{"id":31082,"date":"2019-10-31T21:39:21","date_gmt":"2019-10-31T18:39:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/zachem-vam-uchit-go\/"},"modified":"2019-10-31T21:39:21","modified_gmt":"2019-10-31T18:39:21","slug":"zachem-vam-uchit-go","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/zachem-vam-uchit-go","title":{"rendered":"Perch\u00e9 dovreste imparare Go","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Perch\u00e9 dovreste imparare Go\" src=\"\/wp-content\/uploads\/2019\/04\/76856ea21f876fe925bcb0c5432c777c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ashleymcnamara\/gophers\">Fonte dell'immagine<\/a><\/noindex><\/p>\n<p><\/p>\n<p>Go \u00e8 un linguaggio di programmazione relativamente giovane, ma popolare. Secondo\u00a0<noindex><a rel=\"nofollow\" href=\"https:\/\/insights.stackoverflow.com\/survey\/2018\/\">i dati di un sondaggio<\/a><\/noindex> di Stack Overflow, Golang ha ottenuto il terzo posto nella classifica dei linguaggi di programmazione che gli sviluppatori vorrebbero imparare. In questo articolo cercheremo di comprendere le ragioni della popolarit\u00e0 di Go, oltre a vedere dove viene utilizzato e perch\u00e9 vale la pena studiarlo.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3 id=\"nemnogo-istorii\">Un po' di storia<\/h3>\n<p><\/p>\n<p>Il linguaggio di programmazione Go \u00e8 stato creato da Google. In effetti, il suo nome completo, Golang, deriva da \u201cGoogle language\u201d. Anche se all'annuncio il linguaggio \u00e8 stato definito giovane, quest'anno compie gi\u00e0 dieci anni.<\/p>\n<p><\/p>\n<p>L'obiettivo dei creatori di Go era sviluppare un linguaggio di programmazione semplice ed efficace, che potesse essere utilizzato per creare software di qualit\u00e0. Rob Pike, uno dei creatori di Go, ha affermato che Go \u00e8 stato progettato per programmatori che hanno recentemente concluso i loro studi e conoscono Java, C, C++ o Python. Go \u00e8 un linguaggio in cui ci si pu\u00f2 orientare rapidamente e al quale ci si abitua facilmente.<\/p>\n<p><\/p>\n<p>Originariamente era uno strumento interno di Google, ma col passare del tempo \u00e8 uscito dai confini dell'azienda ed \u00e8 diventato patrimonio pubblico.<\/p>\n<p><\/p>\n<h3 id=\"preimuschestva-yazyka\">Vantaggi del linguaggio<\/h3>\n<p><\/p>\n<p>Golang offre numerosi vantaggi, sia noti che meno conosciuti.<\/p>\n<p><\/p>\n<p><strong>Semplicit\u00e0.<\/strong> Infatti, questo era l'obiettivo principale per cui il linguaggio \u00e8 stato creato, ed \u00e8 stato raggiunto. Go ha una sintassi relativamente semplice (con alcune eccezioni), il che consente di sviluppare applicazioni pi\u00f9 rapidamente rispetto ad altri linguaggi. Ci sono due aspetti interessanti.<\/p>\n<p><\/p>\n<p>In primo luogo, Golang pu\u00f2 essere appreso rapidamente da un completo principiante in programmazione: qualcuno che non conosce alcun linguaggio e sta appena iniziando a diventare uno sviluppatore. Si pu\u00f2 affermare che Go \u00e8 quasi altrettanto semplice (relativamente parlando) quanto PHP o persino Pascal, ma altrettanto potente quanto C++.<\/p>\n<p><\/p>\n<p>In secondo luogo, Go pu\u00f2 essere appreso anche da un programmista gi\u00e0 esperto, che conosce gi\u00e0 uno o pi\u00f9 linguaggi. Spesso, gli sviluppatori imparano Go dopo aver acquisito familiarit\u00e0 con Python o PHP. Inoltre, alcuni programmatori utilizzano con successo la combinazione Python\/Go o PHP\/Go.<\/p>\n<p><\/p>\n<p><strong>Una vasta gamma di librerie.<\/strong> Se ti manca una funzionalit\u00e0 in Go, puoi utilizzare una delle numerose librerie per ottenere il risultato desiderato. Un altro vantaggio di Go \u00e8 la sua capacit\u00e0 di interagire senza problemi con le librerie del linguaggio C. Alcuni sostengono che le librerie Go siano per lo pi\u00f9 avvolgimenti per le librerie C.<\/p>\n<p><\/p>\n<p><strong>Pulizia del codice.<\/strong> Il compilatore Go consente di mantenere il codice \u00abpulito\u00bb. Ad esempio, le variabili non utilizzate vengono considerate errori di compilazione. La maggior parte dei problemi di formattazione viene risolta in Go. Questo avviene, ad esempio, tramite il programma gofmt durante il salvataggio o la compilazione. La formattazione viene corretta automaticamente. Puoi saperne di pi\u00f9 in questo tutorial. <noindex>Efficace<\/noindex>.