Go 1.27 Finally Fixes HTTP/1 Connection Churn
Go's default Transport keeps just 2 idle connections per host. Here's the churn behind your p99 spikes — and the one-line fix.
Dafallah Ibrahim
The New JavaScript Decorators Are Not What You Remember
Standard decorators landed in TypeScript 5: no descriptors, a context object, and auto-accessors. Here's the API you'll actually use.
Your AI CLI Just Installed a Daemon
Codex CLI now installs a persistent, self-updating daemon by default. Here's how to audit your machine before it updates itself again.
A Literal ~ in Your PATH Hijacks Commands
PATH entries aren't shell-expanded. A quoted tilde becomes a relative directory — and anyone who creates a dir named ~ owns your shell.
Microsoft Just Shipped a Sandbox for Agents
Mxc 1.0.0 brings policy-driven containment for AI agents to Windows. If your agent can read ~/.ssh, you need this pattern — today.
Cloudflare Bought Deno — Now What for Your Code?
Deno, the TypeScript runtime from Node's creator, is now a Cloudflare company. What it means for your edge deploys and JSR packages.
DuckLake: ACID Transactions on Plain Parquet
DuckLake hit HN today: the catalog lives in SQLite or Postgres, the data is Parquet on S3, and you get ACID and time travel in plain SQL.
Chrome Ships JPEG XL — Your JPEGs Can Shrink 20%
Chrome now ships JPEG XL. You can losslessly shrink every existing JPEG by ~20% — pixel-identical. Here's how to adopt it safely.
TypeScript's satisfies Keeps Your Literals Alive
The satisfies operator type-checks your object literals without widening them to string. Keep exact types, key autocomplete, and typo checks.
Two Processes, One Port, Zero Downtime
SO_REUSEPORT lets many processes bind one port while the kernel spreads connections — zero-downtime restarts with no load balancer.
A 125B Model Just Hit 100 t/s on One RTX 4090
Qwen 3.8 Flash Next (125B) runs at 100 tokens/sec on a single consumer GPU. The math that makes it possible — and what it changes.
Your AI Agent Needs a Hard Spending Cap
Simon Willison is right: soft limits don't stop runaway agents. Here's how to enforce hard caps on tokens, dollars, and time in your code.