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Ehren id:Ehren

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Rã¨æ‰‹ä½œæ¥ã§è¦šãˆã‚‹æœ€å°¤æ³• - é¤¡åä»˜ã‚›éŒ²ã‚›
OLSã‚ˆã‚Šé€²ã‚“ã çµ±è¨ˆæ‰‹æ³•ã§æœ€åˆã«è¦šãˆã‚‹ã®ã¯æœ€å°¤æ³•ã ã¨æ€ã„ã¾ã™ã€‚å¤§åŠã®äººã¯ãƒ„ãƒ¼ãƒ«ã¨ã—ã¦çŸ¥ã£ã¦ã„ã¦ã€ã‚ã¾ã‚Šä¸èº«ã‚’æ„è˜ã—ã¦ã„ãªã„æ°—ãŒã™ã‚‹ã®ã§ã™ãŒã€ã€Œå°¤åº¦ã€ã®èª¬æ˜Žç„¡ã—ã§ã€Žå°¤åº¦ãŒæœ€å¤§ã«ãªã‚‹ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãƒ¼ã‚’æ±‚ã‚ã‚‹æ–¹æ³•ã€ã¨è¨€ã†èª¬æ˜ŽãŒæ¨ªè¡Œã—ã¦ã„ã‚‹ã®ã¯ã€å•é¡ŒãŒã‚ã‚‹ã‹ã‚‚çŸ¥ã‚Œã¾ã›ã‚“ã€‚ æœ€å°¤æ³•ã¯ã€ã‚ã‚‹åˆ†å¸ƒã‹ã‚‰è¦³æ¸¬å€¤ãŒå–ã‚Šå‡ºã•ã‚ŒãŸã¨ã—ã¦ã€â€œãã†ãªã‚‹ç¢ºçŽ‡â€ãŒæœ€ã‚‚é«˜ããªã‚‹ã‚ˆã†ã«åˆ†å¸ƒã®å…·ä½“çš„ãªå½¢çŠ¶ã‚’æ±ºã‚ã‚‹ã‚„ã‚Šæ–¹ã§ã™ã€‚â€œãã†ãªã‚‹ç¢ºçŽ‡â€ã‚’å°¤åº¦ã¨è¨€ã„ã¾ã™ã€‚ã“ã†æ›¸ãã¨æ˜“ã—ã„äº‹ãªã®ã‹é›£ã—ã„äº‹ãªã®ã‹åˆ¤åˆ¥ã‚‚ã¤ã‹ãªã„ã¨æ€ã†ã®ã§ã€å®Ÿéš›ã«æœ€å°¤æ³•ã‚’è§£ã„ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ ã¾ãšã€ä½•ã‚‚è€ƒãˆãšã«ãƒˆãƒ©ã‚¤ï¼†ã‚¨ãƒ©ãƒ¼ã§æœ€å°¤æ³•ã‚’è©¦ã¿ã‚‹ã‚„ã‚Šæ–¹ã‚’èª¬æ˜Žã—ãŸå¾Œã«ã€æ•™ç§‘æ›¸çš„ãªæœ€å°¤æ³•ã®è§£æ³•ã‚’èª¬æ˜Žã—ã¾ã™ã€‚ 1. ä½•ã‚‚è€ƒãˆãšã«ãƒˆãƒ©ã‚¤ï¼†ã‚¨ãƒ©ãƒ¼ã§æœ€å°¤æ³•ã‚’è©¦ã¿ã‚‹ ã‚ã‚‹æ£è¦åˆ†å¸ƒã‹ã‚‰å€¤ã‚’3ã¤å–ã‚Šå‡ºã—ãŸã‚‰ã€11 13 23ã ã£ãŸã¨ã—ã¾ã—ã‚‡ã†ã€‚ã“ã®ã‚µãƒ³ãƒ—ãƒ«ãŒâ€œã‚‚ã£ã¨ã‚‚ã‚‰ã—ã„â€æ£è¦åˆ†å¸ƒã®å¹³å‡ã¨åˆ†
Ehren 2016/09/16
study

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Extensible Effects in Scala
Extensible Effects in Scala Freer Monads, More Extensible Effects ã§ç´¹ä»‹ã•ã‚Œã‚‹ Eff ãƒ¢ãƒŠãƒ‰ã‚’ Scala ã‚’ä½¿ã£ã¦è§£èª¬ã—ã¾ã™ã€‚ Contents Free Monad Freer Monad Efficient Freer Eff Monad (Extensible Freer) Free Monad Free ã¯ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã« Functor ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’ä¸Žãˆã‚‹ã“ã¨ã§ãƒ¢ãƒŠãƒ‰ã«ãªã‚‹ãƒ‡ãƒ¼ã‚¿åž‹ã§ã™ã€‚ Functor ã®å®šç¾©ã‹ã‚‰è¦‹ã¦ã„ãã¾ã—ã‚‡ã†ã€‚ trait Functor[F[_]] { def map[A, B](fa: F[A])(f: A => B): F[B] } è¨ˆç®—ã‚³ãƒ³ãƒ†ãƒŠ F ã«å¯¾ã—ã¦ map ã¨ã„ã†é–¢æ•°ãŒå®šç¾©ã•ã‚Œã¾ã™ã€‚ map ã¯ F[A] ã®è¨ˆç®—å€¤ A ã«é–¢æ•° A => B ã‚’é©ç”¨ã— F[B] ã‚’å¾—ã¾ã™ã€‚
Ehren 2016/01/12
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scala

