[B! éžåŒæœŸ] higedã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

higed id:higed

éžåŒæœŸã«é–¢ã™ã‚‹higedã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

Reactive Streamsã¨ã¯ï¼Ÿ - ãŸã‘ãžã†ç€•æ»ãƒ–ãƒã‚°
Reactive Streamsã¨ã„ã†ã®ã¯ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚°ãªback pressureå¯èƒ½ãªéžåŒæœŸã‚¹ãƒˆãƒªãƒ¼ãƒ å‡¦ç†ã®æ¨™æº–çš„ãªä»•æ§˜ã‚’æä¾›ã—ã‚ˆã†ã¨ã„ã†ã‚‚ã®ã§ã€å®Ÿè£…ã¨ã—ã¦ã¯Akka Streamsã€RxJavaã€Reactor Composableã€Ratpackãªã©ãŒã‚ã‚Šã¾ã™ã€‚ Reactive Streamsã«ã¤ã„ã¦ã¯Akkaã®ã‚³ãƒŸãƒƒã‚¿ã§ã‚ã‚‹Konrad Malawskiã•ã‚“ã®ä»¥ä¸‹ã®ã‚¹ãƒ©ã‚¤ãƒ‰ãŒã¨ã¦ã‚‚ã‚ã‹ã‚Šã‚„ã™ã„ã§ã™ã€‚ 2014 akka-streams-tokyo-japanese from Konrad Malawski ã‚¹ãƒˆãƒªãƒ¼ãƒ å‡¦ç†ï¼ˆã¨ã„ã†ã‹éžåŒæœŸãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°å…¨èˆ¬ã«è¨€ãˆã‚‹ã“ã¨ã§ã™ãŒï¼‰ã§ã¯å—ä¿¡å´ã®å‡¦ç†èƒ½åŠ›ã‚’è¶…ãˆã‚‹ãƒ‡ãƒ¼ã‚¿ã‚’é€ä¿¡ã—ç¶šã‘ã‚‹ã¨ã„ãšã‚Œã‚ãƒ£ãƒ‘ã‚·ãƒ†ã‚£ã‚’è¶…ãˆã¦ã‚ªãƒ¼ãƒãƒ¼ãƒ•ãƒãƒ¼ãŒç™ºç”Ÿã—ã¦ã—ã¾ã†ãŸã‚ã€é€ä¿¡å´ã«æ¯”ã¹ã¦å—ä¿¡å´ã®å‡¦ç†èƒ½åŠ›ãŒä½Žã„å ´åˆã¯é€ä¿¡å´ãŒæ‰‹åŠ æ¸›ã—ã¦ãƒ‡ãƒ¼ã‚¿ã‚’é€ä¿¡ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ãª
higed 2019/11/11
éžåŒæœŸ

reactive streams

reactive
ãƒªãƒ³ã‚¯
Node.js ã«ãŠã‘ã‚‹ Promise ã‚’ä½¿ã£ãŸä¾‹å¤–å‡¦ç† - from scratch
ã•ã¦ã€ Node.js ã®ã‚¨ãƒ©ãƒ¼ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã¯é›£ã—ã„ã¨è¨€ã‚ã‚Œã¦ã¾ã™ãŒã€ 2016å¹´ç¾åœ¨ã€ã¤ã¾ã‚ŠNodeã® v4 ã¨ã‹ v6 ãŒä¸»æµã«ãªã‚Šã€ Promise ãŒåŸºæœ¬çš„ãªå‡¦ç†ã¨ã—ã¦æŽ¡ç”¨ã•ã‚Œã¦ã„ã‚‹çŠ¶æ³ã§ã¯ã©ã†ã§ã—ã‚‡ã†ã‹ã€‚ã¡ã‚‡ã£ã¨è€ƒãˆã¦ã¿ã¾ã™ã€‚ ä¸€å¿œã“ã‚Œã®è£œè¶³ã§ã™ã€‚ qiita.com TL;DR æœªã ã«é›£ã—ã„ã€‚ãŸã ã—ã€ Promise ã§æ”¹å–„ã•ã‚Œã¦ã„ã‚‹ã€‚async-await ã‚„ zone ã¾ã§æ¥ãŸã‚‰ã‹ãªã‚Šæ¥½ã«ãªã‚‹ã€‚ ã‚ã¨ã€ unhandledRejection ãŒ uncaughtException ã‚ˆã‚Šã‚‚é…·ã„ã“ã¨ã«ãªã‚‰ãªã„ã®ã§ã€å¤§åˆ†ãƒžã‚·ã«ãªã£ã¦ã„ã‚‹ã€‚ Node.js ã®ã‚¨ãƒ©ãƒ¼ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã®é›£ã—ã• ã¾ãš JavaScript ã«ã¯åŒæœŸã¨éžåŒæœŸã®ã‚¨ãƒ©ãƒ¼ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã®ã‚„ã‚Šæ–¹ãŒã‚ã‚Šã¾ã™ã€‚å‰è€…ã¯æ‰€è¬‚ try-catch ã«ã‚ˆã‚‹æ–¹æ³•ã€å¾Œè€…ã¯ callback ã‚’ä½¿ã£ã¦ç¬¬ä¸€å¼•æ•°ã§å®Ÿç¾ã™ã‚‹æ–¹æ³•ã‚„ em it(
higed 2016/07/12
Promise

