[B! scala] kzfmã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

kzfm id:kzfm

scalaã«é–¢ã™ã‚‹kzfmã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (15)

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Scalaé–‹çœ¼
1éšŽå—ä»˜ï¼šã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ç‰ / 1éšŽæ¡ˆå†…ç‰ˆï¼šã‚³ãƒžãƒ³ãƒ‰ / 2éšŽï¼šæ›¸ãæ–¹ / 3éšŽï¼šæ–‡ã¨å¼ / 4éšŽï¼šé–¢æ•° / 5éšŽï¼šã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ / 6éšŽï¼šåž‹ / 7éšŽï¼šæ³¨é‡ˆç‰ / å±‹ä¸Šï¼šè¨€èªžä»•æ§˜è¦ç´„ / é›²ï¼šscalaãƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ¦‚è¦³ / é’ç©ºï¼šãã®ä»–ã®ä»˜å±žãƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ¦‚è¦³ ãªãŠã€ä»¥ä¸Šã®è§£èª¬ã¯Javaã®æ–‡æ³•ã¨ã‚³ãƒžãƒ³ãƒ‰ã‚„æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªç‰ã‚’ä¸€å¿œçŸ¥ã£ã¦ã„ã‚‹ã“ã¨ã‚’å‰æï¼ˆç¾è¡Œã®Scalaã¯ãªãŠJavaãƒ©ã‚¤ãƒ–ãƒ©ãƒªã¸ã®ä¾å˜åº¦ãŒé«˜ãScalaã ã‘ã§å®Œçµã§ãã‚‹çŠ¶æ…‹ã§ã¯ç„¡ã„ã€‚ãªãŠã€Scalaã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©è‡ªä½“ã¯Java1.4ç”¨ã®ã‚³ãƒ¼ãƒ‰ã‚‚åã‘ã‚‹ãŒã€æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãŒå¤šã1.5ã‚’å‰æã¨ã—ã¦ã„ã‚‹ï¼‰ã¨ã—ã€ãã®é•ã„ã ã‘ã‚’ã¨ã‚Šã‚ãˆãšã¯æ›¸ãç•™ã‚ã‚‹ã‚‚ã®ã§ã‚ã‚‹ã€‚ã‚‚ã£ã±ã‚‰æ–‡æ³•ã‚„ãƒ©ã‚¤ãƒ–ãƒ©ãƒªå‚ç…§ç”¨ã§ã‚ã‚‹ã“ã¨ã‚’ç›®æŒ‡ã—ã¦ã„ã‚‹ã®ã§ã€ä¾‹ã‚„ç‰¹é•·ç‰ã¯æ¬¡ã®ãƒªãƒ³ã‚¯ã‚’å‚ç…§ã•ã‚ŒãŸã„ï¼ˆãªãŠãŸã ã—ã€åŽŸè‘—è€…ãŸã¡ã®é…æ…®ã«ã‚‚ã‹ã‹ã‚ã‚‰ãšã€ãã‚Œã‚‰ã®ä¾‹ã¯é–¢æ•°åž‹è¨€èªžã«é–¢ã™ã‚‹äº‹å‰ã®æ¦‚è¦çš„æŠŠæ¡
kzfm 2010/05/05
scala
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Scala for Haskell
Scala for Haskell programmers RÃºnar Bjarnason, Paul Chiusano Capital IQ ClariFI
kzfm 2010/02/23
scala
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Python decorators in Scala
Are you looking for Python decorators in Scala? I did look for them when first studying Scala. I tried to look up for Scala/Java annotations, as the syntax was too similar to ignore the clue. But annotations are for adding runtime (reflection accessible) metadata. As it turned out, Scala usually try to push as much as possible out of language specification to library implementation, and, also in t
kzfm 2010/02/23
scala
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Scala Â« é–¢æ•°åž‹ã®æ—¥ã€… | Functional Programming Blog
kzfm 2010/02/22
scala
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scalaã®Actor - NullPointer's
