{"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\/hr\/blog\/news\/zachem-vam-uchit-go","title":{"rendered":"Za\u0161to biste trebali u\u010diti Go","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Za\u0161to biste trebali u\u010diti 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\">Izvor slike<\/a><\/noindex><\/p>\n<p><\/p>\n<p>Go je relativno mladi, ali popularan programski jezik. Prema\u00a0<noindex><a rel=\"nofollow\" href=\"https:\/\/insights.stackoverflow.com\/survey\/2018\/\">podacima ankete<\/a><\/noindex> Stack Overflow, upravo je Golang osvojio tre\u0107e mesto na listi programskih jezika koje bi programeri \u017eeleli da savladaju. U ovom \u010dlanku poku\u0161at \u0107emo da istra\u017eimo razloge popularnosti Go-a, kao i da pogledamo gde se ovaj jezik koristi i za\u0161to ga uop\u0161te treba u\u010diti.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3 id=\"nemnogo-istorii\">Malo povijesti<\/h3>\n<p><\/p>\n<p>Programsko jezika Go stvorila je kompanija Google. U stvari, puno ime mu je Golang \u2013 izvedeno od \u201eGoogle language\u201c. Iako je u najavi jezik nazvan mladim, ove godine puni deset godina.<\/p>\n<p><\/p>\n<p>Cilj koji su postavili kreatori Go-a bio je razviti jednostavan i efikasan programski jezik koji bi se mogao koristiti za kreiranje kvalitetnog softvera. Rob Pike, jedan od kreatora Go-a, izjavio je da je Go razvijen za programere u kompaniji koji su relativno nedavno zavr\u0161ili \u0161kolovanje i poznaju Java, C, C++ ili Python. Go je za njih jezik s kojim se brzo mo\u017ee u\u0107i u trag i kojem se brzo prilago\u0111ava.<\/p>\n<p><\/p>\n<p>Izvorno je bio alat unutar Google-a, ali s vremenom je iza\u0161ao iz zida korporacije i postao javno dobro.<\/p>\n<p><\/p>\n<h3 id=\"preimuschestva-yazyka\">Prednosti jezika<\/h3>\n<p><\/p>\n<p>Golang ima brojne prednosti, kako poznate, tako i manje poznate.<\/p>\n<p><\/p>\n<p><strong>Jednostavnost.<\/strong> U stvari, to je bila glavna svrha stvaranja jezika, i to je uspe\u0161no postignuto. Go ima dovoljno jednostavnu sintaksu (uz odre\u0111ena odstupanja), tako da se aplikacije mogu razvijati br\u017ee nego na nekim drugim jezicima. I ovde postoje dva zanimljiva aspekta.<\/p>\n<p><\/p>\n<p>Prvo, Golang mo\u017ee prili\u010dno brzo da savlada potpun novice u programiranju \u2013 onaj ko ne zna ni jedan jezik i samo se sprema da postane programer. O Go-u se mo\u017ee re\u0107i da je gotovo jednako jednostavan (relativno, naravno), kao PHP ili \u010dak Pascal, ali je isto tako sna\u017ean kao C++.<\/p>\n<p><\/p>\n<p>Drugo, Go mo\u017ee savladati ve\u0107 \u201eformirani programer\u201c, onaj ko ve\u0107 zna jedan ili vi\u0161e jezika. Naj\u010de\u0161\u0107e programeri u\u010de Go nakon \u0161to savladaju Python ili PHP. Tako\u0111e, neki programeri uspe\u0161no koriste kombinaciju Python\/Go ili PHP\/Go.<\/p>\n<p><\/p>\n<p><strong>Veliki broj biblioteka.<\/strong> Ako vam nedostaje neka funkcionalnost u Go, mo\u017eete se poslu\u017eiti jednom od mnogih biblioteka i ostvariti potrebni zadatak. Go ima jo\u0161 jednu prednost \u2013 mo\u017ee se bez problema komunicirati s bibliotekama jezika C. Postoji \u010dak mi\u0161ljenje da su Go biblioteke kontejneri za C biblioteke.<\/p>\n<p><\/p>\n<p><strong>\u010cisto\u0107a koda.<\/strong> Go kompajler omogu\u0107ava odr\u017eavanje koda \u201e\u010distim\u201c. Na primjer, neiskori\u0161tene varijable smatraju se gre\u0161kom u kompajliranju. U Go-u se ve\u0107ina problema sa formatiranjem rje\u0161ava. To se \u010dini, na primjer, pomo\u0107u programa gofmt prilikom spremanja ili kompajliranja. Formatiranje se automatski ispravlja. Vi\u0161e informacija o tome mo\u017eete prona\u0107i u vodi\u010du. <noindex>Efektivno<\/noindex>.<\/p>\n<p><\/p>\n<p><strong>Statisti\u010dka tipizacija.<\/strong> Jo\u0161 jedna prednost Go-a koja smanjuje vjerojatnost pogre\u0161ke od strane programera. Da, prvih nekoliko dana programer naviknut na dinami\u010dku tipizaciju mo\u017ee biti frustriran potrebom da proglasi tip za svaku varijablu i funkciju, kao i za sve ostalo. No potom postaje jasno da su ovdje same prednosti.