monad
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Dissecting the Disruptor: Why it's so fast (part one) - Locks Are Bad - Trisha Gee
Dissecting the Disruptor: Why itâ€™s so fast (part one) â€“ Locks Are Bad Martin Fowler has written a really good article describing not only the Disruptor, but also how it fits into the architecture at LMAX. This gives some of the context that has been missing so far, but the most frequently asked question is still "What is the Disruptor?". I'm working up to answering that. I'm currently on question
Ehren 2015/01/06
java

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ã‚¹ãƒ¬ãƒƒãƒ‰ã‚»ãƒ¼ãƒ•ã¨ã„ã†å¹»æƒ³ã¨ç¾å®Ÿ - yohhoyã®æ—¥è¨˜ï¼ˆåˆ¥é¤¨ï¼‰
ã“ã®è¨˜äº‹ã¯C++ Advent Calendar 2013ã®15æ—¥ç›®ã«ã‚¨ãƒ³ãƒˆãƒªã—ã¦ã„ã¾ã™ã€‚ å†…å®¹ã¯C++æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã¨ã‚¹ãƒ¬ãƒƒãƒ‰ã‚»ãƒ¼ãƒ•ã«é–¢ã™ã‚‹è§£èª¬ã«ãªã‚Šã¾ã™ã€‚ flickr / rennasverden ã‚‚ãã˜ What's ã‚¹ãƒ¬ãƒƒãƒ‰ã‚»ãƒ¼ãƒ•ï¼Ÿ ã‚¹ãƒ¬ãƒƒãƒ‰ã‚»ãƒ¼ãƒ•ã¨ã„ã†å¹»æƒ³ åŸºæœ¬åž‹ã¨ãƒ‡ãƒ¼ã‚¿ç«¶åˆ C++æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã¨ãƒ‡ãƒ¼ã‚¿ç«¶åˆ C++æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªï¼šã‚·ãƒ¼ã‚±ãƒ³ã‚¹ã‚³ãƒ³ãƒ†ãƒŠç·¨ C++æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªï¼šé€£æƒ³ã‚³ãƒ³ãƒ†ãƒŠç·¨ ã‚¹ãƒ¬ãƒƒãƒ‰ã‚»ãƒ¼ãƒ• RELOADED åŸºæœ¬çš„ãªã‚¹ãƒ¬ãƒƒãƒ‰ã‚»ãƒ¼ãƒ•ä¿è¨¼ std::shared_ptr<T> std::rand() std::cout ï¼ˆæœ¬æ–‡ã®ã¿ç´„9000å—ï¼‰ ã¯ã˜ã‚ã« ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰å¯¾å¿œã®ç‚¹ã§ã¯ä»–è¨€èªžã«é…ã‚Œã‚’å–ã£ã¦ã„ãŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžC++ã§ã™ãŒã€C++11ã§ã¯ã‚ˆã†ã‚„ãæ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã«ã‚¹ãƒ¬ãƒƒãƒ‰ã‚µãƒãƒ¼ãƒˆãŒè¿½åŠ ã•ã‚Œã¾ã—ãŸã€‚C++11ã‚¹ãƒ¬ãƒƒãƒ‰ã‚µãƒãƒ¼ãƒˆã§ã¯ã‚¹ãƒ¬ãƒƒãƒ‰ã‚¯ãƒ©ã‚¹std::thr
Ehren 2013/12/16
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How Travis CI Uses Heroku to Scale Their Platform
