Open Source

I Stopped Hand-Rolling WhatsApp Integrations. Here's What I Use Instead.

Every few months a client asks me the same question: "Can we just send this over WhatsApp?" Every few months I make the same mistake: "Sure, the Cloud…

Claude дал неправильную архитектуру. Настоящая ошибка была не в Claude

Один из моих крупных бизнес-проектов-бизнесов - разработка электроники и софта для БПЛА . Дошел до момента, когда на железе после MVP надо стало разве…

CortexOps vs LangSmith: Which AI Agent Observability Tool Is Right for You?

If you are building LLM agents with LangGraph or LangChain and need production observability, you have probably looked at LangSmith. You may also have…

5 heuristic bugs that made my design-token tool call a bright cream page "dark and moody"

i maintain a small cli called brandmd . it points a headless browser at any url, reads the computed css, and writes a DESIGN.md that AI coding agents …

I got burned by an EOL Node.js version in prod. So I built a tracker.

Last year, a security audit uncovered a vulnerability in our production environment. The finding: we were using Node.js 16, a version that had been ne…

Stop pasting JWTs into random websites — I built a zero-dep CLI to decode them in your terminal

You're debugging an auth issue. There's a JWT in a log line, or in an Authorization header you copied out of the network tab. You need to know two thi…

Spec-driven development в микросервисах, часть 3: archspec investigate — исследование фичи до кода

Третья, заключительная статья из цикла. Часть 1 — где LLM теряет межсервисный контекст и почему локальных спек недостаточно. Часть 2 — archspec как ко…

SQLAlchemy Essentials: A Beginner’s Roadmap

Key Takeaways SQLAlchemy is both an ORM and a SQL toolkit — pick one, use both, whatever works for your situation. Learn Engine, Session, and Declarat…

I built a WordPress AI chatbot where the free tier isn't a trial. Here's the design story.

This is a design story about a plugin I built, not a review of it. I want to be upfront about that, because the most useful parts here are the decisio…

FinOps X 2026 recap: the great token panic

If you were following the FinOps X 2026 conference that just wrapped up in San Diego (June 8–11, 2026), you probably noticed a massive shift. The disc…

Building an AI SRE That Learns From Every Outage: Inside Nexus Sentinel

Every engineering team has experienced it. A production incident happens at 2 AM. An engineer joins the bridge call, opens dashboards, checks logs, se…

The Best React Data Grid Is the One You Will Not Hate After Feature Request Number Seven

I have never seen a product manager open a ticket called: Turn this table into a small operating system. It happens one perfectly reasonable request a…

You can't benchmark an AI notetaker against a real meeting — you don't know the right answer. So I generated the meeting.

I wanted to know which AI notetaker transcribes most accurately — Granola, Fathom, or Otter. So I did the obvious thing: I recorded a real meeting, ra…

From Signals to Ownership: Why I Built a Dataflow Kernel

When I first started building signal-kernel , I thought I was simply writing a signal library—a fine-grained reactive system not tied to any specific …

Тренды развития облачного рынка России 2026: что показал опрос более 400 компаний

Пока мы готовили новое исследование Apple Hills Digital , интереснее всего показались не сами по себе цифры, а внутренние противоречия рынка. Они пока…

Day 31 of learning MERN Stack

Hello Dev Community! 👋 It is officially Day 31 — stepping straight into my second month of documented full-stack engineering! Fresh off the 30-day mil…

Perl 🐪 Weekly #777 - Check your CPAN profile!

Originally published at Perl Weekly 777 Hi there! In the recent weeks I looked at a lot of MetaCPAN profiles (aka. author pages) such as that of MANWA…

My weekly review clocked 14 minutes median — here's the one structural change that made it stick

Obsidian prompts beat open-ended reflection every time: median review time across 6 weeks was 14 minutes, fastest was 9, slowest was 22 (and that week…

Fable 5 or Feeble 5? Claude's New Safety Filters are Funny

Do you know Pulled Pork recipes and snakes games are being blocked by Claude Fable’s safety features? We will discuss this later in the article. Claud…

I shipped 10 builds last week without touching a laptop.

That's the reality of what I've been testing - whether you can actually run a micro SaaS from a phone. Not as a gimmick, but as a real workflow. The k…

A Merchant Center disapproval wiped 40% of our SKUs the day a 6-week promo launched

Three days into November, a disapproval cascade pulled 40% of active SKUs from Shopping and Performance Max simultaneously — on day one of a promotion…

Docker Security Best Practices for Beginners

Docker is a game-changer for developers—making it easier to package, ship, and run applications. But with great power comes great responsibility. Whet…

There Is No Perfect Solution in Software Development: Every Decision is a Tradeoff

Most bad decisions in software engineering aren't made because the engineer chose wrong between two clear options. They're made because the engineer d…

Day 29 of learning MERN Stack

Hello Dev Community! 👋 It is officially Day 29 of my journey to master the MERN stack! Tomorrow marks a full month of consistency, and today I wrapped…

В ГИС «Панорама» для Linux усовершенствованы инструменты контроля, редактирования и автоматизированной обработки векторных карт

В КБ «Панорама» разработана ГИС «Панорама» версии 15.4.3 для ОС Astra Linux Special Edition, «Альт Линукс», «Ред ОС» и Ubuntu. В новой...

Curl will not accept vulnerability reports during July 2026

SK hynix ускоряет график поставки образцов HBM4E, не желая отставать от Samsung

В конце мая Samsung Electronics объявила о начале поставок образцов памяти типа HBM4E, опередив тем самым основного конкурента в лице SK hynix, с кото…

Как мы забыли согласовать порты и просрочили запуск важного проекта

При внедрении инфраструктурного решения часто кажется, что всё сводится к одному простому действию: открыть доступ к веб-интерфейсу. На первый-третий …

Dev Log: deleting code and breaking the build on purpose

Day one of building Munchausen v1.0 started with deleting the existing implementation and deliberately breaking its replacement. Munchausen is a mock-…

Munchausen: The forgotten side project from 9 years ago

9 years ago ... I started this project 9 years ago, back in 2017. Mainly because I wanted to learn a few things. Plenty of tools already existed at th…