{"width":"100%","author_name":"srkzhr","description":"\u300c\u914d\u5217\u304b\u3089\u4ed6\u306e\u8981\u7d20\u3068\u91cd\u8907\u3057\u3066\u308b\u8981\u7d20\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059\u3063\u3066\u3069\u3046\u3059\u308c\u3070\u3044\u3044\uff1f\u300d\u3068\u3044\u3046\u8cea\u554f\u3092\u53d7\u3051\u3066\u3001\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002 #!/usr/bin/perl use strict; use warnings; # \u5143\u306e\u914d\u5217 my @array = ( \"a\",\"c\",\"b\",\"b\",\"e\",\"a\",\"c\",\"c\",\"c\",\"d\", ); my %count; my @result; for my $key (@array) { $count{$key}++; push @result, $key if $count{$key} == 2; } print for @result; \u5b9f\u884c\u7d50\u679c bacgrep\u3092\u4f7f\u3063\u2026","title":"\u914d\u5217\u304b\u3089\u91cd\u8907\u304c\u3042\u3063\u305f\u8981\u7d20\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsrkzhr.hatenadiary.org%2Fentry%2F20071226%2F1198663178\" title=\"\u914d\u5217\u304b\u3089\u91cd\u8907\u304c\u3042\u3063\u305f\u8981\u7d20\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059 - \u534a\u5f845\u30e1\u30fc\u30c8\u30eb\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-12-26 18:59:38","url":"https://srkzhr.hatenadiary.org/entry/20071226/1198663178","blog_title":"\u534a\u5f845\u30e1\u30fc\u30c8\u30eb","provider_name":"Hatena Blog","blog_url":"https://srkzhr.hatenadiary.org/","categories":["Perl"],"provider_url":"https://hatena.blog","image_url":null,"height":"190","type":"rich","author_url":"https://blog.hatena.ne.jp/srkzhr/","version":"1.0"}