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Latest posts
Last updated 10 minutes ago
How we built mantek.io for the price of a domain
43 minutes ago
The site you're reading costs us almost nothing to run. There's no...
The Java Collections Force: Mastering the Hidden Gems Like a Jedi
37 minutes ago
The Quest Begins (The “Why”) I still remember the first time I...
OpenAI Codex Sites: the launch layer arrives — inside your company workspace
36 minutes ago
When the company that ships the best coding agents also ships "prompt...
A UMAP With Arrows Is Not a Benchmark. This Is
35 minutes ago
How I built a three-task evaluation framework for RNA velocity trajectory inference...
How I Build Production AI Apps on Cloudflare with Claude Code
23 minutes ago
AI makes it trivial to generate a working demo. Making something that...
Smart Resume for File Transfers in Rust — Never Start Over
44 minutes ago
All tests run on an 8-year-old MacBook Air. All results from shipping...
Why AI agents can't shop today — and what we're building to change that
about 1 hour ago
AI agents are getting smarter every week. They can browse the web...
Product Launch Telemetry: How AIKit Turns Feature Releases Into Agent-Readable Growth Loops
about 1 hour ago
Product launch telemetry is the bridge between shipping a feature and proving...
We built an app for Japanese neighborhood associations — and the handover notebook turned out to matter most
about 1 hour ago
The problem Every year in Japan, a small group of volunteers runs...
[System Design] Uber RAMEN: How Ride-Hailing Apps Push Real-Time Notifications to Millions of Devices
about 1 hour ago
The Problem: Pushing Instant Notifications to Millions of Devices Answer-first: Uber's RAMEN...
Python interview questions: what each one actually predicts on the job (2026)
about 1 hour ago
Canonical: this is a cross-post. The original lives at https://four-leaf.ai/blog/python-interview-questions You can...
Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference
about 1 hour ago
Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference Three months ago...