{"id":34273,"date":"2019-10-31T21:57:22","date_gmt":"2019-10-31T18:57:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/asinhronnoe-programmirovanie-polnyj-kurs\/"},"modified":"2019-10-31T21:57:22","modified_gmt":"2019-10-31T18:57:22","slug":"asinhronnoe-programmirovanie-polnyj-kurs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/asinhronnoe-programmirovanie-polnyj-kurs","title":{"rendered":"Programare asincron\u0103 (curs complet)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/playlist?list=PLHhi8ymDMrQZ0MpTsmi54OkjTbo0cjU1T\"><img decoding=\"async\" alt=\"Programare asincron\u0103 (curs complet)\" src=\"\/wp-content\/uploads\/2019\/05\/05e2e5ca44a35d173d006faafd6d18c0.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p><\/p>\n<p>Programarea asincron\u0103 a devenit \u00een ultima vreme la fel de dezvoltat\u0103 ca programarea paralel\u0103 clasic\u0103, iar \u00een lumea JavaScript, at\u00e2t \u00een browsere, c\u00e2t \u0219i \u00een Node.js, \u00een\u021belegerea tehnicilor sale a ocupat un loc central \u00een formarea viziunii dezvoltatorilor. V\u0103 propun un curs complet, cu o explica\u021bie a tuturor metodelor larg r\u0103sp\u00e2ndite de programare asincron\u0103, adaptatoare \u00eentre ele \u0219i dimensiuni auxiliare. \u00cen prezent, acesta const\u0103 din 23 de lec\u021bii, 3 prezent\u0103ri \u0219i 28 de repozitorii cu multe exemple de cod pe GitHub. \u00cen total, aproximativ 17 ore de video: <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/playlist?list=PLHhi8ymDMrQZ0MpTsmi54OkjTbo0cjU1T\">link c\u0103tre playlist<\/a><\/noindex>.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h4 id=\"poyasneniya-k-sheme\">Explica\u021bii pentru schem\u0103<\/h4>\n<p><\/p>\n<p>Schema (de mai sus) arat\u0103 leg\u0103turile dintre diferitele modalit\u0103\u021bi de a lucra cu asincronicitatea. Blocurile colorate se refer\u0103 la programarea asincron\u0103, iar cele alb-negru ilustreaz\u0103 metodele de programare paralel\u0103 (semafoare, mutexuri, bariere etc.) \u0219i re\u021belele Petri, care, la fel ca programarea asincron\u0103 \u0219i modelul actorilor, sunt diferite abord\u0103ri pentru realizarea calculului paralel (sunt incluse \u00een schem\u0103 doar pentru a determina mai precis locul program\u0103rii asincrone). Modelul actorilor este legat de programarea asincron\u0103 deoarece implementarea actorilor f\u0103r\u0103 multithreading are, de asemenea, dreptul la existen\u021b\u0103 \u0219i serve\u0219te la structurarea codului asincron. Liniile punctate leag\u0103 evenimentele \u0219i coada concurent\u0103 de callback-uri, deoarece aceste abstrac\u021bii se bazeaz\u0103 pe callback-uri, dar totu\u0219i formeaz\u0103 abord\u0103ri calitativ noi.<\/p>\n<p><\/p>\n<h4 id=\"temy-lekciy\">Temele lec\u021biilor<\/h4>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/hY6Z6qNYzmc\">1. Programare asincron\u0103 (prezentare general\u0103)<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/LK2jveAnRNg\">2. Timere, timeout-uri \u0219i EventEmitter<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/z8Hg6zgi3yQ\">3. Programarea asincron\u0103 cu callback-uri<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/wYA2cIRYLoA\">4. Iterarea asincron\u0103 non-blocant\u0103<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/XQ94wQc-erU\">5. \u0410\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e\u0441\u0442\u044c \u0441 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u043e\u0439 async.js<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/RMl4r6s1Y8M\">6. Asincronicitate cu promisiuni<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/Jdf_tZuJbHI\">7. Func\u021bii asincrone \u0219i gestionarea erorilor<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/76k6_YkYRmU\">8. Adaptatori asincroni: promisify, callbackify, asyncify<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/tgodt1JL6II\">9. Colectori de date asincroni<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/1Ml5NE2fsZ8\">10. Erori necontrolate \u00een promisiuni<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/pfiHTx3j87Y\">11. Problema stivei de asyncronicitate<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/kvNm9D32s8s\">12. Generatoare \u0219i generatoare asincrone<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/rBGFlWpVpGs\">13. Iteratori \u0219i iteratori asincroni<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/T8fXlnqI4Ws\">14. Anularea opera\u021biunilor asincrone<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/3ZCrMlMpOrM\">15. Compozi\u021bia asincron\u0103 a