<\/p>\n<p><\/p>\n<p><strong>Tipizzazione statica.<\/strong> Un ulteriore vantaggio di Go, che riduce la probabilit\u00e0 di errori da parte degli sviluppatori. S\u00ec, nei primi giorni un programmatore abituato alla tipizzazione dinamica pu\u00f2 irritarsi per la necessit\u00e0 di dichiarare il tipo per ogni variabile e funzione, cos\u00ec come per tutto il resto. Ma poi diventa chiaro che ci sono solo vantaggi.<\/p>\n<p><\/p>\n<p><strong><noindex><a rel=\"nofollow\" href=\"https:\/\/godoc.org\/\">GoDoc<\/a><\/noindex><\/strong>. Uno strumento che semplifica notevolmente la documentazione del codice. Un grande vantaggio di GoDoc \u00e8 che non utilizza linguaggi aggiuntivi come JavaDoc, PHPDoc o JSDoc. Lo strumento utilizza la massima quantit\u00e0 di informazioni estratte dal codice documentato.<\/p>\n<p><\/p>\n<p><b>Manutenzione del codice.<\/b> \u00c8 facile da mantenere proprio grazie alla sua sintassi semplice e concisa. Tutto ci\u00f2 \u00e8 un'eredit\u00e0 di Google. Poich\u00e9 la corporation dispone di una grande quantit\u00e0 di codice per vari prodotti software e di decine di migliaia di sviluppatori che vi lavorano, sorge il problema della manutenzione. Il codice deve essere comprensibile a tutti coloro che ci lavorano, ben documentato e conciso. Tutto questo \u00e8 possibile con Go.<\/p>\n<p><\/p>\n<p>In Golang non ci sono classi (ci sono strutture, struct), non c'\u00e8 supporto per l'ereditariet\u00e0, il che semplifica notevolmente le modifiche al codice. Inoltre, non ci sono eccezioni, annotazioni, ecc.<\/p>\n<p><\/p>\n<h3 id=\"chto-mozhno-napisat-nanbspgo\">Cosa si pu\u00f2 scrivere in Go<\/h3>\n<p><\/p>\n<p>Praticamente tutto, ad eccezione di alcune aree (ad esempio, sviluppo legato al machine learning - qui \u00e8 meglio utilizzare Python, con ottimizzazioni a basso livello in C\/C++ e CUDA).<\/p>\n<p><\/p>\n<p>Tutto il resto pu\u00f2 essere scritto, in particolare per quanto riguarda i servizi web. Inoltre, su Go si possono sviluppare applicazioni sia per l'utente finale che per la creazione di demoni; \u00e8 adatto per applicazioni e servizi multipiattaforma.<\/p>\n<p><\/p>\n<h3 id=\"vostrebovannost-golang\">Richiesta di Golang<\/h3>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Perch\u00e9 dovreste imparare Go\" src=\"\/wp-content\/uploads\/2019\/04\/225ef16982817979250a6a8a9f5fe7cb.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nCon il passare del tempo, il linguaggio sta diventando sempre pi\u00f9 richiesto. Oltre alle aziende gi\u00e0 presenti nell'immagine sopra, Golang \u00e8 utilizzato da Mail.ru Group, Avito, Ozon, Lamoda, BBC, Canonical e altre.<\/p>\n<p><\/p>\n<p>\u00abAbbiamo deciso di scalare il business, \u00e8 importante per noi costruire una piattaforma tecnologica completamente nuova che assicuri un rapido sviluppo del prodotto. Puntiamo su Go per la sua velocit\u00e0 e affidabilit\u00e0, e soprattutto per il pubblico di programmatori che lo utilizza\u00bb, hanno dichiarato i rappresentanti di Ozon nel 2018, dopo che l'azienda ha deciso di passare a Golang.<\/p>\n<p><\/p>\n<p>E per quanto riguarda i redditi? Lo stipendio di un sviluppatore Go lo scorso anno \u00e8 stato in media di 60-140 mila rubli secondo <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/moikrug\/blog\/420391\/\">i dati<\/a><\/noindex> \u00abMojego Kruga\u00bb. Rispetto al 2017, questa cifra \u00e8 aumentata dell'8,3%. Nel 2019, probabilmente continuer\u00e0 la crescita, poich\u00e9 gli sviluppatori Golang sono molto richiesti da molte aziende.<\/p>\n<p><\/p>\n<h3 id=\"chto-dalshe\">E ora?<\/h3>\n<p><\/p>\n<p>Non ci fermeremo nello sviluppo di Golang. La domanda di buoni specialisti che conoscono questo linguaggio crescer\u00e0, quindi sar\u00e0 facile per un professionista (sia principianti che esperti) trovare lavoro. In effetti, questa affermazione \u00e8 valida anche ora, poich\u00e9 nel mercato IT c'\u00e8 una costante carenza di sviluppatori.<\/p>\n<p><\/p>\n<p>Go \u00e8 eccellente sia per i programmatori principianti che per i professionisti che gi\u00e0 conoscono uno o pi\u00f9 linguaggi di programmazione. Quasi ogni programmatore pu\u00f2 impararlo o riconvertirsi.