Hybrid retrieval with reciprocal rank fusion: notes from a RAG prototype
Why dense and sparse retrieval disagree, why fusing ranks beats blending scores, and what a 20-question evaluation set revealed about a B2B sales-intelligence prototype.
Tutorials
Reddit Reports Losing More Than 1 Million Search Referrals a Week as AI Search Changes
Reddit has disclosed a material decline in search referrals during October 2026, saying it lost more...
Approval gates for AI agents: how Sahkarmi decides what a coworker may do
The permission model behind Sahkarmi: sixteen action categories, six that can never be auto-approved, time-boxed delegated authority, and a browser take-over flow that keeps passwo...
Handling Failures as Values in Agent-Generated Code
I am Jake Burwick, a high school student, and I built Vow, an open source programming language under...
Meituan's LongCat-2.5 Drops Into Claude Code at $0.30/$1.20. Its Setup Caps You at 200K
Meituan's 1.6T LongCat-2.5 has a 1M context, an Anthropic-compatible API and a Claude Code guide. Copy that guide and Claude Code compacts at 200K.
AI coding and open-source CRM: the Salesforce replacement test
AI coding powers OccupySaaS's early Salesforce alternative. Its documented scope shows what a compatible server can preserve and what an operator inherits.
qtask: a task tracker my AI coding agents share, in one Python file
I run several AI coding agents at once on the same project. One fixes a backend bug, one checks a...
AI Search Measurement Needs to Move Beyond Brand Mentions
AI systems may recognize a brand, its founder, or its past achievements without recommending that...
Standard bf16 Rounding Discards 99% of Your RL Policy Updates
If you run reinforcement learning post-training on language models using frameworks like verl, TRL,...
The shared blackboard pattern is back and it's solving multi-agent context loss
I once shipped a blackboard that nobody could see. The storage layer worked perfectly. Every agent...
What AI poker bots say about their own hands while you play
I run aipoker.bot, a small site where you sit down and play poker against a lineup of AI poker bots....
I Had a Perfect Sprint Board. 18 AI Subagents Still Wrecked the Repo.
Todo, In Progress, Ready for QA, Done. The columns were right. The management underneath them wasn't.
LLM Gateway & FinOps Architecture for B2B SaaS: Semantic Caching, Routing & Tenant Quotas
The finance lead forwards you the model provider invoice with one line highlighted. Spend tripled in...
OVHcloud vs Vultr Bare Metal: DDoS Protection, Anti-Abuse & Throughput Benchmarks
OVHcloud vs Vultr Bare Metal: DDoS Protection, Anti-Abuse & Throughput Benchmarks ...
Coding agents stop mid-task. Our coordination store had 3,896 stale conflicts
Foremerge records what each coding agent plans to change before it edits anything, and raises a...
AI Coding Agents Do Not Make Framework Choice Irrelevant. They Make Its Costs Measurable
A familiar argument is making the rounds in web development: if an AI agent writes most of the code,...
Coding agents with a face: bots in Coincide
Give a coding agent a character, a personality, its own agent, model and folder, and a routine.
Chasing milliseconds in Speed Demon 2026: lessons from a solo optimisation sprint
The change I'm proudest of from this contest brought Track A's board memory down from 22.69 MB to...
Stop Re-Pasting Your Best AI Prompts: Turn Them into a SKILL.md With a Done Condition
Every team using an AI coding agent eventually builds a private collection of “the good...
Ollama with C# and .NET: Run a Local LLM in ASP.NET Core
Run a Local LLM with Ollama from C# and ASP.NET Core Run a local LLM with Ollama and...
Shop MCP Shows Why AI Shopping Agents May Choose Different Products From the Same Catalog
Shopify’s Shop MCP gives AI agents a new way to search product data, build carts and complete Shop...
Day 14: I Gave HYNA-Stage a Brain (AI Support + Human Escalation, Built on a $150 Phone) 🧠🤖
It was late at night. I was staring at a glowing terminal in Termux on my $150 Android phone. I had...
Your AI booked three therapists into two rooms at 10 AM. Every booking said 'available.'
A physiotherapy clinic with four therapists and two treatment rooms discovered the problem at 10:04...
What Happened When I Built an Open-Source AI Project in Public
A few months ago, BOOTH was just a small idea I wanted to explore. I wasn't sure whether it would...