Rails の Custom Validator を RSpec で柔軟かつ簡単にテストする方法 [Ruby] on qiita.com/noraworld/items/a96b

Hmm, it looks like I need to change a power supply of Raspberry Pi 🤔

ルータ設定を極力いじらずに IPv4 + IPv6 の DNS & DHCP サーバを構築する方法 [Network] on qiita.com/noraworld/items/a1ed

I wonder that Dnsmasq can't create an index to a DNS filtering list like a database.

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