<\/p>\n<p><\/p>\n<p>L'articolo \u00e8 stato preparato insieme all'insegnante <noindex><a rel=\"nofollow\" href=\"https:\/\/geekbrains.ru\/geek_university\/golang\">del corso Golang<\/a><\/noindex> in GeekBrains Sergey Kruchinin, al quale va un enorme ringraziamento!<\/p>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/mailru\/blog\/446914\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u0438 Go\u00a0\u2014 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u043e\u043b\u043e\u0434\u043e\u0439, \u043d\u043e\u00a0\u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0439 \u044f\u0437\u044b\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u041f\u043e\u00a0\u0434\u0430\u043d\u043d\u044b\u043c \u043e\u043f\u0440\u043e\u0441\u0430 Stack Overflow, \u0438\u043c\u0435\u043d\u043d\u043e Golang \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0442\u0440\u0435\u0442\u044c\u0435 \u043c\u0435\u0441\u0442\u043e \u0432\u00a0\u0440\u0435\u0439\u0442\u0438\u043d\u0433\u0435 \u044f\u0437\u044b\u043a\u043e\u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0445\u043e\u0442\u0435\u043b\u0438\u00a0\u0431\u044b \u043e\u0441\u0432\u043e\u0438\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438. \u0412\u00a0\u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b\u00a0\u043f\u043e\u043f\u0440\u043e\u0431\u0443\u0435\u043c \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f \u0432\u00a0\u043f\u0440\u0438\u0447\u0438\u043d\u0430\u0445 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u043e\u0441\u0442\u0438\u00a0Go, \u0430\u00a0\u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c, \u0433\u0434\u0435 \u044d\u0442\u043e\u0442 \u044f\u0437\u044b\u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0438\u00a0\u043f\u043e\u0447\u0435\u043c\u0443 \u0435\u0433\u043e \u0432\u043e\u043e\u0431\u0449\u0435 \u0441\u0442\u043e\u0438\u0442 \u0438\u0437\u0443\u0447\u0430\u0442\u044c. \u041d\u0435\u043c\u043d\u043e\u0433\u043e \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u042f\u0437\u044b\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f\u00a0Go \u0431\u044b\u043b \u0441\u043e\u0437\u0434\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Google. \u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u0435\u0433\u043e \u043f\u043e\u043b\u043d\u043e\u0435 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 Golang\u00a0\u2014 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u043d\u043e\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":23053,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-31082","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u0438 Go \u2014 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u043e\u043b\u043e\u0434\u043e\u0439, \u043d\u043e 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\u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u0435\u0433\u043e \u043f\u043e\u043b\u043d\u043e\u0435 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 Golang \u2014 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u043d\u043e\u0435\" \/>\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\/it\/blog\/novosti-interneta\/zachem-vam-uchit-go\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"it_IT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta 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Secondo un sondaggio di Stack Overflow, Golang ha conquistato il terzo posto nella classifica dei linguaggi di programmazione che gli sviluppatori vorrebbero apprendere. In questo articolo cercheremo di capire le ragioni della popolarit\u00e0 di Go, vedremo dove viene utilizzato e perch\u00e9 valga la pena studiarlo. Un po' di storia Il linguaggio di programmazione Go \u00e8 stato creato da Google. In effetti, il suo nome completo Golang \u00e8 un derivato","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/zachem-vam-uchit-go","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0417\u0430\u0447\u0435\u043c \u0432\u0430\u043c \u0443\u0447\u0438\u0442\u044c Go | ProHoster","og:description":"\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u0438 Go \u2014 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u043e\u043b\u043e\u0434\u043e\u0439, 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