<\/p>\n<p><\/p>\n<p><strong><noindex><a rel=\"nofollow\" href=\"https:\/\/godoc.org\/\">GoDoc<\/a><\/noindex><\/strong>. Alat koji vrlo zna\u010dajno pojednostavljuje dokumentiranje koda. Velika prednost GoDoc-a je ta \u0161to ne koristi dodatne jezike poput JavaDoc, PHPDoc ili JSDoc. Alat koristi maksimalnu koli\u010dinu informacija koju izvla\u010di iz dokumentiranog koda.<\/p>\n<p><\/p>\n<p><b>Odr\u017eavanje koda.<\/b> Jednostavno je odr\u017eavati ga zahvaljuju\u0107i jednostavnom i sa\u017eetom sintakti\u010dkom obliku. Sve ovo je naslije\u0111e Google-a. Budu\u0107i da korporacija ima ogromnu koli\u010dinu koda za razne softverske proizvode, kao i desetke tisu\u0107a programera koji se time bave, pojavljuje se problem odr\u017eavanja. Kod mora biti razumljiv svima koji na njemu rade, dobro dokumentiran i sa\u017eet. Sve to je mogu\u0107e s Go-om.<\/p>\n<p><\/p>\n<p>U Golangu nema klasa (imamo strukture), nema podr\u0161ke za naslje\u0111ivanje, \u0161to zna\u010dajno pojednostavljuje promjenu koda. Osim toga, nema izuzetaka, anotacija i sli\u010dno.<\/p>\n<p><\/p>\n<h3 id=\"chto-mozhno-napisat-nanbspgo\">\u0160to se mo\u017ee napisati na Go-u<\/h3>\n<p><\/p>\n<p>Prakti\u010dki sve, osim nekih aspekata (na primjer, razvoj povezan s ma\u0161inskim u\u010denjem \u2013 ovdje je ipak bolje koristiti Python s niskonivojskim optimizacijama na C\/C++ i CUDA).<\/p>\n<p><\/p>\n<p>Sve ostalo mo\u017ee se napisati, a to je posebno aktualno kada su u pitanju web servisi. Osim toga, na Go se isplati razvijati aplikacije kako za krajnje korisnike, tako i za razvoj demona, UI; tako\u0111er je prikladan za multiplatformske aplikacije i servise.<\/p>\n<p><\/p>\n<h3 id=\"vostrebovannost-golang\">Potra\u017enja za Golangom<\/h3>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Za\u0161to biste trebali u\u010diti Go\" src=\"\/wp-content\/uploads\/2019\/04\/225ef16982817979250a6a8a9f5fe7cb.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nS vremenom je jezik postao sve tra\u017eeniji. Osim tvrtki koje se nalaze na slici iznad, s Golangom rade Mail.ru Group, Avito, Ozon, Lamoda, BBC, Canonical i drugi.<\/p>\n<p><\/p>\n<p>\u201eOdlu\u010dili smo skalirati posao, va\u017eno nam je izgraditi potpuno novu tehnolo\u0161ku platformu koja \u0107e omogu\u0107iti brzi razvoj proizvoda. Oslanjamo se na Go zbog njegove brzine i pouzdanosti, a najva\u017enije je da imamo programersku publiku koja ga koristi\u201c, izjavili su predstavnici Ozon-a 2018. godine, nakon \u0161to je tvrtka donijela odluku o prelasku na Golang.<\/p>\n<p><\/p>\n<p>A \u0161to je s prihodima? Pla\u0107a Go programera pro\u0161le godine iznosila je u prosjeku 60-140 tisu\u0107a rubalja, <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/moikrug\/blog\/420391\/\">podacima<\/a><\/noindex> \u201eMoj Krug\u201c. U usporedbi s 2017. godinom, taj je pokazatelj porastao za 8,3%. U 2019. godini, vjerojatno \u0107e se rast nastaviti, jer je potra\u017enja za Golang programerima vrlo velika.<\/p>\n<p><\/p>\n<h3 id=\"chto-dalshe\">\u0160to dalje?<\/h3>\n<p><\/p>\n<p>Razvoj Golanga sigurno se ne\u0107e zaustaviti. Potra\u017enja za dobrim stru\u010dnjacima koji poznaju ovaj jezik samo \u0107e rasti, stoga \u0107e specijalisti (bilo novaci ili profesionalci) lako prona\u0107i posao. U na\u010delu, ova tvrdnja vrijedi i sada, budu\u0107i da na tr\u017ei\u0161tu IT-a postoji stalni nedostatak programera.<\/p>\n<p><\/p>\n<p>Go je dobar kako za po\u010detnike programere, tako i za profesionalce koji ve\u0107 poznaju jedan ili vi\u0161e programskih jezika. Svaki programer mo\u017ee ga nau\u010diti ili prekvalificirati se.<\/p>\n<p><\/p>\n<p>\u010clanak je pripremljen u suradnji s nastavnikom <noindex><a rel=\"nofollow\" href=\"https:\/\/geekbrains.ru\/geek_university\/golang\">te\u010daja Golang<\/a><\/noindex> u GeekBrainsu, za \u0161to mu velika hvala!<\/p>\n<p>Izvor: <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-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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\/hr\/blog\/news\/zachem-vam-uchit-go\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"hr_HR\" \/>\n\t\t<meta 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