flutter [Full Handbook]
Atuoha Anthony |
You've spent two weeks building an AI assistant. The streaming chat looks beautiful, the system prompt is tight, and safety filters are configured. You demoed it to the team, and everyone was impresse... read more