Editor's note: This is a guest post from Mathias Meyer of Travis CI. Travis CI is a continuous integration and deployment platform. It started out as a project to offer a free platform for the open source community to run their tests and builds on. Over the past two years, Travis CI has grown, a lot. What started out with a single server running just a few hundred tests a day turned into a platfor
Ehren 2013/09/04
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ã€Œfluentdã€ã¨ã€ŒStormã€ã®æ¯”è¼ƒã«ã¤ã„ã¦ - Tous Les Jours æ”»é˜²è¨˜
ã¾ãšã€ä¸¡è€…ã¯ã‹ãªã‚Šæ€§è³ªã®ç•°ãªã‚‹ãƒ—ãƒãƒ€ã‚¯ãƒˆãªã®ã§ã€ä»¥ä¸‹ã®æ¯”è¼ƒã¯ç‹é•ã„ã€‚ ç‹é•ã„ã§ã‚ã‚‹ã“ã¨ã‚’å‰æã«ã€ã‚¹ãƒˆãƒªãƒ¼ãƒ ãƒ‡ãƒ¼ã‚¿å‡¦ç†ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã¨ã—ã¦ã®ä¸¡è€…ã‚’æ¯”ã¹ã¦ã¿ã‚‹ã€‚ åŸºæœ¬æƒ…å ± fluentd http://fluentd.org/ ä»Šã‚’ã¨ãã‚ããƒã‚°ã‚³ãƒ¬ã‚¯ã‚¿ãƒ¼/ã‚¤ãƒ™ãƒ³ãƒˆã‚¢ã‚°ãƒªã‚²ãƒ¼ã‚¿ãƒ¼ã€‚Rubyã§å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ãŒè»½é‡é«˜é€Ÿã€‚ RPCåŸºç›¤ã§ã¯ãªãã€ãã®ä¸‹ã®ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ä½ç½®ã™ã‚‹ãƒ—ãƒãƒ€ã‚¯ãƒˆã€‚ Storm http://storm-project.net/ åˆ†æ•£RPCåŸºç›¤ã€‚ã‚¹ãƒˆãƒªãƒ¼ãƒ ãƒ‡ãƒ¼ã‚¿ç‰ˆMapReduceé¢¨ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã€‚Java+Clojureã§å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã€‚ æ¦‚è¦ã«ã¤ã„ã¦ã¯ã€ä¸‹è¨˜ã®ã‚¹ãƒ©ã‚¤ãƒ‰ãŒã¨ã¦ã‚‚ã‚ã‹ã‚Šã‚„ã™ã‹ã£ãŸã€‚ Twitterã®ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ åˆ†æ•£å‡¦ç†ã‚·ã‚¹ãƒ†ãƒ ã€ŒStormã€å…¥é–€ ã‚¹ãƒˆãƒªãƒ¼ãƒ ãƒ‡ãƒ¼ã‚¿å‡¦ç†ã§ä½•ã‚’ã™ã‚‹ã®ã‹ã«ã¤ã„ã¦ ã‚¹ãƒˆãƒªãƒ¼ãƒ ãƒ‡ãƒ¼ã‚¿å‡¦ç†ã®ãƒ‹ãƒ¼ã‚ºã«ã¤ã„ã¦ã€è‡ªåˆ†ãŒç†è§£ã—ã¦ã„ã‚‹ç¯„å›²ã§ã®ç°¡å˜ãªèª¬æ˜Žã€‚ å…¸
Ehren 2013/05/07
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.NETã§ç°¡å˜ãªä¾‹ã‚’è¦‹ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ public Person : INotifyPropertyChanged { string firstName, lastName; public event NotifyPropertyChangedEventHandler PropertyChanged; protected void OnPropertyChanged(string propertyName) { if ( this.PropertyChanged != null ) { this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } public string FirstName { get { return this.firstName; } set { this.firstName
Ehren 2013/03/26
