How we replaced a 10-year-old Perl product using ScalaScalaMatsuri 2019 http://2019.scalamatsuri.org/index_en.html
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Exploring Tagless Final pattern for extensive and readable Scala code
Home / Blog / Exploring Tagless Final pattern for extensive and readable Scala code In this post, I will try to share with you all a functional pattern I stumbled upon recently – Tagless Final. This pattern tries to address a vital problem for every software engineer: how to make sure the programs we write are correct? I will try to explain how Tagless Final works and how it can be applied in prac
scala-modules/README.md at master · yawaramin/scala-modules
I recently watched a talk by Martin Odersky (2014) in which he boils Scala down to what he considers to be the essential parts of the language. In it he remarks that Scala is designed to be a modular programming language and its modular abstractions are greatly inspired by modular programming in ML (SML). I found this intriguing, because I regard SML-style modular programming as a great way to org
Scalaã§MLスタイルã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’使ã£ãŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚’ã™ã‚‹ - kmizuã®æ—¥è¨˜
何ã¯ã¨ã‚‚ã‚れ以下ã®ã‚³ãƒ¼ãƒ‰ã‚’見ã¦ãã ã•ã„(ã¡ãªã¿ã«è¤‡ç´ 数クラスã®å®Ÿè£…ã¯ã€ d.hatena.ne.jp ã‚’å‚考ã«ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸï¼‰ï¼š trait Complex { type T def re(a: T): Double def im(a: T): Double def make(re: Double): T def plus(a: T, b: T): T def minus(a: T, b: T): T def multiply(a: T, b: T): T def divide(a: T, b: T): T } object Complex extends Complex { case class C(re: Double, im: Double) type T = C def re(a: T): Double = a.re def im(a: T): Double = a.im d
Scala 2.13.0-M3 is now available!
M3 is the last 2.13 milestone with the old collection library! The next (and last) milestone of this series will integrate the new collections incubating at scala/collection-strawman. We will soon provide an easy way to try the new collections in your own project to solicit feedback on how we can simplify the upgrade to 2.13. Thanks to Miles Sabin’s hard work (sponsored by Lightbend), this milesto
