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What is Docker and How It Works
DevOps
#DevOps#Backend

What is Docker and How It Works

Learn what Docker is, how Docker works internally, and how Docker containers differ from virtual machines in backend development.

Feb 27, 2026
how hls video streaming works
System Design
#System Design

how hls video streaming works

Learn how HLS video streaming works including m3u8 playlist, TS segments, adaptive bitrate streaming and HLS architecture explained step by step

Feb 26, 2026
Why DNS Uses UDP Instead of TCP
Networking
#Networking#Backend

Why DNS Uses UDP Instead of TCP

Learn why DNS uses UDP instead of TCP for most queries and when TCP is used for DNS zone transfers and large responses

Feb 25, 2026

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