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Escape from Callback Hell - Ian Bishop
Brief Intro In 2009, I was working as a student for a small consulting firm, tasked to develop some real-time visualization stuff for the web. Normally, this would have meant writing some Flash. But it was 2009, so Flash Is Dead and HTML5 Is King. It was the first project I would work on where Javascript would make up the meat of the work, rather than just â€œsprinkling some jQuery on itâ€ â€“ another
Ehren 2013/03/04
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ã‚‰ã„ãŠã‚“ã®éš ã‚Œå®¶ : ãƒãƒ¼ãƒ«ãƒ»ã‚°ãƒ¬ã‚¢ãƒ ã€Œãƒ–ãƒ©ãƒƒã‚¯ãƒ»ã‚¹ãƒ¯ãƒ³è¾²å ´ã€ - livedoor Blogï¼ˆãƒ–ãƒã‚°ï¼‰
ãƒãƒ¼ãƒ«ãƒ»ã‚°ãƒ¬ã‚¢ãƒ ã€Œãƒ–ãƒ©ãƒƒã‚¯ãƒ»ã‚¹ãƒ¯ãƒ³è¾²å ´ã€ã‚’ç¿»è¨³ã—ã¾ã—ãŸã€‚åŽŸé¡Œã¯ Black Swan Farming ã§ã€åŽŸæ–‡ã¯ã‚³ã‚³ã§ã™ã€‚ãªãŠç¿»è¨³ã«ã‚ãŸã‚Šã€fililæ§˜ã€tamoæ§˜ã€shiroæ§˜ã®ã‚¢ãƒ‰ãƒã‚¤ã‚¹ã‚’ã„ãŸã ã„ã¦ãŠã‚Šã¾ã™ã€‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ï¼ ãƒ–ãƒ©ãƒƒã‚¯ãƒ»ã‚¹ãƒ¯ãƒ³è¾²å ´ Black Swan Farming 2012å¹´9æœˆ September 2012 ç§ã¯é•·å¹´ã®é–“ã«ã€ä½•ç¨®é¡žã‹ã®ä»•äº‹ã‚’ã—ã¦ããŸãŒã€ãƒ™ãƒ³ãƒãƒ£ãƒ¼ä¼æ¥ã¸ã®æŠ•è³‡ã»ã©ç›´è¦³ã«åã™ã‚‹ä»•äº‹ã‚’ä»–ã«çŸ¥ã‚‰ãªã„ã€‚ I've done several types of work over the years but I don't know another as counterintuitive as startup investing. ãƒ™ãƒ³ãƒãƒ£ãƒ¼ä¼æ¥ã¸ã®æŠ•è³‡ã‚’è·æ¥ã«ã™ã‚‹ã¨ãã€ç†è§£ã™ã¹ãæœ€ã‚‚é‡è¦ãªï¼’ã¤ã®ã“ã¨ã¯ã€ (1) äº‹å®Ÿä¸Šã™ã¹ã¦ã®ãƒªã‚¿ãƒ¼ãƒ³ã¯ã€å¤§æˆåŠŸã™ã‚‹ã”ãã‚
Ehren 2012/10/05
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çµµã§è¦‹ã‚‹ãƒ¢ãƒŠãƒ‰ Â· eed3si9n
2012-08-21 John Wiegley ã•ã‚“ã® â€œMonads in Picturesâ€ ã‚’ç¿»è¨³ã—ã¾ã—ãŸã€‚ç¿»è¨³ã®å…¬é–‹ã¯æœ¬äººã‚ˆã‚Šè¨±è«¾æ¸ˆã¿ã§ã™ã€‚ç¿»è¨³ã®é–“é•ã„ç‰ãŒã‚ã‚Œã°é æ…®ãªãã”æŒ‡æ‘˜ãã ã•ã„ã€‚ 2012å¹´8æœˆ20æ—¥ John Wiegley è‘— 2012å¹´8æœˆ21æ—¥ e.e d3si9n è¨³ ã“ã‚Œã¯ãƒ¢ãƒŠãƒ‰ã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã§ã¯ãªã„ã—ã€ã“ã“ã«ã¯æ•°å¦ç”¨èªžã‚‚å‡ºã¦ã“ãªã„ã€‚æœ¬ç¨¿ã¯ã€æ—¢ã«ãƒ¢ãƒŠãƒ‰ã‚’ä¸€å¿œä½¿ãˆã‚‹ãã‚‰ã„ã«ã¯ç¿’ã£ãŸäººã‚’å¯¾è±¡ã¨ã™ã‚‹ã€‚è¦–è¦šåŒ–ã™ã‚‹ã“ã¨ã§ã€ä½•ã®ãŸã‚ã«ä½•ã‚’ã‚„ã£ã¦ã„ã‚‹ã‹ãŒæ˜Žã‚‰ã‹ã«ãªã‚‹ã¯ãšã ã€‚ é–¢æ•° ãƒ¢ãƒŠãƒ‰ã«å¯¾ã™ã‚‹ç›´æ„Ÿã‚’å¾—ã‚‹ä¸€ã¤ã®æ–¹æ³•ã¨ã—ã¦é–¢æ•°ã‹ã‚‰ãƒ¢ãƒŠãƒ‰ã¸ã®æŠ½è±¡åŒ–ã‚’ãŸã©ã‚‹ã¨ã„ã†ã‚‚ã®ãŒã‚ã‚‹ã€‚é–¢æ•°ãŒä½•ã‚’ã‚„ã£ã¦ã„ã‚‹ã®ã‹ã‚’ç°¡å˜ãªçµµã§è¡¨ã—ã¦ã¿ã‚ˆã†ã€‚Haskell ã®é–¢æ•°ã®å‘¼ã³å‡ºã—ã®æ§‹æ–‡ã‚’ä¸Šã«ã€åŒã˜æ¼”ç®—ã‚’è¦–è¦šåŒ–ã—ãŸã‚‚ã®ã‚’ä¸‹ã«ç½®ã„ãŸ: é–¢æ•°ã¯ã‚ã‚‹å€¤ a ã‚’æŠ•å°„ (map) ã—ã¦åˆ¥ã®å€¤ b ã‚’å¾—ã‚‹ã€‚ä¸ã§ä½•ãŒèµ·
Ehren 2012/08/22
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ãƒ‰ãƒ«ã‚¢ãƒ¼ã‚¬ã®å¡”ã®è¿·è·¯ç”Ÿæˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ - ãƒ‹ãƒ¤ãƒª TechSide
â–¡ã€€ãƒžãƒƒãƒ—ãŒé•ã†ã®ã¯ã‚ã‚‹ç¨‹åº¦ã‚ãã‚‰ã‚ã¦ãŸã‘ã©ã€‚ â˜…Sã€€ã“ã‚Œã¯ç”»æœŸçš„ãªã“ã¨ã‹ã‚‚çŸ¥ã‚Œãªã„ã‚“ã ã‘ã‚Œã©ã€TODã¯ï¼‘ãƒ•ãƒã‚¢ã«ã¤ããƒžãƒƒãƒ—ã®ãƒ‡ãƒ¼ã‚¿ã‚’ï¼‘ãƒã‚¤ãƒˆã—ã‹æŒã£ã¦ã„ã¾ã›ã‚“ã€‚ã¤ã¾ã‚Šã€ãƒ—ãƒã‚°ãƒ©ãƒ çš„ã«ã¯ãƒžãƒƒãƒ—ã¨ã„ã†æ¦‚å¿µãŒãªã„ã‚“ã§ã™ãã€‚ã¡ã‚‡ã£ã¨é›£ã—ã„ã®ã§ã™ãŒã€èª¬æ˜Žã—ã¾ã™ã€‚ TODã®è¿·è·¯ã¯ã€ã¾ãšå…¨ã¦ã®æŸ±ã‚’æƒ³å®šã—ã¾ã™ã€‚ãã—ã¦ã€æœ€åˆã®ï¼‘æœ¬ã‚’é¸ã³ã€ãã“ã‹ã‚‰é¢æ•°ã‚’æ ¹ã¨ã—ãŸä¹±æ•°ã«ã‚ˆã£ã¦ã€ï¼ã€œï¼“ã®æ•°ã‚’å°Žãå‡ºã—ã€ãã‚Œã«ç›¸å½“ã™ã‚‹æ–¹å‘ï¼ˆex.ï¼:ä¸Šã€ï¼‘:å³ã€ï¼’:ä¸‹ã€ï¼“:å·¦ï¼‰ã«å£ã‚’ä½œã‚Šã¾ã™ã€‚ãã‚ŒãŒå¤–å£ã‹åˆ¥ã®å£ã«æŽ¥è§¦ã—ãªã‘ã‚Œã°ã€æ–°ã—ã„æ ¹ã‚ˆã‚Šï¼ã€œï¼’ã®ä¹±æ•°ã‚’ã‚‚ã¨ã‚ã€ãã¡ã‚‰æ–¹å‘ï¼ˆex.ï¼:é€²è¡Œæ–¹å‘å·¦ã€ï¼‘:ã¾ã£ã™ãã€ï¼’:é€²è¡Œæ–¹å‘å³ï¼‰ã¸å£ã‚’ä¼¸ã°ã—ã¾ã™ã€‚ã“ã‚Œã‚’å¤–å£ã‹åˆ¥ã®å£ã«æŽ¥è§¦ã™ã‚‹ã¾ã§ç¶šã‘ã¾ã™ã€‚ ã‚‚ã—å¤–å£ã‹åˆ¥ã®å£ã«æŽ¥è§¦ã—ãŸå ´åˆã€æœ€åˆã«é¸ã‚“ã æŸ±ã‹ã‚‰é †ç•ªã«ã€ã¾ã å£ã®é€šéŽã—ã¦ã„ãªã„æŸ±ã‚’é¸ã‚“ã§åŒã˜å‡¦ç†ã‚’ç¹°ã‚Šè¿”ã—ã¾ã™ã€‚å£ã®é€šéŽã—ã¦ã„ãªã„æŸ±ãŒãªããªã‚‹ã¨è¿·
Ehren 2012/08/21
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QAã§å¦ã¶Monad - ã‚ã©ã‘ãªã„è©±
ã“ã®è¨˜äº‹ã¯ã€Monad ã§ã¤ã¾ã¥ã„ãŸ Haskeller ã®ãŸã‚ã® Monad å†å…¥é–€ã§ã™ã€‚ Monadã¨ã¯ä½•ã§ã™ã‹ï¼Ÿ Monad ã¨ã¯ã€å˜ãªã‚‹åž‹ã‚¯ãƒ©ã‚¹ã®ä¸€ã¤ã§ã™ã€‚é›£ã—ã„ã¨ã„ã†é¢¨è©•ã‚‚ã‚ã‚Šã¾ã™ãŒã€ãã‚Œä»¥ä¸Šã§ã‚‚ãã‚Œä»¥ä¸‹ã§ã‚‚ã‚ã‚Šã¾ã›ã‚“ã€‚ ã“ã®åž‹ã‚¯ãƒ©ã‚¹ã®ãƒ¡ã‚½ãƒƒãƒ‰ã¯ã€return ã¨ >>= ã§ã™ã€‚ class Monad m where (>>=) :: m a -> (a -> m b) -> m b return :: a -> m a ã¤ã¾ã‚Šã€ä»¥ä¸‹ã‚’æº€ãŸã™åž‹ã®é›†åˆãŒ Monad ã§ã™ã€‚ m a ã§è¡¨ç¾ã§ãã‚‹ã‚ˆã†ã«ä¸€ã¤ã®åž‹å¤‰æ•°ã‚’æ ¼ç´ã™ã‚‹ã‚³ãƒ³ãƒ†ãƒŠåž‹ >>= ã¨ return