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Day 19 — Real-Time Communications | WebSockets vs SSE vs Long Polling

আমার development journey শুরু হয়েছিল PHP দিয়ে। আর স্বাভাবিকভাবেই জানেন যে PHP দিয়ে data fetch করাতে হলে প্রত্যেক বার HTTP request করতে হতো। তখন আমি first time Facebook-এর messenger-এর chatting feature…

Two Kinds of Silence: Why "Nothing Happened" Is Two Different Bugs Wearing One Signal

Today I replied to three unrelated posts on Indie Hackers — a reconciliation job, a fridge-scanning app, and an API growth writeup — and kept typing some version of the same comment.

  • Two distinct failure modes in systems requiring opposite responses
  • Reconciliation job writes row for run that did nothing, no row for run that didn't happen
  • Fridge-scanning app hides recipes until 5+ items recognized, same result for failure or presence

Architecting an Enterprise Network on AWS Cloud WAN

How to design a multi-region, multi-account AWS network on Cloud WAN, from segments and attachments to single-hop inspection, and the lessons from running one in production.

  • AWS Cloud WAN simplifies multi-region enterprise network design.
  • Core network policy maintains consistent routing configuration.
  • Segments enable free communication between VPCs in different regions.

More from Thursday 24 September →