AI & ML

I expected the cheaper model to be cheaper. It cost 8.6 more.

I'd routed the same one-word prompt to Claude Haiku and to Gemini 2.5 Flash. Flash has the lower per-token price, so this should have been an easy win…

Как я построил guardrails, которые не дали моему AI-агенту пойти вразнос

На третий день в проде мой support-агент на LangGraph и GPT-4o слил email одного клиента в переписку с другим. Причина банальна: модель вставила сырой…

BoxAgnts Tool System (6) — Multi-Provider Adaptation and the Agent Query Loop

BoxAgnts' tool system, from the bottom-level WASM sandbox to the top-level Tool trait, has solved "how tools run safely." But tools ultimately need to…

I stopped trusting Claude's code reviews, so I built a skill that puts my code on trial

Every time I asked Claude to review my branch, I got one of two answers: a cheerful "Looks good! 👍" or a vague list where I couldn't tell a real bug f…

Stop shipping a stale .env.example

A .env.example is the one file in your repo that nobody runs, nobody tests, and everybody trusts. It’s the contract a new teammate reads on day one to…

Migrating from cron to systemd timers

Cron has run the world’s scheduled jobs for forty years, and on most servers it still works fine. But the moment a job needs structured logging, a con…

Reading cron expressions

Almost everyone who runs a backend has stared at a line like */15 9-17 * * 1-5 and half-remembered what it does. Cron’s syntax is compact, which is it…

How to Add Living Photo Effects to Your Web Portfolio

Static portfolios blend together. Every designer's site has the same grid of JPEGs. We wanted something different for our own product pages at Inithou…

The Most Expensive Bug in Software Development Is Poor Communication

When people talk about expensive software bugs, they usually mention security breaches. Or outages. Or deployment failures. Those certainly cost money…

I built a free WCAG scanner because I kept shipping accessibility regressions

The pattern that pushed me to build this: I'd fix an accessibility issue, ship, and a few deploys later it would quietly come back. A contrast tweak u…

Magento AI Brand Visibility: Does ChatGPT Recommend Your Store?

Note: set published: true when you're ready. The canonical_url above tells Google the original lives on angeo.dev, so this cross-post won't compete wi…

useState vs useReducer in React

What is useState? useState is a React Hook that allows functional components to create and manage state. Before Hooks were introduced, state could onl…

How I Built an AI Journalist Discovery Engine with Octoparse MCP

Most people connect Octoparse MCP to their AI assistant and use it to extract a product list or pull some prices into a table. That's fine. But I want…

США запретили иностранцам доступ к самым мощным моделям Anthropic

Судя по всему, произошло довольно громкое событие: правительство США фактически запретило доступ к самым мощным моделям Anthropic — Claude Fable 5 и C…

Былинные приключения Антропикопитека в стране Мифов

Жил-был за океаном Антропикопитек — зверь учёный, безопасный, этичный, совсем не доктор Зло. И вывел он в тайных палатах своих модель невиданную, и на…

What Nobody Told Me About Maintaining an Open Source Project

I am a solo learner. I started coding last year with the help of AI and sometimes without any tutorials or courses. At first, I thought this journey w…

Your agent finished at 3 a.m. Where did the report go?

Overnight agents do good work, then dump it in a log file or a noisy Slack channel. Here's a pattern for delivering their output to a private, end-to-…

Here’s How AI Agents Can Protect EV Chargers

An AI agent system proposed by researchers in Spain promises to prevent energy theft and damage to EV chargers, as well as the critical energy infrast…

I Built a Coding Mascot Generator with Google AI Studio — Meet Octo-Byte! 🐙

This post is my submission for DEV Education Track: Build Apps with Google AI Studio . What I Built I built MascotCraft Studio , an app that generates…

My AI-agent waste detector scored zero false positives. Then I ran it on a real trace.

My detector passed every synthetic test with zero false positives. Then I pointed it at one real trace and found a crack. This is the honest version o…

Sorting Encrypted Strings with a Leaked-Order Index

TL;DR: This is not a cryptographic construction. It is a pragmatic engineering compromise for applications where encrypted storage is required but app…

Why Retry Is One Of The Most Dangerous Keywords In Software

Few lines of code look more innocent than this: retry ( 3 ) It feels responsible. Professional. Resilient. After all, networks fail. Servers become un…

Not Your Weights, Not Your Workflow

I left a multi-agent refactor running overnight. By morning the model was gone, pulled out from under me by a government I don't even vote for, on the…

Building Dhrishti - Part 3: Testing on a Production Grade System

I was now done with the basic setup. However, during my time working at my startup, I have learnt to think about a project wearing multiple caps. One …

Idempotency Is More Important Than You Think

Most developers don't think about idempotency until production breaks. That's not because idempotency is an advanced concept. It's because everything …

Shepherd's Dog: A Game by the Most Dangerous AI Model

Графы знаний в юридическом домене: эксперимент с LightRAG (продолжение)

Юридический домен требует понимания многочисленных связей между сущностями, рассеянными по множеству документов. Поэтому кажется, что область знаний, …

The case for deterministic PDF filling

AI can read almost any document now. The harder question is what writes the answer back — and for anything an auditor might ever look at, that write s…

How I built a flash-sale engine that can't oversell

I created this piece of content for the purpose of entering the H0: Hack the Zero Stack hackathon. #H0Hackathon The problem (that's harder than it sou…

Supercharging Kubernetes: How eBPF is Revolutionizing SRE and Platform Engineering

The ecosystem surrounding Kubernetes has always been a rapidly moving target. Just when Site Reliability Engineers and Platform Engineers feel they ha…