ATAceRank Teaminacerank.hashnode.dev·3d ago · 4 min readAdaptive live-sports polling under a fixed API quotaHow AceRank keeps live tennis scores and derived standings fresh while directing a finite request budget toward the matches most likely to change. By AceRank Editorial Team I operate AceRank, a free u00
VPVed Pandeyinvedpandeydev.hashnode.dev·Aug 21 · 12 min readBeyond Refresh: Realtime SystemHow does WhatsApp deliver a message instantly? You send a message, and it your friend's receives that in a fraction of second. No refresh, no waiting. Somehow, the app "knows" the moment new data show10
SSUPRABHATinblog.suprabhat.site·Aug 12 · 10 min readRealtime Systems: Polling, WebSockets, SSE, and Pub/SubImagine Suprabhat sends a message to a friend. Within a fraction of a second, the message appears on the other person’s phone. No refresh button. No waiting. No manually checking the server again and 31T
KSKanishka Shashiinhtml-dev09.hashnode.dev·Jul 7 · 17 min readRealtime Systems: Polling, WebSockets, SSE, and Pub/SubThe question that started it all How does WhatsApp deliver a message instantly? You send a message, and it appears on your friend's phone within a fraction of a second — no refresh button, no waiting.10
OPOm Pednekarinompednekar.hashnode.dev·Jun 26 · 10 min readBuilding a Real-Time Speech-to-Text Pipeline: WebSockets, VAD, and BackpressureMost speech-to-text demos you see online work the same way: record audio, send the whole file, wait for a response. That's fine for a voice memo transcriber. It falls apart the moment you want live ca00
KNKeerthika Ninkees-learnings.hashnode.dev·Jun 22 · 2 min readShort polling, Long polling, and Server-side eventsIn this blog, I am going to share my understanding of short polling, long polling and server-side events which I learnt in my system design classes. Polling Polling refers to the process of communicat00
YYYogesh Yadavincodescoop.hashnode.dev·May 3 · 11 min readReal-Time on the Frontend - SSE, WebSockets & PollingIn this article we'll cover when polling is actually the right answer, why SSE is the most underrated real-time technology on the web, when WebSockets are genuinely worth the complexity, how to handle20
SOSteven Olseninsrjsdev.hashnode.dev·Apr 14 · 8 min readHow I Used AI to Build YouTube Quizr - Part ThreeBy the time I finished the core quiz pipeline (part 2), I had a new problem. Actually, I had a very old problem wearing a new hat: long-running asynchronous work. Once you stop doing one prompt and st00
Aampheoinampheoelectronic.hashnode.dev·Sep 23, 2025 · 3 min readDoes polling generate heat in microcontrollers?Polling does generate heat in microcontrollers, but usually only significantly under specific conditions. Here's a detailed explanation: Why Polling Can Generate Heat 1. Constant High CPU Utilization c // Example: Intensive Polling Loop while(1) { ...00
SPSom palkarinopstechie.hashnode.dev·May 3, 2025 · 3 min readReal-Time Code Execution Architecture: Redis & WebSockets vs PollingIn modern coding challenge platforms, users expect instant feedback on their submissions. The traditional polling model—where the browser repeatedly asks “are you done yet?”—simply can’t keep up with this demand. Polling means extra HTTP requests and...00