éžåŒæœŸ

node.js

ä¾‹å¤–å‡¦ç†
ãƒªãƒ³ã‚¯
ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿ã®è§£èª¬ã¨éžåŒæœŸã¸ã®é©ç”¨ - Block Rockinâ€™ Codes
update 2014-01-16 ã”æŒ‡æ‘˜é ‚ã„ãŸã®ã§ä¿®æ£ã—ã¾ã—ãŸã€‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ï¼ @Jxck_ å‹•ç”»ã™ã”ãã‚ã‹ã‚Šã‚„ã™ã‹ã£ãŸï¼ä¸€å€‹ã€é‡ç®±ã®éš…ã£ã“ãªã‚“ã ã‘ã©ã€converté–¢æ•°ã®applyã—ã¦ã‚‹ã¨ã“ã‚ã€fn.apply(fn, args) ã«ãªã£ã¦ã‚‹ã‘ã© fn.apply(this, args) ãŒæ£ã—ã„æ°—ãŒã—ã¾ã—ãŸï¼â€” Kazuhito Hokamura (@hokaccha) 2014, 1æœˆ 13 https://gist.github.com/Jxck/8380852 ã¯ä¿®æ£æ¸ˆã¿ã§ã™ã€‚å‹•ç”»ã®å–ã‚Šç›´ã—ã¯å‹˜å¼ã—ã¦ä¸‹ã•ã„(æ±— - fn.apply(fn, args); + fn.apply(this, args); intro ã‚ã‘ã¾ã—ã¦ãŠã‚ã§ã¨ã†ã”ã–ã„ã¾ã™ã€‚ ä»Šå¹´ã‹ã‚‰ã¯ã¦ãªãƒ–ãƒã‚°ã¸ç§»è¡Œã—ã¾ã—ãŸã€‚ åŽ»å¹´æœ«ãã‚‰ã„ã‹ã‚‰æµè¡Œã£ã¦ã„ã‚‹ Express ã®å¾Œç¶™ Koa ã§ã¯ JS ã®æ–°æ©Ÿèƒ½ã‚¸ã‚§
higed 2015/12/09
éžåŒæœŸ