Haskellを勉強ã—ã¦æ„Ÿå‹•ã—ãŸã“ã¨ãƒ»é›£ã—ã„ã¨æ€ã£ã¦ã‚‹ã“㨠- Qiita
Haskell Advent Calendar 4日目ã®è¨˜äº‹ã§ã™ã€‚ Haskellã«å…¥é–€ã—ãŸã®ã¯6, 7å¹´å‰ ã‚²ãƒ¼ãƒ ãŒä½œã‚Œã‚‹è¨€èªž(æŸãƒ¢ãƒŠãƒ‡ã‚£ã‚¦ã‚¹)ã よã€ã¨è¨€ã‚ã‚Œãƒ›ã‚¤ãƒ›ã‚¤ç ”ç©¶å®¤ã«å…¥ã£ã¦å¦ã‚“ã ã®ãŒé‹å‘½ã®å‡ºä¼šã„ã§ã—ãŸã€‚最åˆã¯å¥‡å¦™ãªè¨€èªžã§ã‚„ãŸã‚‰é を使ã‚ã›ã‚‹ã—èžã„ãŸã“ã¨ã‚‚ç„¡ã„ã—ã§ã€æ–‡å¥ã‚’言ã£ã¦ã„ã¾ã—ãŸãŒå¦ã‚“ã§ã„ãã†ã¡ã«æ¬¡ç¬¬ã«ãƒ—ãƒã‚°ãƒ©ãƒ ã®ç¾Žã—ã•åˆç†æ€§ã«æƒ¹ã‹ã‚Œã¦ã„ãã¾ã—ãŸã€‚残念ãªãŒã‚‰æ™®æ®µã¯åƒ•ã®é ã«ã‚ã¾ã‚‹è¨€èªžãªã®ã§ä½¿ç”¨ã—ã¦ã„ã¾ã›ã‚“ãŒã€å¾Œã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°äººç”Ÿã«å¤šãã®å½±éŸ¿ã‚’残ã—ã¦è¨€ã£ãŸæ„Ÿå‹•ã—ãŸã“ã¨ã€ãã—ã¦ãªãœé›£ã—ã„ã¨æ€ã£ã¦ã„ã‚‹ã‹ã‚’ã¾ã¨ã‚ã¦ã„ããŸã„ãªã¨æ€ã„ã¾ã™ã€‚基本的ã«ã¯ã€æ›¸ç±ã€Œã™ã”ã„HaskellãŸã®ã—ãå¦ã¼ã†ã€ã®å†…容ã®æŠœç²‹ã«ãªã‚Šã¾ã™ã€‚Haskell未経験者ã®æ–¹ã«æ˜¯éžã€å¦ã¶ãã£ã‹ã‘ã«ãªã‚Œã°ã¨æ€ã£ã¦ã„ã¾ã™ã€‚(本当ã¯Haskellã®ãƒ“ジュアルプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ç’°å¢ƒã‚’作りãŸã‹ã£ãŸã§ã™ãƒ»ãƒ»ãƒ»ã€‚時間ãŒç„¡ãã¦æ–念) Hask
CodeIQã«ã¤ã„ã¦ã®ãŠçŸ¥ã‚‰ã›
2018å¹´4月25日をもã¡ã¾ã—ã¦ã€ 『CodeIQã€ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è…•è©¦ã—サービスã€å¹´åŽç¢ºç´„スカウトサービスã¯ã€ ITエンジニアã®ãŸã‚ã®å¹´åŽç¢ºç´„スカウトサービス『moffers by CodeIQã€https://moffers.jp/ ã¸ä¸€æœ¬åŒ–ã„ãŸã—ã¾ã—ãŸã€‚ ã“ã‚Œã¾ã§å¤šãã®ITエンジニアã®æ–¹ã«ã€ŽCodeIQã€ã‚’ã”利用ã„ãŸã ãã¾ã—ã¦ã€ 改ã‚ã¦å¿ƒã‚ˆã‚Šæ·±ã御礼申ã—上ã’ã¾ã™ã€‚ ã¾ãŸã€ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãŸã‚ã®Webマガジン「CodeIQ MAGAZINEã€ã¯ã€ リクナビNEXTジャーナル( https://next.rikunabi.com/journal/ )ã«ä¸€éƒ¨ã®è¨˜äº‹ã®ç§»è¡Œã‚’予定ã—ã¦ãŠã‚Šã¾ã™ã€‚ 今後ã¯ã€Žmoffers by CodeIQã€ã«ã¦ã€ ITエンジニアã®çš†æ§˜ã®ã‚ˆã‚Šè‰¯ã„転è·ã‚’サãƒãƒ¼ãƒˆã™ã‚‹ãŸã‚ã«ã€ã‚ˆã‚Šä¸€å±¤åŠªã‚ã¦ã¾ã„ã‚Šã¾ã™ã®ã§ã€ 引ã続ãã”愛顧ã®ã»ã©ä½•å’よã‚ã—ããŠé¡˜ã„申ã—上ã’ã¾ã™ã€‚ ã¾ãŸã€Cod
