JavaScriptでSHA-256を使う必要があったので、使えそうなライブラリをグーグル先生に問うてみた。 何個か見つけたけど、ライセンスがはっきりしなかったり、特定のライブラリ依存だったりで困ったのだが、なんとかよさげなのを見つけた。 jsSHA — http://jssha.sourceforge.net/ こいつね。 使い方は簡単で、SourceForceからダウンロードしたzipなりtar.gzなりを展開して、srcディレクトリを覗くとsha***.jsというファイルがあるので、使いたいハッシュアルゴリズム選べばOK。今回の場合はsha256.jsね。 ハッシュ値求めるソースはこんな感じで。 var shaObj = new jsSHA(src_text, "ASCII"); var sha256digest = shaObj.getHash("SHA-256", "HEX");
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2015年10月20日のブックマーク (2件)
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WEB系各社で使われている監視ツールまとめ - mikedaの日記
次世代 Web カンファレンスで監視について話すことになったので、ネタとしてWEB系各社で使っている監視ツールを調査中。 うちはこれ使ってるよ！！！ってのがあったら@mikedaにメンションください！ Cookpad Zabbix 昔はNagios+muninだけど台数増えて性能的に破綻した ビューはそのままじゃ辛いのでmunin風に表示するのを自作 StatusCake DataDog。サービス系、サーバに紐付かない系の監視に。DashBoard便利 waker。通知用。PagerDuty高い、と言ってryot_a_raiが秒で作ったらしい Kibana imon。独自のリアルタイムなサービス稼働状況表示ツール NewRelic 試し中なもの Real-User Monitoring : JSでbeacon飛ばしてfluentd -> BigQuery。Google SpreadShee
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