ä¸èº«ã‚’ç†è§£ã›ãšã«è¦‹æ§˜è¦‹çœŸä¼¼ã‚³ãƒ¼ãƒ‰ã€‚ import scala.actors._ class Fib extends Actor { def act = { while(true) { receive { case i:Int => { println(i + ":" + fib(i)) } } } } def fib(n:Int):Int ={ n match { case 0 => 1 case 1 => 1 case _ => fib(n - 1) + fib(n - 2) } } } object Main { def main(args: Array[String]) { val f = new Fib() f.start (0 to 10).foreach { c => f ! c } } } å…ƒããŸã€ã‚¢ã‚¯ã‚¿ãƒ¼ãƒ¢ãƒ‡ãƒ« - GIOã®æ—¥è¨˜ è¿½è¨˜ trait Actor in scal
kzfm 2010/02/18
scala
ãƒªãƒ³ã‚¯
ã‚¢ã‚¯ã‚¿ãƒ¼ãƒ¢ãƒ‡ãƒ« - GIOã®æ—¥è¨˜
Erlang Land ã‚’èªã‚“ã§Erlangã‚’å¦ã‚“ã ã€‚ Erlangã®ä¸¦åˆ—å‡¦ç†ã‚’å¦ã¶ã“ã¨ã§ã‚¢ã‚¯ã‚¿ãƒ¼ãƒ¢ãƒ‡ãƒ«ã®ç†è§£ãŒã§ããŸï¼ æ¦‚å¿µçš„ã«ç†è§£ã§ãã¦ãªã‹ã£ãŸScalaã®Actorãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚‚èªã¿æ›¸ããŒã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ Erlangã®ä¸¦åˆ—ç‰ˆãƒ•ã‚£ãƒœãƒŠãƒƒãƒã‚’Scalaã§æ›¸ã„ã¦ã¿ã¾ã—ãŸã€‚ import scala.actors._ class FibActor(var name:String) extends Actor { def act = { receive { case i:Int => println(name + ": " + fib(i)) } } def fib(n:Int):Int = { n match { case 0 => 1 case 1 => 1 case _ => fib(n - 1) + fib(n - 2) } } } object ActorTest { def
kzfm 2010/02/18
scala
ãƒªãƒ³ã‚¯
é€£è¼‰: IBM Watson Workspace #é¬¼ã‚ã‹ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™º: ç¬¬ 7 å›ž: IBM Watson Workspace ã§ AI ã‚’åˆ©ç”¨ã—ãŸã‚¢ãƒ—ãƒªé€£æºã®å®Ÿç¾ #é¬¼ã‚ã‹ è§£èª¬ï¼ˆå‰ç·¨ï¼‰
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
kzfm 2010/02/18
scala
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197x 20090704 Scalaã§ä¸¦è¡Œãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
2. è‡ªå·±ç´¹ä»‹ â€¢ NetPenguin â€“ http://d.hatena.ne.jp/NetPenguin/ â€“ http://twitter.com/NetPenguin/ â€¢ ãƒ—ãƒã‚°ãƒ©ãƒž(å¦SE) â€¢ Java, Scala, C/C++, PHP, etc... â€¢ Scala-be â€“ http://groups.google.co.jp/group/scala-be 2 4. Scala â€¢ ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘+é–¢æ•°åž‹ â€¢ JVMä¸Šã§å‹•ä½œ â€¢ Scalaã‹ã‚‰Javaã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’åˆ©ç”¨å¯èƒ½ Javaã‹ã‚‰Scalaã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å‘¼ã³å‡ºã™ã“ã¨ã‚‚å¯èƒ½ â€¢ å¤‰æ…‹è±Šå¯Œãªè¨€èªžæ©Ÿèƒ½ â€“ Implicit parameter, Implicit conversion, Trait, Structual typing, Pattern match â€“ Partial Function, ã‚¿ãƒ—ãƒ«, I
kzfm 2010/02/18
scala
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Scala, Emacs and Yasnippet | The Scala Programming Language