ã‚’å®Ÿè£… return ã¯æ–°ã—ã„ã‚³ãƒ³ãƒ†ãƒŠã‚’ä½œã‚Šã€>>= ã¯äºŒã¤ã®ã‚³ãƒ³ãƒ†ãƒŠã‚’åˆæˆã—ã¾ã™ã€‚ Monad ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã¯å¤±æ•—ç³»ã¨çŠ¶æ…‹ç³»ã«å¤§åˆ¥ã§ãã¾ã™ã€‚ä»¥ä¸‹ã«ä»£è¡¨çš„ãªã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’ç¤ºã—ã¾ã™ã€‚ å¤±æ•—ç³»: Maybeã€[] (ãƒªã‚¹ãƒˆ)
Ehren 2012/08/13
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Haskell

monad
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Winnyã®é‡‘åæ°ãŒå¤¢è¦‹ã‚‹æ¬¡ä¸–ä»£é«˜é€Ÿãƒãƒƒãƒˆã®ä¸–ç•Œ (1/5)
2011å¹´ã€8å¹´ã‚’ã‹ã‘ãŸã€ŒWinnyã€è£åˆ¤ãŒçµ‚ã‚ã£ãŸã€‚æ¸¦ä¸ã«ã„ãŸã®ã¯ã€Œ2ã¡ã‚ƒã‚“ãã‚‹ã€ã§ã¯ã€Œ47æ°ã€ã¨å‘¼ã°ã‚Œã¦ã„ãŸé‡‘åå‹‡æ°ã ã€‚è£åˆ¤å¾Œã®ã‚¤ãƒ³ã‚¿ãƒ“ãƒ¥ãƒ¼ï¼ˆé–¢é€£è¨˜äº‹ï¼‰ã§ã¯ã€ç·¨é›†éƒ¨ã®ã€Œã“ã‚Œã‹ã‚‰ã©ã†ã—ã¦ã„ããŸã„ã‹ï¼Ÿã€ã¨ã„ã†è³ªå•ã«ã€Œæ±ºã‚ã¦ãªã„ã§ã™ã€ã¨ç”ãˆã¦ã„ãŸé‡‘åæ°ã§ã‚ã‚‹ãŒã€ç€å®Ÿã«æ¬¡ã®ã‚¹ãƒ†ãƒƒãƒ—ã«é€²ã¿å§‹ã‚ã¦ã„ã‚‹ã€‚ 6æœˆ12æ—¥ã€Skeedç¤¾ã¨ãƒ‡ãƒ¼ã‚¿ãƒ›ãƒ†ãƒ«ãŒæ¥å‹™ææºã—ã¦ã€ŒCLOUD CONNECTã€ã¨ã„ã†ãƒ‡ãƒ¼ã‚¿ã‚»ãƒ³ã‚¿ãƒ¼é–“ã‚’é«˜é€ŸæŽ¥ç¶šã™ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã‚’å±•é–‹ã™ã‚‹ã¨ç™ºè¡¨ï¼ˆé–¢é€£è¨˜äº‹ï¼‰ã—ãŸãŒã€é‡‘åæ°ã¯ç¾åœ¨ã€ã“ã®Skeedç¤¾ã®ç¤¾å¤–å–ç· å½¹ã¨ãªã£ã¦ãŠã‚Šã€æ–°ãŸãªãƒ—ãƒãƒ€ã‚¯ãƒˆã®é–‹ç™ºã«å°‚å¿µã—ã¦ã„ã‚‹ã€‚ä»Šå›žã®ã‚¤ãƒ³ã‚¿ãƒ“ãƒ¥ãƒ¼ã§ã¯ã€ã“ã®é‡‘åæ°ã¨ã¨ã‚‚ã«ä»£è¡¨å–ç· å½¹ç¤¾é•·ã§ã‚ã‚‹æ˜ŽçŸ³æ˜Œä¹Ÿæ°ã‚‚åŒå¸ã‚’é¡˜ã„ã€Winnyäº‹ä»¶ã‚’ãã£ã‹ã‘ã«ã§ãã‚ãŒã£ãŸã¨ã„ã†Skeedç¤¾ã‚„ã€äº‹ä»¶ã®æ€ã„å‡ºã€ãã—ã¦å½¼ã‚‰ãŒç¾åœ¨åºƒã‚ã‚ˆã†ã¨ã—ã¦ã„ã‚‹é«˜é€Ÿãƒ‡ãƒ¼ã‚¿è»¢é€æŠ€è¡“ã«ã¤ã„ã¦å°‹ãã¦ã¿ãŸã„ã€‚ Winny
Ehren 2012/08/07
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ãƒªãƒ³ã‚¯
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Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ ç¬¬2ç‰ˆ ä½•åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ŒPractical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootã‚’ä½¿ã£ãŸREST APIæ§‹ç¯‰ã®åŸºç¤Žã‚’å¦ã‚“ã ã€‚ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ããƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã€é‡è¦ãªå¤‰...
Ehren 2012/08/01
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ãƒªãƒ³ã‚¯
