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quodius id:quodius

scalaã«é–¢ã™ã‚‹quodiusã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (12)

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Javaä½¿ã„ã‚’Scalaã«å¼•ãè¾¼ã‚€ã‚µãƒ³ãƒ—ãƒ«é›† | mwSoft
å‰æ›¸ã Scalaã¨ã„ã†è¨€èªžã‚’ã”å˜çŸ¥ã§ã™ã‹ï¼Ÿ Javaã¨åŒã˜ãã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã•ã‚Œã‚‹ã¨classãƒ•ã‚¡ã‚¤ãƒ«ã«ãªã‚Šã€å®Ÿè¡Œæ™‚ã¯JVMä¸Šã§å‹•ä½œã™ã‚‹ã€ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ï¼‹é–¢æ•°åž‹ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã™ã€‚ Scalaã‚’é–‹ç™ºã—ãŸã®ã¯Javaã®genericsã®è¨è¨ˆã‚’æ‰‹ãŒã‘ãŸã‚Šã€javacã®é–‹ç™ºã‚’ã—ã¦ã„ãŸçµŒæ´ã‚‚æŒã¤Martin Oderskyæ°ã€‚ Scalaã¯å¾Œç™ºã®è¨€èªžã¨ã„ã†ã“ã¨ã‚‚ã‚ã£ã¦ã€Javaã‚’æ›¸ã„ã¦ã„ã‚‹æ™‚ã«æ„Ÿã˜ã‚‹å†—é•·ã•ã«å¯¾ã™ã‚‹æ§˜ã€…ãªè§£ãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ æœ¬è¨˜äº‹ã§ã¯ã€Scalaã¨Javaã®ã‚³ãƒ¼ãƒ‰ã‚’æ¯”è¼ƒã—ãªãŒã‚‰ã€Javaãƒ¦ãƒ¼ã‚¶ãŒScalaã«ç§»ã£ãŸéš›ã«å¾—ã‚‰ã‚Œã‚‹ãƒ¡ãƒªãƒƒãƒˆã‚’æç¤ºã—ã¦ã„ãã¾ã™ã€‚ å°šã€åºç›¤ã®ã‚µãƒ³ãƒ—ãƒ«ã‚³ãƒ¼ãƒ‰ã¯Javaãƒ¦ãƒ¼ã‚¶ã«ä¼ã‚ã‚Šã‚„ã™ã„ã‚ˆã†ã«ã€returnã‚’æ˜Žè¨˜ã—ãŸã‚Šã€ãƒ¡ã‚½ãƒƒãƒ‰ã¯å¿…ãš{ }ã§å›²ã‚€ãªã©ã€æ¥µåŠ›Javaã£ã½ã„è¨˜è¿°ã‚’ã—ã¦ã„ã¾ã™ã€‚ ã ã„ãŸã„Javaã¨åŒã˜ã‚ˆã†ãªæ›¸ãæ–¹ãŒã§ãã¾ã™ Scalaã¯Javaã®
quodius 2013/03/25
java

scala
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ã“ã®ã‚¨ãƒ³ãƒˆãƒªã¯ Scala Advent Calendar jp 2011 ã®5æ—¥ç›®ã§ã™ã€‚ Scalaã‚„ã£ã¦ã‚‹äººãªã‚‰ä¸€åº¦ã¯Scalaè¨€èªžä»•æ§˜ã«ç›®ã‚’é€šã—ãŸã“ã¨ãŒã‚ã‚‹ã¨æ€ã„ã¾ã™ç„¡ã„ã¨ã¯è¨€ã‚ã›ãªã„ã€‚ ã“ã®è¨€èªžä»•æ§˜ã‚’è¦‹ã‚‹ã¨ã€ãŸã¾ã«æ€ã„ã‚‚ã‚ˆã‚‰ãªã„ç™ºè¦‹ãŒã‚ã£ãŸã‚Šã—ã¾ã™ãŒã€ãã®ä¸ã§ã»ã¨ã‚“ã©åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹ã¨ã“ã‚ã‚’è¦‹ãŸã“ã¨ãŒãªã„ä¸é‡ãªæ©Ÿèƒ½ã€Œ5.1.6 äº‹å‰å®šç¾© (Early Definitions)ã€ã«ã¤ã„ã¦æ›¸ã“ã†ã¨æ€ã„ã¾ã™*1ã€‚ äº‹å‰å®šç¾© (Early Definitions)ã¨ã¯? ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚’äº‹å‰ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰å®šç¾©(early field definition)ç¯€ã§å§‹ã‚ã‚‹ã“ã¨ãŒã§ãã€ãã‚Œã«ã‚ˆã‚Š ã‚¹ãƒ¼ãƒ‘ãƒ¼åž‹ã®ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ãŒã‚³ãƒ¼ãƒ«ã•ã‚Œã‚‹å‰ã«ã€ã‚ã‚‹ç‰¹å®šã®ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰å€¤ã‚’å®šç¾©ã§ãã¾ã™ã€‚ æ¬¡ã®ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆä¸ã§ { val p1 : T1 = e1 ... val pn : Tn = en } with sc wi
quodius 2011/12/09
KQ

