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名言に関するamachangのブックマーク (4)
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amachang 2007/08/02
名言。「感性や天分で何とかできる領域は微々たる物だよね。」要は努力。- kotoriko
- 名言
リンク -
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最小完全ハッシュ関数の作り方 を JavaScript で - てっく煮ブログ
JavaScriptActionScript/Flex ネタが続いているので、たまには JavaScript ネタを。はてブ経由で知った 最小完全ハッシュ関数の作り方 が面白そうだったのだけど、「最小完全ハッシュ関数」が何か分からないまま読み進めたら、やっぱり話が分からなくなってしまった。分からないまま JavaScript に移植。 /* 順列型の最小完全ハッシュ関数 */ function ChangeNumber(arr) { var work = arr.concat(); var hash = 0; // 階乗値テーブル作成 var FACTOR = [1]; for(var i=0; i { FACTOR.unshift(FACTOR[0] * (i+1)); } for(var i=0; i { hash += work[i] * FACTOR[i]; for (j=i+1;
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