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java-ja.js #2 ã§ã€ŽAAãªã‚²ãƒ¼ãƒ ã‚’JSã§ã€ã‚’発表ã—ã¾ã—㟠- moriyoshiã®æ—¥è¨˜
Aaãªã‚²ãƒ¼ãƒ ã‚’jsã§View more presentations from Moriyoshi Koizumi. 動画をAAã«å¤‰æ›ã™ã‚‹ãƒ‡ãƒ¢ã¯ä»¥ä¸‹ã§è¦³ã‚Œã¾ã™ã€‚ (å‹•ç”»ãŒTheoraãªã®ã§Safariã¯éžå¯¾å¿œ) http://dl.dropbox.com/u/673207/aalibtest/index.html 紹介ã—ãŸã‚µãƒ³ãƒ—ルコードãã®1: <html> <body> <pre id="screen" style="width:80ex; height:25em; line-height:100%; color:white; background-color:black"></pre> <script type="text/javascript"> function repeat(c, n) { return new Array(n+1).join(c); } var scr = doc
Liviz.js (JSViz)
digraph testgraph{ {node[shape=none, fontsize=23] "Welcome to Liviz.js!" } {node[shape=none] "Interactive GraphViz on your browser" } {edge[color=transparent] "Welcome to Liviz.js!" -> "Interactive GraphViz on your browser" } A -> B -> C -> D -> E; B -> D; {node[shape=box]; 1 -> 2 -> 3; } E -> 1;2 -> C; {rank=same; 1; A;} {rank=same; 3; D;} } Test
Node.js ã§é‡ã„処ç†ã‚’ã—ã¦ã—ã¾ã£ãŸã¨ãã«ã‚¿ã‚¤ãƒ アウトã™ã‚‹ã®æ³• - tokuhirom's blog
Node.js ã§é‡ã„処ç†ã‚’ã—ã¦ã—ã¾ã£ãŸã¨ãã«ã‚¿ã‚¤ãƒ アウトã™ã‚‹ã®æ³• (ã“ã®è¨˜äº‹ã¯ Node.js アドベントカレンダーä¸å‚åŠ è¨˜äº‹ã§ã™) ãƒãƒ£ãƒƒãƒˆã‚µãƒ¼ãƒãƒ¼çš„ãªä½¿ã„æ–¹ã¨ã‹æ„外ã¨ã¿ã‚“ãªèˆˆå‘³ãªãã¦ã€æ™®é€šã®ã‚¦ã‚§ãƒ–アプリケーションãªã©ã‚’ã‹ãã€ã¨ã„ã†ç”¨é€”ã«ã¡ã‚‡ã£ã¨ node.js ãŒã¤ã‹ãˆãŸã‚‰ã„ã„ã®ã«ãªã€ã¨ãŠã‚‚ã£ã¦ã„る人ãŒãŠãŠã„よã†ã«ã‹ã‚“ã˜ã¦ã„ã¾ã™ã€‚Node.js ãŒäººæ°—ãªã®ã¯ã€v8 ã‚’ã†ã¾ãパッケージングã—ã¦ã„ã‚‹ã®ãŒ node.js ãらã„ã§ã€ãã—㦠v8 ã‚’ã†ã¾ãパッケージングã™ã‚‹ã®ãŒçµæ§‹ã‚ã‚“ã©ãã•ã„ã‹ã‚‰ã€ã¨ã„ã†ã¨ã“ã‚ãŒå¤§ãã„ã®ã§ã™ã€‚ã¶ã£ã¡ã‚ƒã‘ node.js ãŒã€œ ã¨ã•ã‚ã„ã§ã‚‹äººã®ã†ã¡8割㯠I/O multiplexing ã ã‹ã‚‰ã¨ã‹ãã†ã„ã†ç†ç”±ã§æ”¯æŒã—ã¦ã„ã‚‹ã‚ã‘ã§ã¯ãªã‹ã£ãŸã‚Šã™ã‚‹ã®ã§ã™(å見)。 ã•ã¦ã€æ™®é€šã® web application ã®ã‚ˆã†ãªã‚‚ã®ã‚’書ã“ã†ã¨ã—ãŸã¨ãã« Node.js ã£