Scala
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Scala ã§éŠã‚“ã§ã¿ã¾ã—ãŸ (Codelogy)
Scala (ã‚¹ã‚«ãƒ©ã€Scala ble Language) ã¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘è¨€èªžã¨é–¢æ•°åž‹è¨€èªžã®ç‰¹å¾´ã‚’çµ±åˆã—ãŸãƒžãƒ«ãƒãƒ‘ãƒ©ãƒ€ã‚¤ãƒ ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã‚ã‚‹ã€‚ wikipedia æ§˜ã€…ãªç‰¹å¾´ãŒã‚ã‚‹ã‚ˆã†ãªã®ã§ã™ãŒã€å€‹äººçš„ã«æ°—ã«ãªã£ãŸã®ãŒã€ åž‹æŽ¨è«–ã‚’ç”¨ã„ãŸé™çš„åž‹ä»˜ã‘ã®è¨€èªžã§ã‚ã‚‹ ãƒ‘ã‚¿ãƒ¼ãƒ³ãƒžãƒƒãƒãŒä½¿ãˆã‚‹ é…å»¶è©•ä¾¡ãŒã‚ã‚‹ æ§‹æ–‡è§£æžã®ãŸã‚ã®ãƒ‘ãƒ¼ã‚µãƒ¼ã‚³ãƒ³ãƒ“ãƒãƒ¼ã‚¿ãŒæ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã«ã‚ã‚‹ Java ã‚„ .NET Framework ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãŒä½¿ãˆã‚‹ æ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã« Actor ã¨å‘¼ã°ã‚Œã‚‹ Erlang ã®ã‚ˆã†ãªæ–‡æ³•ã®è»½é‡ãƒ—ãƒã‚»ã‚¹ãŒã‚ã‚‹ ã§ã™ã€‚ ç†ç”±ã¨ã—ã¦ã¯ã€å‰åŠ 4 ã¤ã¯ Haskell ã®ç‰¹å¾´ã§ã‚‚ã‚ã‚‹ã®ã§ã€Haskell ä½¿ã„ã¨ã—ã¦ã¯è¦‹é€ƒã›ã¾ã›ã‚“ã€‚ Java ã® Swing ã¯ä½¿ã„æ…£ã‚Œã¦ã„ã‚‹ã®ã§ã€GUI ã‚’ä½œã‚‹ã®ãŒæ¥½ãã†ã ã—ã€Erlang ã®ã‚ˆã†ãªä¸¦åˆ—å‡¦ç†ã«ã¤ã„ã¦ã¯å‰ã€…ã‹ã‚‰ä½¿ã£ã¦ã¿ã‚ˆã†ã¨æ€ã£ã¦ã„ãŸã‹ã‚‰
quodius 2011/04/16
scala
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MacRuby: The Definitive Guide
Introducing the AI Academy Help your entire org put GenAI to work Every employee today needs to know how to prompt GenAI, use it to enhance critical thinking and productivity, and more. With the AI Academy they can. For less. Get in on the AI-generated conversation Weâ€™ve turned five Oâ€™Reilly titles into AI-generated podcasts, designed to make learning even more engaging. Hereâ€™s how we did it.
quodius 2010/10/15
Scala
ãƒªãƒ³ã‚¯
ã¯ã¦ãªãƒ–ãƒã‚° | ç„¡æ–™ãƒ–ãƒã‚°ã‚’ä½œæˆã—ã‚ˆã†
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quodius 2010/09/29
scala

