Микросервисы(async single-threaded) в эмбеддед. OpenBMC и рефакторинг «кошмара на С++» с помощью ИИ
Я всегда знал, что разработка для встраиваемых систем (embedded) является не тривиальным делом, но даже не представлял, насколько С++ код в реальных…
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What async/await really compiles to in C# (and when ValueTask is worth it)
Most of us use async / await every day without knowing what it turns into. That's fine, until you need to answer a question like "should this method…
5 ways Cancel doesn't actually cancel in C#
A user clicks Export , changes their mind, and clicks Cancel . The spinner goes away. On the server, the export keeps running to the end and saves a…
Sequential async execution in .NET: SemaphoreSlim, Channels, and TaskFlow
Familiar pattern? using System ; using System.Threading ; using System.Threading.Tasks ; public sealed class InstrumentController : IDisposable { pr…
Efficient FastAPI Learning: Avoiding Pitfalls in Async, Database, and Auth Integration
Introduction to FastAPI and Common Pitfalls FastAPI has emerged as a powerhouse for building high-performance web applications, thanks to its async…
Python PostgreSQL with asyncpg: Async Database Operations
Python PostgreSQL with asyncpg: Async Database Operations asyncpg is the fastest PostgreSQL driver for Python — pure asyncio, no thread overhead, an…
Python PostgreSQL with asyncpg: Async Database Operations
Python PostgreSQL with asyncpg: Async Database Operations asyncpg is the fastest PostgreSQL driver for Python — pure asyncio, no thread overhead, an…
Python Async Web Scraping: Scrape 1000 Pages in Seconds
Python Async Web Scraping: Scrape 1000 Pages in Seconds Synchronous scraping is slow - each request blocks until the server responds. With asyncio a…
Five tabs open, one refresh token — the race nobody noticed
A user reports that they keep getting logged out. Not immediately — after a while, randomly, always mid-task. You can't reproduce it. You check the…
JavaScript , from basics to async: everything I learned and how it finally clicked
I went through a deep dive on JavaScript , from variables and data types all the way to closures, the event loop, and async/await. Here's everything…
Async Traits in Rust Still Aren't Object-Safe. Here's What Actually Works
If you've written a trait with an async method, implemented it for a couple of types, and then tried to throw them into a Vec>, you've probably s…
Mastering FastAPI Background Tasks: Real‑World Patterns, Testing, and When to Reach for Celery
Introduction If you’ve built a FastAPI endpoint that needs to send a confirmation email, generate a PDF, or kick off a long‑running data import, you…
FastAPI WebSockets: Production-Ready Setup and Scaling
FastAPI websockets let you push data to a client the moment it changes, without the overhead of polling. In a few lines you can expose a bidirection…
sizeof(Mutex<()>) упал с 40 байт до 5: что внутри std::sync::Mutex после Rust 1.62
sizeof(Mutex<()>) в Rust 1.61 на Linux был 40 байт. В Rust 1.62 он стал 5 (точнее, 8 с учётом выравнивания, но базовый overhead 5). За уменьше…
Sync PHP Developer হিসেবে Async PHP বুঝতে গিয়ে যা শিখলাম (Fibers, epoll, আর PHP 8.6)
আমি গত কয়েক বছর ধরে Laravel-এ কাজ করি। পুরোপুরি sync PHP। Request আসে, process হয়, response যায়। Async জিনিসটা কোনোদিন লাগেনি, তাই শিখিওনি। তারপর…
Асинхронность NIO и Kotlin — а есть ли связь?
Асинхронность NIO и асинхронность Kotlin: попробуем разобраться какие идеи заложены и как совместно использовать то и другое. А есть ли связь?
Асинхронный django: новые начинания
Здравствуйте, дорогие читатели! Сегодня - ещё одна статья из рубрики джангологии. Раньше я уже писал о своих идеях ( 1 и 2 ) о том, как сделать djan…
Async-вызовы и Batch API в LLM: как сэкономить до 50% и ускорить обработку
Когда у вас 10 запросов в LLM — синхронный for нормально. Когда 1000 — он становится бутылочным горлышком, и пайплайн крутится часами. Когда 100 000…
PHP Fibers in Production: 4 Real Cases Where They Beat curl_multi and Queues
Book: Decoupled PHP — Clean and Hexagonal Architecture for Applications That Outlive the Framework Also by me: Thinking in Go (2-book series) — Comp…
I Just Wanted to Reuse Async Functions in Rust. I Ended Up Building a Tiny Task Manager
I Just Wanted to Reuse Async Functions in Rust. I Ended Up Building a Tiny Task Manager I am currently studying Rust, and one of the things that kep…
I keep writing the same Pydantic-asyncpg wrapper. So I published it.
I've built this thin Pydantic-over-asyncpg layer too many times now. Every project ends up with the same shape: a Row class for typed tables, raw SQ…
От «Hello, World» до коммита в rustc: Roadmap Rust-разработчика на 2026 год
Rust давно перестал быть языком энтузиастов. На нём собраны куски ядра Linux, движки баз данных и аналитики (TiKV, Materialize, Polars), бэкенды Clo…
How to Use Python 3.13's New Async Features for 1M I/O Operations: 40% Faster Execution
Python 3.13’s experimental async I/O improvements reduced execution time for 1 million concurrent HTTP requests by 40% in our controlled benchmarks,…