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本家 Text::Hatena 㧠HTML::Parser を用ã„ã¦ã„る部分ã¯å®Ÿè£…ã§ãã¦ã„ã¾ã›ã‚“。 URL ã®è‡ªå‹•ãƒªãƒ³ã‚¯ã‚„ HTML ã®ã‚¨ã‚¹ã‚±ãƒ¼ãƒ—ãªã©ã¯å®Ÿè£…ã§ãã¦ã„ã¾ã›ã‚“。 Cookie を利用ã™ã‚‹ã‚ˆã†ãªã‚µã‚¤ãƒˆã« text-hatena.js を利用ã™ã‚‹ã®ã¯ãŠå‹§ã‚ã§ãã¾ã›ã‚“。 ライセンス㯠Text::Hatena ã¨åŒç‰ã¨ã—ã¾ã™ã€‚ 技術的ãªã‚¢ãƒ¬ã‚³ãƒ¬ Perl 㨠JavaScript ã£ã¦æ„外ã¨ä¼¼ã¦ã‚‹ã‚ˆãã€ã¨ã„ã†ã¨ã“ã‚ã‹ã‚‰å‡ºç™ºã—ã¾ã—ãŸã€‚特ã«ã€Text::Hatena ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã¯ãã®ã¾ã¾ JavaScript ã«ç½®ãæ›ãˆã‚‰ã‚Œã‚‹ãらã„ã«æ´—ç·´ã•ã‚ŒãŸã‚³ãƒ¼ãƒ‰ã§ã™ã€‚例ãˆã°ã€Hatena.pm ã®ä¸€éƒ¨ã«æ¬¡ã®ã‚ˆã†ãªã‚½ãƒ¼ã‚¹ãŒã‚ã‚‹ã®ã§ã™ãŒ sub parse { my $self = shift; my $text = shift or return; $self->{context} = Text
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iv / lv5, ECMA262 5.1th full support - 枕を欹ã¦ã¦è´ã
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Asynchronous behaviour driven development for Node. There are two reasons why we might want asynchronous testing. The first, and obvious reason is that node.js is asynchronous, and therefore our tests should be. The second reason is to make tests which target I/O run much faster, by running them concurrently. Write some vows, execute them: $ vows test/* --spec Get the report, make sure you kept yo
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qrcode.64p.org をリニュアールã—㟠http://qrcode.64p.org/ qrcode.64p.org ã¯ã€é–‹ç™ºã‚µãƒ¼ãƒãƒ¼ã® URL をガラケーã§ã¿ãŸã„ã¨ããªã©ã«ã¤ã‹ã£ã¦ã„ã‚‹ã®ã ãŒã€è‡ªå®…サーãƒãƒ¼ãŒã¶ã£ã“ã‚ã‚ŒãŸã“ã¨ã«ã‚ˆã‚Šå¾©æ—§ãŒé¢å€’ã«ãªã£ãŸã®ã§ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚µã‚¤ãƒ‰ã§ã™ã¹ã¦ã†ã”ãよã†ã«ã¤ãã‚ŠãªãŠã—ã¦ã¿ãŸã€‚ ソースã¯ã“ã¡ã‚‰ https://github.com/tokuhirom/qrcode 5å¹´ãらã„å‰ã« JS ã§ã†ã”ã QR Code レンダラã¿ãŸã„ãªã®ãŒã¯ã‚„ã£ãŸã‘ã©ã€ã‚ã®ã¨ãã¯é€Ÿåº¦ãŒãŠããã¦å®Ÿç”¨çš„ã§ã¯ãªã‹ã£ãŸãŒã€ç¾åœ¨ã§ã¯ JS engine も高速ã«ãªã£ã¦ã„ã‚‹ã—ã€canvas è¦ç´ も一般的ã§ã€ã¾ãŸ canvas è¦ç´ ãŒã¤ã‹ãˆãªã„ブラウザã§ã‚‚ ExplorerCanvas.js ã‚„ uuCanvas.js ãªã©ãŒåˆ©ç”¨ã§ãã‚‹ã®ã§ã€ã„よã„よ実用的ã«ãªã£ã¦ããŸå°è±¡ã€‚ ãã‚Œã ã‘ã
コードを削る - latest log
Twitter ã ã¨ã¡ã‚‡ã£ã¨åŽ³ã—ã„ã®ã§ã€ã“ã£ã¡ã§ã¾ã¨ã‚。 MobileWebKit ã«å¯¾å¿œã—よã†ã¨æ€ã£ãŸã‚‰ã€ã‚³ãƒ¼ãƒ‰ã‚’ãªã‚“ã¨ã‹ã—ã¦å‰Šã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ AND 演算å 㧠4byte 削る(10byte → 6byte) if (a) { b(); } ↓ a && b(); OR 演算å 㧠5byte 削る(11byte → 6byte) if (!a) { b(); } ↓ a || b(); ドット演算å以é™ã‚’自力㧠Minify ã™ã‚‹ JavaScriptã¯å‹•çš„ãªè¨€èªžãªã®ã§ã€ãƒ‰ãƒƒãƒˆæ¼”ç®—å以é™ã¯åŸºæœ¬çš„ã« minify ã—ã¦ã‚‚圧縮ã•ã‚Œã¾ã›ã‚“。 document.createElement("div"); document.createElement("a"); document.createElement("p"); ↓ ã“ã®ã¾ã¾ã ã¨ã€minify ã—ã¦ã‚‚縮ã¾ã‚‰ãªã„ document.
javascriptãŒrubyを駆é€ã™ã‚‹ - Scene Research Station
rubyã«é™ã‚‰ãšåŒç³»çµ±ã®LLã¯javascriptã«æ»…ã¼ã•ã‚Œã‚‹ã‚“ã˜ã‚ƒãªã„ã‹ã¨å…ˆè¼©ãŒè¨€ã£ã¦ãŸã®ã§ã€æµçŸ³ã«ãりゃãªã„ã§ã—ょã†ã¨è¨€ã£ãŸã¨ã“ã‚ã€ä»¥ä¸‹ã®åè«–ã‚’ã•ã‚ŒãŸã€‚ サーãƒã‚‚åŒã˜è¨€èªžã§æ›¸ã‘るメリットã¯å¤§ãã„最近ã®jsã¯é€Ÿããªã£ãŸã€‚ä»–ã®LLよりもãšã£ã¨é€Ÿã„ 速度ã«ã¤ã„ã¦ã¯ã€å¹¾ã¤ã‹ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’組ã¿åˆã‚ã›ã¦è©•ä¾¡ã—ã¦ã„ã‚‹ Which programming language is fastest? ã«ã‚ˆã‚‹ã¨ã€ç¢ºã‹ã«js(ã¨ã„ã†ã‚ˆã‚Šv8)ãŒä»–ã®ã‚¹ã‚¯ãƒªãƒ—ト言語をã¡ãŽã£ã¦ã„ã‚‹ *0 。v8ã¯ãŸã ã®ãƒ•ã‚£ãƒœãƒŠãƒƒãƒã ã¨Cã«è¿«ã‚‹é€Ÿåº¦ã 。æã‚ã—ã„。crankshaftã§ã•ã‚‰ã«1.5å€ã»ã©é«˜é€ŸåŒ–ã™ã‚‹ã‚‰ã—ã„ã—ã€ãƒ–ラウザã®é–‹ç™ºç«¶äº‰ãŒç¶šãé™ã‚Šjsã®é€Ÿåº¦çš„ãªå„ªä½ã¯ä»–ã®LLã¨æ¯”ã¹ã¦ã¾ã™ã¾ã™å¤§ãããªã‚‹ã§ã‚ã‚ã†çŠ¶æ³ã«ã‚る。 ã•ã¦ã€é€Ÿåº¦çš„ã«ã‚‚優ä½ã ã—クライアントã¨ã®è¦ªå’Œæ€§ã‚‚抜群ã¨ãã‚Œã°ã€ã‚‚ã¯ã‚„node.jsを使ã‚ãªã„ç†ç”±ã¯ç„¡ãã€ä»–ã®L
