Advanced programming languages
Students often ask for a recommendation on what language they should learn next. If you're looking for a job in industry, my reply is to learn whatever is hot right now: C++, Java and C#--and probably Python, Ruby, PHP and Perl too. If, on the other hand, you're interested in enlightenment, academic research or a start-up, the criterion by which you should choose your next language is not employab
並行処ç†åˆå¿ƒè€…ã®ãŸã‚ã®Akka入門
Concurrent programing explanation for akka beginers. 並行処ç†åˆå¿ƒè€…ã®ãŸã‚ã®Akka入門 akka meetup 2014/09/28(æ—¥) http://connpass.com/event/8622/ ã“ã®ã‚¤ãƒ™ãƒ³ãƒˆã®å°Žå…¥èª¬æ˜Žã®ãŸã‚ã«æ›¸ã‹ã‚Œã¾ã—ãŸã€‚ 内容ã«ã¯ã€ä¸¦è¡Œå‡¦ç†ã€ã‚¢ã‚¯ã‚¿ãƒ¼ãƒ¢ãƒ‡ãƒ«ã€Akkaã®æ©Ÿèƒ½ã®èª¬æ˜Žã¨ãªã£ã¦ã„ã¾ã™ã€‚Read less
Scalaã®é–¢æ•°éƒ¨åˆ†é©ç”¨ã¨ã‚«ãƒªãƒ¼åŒ– - kyabã®æ—¥è¨˜
Programming In Scalaã§ã€é–¢æ•°ã®éƒ¨åˆ†é©ç”¨ã¨ã‚«ãƒªãƒ¼åŒ–ã«ã¤ã„ã¦æ··ä¹±ã€‚ 関数ã®éƒ¨åˆ†é©ç”¨(Pratially applied functions)㯠[Chapter 8 Functions and Closures]ã¨ã„ã†ç« ã§ç´¹ä»‹ã•ã‚Œã¦ã„る。 ã“ã®ç« ã§ã¯ã€ã¾ãšç„¡å関数(function literal)ãŒç™»å ´ã—ã¦ã€ãã®å¾Œã«éƒ¨åˆ†é©ç”¨ã‚’紹介ã—ã¦ã„る。 ã¾ãšç„¡å関数(filterã®ä¾‹)。 scala> val someNumbers = List(-11,1,2,0,-4,9) someNumbers: List[Int] = List(-11, 1, 2, 0, -4, 9) scala> someNumbers.filter((x:Int)=>x>0)　　　//ç„¡å関数をfilterã«æ¸¡ã™ res7: List[Int] = List(1, 2, 9) scala> someNu
scalaã§ã¯ã€ãªãœã‚¤ãƒ³ã‚¯ãƒªãƒ¡ãƒ³ãƒˆã‚„デクリメントãŒã§ããªã„ã®ã‹ï¼Ÿ - xuwei-k's blog
javaã§ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ã« int a = 0; int b = ++a; System.out.print(a); // 1 ãŒè¡¨ç¤ºã•ã‚Œã‚‹ System.out.print(b); // bã‚‚1 ++ã¨ã„ã†ã‚¤ãƒ³ã‚¯ãƒªãƒ¡ãƒ³ãƒˆã™ã‚‹ãŸã‚ã®æ¼”ç®—åãŒã‚ã‚Šã¾ã™ã€‚ ã—ã‹ã—scalaã®å ´åˆ var a = 0 // a ++ ã“ã‚Œã¯ãƒ€ãƒ¡ val b = a += 1 print(a) // 1 ãŒè¡¨ç¤ºã•ã‚Œã‚‹ print(b) // b ã¯Unit ã¨ã„ã†ã‚ˆã†ã«ã—ãªã„ã¨ã„ã‘ã¾ã›ã‚“。 ã“ã®é•ã„ã«ã¤ã„ã¦ã®ãŠãªã¯ã—(・ω・)ノ ã“れをã¡ã‚ƒã‚“ã¨è§£èª¬ã—よã†ã¨ã™ã‚‹ã¨ã€ã‹ãªã‚Šã‚„ã‚„ã“ã—ã„ã‚“ã§ã™ãŒã€ãã‚Œãªã‚Šã®ç†ç”±ãŒã‚ã‚Šã¾ã™ã€‚ ã™ã”ãç´°ã‹ã„ã¨ã“ã‚ã ã‘ã©ã€Javaã¨ã®é•ã„ã§åˆå¿ƒè€…ãŒæˆ¸æƒ‘ã„ã‚„ã™ã„ã¨ã“ã‚ã ã¨æ€ã„ã¾ã™ã€‚ Javaã®è¨€èªžä»•æ§˜æ›¸ã®15.14 〜 15.18ã‚ãŸã‚Šã ã¨ãŠã‚‚ã„ã¾ã™ãŒã€++ã€+=ã€--ã€-=ã€ãªã©ã¯ã€ã™ã¹ã¦Ope
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