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Scalaã«ã‚ˆã‚‹ç´”粋関数型プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚’用ã„ãŸé«˜é€Ÿã§ä¸¦è¡Œãªã‚·ã‚¹ãƒ†ãƒ スケーラブルã§ä¸¦è¡Œãªã‚·ã‚¹ãƒ†ãƒ をメモリリークやスレッドリークを起ã“ã•ãšã€ã—ã‹ã‚‚ç´ æ—©ã開発ã™ã‚‹ã“ã¨ã¯å‘½ä»¤å½¢ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚„オブジェクト指å‘プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ã¯ã»ã¨ã‚“ã©ä¸å¯èƒ½ã§ã‚ã‚‹ã“ã¨ãŒã‚ã‹ã£ã¦ãã¾ã—ãŸã€‚ Akkaã®ã‚ˆã†ãªScalaフレームワークã¯ã“ã®å•é¡Œã‚’部分的ã«å˜ç´”化ã—ã¾ã—ãŸãŒã€ã—ã‹ã—ãã‚Œã¯åŒå€¤æ€§ã®æ„味付ã‘ã€åž‹å®‰å…¨æ€§ã€ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã®çµåˆæ€§ã‚’çŠ ç‰²ã«ã™ã‚‹å½¢ã§ã‚ã‚Šã€çµå±€ã¯é–‹ç™ºã‚„ä¿å®ˆã®ã‚³ã‚¹ãƒˆã‚’大ãã上昇ã•ã›ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ ã“ã®ãƒ—レゼンテーションã§ã¯ã€å¼·åŠ›ãªç´”粋関数型ã®Effectシステムã§ã‚ã‚‹Scalaz 8 IOを用ã„ã¦ã€åž‹å®‰å…¨ã€ä¸¦è¡Œã€ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ルã§ãƒªãƒ¼ã‚¯ã®ãªã„アプリケーションを開発ã™ã‚‹æ–¹æ³•ã‚’å¦ã³ã¾ã™ã€‚ ãã—ã¦ã“ã‚Œã¯ä»Šã¾ã§ã«ã‚ã£ãŸæ–¹æ³•ã‚ˆã‚Šç´ æ—©ãç°¡å˜ã§ã‚‚ã‚ã‚‹ã®ã§ã™ã€‚ ã“ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã®æœ€å¾Œã«ã¯ç§ã¯ã€å®Ÿå‹™ã«æºã‚るプãƒã‚°ãƒ©ãƒžã«ã¨ã£ã¦ç´”粋関
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Finagle Client ã®ãƒªãƒˆãƒ©ã‚¤æ©Ÿèƒ½ | Scala Tech Blog
AI Messenger ã¨ã„ã†ãƒãƒ£ãƒƒãƒˆãƒœãƒƒãƒˆäº‹æ¥ã§ã‚µãƒ¼ãƒã‚µã‚¤ãƒ‰ã®é–‹ç™ºã‚’ã—ã¦ã„る大野ã§ã™ã€‚ AI Messenger ã§ã¯ã€éžåŒæœŸ RPC フレームワーク㮠Finagle を使用ã—ã¦é–‹ç™ºã‚’ã—ã¦ã„ã¾ã™ã€‚ Finagle ã«ã¤ã„ã¦ã¯ 今年4月ã«å¼Šç¤¾å†…ã§è¡Œã£ãŸ AdTech Scala Meetup ã®è¨˜äº‹ã‚’ã”覧ãã ã•ã„ ([AdTech Scala Meetup] Finagle | Scala Tech Blog)。Meetup ã®è¨˜äº‹ä¸ã§ã¯ã€Œã‚¢ãƒ‰ãƒ†ã‚¯ã‚¹ã‚¿ã‚¸ã‚ªã§ã¯ã»ã¨ã‚“ã©å°Žå…¥å®Ÿç¸¾ãŒç„¡ã„ã€ã¨ã‚ã‚Šã¾ã™ãŒã€æœ€è¿‘アドテクスタジオã®ä¸ã§ã‚‚å°Žå…¥ã—ã¦ã„るプãƒãƒ€ã‚¯ãƒˆãŒå¢—ãˆã¦ãã¾ã—ãŸã€‚ AI Messenger ã§ã¯å†…部ã®ã‚µãƒ¼ãƒ“ス間や Facebook Messenger ç‰ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°ã‚µãƒ¼ãƒ“ス間㧠Http 通信を行ã£ã¦ã„ã¾ã™ãŒã€æ§˜ã€…ãªè¦å› ã§ãƒªã‚¯ã‚¨ã‚¹ãƒˆãŒå¤±æ•—ã™ã‚‹ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ãã®éš›ã« Finagle
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Combining ZIO and Akka to enable distributed FP in Scala
Modular programming Using Object in Scala
Scala Rationale [pdf] | Hacker News
Verify to continue
Haskell VS. Scala
Scala ã®çœç•¥ãƒ«ãƒ¼ãƒ«æ—©è¦šãˆ · GitHub
Finch: Best-Practices
https://monkey.org/~marius/funsrv.pdf
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