https://sudonull.com/tap-to-share-for-android-nfc-sharing-like-airdrop
Learn about Tap to share in Android 17 and One UI 9: NFC for connection, Quick Share for transfer. System-level integration for all brands. Detailed code and release analysis.
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https://sudonull.com/go-tun-udp-relay-yaml-config-and-code
Implement a network relay on Go with TUN/TAP and UDP tunnels. YAML config, protocol with MD5+timestamp, iperf3 benchmarks 925 Mbit/s. Code and examples for middle/senior dev.
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