javascript

node.js

generator
ãƒªãƒ³ã‚¯
node.jsã‚’æ”¯ãˆã‚‹libuvã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«"uvbook" :åŸºç¤Ž - è‡ªç”±èª²é¡Œ
ã“ã®æ–‡æ›¸ã¯uvbookã®æ—¥æœ¬èªžç¿»è¨³ã®ä¸€éƒ¨ã¨ãªã‚Šã¾ã™ã€‚æ–‡æ›¸ãã®ã‚‚ã®ã®èª¬æ˜Žãã®ä»–ã«ã¤ã„ã¦ã¯ç›®æ¬¡ã‚’ã”è¦§ãã ã•ã„ã€‚ libuvã®åŸºç¤Ž libuvã¯ éžåŒæœŸã€ ã‚¤ãƒ™ãƒ³ãƒˆé§†å‹• ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚¹ã‚¿ã‚¤ãƒ«ã‚’å¼·åˆ¶ã—ã¾ã™ã€‚ libuvã®ä¸å¿ƒçš„ãªæ©Ÿèƒ½ã¯ã‚¤ãƒ™ãƒ³ãƒˆãƒ«ãƒ¼ãƒ—ã¨I/Oã¨ä»–ã®æ´»å‹•(activity)ã®é€šçŸ¥ã‚’ãƒ™ãƒ¼ã‚¹ã«ã—ãŸã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã‚’æä¾›ã™ã‚‹ã“ã¨ã§ã™ã€‚libuvã¯ã‚¿ã‚¤ãƒžã®ã‚ˆã†ãªãƒ¦ãƒ¼ãƒ†ã‚£ãƒªãƒ†ã‚£ã€ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚°ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ã‚µãƒãƒ¼ãƒˆã€éžåŒæœŸã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã€åãƒ—ãƒã‚»ã‚¹ç‰ã‚’æä¾›ã—ã¾ã™ã€‚ ã‚¤ãƒ™ãƒ³ãƒˆãƒ«ãƒ¼ãƒ— ã‚¤ãƒ™ãƒ³ãƒˆé§†å‹•ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ãŠã„ã¦ã¯ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¯ç‰¹å®šã®ã‚¤ãƒ™ãƒ³ãƒˆã«å¯¾ã™ã‚‹èˆˆå‘³ã‚’è¡¨æ˜Žã—ã€ãã®ã‚¤ãƒ™ãƒ³ãƒˆãŒç™ºç”Ÿã—ãŸæ™‚ã«ã“ã‚Œã‚‰ã«åå¿œã—ã¾ã™ã€‚OSã‹ä»–ã®ç™ºç”Ÿæºã‹ã‚‰ã‚¤ãƒ™ãƒ³ãƒˆã‚’åŽé›†ã™ã‚‹è²¬ä»»ã¯libuvã«ã‚ˆã£ã¦å–ã‚Šæ‰±ã‚ã‚Œã€ãƒ¦ãƒ¼ã‚¶ã¯ã‚¤ãƒ™ãƒ³ãƒˆãŒç™ºç”Ÿã—ãŸæ™‚ã«å®Ÿè¡Œã•ã‚Œã‚‹ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã‚’ç™»éŒ²ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ã‚¤ãƒ™ãƒ³ãƒˆ
higed 2015/11/08
node.js

éžåŒæœŸ

libuv
ãƒªãƒ³ã‚¯
ä¾å˜ã™ã‚‹ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚‚è§£æ±ºã§ãã‚‹ Node/AMD (ã‚µãƒ¼ãƒï¼ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ) å…±é€šåŒ–ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’æ›¸ã
ã“ã®ã‚¨ãƒ³ãƒˆãƒªã¯ã€ æ±äº¬Nodeå¦åœ’ç¥ 2012 ã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ 5æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ â– å‰ç½®ã - AMD ã¨ã¯ AMD (Asynchronous Module Definition) ã¯ã€Javascript ã®ã‚³ãƒ¼ãƒ‰ã‚’ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¨ã—ã¦å®šç¾©ã—ã¦ã€éžåŒæœŸãªã„ã—é…å»¶ãƒãƒ¼ãƒ‰ã™ã‚‹ãŸã‚ã®ä»•çµ„ã¿ã§ã™ã€‚ http://wiki.commonjs.org/wiki/Modules/AsynchronousDefinition (ç¾åœ¨ã€æŽ¥ç¶šãŒé…ã„æ¨¡æ§˜) CommonJS ã«ã‚ˆã‚Šæå”±ã•ã‚ŒãŸã‚‚ã®ã§ã™ãŒã€æ˜¨å¹´ã‚ãŸã‚Šã‹ã‚‰ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚µã‚¤ãƒ‰ (ãƒ–ãƒ©ã‚¦ã‚¶) ã§ JavaScript ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’æ§‹ç¯‰ã™ã‚‹ä»•çµ„ã¿ã¨ã—ã¦å„æ‰€ã§ä¸€æ°—ã«å–ã‚Šä¸Šã’ã‚‰ã‚Œã€ç¾åœ¨ã§ã¯ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚µã‚¤ãƒ‰ã®ä¸»è¦ãªãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã‚‚ã‚µãƒãƒ¼ãƒˆã•ã‚Œã¦ãã¦ã„ã‚‹ï¼ˆAMD ã«ã‚ˆã‚‹ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¨ã—ã¦åˆ©ç”¨ã§ãã‚‹ï¼‰çŠ¶æ…‹ã«ã‚ã‚Šã¾ã™ã€‚ ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã«ä¾å˜æ€§ã‚’æŒ‡å®šã™ã‚‹ä»•çµ„ã¿ã‚‚ç”¨æ„
higed 2014/12/29
JavaScript

AMD

node.js

éžåŒæœŸ
ãƒªãƒ³ã‚¯
1