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Ehren 2012/07/30
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Soccer
ãƒªãƒ³ã‚¯
Why OO Sucks by Joe Armstrong
(Note: This is a copy of the original that used to live at http://www.bluetail.com/~joe/vol1/v1_oo.html) When I was first introduced to the idea of OOP I was skeptical but didnâ€™t know why - it just felt â€œwrongâ€. After its introduction OOP became very popular (I will explain why later) and criticising OOP was rather like â€œswearing in churchâ€. OOness became something that every respectable language
Ehren 2012/07/27
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ãƒªãƒ³ã‚¯
Functional programming is a ghetto
This was originally posted by Michael O'Church on his blog. -- Functional programming is a ghetto. Before any flamewars can start, let me explain exactly what I mean. I donâ€™t mean â€œfunctional programming sucksâ€. Far from it. The opposite, actually. Not all ghettos are poor, crime-ridden, and miserable. Jewish ghettos existed for centuries in Europe, from the Renaissance to World War II, and many w
Ehren 2012/07/25
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ãƒªãƒ³ã‚¯
Hackability - For Whom? - steps to phantasien
WEB+DB Press ãŒå‡ºã¦ã¾ã™(ã ã„ã¶å‰ã«). å‰å›žã¯ã‚ã¾ã‚Šã«å†…å®¹ãŒãŠã£ã•ã‚“ã™ãŽãŸã¨åçœã—, ä»Šå›žã¯è‹¥è€…ã¶ã£ã¦ JavaScript ã®ãƒ“ãƒ¥ãƒ¼ãƒ¬ã‚¤ãƒ¤ã®è©±ã‚’æ›¸ã„ã¦ã¿ã¾ã—ãŸ. MVC ç”¨èªžã®å®šç¾©ã‚’æ°—ã«ã™ã‚‹ã®ã‚‚ã„ã„ã‘ã©ã‚‚ã†ã¡ã‚‡ã£ã¨ç´°ã‹ã„æ‰€ã«ç›®ã‚’å‘ã‘ã¦ã‚‚é¢ç™½ã„ã§ã™ã‚ˆ, ã¨ã„ã†è©±ã®ã¤ã‚‚ã‚Šã§ã™. ã—ã‹ã—æœ€è¿‘ã¯ JS ã‚‚ãŠã£ã•ã‚“è¨€èªžã§ã‚ã‚‹ã¨ã„ã†æŒ‡æ‘˜ã‚’ã†ã‘äºŒé€±é…ã‚Œãªè‡ªåˆ†ã‚’ç—›æ„Ÿâ€¦ ãŠã£ã•ã‚“çš„ãªè©±ã§ã‚ã‚‹ã¨ã“ã‚ã®é€£è¼‰ç¬¬ä¸€å›ž Hackability vs. Hackiness ã¯ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã§èªã‚ã‚‹ã‚ˆã†ã«ãªã£ã¦ã„ã¾ã—ãŸ. ãŠæš‡ã®ã‚ã‚‹æ–¹ã¯ã”è¦§ãã ã•ã„. ä»¥ä¸‹ã‚ã‚“ã¾ã—é–¢ä¿‚ãªã„è©±: Hackability ç´›äº‰ å…ˆã®é€£è¼‰è¨˜äº‹ã«ã‚‚æ›¸ã„ãŸã¨ãŠã‚Š, WebKit ã¯ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆç›®æ¨™ã®ä¸€ã¤ã¨ã—ã¦ hackability ã‚’æŒ™ã’ã¦ã„ã‚‹. ç§ãŒ hackability ã®æœ‰ç„¡ã‚’æ°—ã«ã—å§‹ã‚ãŸã®ã‚‚ã“ã‚Œã‚’è¦‹ã¦ä»¥æ¥ã®ã“ã¨ã . Hack
