Live Sports Odds APIs: WebSocket vs REST, Latency and In-Play Feeds
This post first appeared on SportsAPIs.dev . What is a Live Sports Odds API? A live sports odds API (also called in-play or in-game betting API) pro…
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Закрыл вкладку — ушёл, обновил страницу — остался: присутствие в комнате на WebSocket
Когда человек закрыл вкладку, обновил страницу или потерял сеть, сервер получает один и тот же SessionDisconnectEvent , а реагировать должен по-разн…
Восемь аниме-плееров рунета изнутри: шифр Цезаря, пустой параметр и домен, который увели
Я взял за основу популярную опенсорсную библиотеку парсеров аниме-плееров, запустил её — и получил от Kodik 500 Internal Server Error . Не «токен пр…
I built a Web SSH dashboard because the ones I tried were ugly
I built a Web SSH dashboard because the ones I tried were ugly I keep a terminal in a browser tab open most of the day. The tools I tried all had th…
We Killed 400 Clients' 5-Second Polling Loop and Cut Server Load by 90%
Our status dashboard feature started life as the simplest thing that could work: every connected client polled a status endpoint every five seconds.…
REST, WebSocket, and Recovery: A Production Architecture for Live Sports Data
A live sports interface does not fail only when the connection goes down. It can remain online while showing an impossible state: a goal before the…
Building a Real Time Sports Scoring Engine with WebSockets and DynamoDB Streams
The Problem Sports scoring sounds simple. One team scores a point, the number goes up, everyone sees it. But when you build it as a web application…
От стримов к вебсокетам: как я боролся с буферизацией и наконец победил
Привет. Меня зовут Николай Пискунов, я руководитель направления Big Data и эксперт курса Cloud DevSecOps по безопасной разработке от Академии вАЙТИ&…
Как правильно писать WebSocket API автотесты на Python
На примере FastAPI-чата показываю, как выстроить автотесты для API с двумя транспортами: REST используется для подготовки состояния, WebSocket — для…
Как reload ingress-nginx уронил прод. История про pids.max, threads-max и виртуалку, которая подросла
Схема входящего траффика в кластер Kubernetes простая: web → Envoy Gateway → Ingress Nginx → backend . За Ingress Nginx, помимо обычного HTTP, живут…
From the Strait of Hormuz to Singapore: Building a Real-Time Ship Tracking Analyser with Flask and AISStream
A practical story about building a live vessel-tracking dashboard, hitting real-world data limitations, and turning a failed first location into a b…
The Hard Part of Building a Realtime Binary Options Platform Was Not the Chart
From 2018 to 2024 I designed and implemented a production-deployed realtime binary options trading platform as the sole architect and full-stack eng…
Building an outbound-only WebSocket bridge for local AI agents
I work with AI agents every day. Claude Code, Copilot, Gemini CLI — running locally, with access to my filesystem, my repos, my tools. The results a…
Your WebSocket says "connected" but stopped sending data. Here's the bug TCP keepalive can't catch.
Two weeks ago, my crypto signal API silently failed for 22 hours. No errors. No exceptions. No crash. The service kept running, logs continued to fl…
Scaling WebSocket
WebSocket provides low-latency, bidirectional communication between clients and servers. It is a widely used solution for building real-time systems…