Prompt Caching
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??????? #tech
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The Psychopath Code – By Pieter Hintjens [pdf]
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Ask HN: How would you harden AI changes to a 1M-line legacy SaaS before review?
I’m not a software engineer, but I’ve been running an experiment to see whether agentic development could produce a useful prototype on top of an existing SaaS codebase. The codebase is 1M+ lines, 15 years old, hosted on Azure, and primarily written in C# and React. The prototype needs to be av...
AP2 and A2A: two agents working together and getting paid (in tokens)
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🐳 MyZubster Ecosystem: Docker Integration, Monero Mainnet, and NFT Expansion
🐳 MyZubster Ecosystem: Docker Integration, Monero Mainnet, and NFT Expansion A comprehensive update on infrastructure, security, and the path to production. 🚀 What's New? The MyZubster ecosystem has undergone a major infrastructure overhaul in the last 48 hours.
Substack adds AI text detection to all notes and posts
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Could dark energy come from the Standard Model? ρ_Λ = ρ_P · e^(-90π)
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Forget expensive sleepbuds. Buy this pillow instead
Tech companies love to sell us expensive gadgets to solve all of life's little problems. Sleepbuds sold by the likes of Anker and Ozlo are a good example.
🥐☕️FC Ptit Déj: France broke the internet, 21-0 win in Germany!
Les Bleus dominated on social media 📲They may not be world champions, but Les Bleus are kings of the small screen! The FFF has revealed the French national team’s digital figures during the 2026 ...
Markup Language Zoo
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Android May Soon Restrict On-Device ADB
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Sally in the Classroom: A $58K Humanoid Is Not an Education Strategy
Sally in the Classroom: A $58K Humanoid Is Not an Education Strategy Context and Core Event This fall, Salamanca City Central High School in western New York is slated to host one of the more uncanny ed-tech pilots of the year: Sally, a stationary M-series humanoid from Toronto-based Realbotix. ...
AI Agent Security Audit Checklist: 8 Critical Tests for Production Deployments
AI Agent Security Audit Checklist: 8 Critical Tests for Production Deployments AI agents are no longer experimental. In 2026, enterprises are deploying LLM-powered agents that read databases, execute code, send emails, and control production infrastructure. The question is no longer "should we ...
Flushing the DNS Toilet Twice
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Ask HN: Which is the least sloppy and claudeism free model you have used?
I feel like recent models have been consistently getting more sloppy and increasingly claude-ism heavy (load-bearing seams galore) with every new release. I was hoping this trend would reverse in newer major version releases but I just tried out Opus 5 and it's similarly shit at writing. Fable ...
Claude Opus 5: Hands-On with Code Generation, Agent Orchestration, and Cost Analysis
Anthropic quietly shipped Claude Opus 5 last week. Not a flashy announcement, but the numbers caught my attention: roughly 33% cheaper than Opus 4, better at code generation, and supposedly more reliable with tool calling. I run a small cross-border e-commerce operation where we process product...
MCP Protocol Security: Why the readOnlyHint Vulnerability Exposes a Fundamental Flaw in AI Agent Tool Calls
AI Runtime Security Series — Article #4 The Model Context Protocol (MCP) is rapidly becoming the standard for connecting AI agents to external tools, databases, and APIs. Adopted by Anthropic, OpenAI, and the broader agent ecosystem, MCP promises a unified interface for tool discovery and invoca...
Postgress in Rust
I am re-implementing postgresql from scratch in rust, with little twists..
Two ES module script tags, same src, only one runs: a debugging story
I migrated a landing page to a new domain and left the old analytics beacon tag in place "temporarily," alongside the new one. Two <script type="module" src="https://static. cloudflareinsights.
🌐 Understanding TCP Flow: From Handshake to Data Transfer
When you type a URL like https://youtube. com into Chrome, a fascinating sequence of events unfolds behind the scenes. Let’s break it down step by step.
Anthropic cuts API costs with Opus 5 as rivals unite to defend open weights
Anthropic dominated the day’s product cycle with the surprise launch of Claude Opus 5, a model that effectively obsoletes the company's own flagship architecture at half the cost and immediately topped third-party leaderboards [1] [3] [95] . Meanwhile, a massive geopolitical rift formalized as M...
Policy Cascades for Governed Multi-Tenant Agent Platforms
Most agent platforms give you one configuration file and hope. When you are running agents for more than one team — or more than one customer — a single config breaks down fast. Each workspace needs its own model, its own service access, its own secrets, but someone has to guarantee that no wor...
Postgres FDW: Pushdown is a negotiation
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What actually belongs in an architecture decision record (and what doesn't)
Most architecture decision records fail for the opposite reason people think. The issue usually isn't that teams forget to write them. It's that the ones they write are filled with the wrong content.