{"id":3013,"date":"2012-10-15T01:39:24","date_gmt":"2012-10-14T16:39:24","guid":{"rendered":"http:\/\/blog.tksk.net\/?p=3013"},"modified":"2012-10-15T01:39:24","modified_gmt":"2012-10-14T16:39:24","slug":"%e6%95%b0%e3%82%92%e6%95%b0%e3%81%88%e3%82%8b","status":"publish","type":"post","link":"https:\/\/blog.tksk.net\/?p=3013","title":{"rendered":"\u6570\u3092\u6570\u3048\u308b"},"content":{"rendered":"<p>\u3088\u304f\u3042\u308a\u304c\u3061\u306a\u51e6\u7406\u3002\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306e\u6570\u3092\u305d\u308c\u305e\u308c\u3044\u304f\u3064\u3042\u308b\u304b\u6570\u3048\u308b\u3002<\/p>\n<p>scala&gt; val list = List(1,2,2,1,4,2,3,1)<br \/>\nlist: List[Int] = List(1, 2, 2, 1, 4, 2, 3, 1)<\/p>\n<p>scala&gt; val counts = list.groupBy(identity).mapValues(_.size)<br \/>\nres4: scala.collection.immutable.Map[Int,Int] = Map(3 -&gt; 1, 1 -&gt; 3, 4 -&gt; 1, 2 -&gt; 3)<\/p>\n<p>scala&gt; counts(1)<br \/>\nres5: Int = 3<\/p>\n<p>\u3082\u3046\u3001\u30eb\u30fc\u30d7\u56de\u3057\u3066\u30ad\u30fc\u304c\u306a\u304b\u3063\u305f\u3089 \uff11 \u306b\u3057\u3066\u3001\u30ad\u30fc\u3042\u3063\u305f\u3089 +1 \u3059\u308b\u3001\u306a\u3093\u3066\u7cde\u307f\u305f\u3044\u306a\u51e6\u7406\u66f8\u304b\u306a\u3044\u3067\u3044\u3044\u3093\u3060\u306d!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3088\u304f\u3042\u308a\u304c\u3061\u306a\u51e6\u7406\u3002\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306e\u6570\u3092\u305d\u308c\u305e\u308c\u3044\u304f\u3064\u3042\u308b\u304b\u6570\u3048\u308b\u3002 scala&gt; val list = List(1,2,2,1,4,2,3,1) list: List[Int] = List(1, 2, 2, 1 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,23],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/posts\/3013"}],"collection":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3013"}],"version-history":[{"count":2,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/posts\/3013\/revisions"}],"predecessor-version":[{"id":3015,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/posts\/3013\/revisions\/3015"}],"wp:attachment":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}