2008-04-07から1日間の記事一覧
$KCODE =’u’ class String def trigram str def cacl_tri str h = {} a = str.split(//) s = a.size a.each_index{|v| h[a.slice(v, 3).join] = 1 if v+3 <= s } h end h1 = cacl_tri(self) h2 = cacl_tri(str) h3 = h1.merge h2 h1.size != 0 ? (h1.size + …