func\u021biilor<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/DXp__1VNIvI\">16. Thenable \u0219i await u\u0219or<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/Lg46AH8wFvg\">17. Coada asincron\u0103 concurent\u0103<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/leR5sXRkuJI\">18. Modelul Constructor deschis (Revealing Constructor)<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/22ONv3AGXdk\">19. Future: Asincronitate cu future-uri f\u0103r\u0103 stare<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/a2fVA1o-ovM\">20. Deferred: Asincronism pe difere cu st\u0103ri<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/xp5MVKEqxY4\">21. Modelul actorilor (Actor Model)<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/_bFXuLcXoXg\">22. Pattern-ul Observer (Observer + Observable)<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/0kcpMAl-wfE\">23. Asincronism pe RxJS \u0219i fluxuri de evenimente<\/a><\/noindex><\/p>\n<p><\/p>\n<p>Sub fiecare videoclip exist\u0103 linkuri c\u0103tre repozitorii cu exemple de cod, care sunt analizate \u00een videoclipuri. Am \u00eencercat s\u0103 demonstrez c\u0103 nu trebuie s\u0103 reduci totul la o singur\u0103 abstrac\u021bie a asincronismului. Nu exist\u0103 o abordare universal\u0103 pentru asincronism, iar pentru fiecare caz se pot g\u0103si metode care s\u0103 permit\u0103 scrierea unui cod mai natural pentru aceast\u0103 sarcin\u0103 specific\u0103. Desigur, acest curs va fi completat, iar eu cer tuturor s\u0103 propun\u0103 noi teme \u0219i s\u0103 contribuie la exemplele de cod. Principala sarcin\u0103 a cursului este de a ar\u0103ta cum s\u0103 construie\u0219ti abstrac\u021bii ale asincronismului din interior, nu doar s\u0103 \u00eenve\u021bi s\u0103 le folose\u0219ti. Practic toate abstrac\u021biile nu provin din biblioteci, ci sunt oferite \u00een cea mai simpl\u0103 implementare \u0219i este analizat\u0103 pas cu pas func\u021bionarea lor.<\/p>\n<p class=\"for_users_only_msg\">Numai utilizatorii \u00eenregistra\u021bi pot participa la sondaj. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Conecta\u021bi-v\u0103<\/a><\/noindex>, v\u0103 rug\u0103m.<\/p>\n<h2 class=\"default-block__polling-title\">Care este opinia dvs. despre curs?<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Voi urm\u0103ri tot cursul<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Voi urm\u0103ri selectiv<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    \u00cemi ajunge o abordare<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Voi contribui la curs<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Nu m\u0103 intereseaz\u0103 asincronismul<\/p>\n<\/li>\n<\/ul>\n<p>    8 utilizatori au votat. 1 utilizator s-a ab\u021binut.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/452974\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u0441\u0442\u0430\u043b\u043e \u043d\u0435 \u043c\u0435\u043d\u0435\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u044b\u043c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c, \u0447\u0435\u043c \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435, \u0430 \u0432 \u043c\u0438\u0440\u0435 JavaSript, \u043a\u0430\u043a \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u0445, \u0442\u0430\u043a \u0438 \u0432 Node.js, \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0435\u0433\u043e \u043f\u0440\u0438\u0435\u043c\u043e\u0432 \u0437\u0430\u043d\u044f\u043b\u043e \u043e\u0434\u043d\u043e \u0438\u0437 \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0435\u0441\u0442 \u0432 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043c\u0438\u0440\u043e\u0432\u043e\u0437\u0437\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432. \u041f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e \u0432\u0430\u0448\u0435\u043c\u0443 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044e \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u044b\u0439 \u0438 \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u043b\u043d\u044b\u0439 \u043a\u0443\u0440\u0441 \u0441 \u043e\u0431\u044a\u044f\u0441\u043d\u0435\u043d\u0438\u0435\u043c \u0432\u0441\u0435\u0445 \u0448\u0438\u0440\u043e\u043a\u043e \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0430\u0434\u0430\u043f\u0442\u0435\u0440\u043e\u0432 \u043c\u0435\u0436\u0434\u0443 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25850,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-34273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/news\/asinhronnoe-programmirovanie-polnyj-kurs\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c 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