node.jsã«é–¢ã™ã‚‹åŸºç¤Žã‚„開発・ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã®ã¾ã¨ã‚:phpspot開発日誌
node.jsã«é–¢ã™ã‚‹åŸºç¤Žã‚„ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã®ã¾ã¨ã‚。 リアルタイムãªWEBを実ç¾ã™ã‚‹ã«ã¯å¿…é ˆã®ã‚µãƒ¼ãƒã‚µã‚¤ãƒ‰JSã€node.jsã«ã¤ã„ã¦è‰²ã€…ã¨ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ node.js node.jsã«ã¤ã„㦠node.js ãªã‚“ã¨ãªã凄ãã†ã ã‘ã©ã‚ˆã分ã‹ã‚‰ãªã„ã¨ã„ã†æ–¹ã‚‚多ã„ã‹ã‚‚ã—ã‚Œãªã„ã®ã§ç°¡å˜ã«è§£èª¬ã€‚ 一番最åˆè¦‹ãŸæ™‚ã¯ä½•ã‹ã®JavaScript ライブラリã‹ã¨æ€ã£ãŸã®ã§ã™ãŒã€å…¨ãé•ã£ã¦ã€V8ã¨ã„ã†Chromeã«ã‚‚ã®ã£ã¦ã„る高速JavaScriptエンジン上ã§å‹•ãサーãƒã‚’å‹•ã‹ã›ã‚‹ä»•çµ„ã¿ã€‚ サーãƒè‡ªä½“を具体的ã«è¨€ã†ã¨æ¬¡ã®ã‚ˆã†ãªã‚³ãƒ¼ãƒ‰ã§å®Ÿç¾ã—ã¾ã™ã€‚ var http = require('http'); http.createServer(function (request, response) { response.writeHead(200, {'Content-Type': 'text/plain
Testing JavaScript with node.js - tokuhirom's blog
Testing JavaScript with node.js http://d.hatena.ne.jp/gfx/20110206/1296979666 JavaScript ã®ãƒ©ã‚¤ãƒ–ラリやアプリケーションãªã©ã‚’ JE ã§ãƒ†ã‚¹ãƒˆã—ãŸã‚Šã™ã‚‹ã®ã¯ã€ç‹ãŒæ‚ªã„ã¨ã‹ã‚“ã˜ã¾ã™ã€‚創りã‹ã‘ã®ã‚‚ã®ã‚’創りã‹ã‘ã®ã‚‚ã®ã§ãƒ†ã‚¹ãƒˆã™ã‚‹ã®ã¯ã€æ™‚é–“ã®ç„¡é§„ã«ãªã‚Šã‚„ã™ã„ã‹ã‚‰ã§ã™ã€‚ 最近ã§ã¯ v8(ã®ä¸€ãƒ©ãƒƒãƒ‘ーã¨ã—ã¦ã® node.js)ã‚„SpiderMonkey ãªã©ãŒç”¨æ„ã«æ‰‹ã«ã¯ã„ã‚‹ã®ã§ã€ã“れを利用ã™ã‚Œã°ã‚ˆã‚ã—ã„。CommonJS ãªã©ã¨ã„ã†ã‚‚ã®ã‚‚ã§ã¦ãã¦ãŠã‚Šã€æœ€è¿‘ã§ã¯ã‚µãƒ¼ãƒãƒ¼ã‚µã‚¤ãƒ‰ã§ã®ãƒ†ã‚¹ãƒˆã‚‚ã‹ã‚“ãŸã‚“ã«ãªã‚Šã¤ã¤ã‚ã‚‹ã ã‚ã†ã— ã¨ã„ã†ã“ã¨ã§ã€mustache.js をテストã™ã‚‹ã‚¹ã‚¯ãƒªãƒ—トを以下ã«ã‚ã’る。ã“れ㯠node.js ã§ãƒ†ã‚¹ãƒˆã™ã‚‹å ´åˆã§ã™ã€‚JavaScript ã§ç°¡æ˜“的㪠TAP Producer を実装ã—ã¦ã¿ãŸã‘ã©
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