Ehren 2012/07/24
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bukupe.comÂ -Â bukupe ãƒªã‚½ãƒ¼ã‚¹ãŠã‚ˆã³æƒ…å ±
This webpage was generated by the domain owner using Sedo Domain Parking. Disclaimer: Sedo maintains no relationship with third party advertisers. Reference to any specific service or trade mark is not controlled by Sedo nor does it constitute or imply its association, endorsement or recommendation.
Ehren 2012/07/11
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body

book
ãƒªãƒ³ã‚¯
ç‚å‘ã®åºå¸« - steps to phantasien
Chromium ã¨ WebKit ã¯äºŒã¤ã®ç‹¬ç«‹ã—ãŸãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã ã€‚ ã‚½ãƒ¼ã‚¹ãƒ„ãƒªãƒ¼ã¯ãã‚Œãžã‚Œåˆ¥ã§ã€ãã“ã«ã¯ã‚¤ãƒ³ãƒ†ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã®è‹¦åŠ´ãŒã‚ã‚‹ã€‚ WebKit ä»¥å¤–ã«ã‚‚ V8 ã‚„ Skia ãªã© Chromium ãŒä¾å˜ã—ã¦ã„ã‚‹å¤–éƒ¨ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã¯å±±ã»ã©ã‚ã‚‹ã‘ã‚Œã©, WebKit ã¨ã¯ç‰¹ã«ã´ã£ãŸã‚Šãã£ã¤ã„ã¦ã„ã‚‹ã€‚ ãã®ã¶ã‚“äºŒã¤ã®è¶³ä¸¦ã¿ã‚’ã‚ã‚ã›ã‚‹æ‰‹é–“ã‚‚éš›ç«‹ã¤ã€‚ ä»¥å‰ã€æ›¸ç± â€ã‚¢ã‚¸ãƒ£ã‚¤ãƒ«é–‹ç™ºã®æœ¬è³ªã¨ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ãƒƒãƒ—â€ ã§ ãƒªãƒªãƒ¼ã‚¹ãƒˆãƒ¬ã‚¤ãƒ³ ã¨ã„ã†å¤§è¦æ¨¡ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ã‚¤ãƒ³ãƒ†ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³æ‰‹æ³•ã‚’èªã‚“ã ã€‚ ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®å†…éƒ¨ã§ä¸€æ®µç´°ã‹ã„æ™‚é™ãƒªãƒªãƒ¼ã‚¹ã‚’è¨ã‘ã€ãã®ã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§ã‚¤ãƒ³ãƒ†ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã™ã‚‹æ–¹æ³•ã€‚ å†…éƒ¨ãƒªãƒªãƒ¼ã‚¹ã«ã‚ã‚ã›ã¦ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆåŒå£«ãŒä¾å˜ã—ã¦ã„ã‚‹ç›¸æ‰‹ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’ä¸Šã’ã€ å£Šã‚ŒãŸã¨ã“ã‚ã‚’ãªãŠã™ã‚ã‘ã€‚ Chromium ã¨ WebKit ã‚‚ã“ã¾ã‚ã«ç›¸æ‰‹ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’æ–°ã—ãã™ã‚‹ã€‚ ä¸»ãŸã‚‹ä¾å˜ã®å‘ãã¯ Chro
Ehren 2012/05/21
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word
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