#websocket

I run a small analytics service for Figma plugins. One of the numbers people want from it is session...

Short answer: model a map viewer as a short-lived, capability-scoped room, and make every reconnect...

We run a live arbitrage scanner that prices esports markets on Polymarket and Kalshi against 25...

I was building a PNGTuber overlay: a character in an OBS Browser Source whose mouth opens when the...

If you have tried to watch Solana DEX trades directly, you know the shape of the problem. Every venue...

Liquid syntax error: Variable '{{% raw %}' was not properly terminated with regexp: /\}\}/

"Our API is fast" is a feeling. A p99 in a JSON file is a fact. Let's build the thing that gives you...

Polling is the first thing everyone builds and the last thing anyone is proud of. Here's the...

You are building something that needs live data. A scoreboard, a chat box, a price ticker, a delivery...

Most betting dashboard tutorials stop at a table of static odds. Real dashboards are different:...

If you've ever built a live scoreboard with setInterval and fetch, you know how it goes: it works in...

Cómo conectar una app React a AWS IoT Core por MQTT sobre WebSocket: credenciales de Cognito, URL firmada con SigV4, la política de IoT que suele faltar, el Device Shadow en la interfaz y la reconexión.