Developers today are used to working with tools like Visual Studio or Eclipse where one of the selling points are templates (snippets) for many standard operations and also code completions for variables, methods and argument names. Sorry to say that this is not about Scala code completion features in Emacs, but a feature that is just as useful - the insertion of templates for various standard Sca
kzfm 2010/02/17
scala
ãƒªãƒ³ã‚¯
scalaã§Yã‚³ãƒ³ãƒ“ãƒãƒ¼ã‚¿ - ( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜
Yã‚³ãƒ³ãƒ“ãƒãƒ¼ã‚¿ã®å®šç¾©: def Y[A,B]( f:((A => B), A ) => B, x:A ):B = f( ( y:A ) => Y( f,y ),x ) Yã‚³ãƒ³ãƒ“ãƒãƒ¼ã‚¿ã£ã¦ã®ã¯ã€è¦ã¯ Y(f) = f(Y(f))ã¨ãªã‚‹é–¢æ•°ã‚‰ã—ã„ã€‚ä¸å‹•ç‚¹æ¼”ç®—åã¨ã‹å‘¼ã°ã‚Œã¦ã„ã¾ã™ãŒãªã‚“ã®ã“ã¨ã‹ã‚ã‹ã‚Šã¾ã›ã‚“ãã€‚ ã€Œã‚ã‚‹é–¢æ•°fã‚’Yã«ä¸ŽãˆãŸçµæžœã§ãã‚‹é–¢æ•°ã‚’f'ã¨ã™ã‚‹ã¨ã€f'ã‚’ã¾ãŸYã«ä¸Žãˆã¦ã§ãã‚‹é–¢æ•°ã¯fã¨åŒã˜ã€ã«ãªã‚‹ã‚ˆã†ã«é–¢æ•°ã‚’ä½œã‚Šå‡ºã™ã‚‚ã®ã§ã™ã€‚ ä½•ã§ã“ã‚“ãªã‚‚ã‚“å¿…è¦ãªã®? ã‚ã‚‹ç„¡åé–¢æ•°ãŒã‚ã‚‹ã¨ã—ã¾ã—ã‚‡ã†ã€‚ã“ã®ç„¡åé–¢æ•°ã¯åå‰ãŒå®šç¾©ã•ã‚Œã¦ã„ãªã„ãŸã‚ã€è‡ªèº«ã‚’å†å¸°ã§å‘¼ã³å‡ºã™å®šç¾©ãŒã§ãã¾ã›ã‚“ã€‚ å˜ç´”ã«ã€0ã‹ã‚‰å¼•æ•°nã¾ã§åŠ ç®—ã™ã‚‹é–¢æ•°ã‚’ç„¡åé–¢æ•°ã§å®šç¾©ã—ã‚ˆã†ã¨ã™ã‚‹ã¨ã€ (i:Int) => i match{ case 0 => 0 case _ => i + ã“ã“ã§è‡ªåˆ†è‡ªèº«ã‚’å†å¸°ã§å‘¼ã³ãŸã„ã‘ã©åå‰ãŒãªã„( i - 1
kzfm 2010/02/04
scala
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IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
kzfm 2010/01/21
scala
ãƒªãƒ³ã‚¯
Melbourne Scala Users Group Monads in Scala Bernie Pope, 2009 Monads in Scala Bernie Pope Bernie Pope, 2009 Melbourne Scala Users Group Monads in Scala Outline â€¢ The story behind monads. â€¢ Monads in action. â€¢ Desugaring Scalaâ€™s â€˜forâ€™ comprehe
Melbourne Scala Users Group Monads in Scala Bernie Pope, 2009 Monads in Scala Bernie Pope Bernie Pope, 2009 Melbourne Scala Users Group Monads in Scala Outline â€¢ The story behind monads. â€¢ Monads in action. â€¢ Desugaring Scalaâ€™s â€˜forâ€™ comprehensions. Melbourne Scala Users Group Monads in Scala Bernie Pope, 2009 The story behind monads The quest for modular semantics. Bernie Pope, 2009 Melbourne Sc
kzfm 2009/11/02
scala
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Scalaã§WebAPIã‚’ãŸãŸã„ã¦XMLã‚’å‡¦ç†ã™ã‚‹ãŸã‚ã®å®šåž‹ãƒ‘ã‚¿ãƒ¼ãƒ³ã®ã¾ã¨ã‚ - ( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜
ä¿ºã¯LTãªã©ã®è³‡æ–™ã«ä½¿ã†ãŸã‚ã®ãƒã‚¿ç”»åƒã‚’Tumblrã§åŽé›†ã—ã¦ã‚‹ã®ã§ã™ãŒã€ã„ã–ã‚¹ãƒ©ã‚¤ãƒ‰ã«ç”»åƒã‚’è²¼ã‚ã†ã¨æ€ã£ãŸã‚‰Tumblrã‹ã‚‰æ¤œç´¢ã—ã¦è½ã¨ã—ã¦ã“ãªãã‚ƒã„ã‘ãªãã¦ã‚ã‚“ã©ãã•ã„ã§ã™ã€‚ ã£ã¦ã“ã¨ã§ã€Tumblrã‹ã‚‰ç”»åƒã‚’è½ã¨ã™ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’scalaã§æ›¸ã„ã¦ã¿ã¾ã—ãŸã€‚ ã›ã£ã‹ããªã®ã§ã€ã“ã®æ‰‹ã®ãƒ•ã‚£ãƒ¼ãƒ‰ã®ã‚ˆã†ãªXMLçš„ãªã‚‚ã®ã‚’ã’ã¨ã—ã¦ã»ã’ã‚‹ãŸã‚ã®å®šåž‹ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚’ã¾ã¨ã‚ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¾ãå‡¦ç†ã«ã‚‚ã‚ˆã‚Šã¾ã™ãŒã€ã ã„ãŸã„50ã€œ60è¡Œãã‚‰ã„ã§ã‹ã‘ã‚‹ã®ã§ã€scalaã®ç·´ç¿’ã«ã‚‚ã¡ã‚‡ã†ã©ã„ã„ã¨æ€ã„ã¾ã™ã€‚ ä»Šã¾ã§æ›¸ã„ãŸã®ã¯ã€Gistã«ãŠã„ã¦ã‚ã‚Šã¾ã™ã€‚ ã‚†ã‚ã‚ˆã‚ã®Gist ã‚‚ã£ã¨ã„ã„æ›¸ãæ–¹ãŒã‚ã‚‹ã‚ˆ!ã£ã¦å ´åˆã¯ã€ãŠã—ãˆã¦ãã ã—ã‚ï¼žï¼œ URLã¨ã‹å¼•æ•°ã¨ã‹ å¼•æ•°ã«IDã‚’ã‚‚ã‚‰ã£ã¦ã€String#formatã‚’ä½¿ã£ã¦URLã‚’ç”Ÿæˆã—ã¾ã™ã€‚ "http://hogehoge/%s".format( args.first ) XML
kzfm 2009/10/28
scala
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Life with Cygwin
æ²–ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢æ ªå¼ä¼šç¤¾ã¯ã€æ²–é€šä¿¡ã‚·ã‚¹ãƒ†ãƒ æ ªå¼ä¼šç¤¾ãŠã‚ˆã³æ ªå¼ä¼šç¤¾æ²–ã‚¤ãƒ³ãƒ•ã‚©ãƒ†ãƒƒã‚¯ã¨å¹³æˆ22å¹´10æœˆ1æ—¥ã‚’ã‚‚ã£ã¦åˆä½µã„ãŸã—ã¾ã—ãŸã€‚æ–°ä¼šç¤¾åã¯ã€æ ªå¼ä¼šç¤¾OKIã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¨ãªã‚Šã¾ã™ã€‚3ç¤¾ãŒè¡Œã£ã¦ãŠã‚Šã¾ã™äº‹æ¥ã¯æ–°ä¼šç¤¾ã«ã¦å¾“æ¥é€šã‚Šç¶™ç¶šã„ãŸã—ã¾ã™ã€‚
kzfm 2009/01/28
python

prolog
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ã»ã¼ã‚Šã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªžScalaã®æƒ…å ±æº - HHaï¼ˆHæ´¾ï¼‰ãƒ¡ãƒ¢
è¨€èªžScalaã¯ã€EPFLå¤§(ä»ãƒãƒ¼ã‚¶ãƒ³ãƒŒ)ã®Martin Oderskyæ•™æŽˆã«ã‚ˆã‚Šé–‹ç™ºã•ã‚ŒãŸã€å¼·ã„åž‹ä»˜ã‘ã‚’ã‚‚ã¤ç´”ç²‹ãªã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã¨é–¢æ•°åž‹ãŒç†è«–çš„ã«ã»ã¼å®Œå…¨ã«èžåˆã—ãŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã™ã€‚Scalaã¯ã€JVMä¸Šã§å®Ÿè¡Œã•ã‚Œã‚‹ãŸã‚ã€è¨€èªžå†…ã‹ã‚‰ã™ã¹ã¦ã®Javaã‚¯ãƒ©ã‚¹ãŒæ™®é€šã«åˆ©ç”¨å¯èƒ½ã§ã‚ã‚Šã€ç°¡æ½”ã§é«˜ã„è¡¨ç¾åŠ›ã¨Javaã¨ã»ã¼åŒç‰ã®å®Ÿè¡Œæ€§èƒ½ã‚’ã‚‚ã£ã¦ã„ã¾ã™ã€‚ å¼·ã„åž‹ä»˜ã‘è¨€èªžã§ã‚ã‚ŠãªãŒã‚‰åž‹æŽ¨è«–æ©Ÿèƒ½ã®ãŠã‹ã’ã§å†—é•·ãªåž‹å®£è¨€ãŒä¸è¦ã§ã‚ã‚Šã€Rubyä»¥ä¸Šã«ã‚³ãƒ³ãƒ‘ã‚¯ãƒˆãªã‚³ãƒ¼ãƒ‰è¨˜è¿°ã‚’è¨±ã—ã€Genericã‚„Mixin(Trait)ç‰ã®æŠ½è±¡ã‚¯ãƒ©ã‚¹ç®¡ç†æ©Ÿèƒ½ã€ãƒ‘ã‚¿ãƒ¼ãƒ³ãƒžãƒƒãƒãƒ³ã‚°æ©Ÿèƒ½ãªã©ã®ç°¡æ½”ã§è±Šã‹ãªè¡¨ç¾åŠ›ã¨ç›¸ã¾ã£ã¦ã€æ–°ä¸–ä»£ã®å®Ÿç”¨ã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªžã¨ã—ã¦ã®é«˜ã„å¯èƒ½æ€§ã‚‚ç§˜ã‚ã¦ã„ã¾ã™ã€‚ â—‹è¨€èªžScalaã®åŸºæœ¬ã‚µã‚¤ãƒˆ The Scala Programming Languageï¼ˆãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã€ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆå……å®Ÿï¼‰ http://www
kzfm 2008/02/21
Scala
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