buildr
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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.
quodius 2010/09/20
java

scala
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Simply Scala
Captcha security check simplyscala.com is for sale Please prove you're not a robot View Price Processing
quodius 2010/09/08
scala
ãƒªãƒ³ã‚¯
Scalaã®Optionã‚¹ãƒ†ã‚ã•ã«ã¤ã„ã¦ã‚¢ãƒ„ãèªžã£ã¦ã¿ã‚‹ - ( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜
ä»Šæ—¥ã¯ã€Scalaã®Optionã®ä½¿ã„æ–¹ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã‚ˆã€‚Optionã¯Scalaä½¿ã„ã«ã¨ã£ã¦ã¯ãªãã¦ã¯ãªã‚‰ãªã„ã‚‚ã®ã§ã™ã€‚ã“ã‚Œã‚’è¦šãˆã¦ã—ã¾ã†ã¨ä»–ã®è¨€èªžã§ã‚‚Optionã‚’ä½œã‚ŠãŸããªã‚‹ã€ã‹ã‚‚ã—ã‚Œãªã„? Optionã£ã¦ãªã«? Optionåž‹ã¯ã€å€¤ãŒã‚ã‚‹ã‹ãªã„ã‹åˆ†ã‹ã‚‰ãªã„çŠ¶æ…‹ã‚’è¡¨ã™ã‚‚ã®ã§ã™ã€‚ã€ŒMaybeãƒ¢ãƒŠãƒ‰ã€ã¨ã‹è¨€ã£ã¦ã—ã¾ã†ã¨ã‚¢ãƒ¬ã§ã™ãŒã¾ããã‚“ãªã‚ˆã†ãªã‚‚ã®ã‚‰ã—ã„ã§ã™ã€‚ Optionã®å®šç¾© ã¾ãšã¯ã€Optionã®å®šç¾©ã‹ã‚‰è¦‹ã¦ã¿ã¾ã—ã‚‡ã†ã€‚Optionåž‹ã¯ã€æŠ½è±¡ã‚¯ãƒ©ã‚¹Option[+A]ã¨ã€Option[A]ã‚’ç¶™æ‰¿ã—ã¦å€¤ãŒã‚ã‚‹å ´åˆã®Some[+A]åž‹ã¨Noneã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆãŒã‚ã‚Šã¾ã™ã€‚ Option - Scala Standard Library API (Scaladoc) 2.10.0-20120530-022829-8d38079ab4 - scala.Option // Optionã®æŠ½
quodius 2010/07/11
java

scala
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javaä½¿ã„ã®ãŸã‚ã®Scala ã®å‹‰å¼·ã®ãŸã‚ã®è³‡æ–™ä½œã‚Š scalaã£ã¦ç´ æ™´ã‚‰ã—ã„ ã„ã‚ã„ã‚1 - nazokingã®ãƒ–ãƒã‚°
http://d.hatena.ne.jp/nazoking/20100514/1273774142 ã®ç¶šã ç´°ã‹ã„ã¨ã„ã†ã‹è§£èª¬ãŒã„ã‚‰ãªã„ã®ã„ã‚ã„ã‚ ã™ã¹ã¦ãŒã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘åž‹è¨€èªžjavaã«ãŠã„ã¦Objectã§ã¯ãªã„ã‚‚ã®ãŒã‚ã‚‹ã€‚int,long,floatãªã©ã€‚ ãŸã¨ãˆã° 1.toString() ã¯ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã§ããªã„ã€‚ ã—ã‹ã—ï¼ scalaã§ã¯ã€Œã™ã¹ã¦ãŒã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã€ãªã®ã§ã€ä¸Šã®ã‚³ãƒ¼ãƒ‰ã¯ãªã‚“ã®å•é¡Œã‚‚ãªãã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã§ãã‚‹ã€‚javaã§ã¯ã„ã‚ã‚“ãªã¨ã“ã‚ã§intã¨Integerã®å¤‰æ›ã‚’ã—ã¦ã‚„ã‚‹å¿…è¦ãŒã‚ã‚‹ãŒã€scalaã§ã¯ãã‚Œã¯å…¨éƒ¨ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãŒé¢å€’ã‚’è¦‹ã¦ãã‚Œã‚‹ã€‚ ã‚¯ãƒ©ã‚¹éšŽå±¤ã¯ã“ã‚“ãªæ„Ÿã˜ Any +--AnyVal | +-Int | +-Byte | +-: | +--AnyRef <=Object +- String +- æ™®é€šã®ã‚¯ãƒ©ã‚¹ +- : ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆå€¤ä»˜ãå¼•æ•° scala2
quodius 2010/05/20
scala

