{"id":53599,"date":"2019-12-05T00:00:00","date_gmt":"2019-12-04T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/samyj-populyarnyj-primer-java-koda-na-stackoverflow-okazalsya-s-oshibkoj"},"modified":"2020-02-18T14:01:31","modified_gmt":"2020-02-18T11:01:31","slug":"samyj-populyarnyj-primer-java-koda-na-stackoverflow-okazalsya-s-oshibkoj","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/samyj-populyarnyj-primer-java-koda-na-stackoverflow-okazalsya-s-oshibkoj","title":{"rendered":"K\u00f5ige populaarsem Java-koodi n\u00e4ide StackOverflow's osutus veaga","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>K\u00f5ige populaarsem <noindex><a rel=\"nofollow\" href=\"https:\/\/stackoverflow.com\/questions\/3758606\/how-to-convert-byte-size-into-human-readable-format-in-java\/3758880#3758880\">Java koodi n\u00e4ide<\/a><\/noindex>, mis avaldati StackOverflow's, <noindex><a rel=\"nofollow\" href=\"https:\/\/programming.guide\/worlds-most-copied-so-snippet.html\">osutus<\/a><\/noindex> veaga, mis p\u00f5hjustab teatud tingimustes vale tulemuse. Arutletud kood pandi veebilehele 2010. aastal ja sai \u00fcle tuhande soovituse, samuti oli see <noindex><a rel=\"nofollow\" href=\"https:\/\/arxiv.org\/pdf\/1802.02938.pdf\">kopeeritud<\/a><\/noindex> paljusid projekte ja leiti GitHub'i hoidlatest umbes 7000 korda. Oluline on, et vea leidis mitte koodi kopeerinud kasutajad, vaid algne autor.<\/p>\n<p>Arutletud kood teisendas baitide suuruse loetavaks vormiks, n\u00e4iteks 110592 teisendades &#171;110.6 kB&#187; v\u00f5i &#171;108.0 KiB&#187;. Kood t\u00f6\u00f6tati v\u00e4lja kui optimeeritud, kasutades logaritme, eelnevalt pakutud n\u00f5uande asemel, kus suurus m\u00e4\u00e4rati l\u00e4htesumma j\u00e4rjestikuse jagamise teel 1018, 1015, 1012, 1019.<br \/>\n106, 103 ja 100, kuni jagaja oli suurem kui sisendv\u00e4\u00e4rtus baitides. Eba\u00f5iged arvutused optimeeritud versioonis (long t\u00fc\u00fcbi \u00fcleujutus) viisid selleni, et v\u00e4ga suurte numbrite (eksabait) t\u00f6\u00f6tlemisel ei vastanud tulemus t\u00f5ele. <\/p>\n<p>Selle n\u00f5uande autor p\u00fc\u00fcdis ka juhtida t\u00e4helepanu probleemile, et kopeerides n\u00e4iteid ilma allika viiteta ja ilma litsentsita. Varasemate andmete kohaselt <noindex><a rel=\"nofollow\" href=\"https:\/\/empirical-software.engineering\/assets\/pdf\/icse19-snippets-slides.pdf\">l\u00e4biviidud uuringust<\/a><\/noindex> 46% arendajatest kopeeris koodi StackOverflow'ist ilma autori m\u00e4rkimiseta, 75% ei teadnud, et kood on litsentsitud CC BY-SA alusel, ja 67% ei teadnud, et see t\u00e4hendab autorsuse m\u00e4rkimise vajadust.<\/p>\n<p>Ajal <noindex><a rel=\"nofollow\" href=\"https:\/\/arxiv.org\/pdf\/1910.01321.pdf\">andmete<\/a><\/noindex> teise uuringu kohaselt on koodi n\u00e4idete kopeerimine seotud mitte ainult vea esinemise riskiga, vaid ka haavatavustega. N\u00e4iteks, anal\u00fc\u00fcsides StackOverflow's 72483 C++ koodi n\u00e4idet, tuvastasid uurijad t\u00f5sised haavatavused 69 n\u00e4ites (mis moodustab 0,09%), mis on nimekirjas k\u00f5ige populaarsematest soovitustest. Seej\u00e4rel GitHub'is anal\u00fc\u00fcsides leiti, et StackOverflow'ist kopeeritud haavatav kood esines 2859 projektis.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51982\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0430\u043c\u044b\u0439 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 Java-\u043a\u043e\u0434\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 StackOverflow, \u043e\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u0441 \u043e\u0448\u0438\u0431\u043a\u043e\u0439, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0432\u044b\u0432\u043e\u0434\u0443 \u043f\u0440\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u043d\u0435\u0432\u0435\u0440\u043d\u043e\u0433\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430. \u0420\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u043a\u043e\u0434 \u0431\u044b\u043b \u0440\u0430\u0437\u043c\u0435\u0449\u0451\u043d \u0432 2010 \u0433\u043e\u0434\u0443 \u0438 \u043d\u0430\u043a\u043e\u043f\u0438\u043b \u0431\u043e\u043b\u0435\u0435 \u0442\u044b\u0441\u044f\u0447\u0438 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0431\u044b\u043b \u0441\u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d \u0432\u043e \u043c\u043d\u043e\u0433\u0438\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u044b \u0438 \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f\u0445 \u043d\u0430 GitHub \u043e\u043a\u043e\u043b\u043e 7 \u0442\u044b\u0441\u044f\u0447 \u0440\u0430\u0437. \u041f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0447\u0442\u043e \u043e\u0448\u0438\u0431\u043a\u0443 \u043d\u0430\u0448\u043b\u0438 \u043d\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438, \u043a\u043e\u043f\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53599","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com 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