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        <description></description>
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       <dc:date>2026-04-28T06:59:41+00:00</dc:date>
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        <title>技術でWiki</title>
        <link>https://omoshiro-joho.com/d/tech-center/cgi-bin/dokuwiki/</link>
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        <dc:date>2026-01-16T00:04:18+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>powerpoint-merge-tool</title>
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        <description>PowerPoint マージツール

複数人が個別に更新したPowerPointファイルを1つのPowerPointファイルにまとめるという作業があります。少なくともスライドレベルの結合を人力で行なうことは不毛なので、自動化したいと思います。</description>
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        <dc:date>2026-01-02T09:24:40+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>image-classification - [データの準備] </title>
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        <description>画像分類の実験

DeepLearningによる画像分類タスクの実験です。
ResNet50を使って、画像分類を行ないます。

今回は下記の2種類のタスクを行ないました。
予想通り前者は難しく学習が安定しなかったので、後者のタスクを加えました。</description>
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        <dc:date>2026-01-02T09:23:58+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>data.zip - 作成</title>
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        <dc:date>2026-01-02T09:16:40+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>authorchecker.zip - 作成</title>
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        <dc:date>2026-01-02T09:03:35+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>grad-cam_komekome-checker.png - 作成</title>
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        <dc:date>2026-01-02T08:55:03+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>grad-cam_author-checker.png - 作成</title>
        <link>https://omoshiro-joho.com/d/tech-center/cgi-bin/dokuwiki/doku.php?image=grad-cam_author-checker.png&amp;ns=0&amp;rev=1767344103&amp;tab_details=history&amp;media_do=diff&amp;do=media</link>
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        <dc:date>2025-07-29T15:58:15+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>sshd-fail - 作成</title>
        <link>https://omoshiro-joho.com/d/tech-center/cgi-bin/dokuwiki/doku.php?id=sshd-fail&amp;rev=1753804695&amp;do=diff</link>
        <description>SSH 接続失敗

現象

SSHやWinSCPでレンタルサーバに接続できない現象が発生しました。原因は、パッケージ管理のアップデートをサボっていたことによる、OpenSSLのバージョンミスマッチで、SSHDが起動に失敗していたためです。</description>
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        <dc:date>2025-07-12T13:00:00+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>rsa</title>
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        <description>RSA公開鍵暗号方式

公開鍵暗号の概要

暗号化だけ出来る鍵と、復号だけ出来る鍵が、ペアで存在します。暗号化だけ出来る鍵は公開して、復号だけ出来る鍵を自分だけが持つようにします。暗号化と復号を出来る鍵が共通の場合、やり取りをしたい相手に渡す際に、第三者に盗まれると困ります。一方で暗号化だけ出来る鍵の場合は、第三者に盗まれても困りません。これが公開鍵暗号の利点です。$p$$q$$n=pq$$\varphi(n)$$e$$\varphi(n)$${e, n}$$ed \equiv 1 \mod \varphi(n)$$d$$d$$x \mod y$$x$$y$$(a^e)^d \equiv a \mod n$$\mod n$$\mod p$$n$$a$$p$$a$$p$$(a^e)^d \equiv 0 \equiv a \mod p$$(a^e)^d \equiv a \mod p$$a$$p$$p$$a$$p$$a$$p$$a$$p$$ed \equiv 1 \mod \varphi(n)$$k$$ed - 1 = k\varphi(n)$$ed$$\varphi(n)$$1$$ed…</description>
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        <dc:date>2025-06-21T06:53:18+00:00</dc:date>
        <dc:creator>bokupi (bokupi@undisclosed.example.com)</dc:creator>
        <title>loto6_model_weights.zip - 作成</title>
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