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

programming
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Rubyã‹ã‚‰Scalaã«ä¹—ã‚Šæ›ãˆãŸ15ãã‚‰ã„ã®ç†ç”± - ãƒ½( ãƒ»âˆ€ãƒ»)ãƒŽãã¾ãã¾ãƒ¼(2010-04-26)
â— [Scala] Rubyã‹ã‚‰Scalaã«ä¹—ã‚Šæ›ãˆãŸ15ãã‚‰ã„ã®ç†ç”± [æ³¨æ„] ã“ã®æ–‡ç« ã‚’èªã‚€ã¨ã€æ—¢å˜ã®Rubyã‚³ãƒ¼ãƒ‰ã‚’Scalaã§rewriteã—ãŸããªã‚‹ã€ Rubyã‚³ãƒ¼ãƒ‰ã§åž‹ãƒã‚§ãƒƒã‚¯ã‚’ã‚„ã‚‹ã®ãŒé¬±ã«ãªã‚‹ã€Rubyæ¡ˆä»¶ã§ã‚„ã‚‹æ°—ãŒå‡ºãªããªã‚‹ã€ ãªã©ã®å¹»è¦šã‚„ç•°å¸¸è¡Œå‹•ãŒå ±å‘Šã•ã‚Œã¦ã„ã¾ã™ã€‚ ç¾åœ¨é–¢ã‚ã£ã¦ã„ã‚‹ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚„å®¶æ—ã®ã“ã¨ã‚’å¸¸ã«æ„è˜ã—ã€ æ°—ã‚’å¼·ãæŒã£ã¦å†·é™ã«èªã‚€ã¨ã‚ˆã„ã§ã—ã‚‡ã†ã€‚ ã€ŒScalaãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°å…¥é–€ã€ã‚’èªã¿ã¯ã˜ã‚ã¦ã€ã„ããªã‚Šå¤§ããé ·ã„ã¦ã—ã¾ã£ãŸã€‚ "ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°æ™‚é–“ã®åŠåˆ†ã‚’ãƒ†ã‚¹ãƒˆä½œæˆã«è²»ã‚„ã•ãªã‘ã‚Œã°ãªã‚‰ãªã‹ã£ãŸ"(p.3) "Railsã«ã‚ˆã£ã¦å¾—ã‚‰ã‚ŒãŸç”Ÿç”£æ€§ã®å‘ä¸Šã¯ã€ãƒ†ã‚¹ãƒˆä½œæˆã®ä½œæ¥ã«å¤±ã‚ã‚Œã¦ã—ã¾ã„ã¾ã—ãŸ"(p.3) ã¾ã•ã«ã“ã“æ•°å¹´ç§ãŒæŠ±ã„ã¦ãŸæ¼ ç„¶ã¨ã—ãŸã‚¹ãƒˆãƒ¬ã‚¹ã®æ£ä½“ãŒã€çš„ç¢ºã«æ–‡ç« ã¨ãªã£ã¦ã„ãŸã‹ã‚‰ã ã€‚ãã—ã¦ã»ã©ãªãã€ã€Œã‚ã€ã“ã®æ©Ÿèƒ½ãŒRubyã«æ¬²ã—ã‹ã£ãŸï¼ã€ã¨ã„ã†é©šãã¨å…±ã« Sc
quodius 2010/04/30
scala

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž

programming

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
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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¡
quodius 2010/03/18
scala

programming
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Scalaã®é™å®šç¶™ç¶šã‚’ä½¿ã£ã¦ã€C#ã®yieldã½ã„ã‚‚ã®ã‚’å®Ÿç¾ã™ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’æ›¸ã„ã¦ã¿ãŸ - kmizuã®æ—¥è¨˜
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quodius 2010/01/11
scala

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