hitode909 https://blog.hatena.ne.jp/hitode909/ hitode909の日記 https://blog.sushi.money/ どこから呼ばれたかによって変わるので，キャッシュのキーとかに使えないでしょうか． require 'digest/sha1' def caller_sha1 Digest::SHA1.hexdigest caller.join('') end puts caller_sha1 puts caller_sha1 puts caller_sha1 (1..3).each { puts caller_sha1 } d0e46ba4600056c2c76748dd74e64a25fd1a9b01 1dd7541926829656b736334402f7e6bbb4875542 483a3c80b0c6… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.sushi.money%2Fentry%2F20110530%2F1306716070" title=" callerのSHA1 - hitode909の日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2011-05-30 09:41:10 rich https://blog.sushi.money/entry/20110530/1306716070 1.0 100%