California just announced it'll start ticketing driverless cars that break traffic laws. That got me thinking — not about self-driving cars specifically, but about a problem I've hit on three different projects: how do you make an automated system respect a set of rules that change over time? Whether you're building a CI/CD pipeline that enforces deployment policies, an API gateway with rate-limit

#python#architecture#automation#backend

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HNMay 3, 2026 · 1d ago

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Maryland to ban A.I.-driven price increases in grocery stores

Maryland Is First to Ban A.I.-Driven Price Increases in Grocery Stores

#opensource#llm

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DEVMay 3, 2026 · 1d ago

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How I built a Go proxy that keeps your LLM conversation alive when cloud quota runs out

Introduction What is Trooper The real problem: context loss on fallback The solution: three-layer context compaction Anchor : The first two turns of the conversation are always preserved. These establish the original intent and set the tone. SITREP : The middle turns get compressed into a structured summary called a SITREP. It extracts intent, entities, open loops, recent actions, and resolved ite

#opensource#llm#ai#go

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HNMay 3, 2026 · 1d ago

↑ 161

A network smuggling Starlink tech into Iran to beat internet blackout

Clandestine network smuggling Starlink tech into Iran to beat internet blackout

#github#api

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DEVMay 3, 2026 · 1d ago

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Why finding a GitHub user's email is harder than you'd think

You've found a contributor whose work you depend on. The maintainer of a package you use, a developer who fixed something for you upstream, the author of a CVE you need to coordinate with. You have their GitHub username. You'd like their email. You'd think this would be a GET away. It isn't. Here's why — and what it actually takes to find one. GET /users/:login returns an email field. For the vast

#github#api#opensource#security

#javascript#webdev

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DEVMay 3, 2026 · 1d ago

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How to Query Nested JSON with JSONPath (Without Writing Loops)

You just got back a 300-line API response. Somewhere inside three levels of nesting is the email field you actually need. So you write a loop, then another loop, then a conditional — and now you're maintaining brittle traversal code that breaks every time the API schema shifts. There's a better way: JSONPath. JSONPath is a query language for JSON, similar to how XPath works for XML. Instead of wri

#javascript#webdev#tutorial#programming

#postgres#mcp

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DEVMay 3, 2026 · 1d ago

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An MCP server for PostgreSQL is not just another SQL shortcut

Most teams do not need another way to paste SQL into a chat box. They need a safer way for AI tools to answer real questions from live data. PostgreSQL often already holds the context: accounts, subscriptions, events, product usage, operational state. The problem is not that the data is missing. The problem is that every useful question still becomes a handoff. Without a governed access layer, the

#postgres#mcp#database#ai