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Uthungelwano lweTV yekhebhula abantwana abancinci. Icandelo 9: Intloko

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I-headend iqokelela iimpawu kwimithombo emininzi, isebenze kwaye isasaze kwinethiwekhi yentambo. Imixholo yoluhlu lwamanqaku Icandelo loku-1: Uyilo ngokubanzi lwenethiwekhi yeCATV Icandelo lesi-2: Ukuqulunqwa kunye nokumila kwesignali Icandelo lesi-3: Inxalenye ye-analog yecandelo lesiginali Icandelo lesi-4: Inxalenye yeDijithali yesiginali iSigaba 5: Inethiwekhi yokusasazwa kweCoaxial Icandelo 6: RF Izandisi zomqondiso Icandelo 7: Abamkeli be-Optical Icandelo 8: I-Optical […]

UziSombulula njani iiNgxaki zeNP-Hard ngeParameterized Algorithms

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Umsebenzi wophando yeyona nto inomdla kakhulu kuqeqesho lwethu. Umbono kukuzizama kwicala olikhethileyo ngelixa useyunivesithi. Umzekelo, abafundi abavela kwimimandla yeSoftware yobuNjineli kunye nokuFunda koMatshini bahlala beya kwenza uphando kwiinkampani (ngokukodwa iJetBrains okanye iYandex, kodwa kungekhona kuphela). Kule post ndiza kuthetha ngeprojekthi yam kwiSayensi yeKhompyutha. […]

I-Bitcoin idlule i-9000 yeedola okokuqala ngqa kulo nyaka

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NgeCawe ephelileyo, iBitcoin idlule i-9000 yeedola okokuqala kulo nyaka. Ngokutsho kwesixhobo seCoinMarketCap, ixesha lokugqibela ixabiso le-cryptocurrency enkulu kwimarike lalingaphezulu kwe-9000 yeedola yayingaphezulu konyaka odlulileyo, ekuqaleni kukaMeyi ka-2018. Kulo nyaka, i-Bitcoin yaqala ukufumana amandla kwakhona. Esi ayisosihlandlo sokuqala sibeka irekhodi entsha yexabiso lonyaka. Kaninzi […]

I-Yandex iya kuqeqesha abaphuhlisi beenkonzo ezisebenzayo nezithembekileyo kwiPython

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I-Yandex ibhengeze ukuqaliswa kweeprojekthi ezimbini zemfundo kubaphuhlisi be-backend abasebenzisa i-Python yolwimi lwenkqubo oluphezulu lwenjongo jikelele. Isikolo esisisigxina soPhuhliso lwe-Backend silinde abaqalayo, kwaye i-intanethi ye-intanethi kwi-Yandex.Practice yeyabaqalayo abafuna ukuqonda umsebenzi ukususela ekuqaleni. Kuqatshelwe ukuba isikolo esitsha siya kuvula iingcango zaso ekwindla eMoscow. Inkqubo yoqeqesho ithatha iinyanga ezimbini. Abafundi baya kuphulaphula [...]

I-Mail.ru iya kunceda abaphuhlisi benze i-AAA shooter ye-consoles kunye ne-studio yabo

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I-MY.GAMES, icandelo lokudlala le-Mail.ru Group, linamava abanzi ekuxhaseni nasekukhuthazeni isikhangeli esidumileyo kunye nemidlalo emincinci, eyenza ikhathalogu etyebileyo yeeprojekthi ze-intanethi zeentlobo ezahlukeneyo. Kodwa ngeli xesha iqela ligqibe kwelokuba liyise kwinqanaba elibi ngakumbi kwaye lincede abaphuhlisi abanetalente benze imovie yenqanaba lokuqala lomdlalo wokuthuthuzela. Inkampani ikulungele ukuxhasa ngemali uphuhliso lomdlalo kwaye inike iqela isitudiyo sayo […]

I-Instagram ivavanya ukwenziwa lula kweeakhawunti eziqhekekileyo

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Imithombo yenethiwekhi inika ingxelo yokuba inethiwekhi yoluntu ye-Instagram ivavanya indlela entsha yokubuyisela iiakhawunti zomsebenzisi. Ukuba ngoku kufuneka uqhagamshelane nenkonzo yokhuseleko yenethiwekhi ukubuyisela iakhawunti yakho, ngoko kwixesha elizayo le nkqubo icwangciswe ukuba ibe lula kakhulu. Ukubuyisela i-akhawunti yakho usebenzisa indlela entsha, kuya kufuneka unikezele ngolwazi lomntu siqu, kuquka inombolo yakho yeselula okanye idilesi ye-imeyile. […]

I-CERN yala iimveliso zikaMicrosoft

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IZiko loPhando ngeNyukliya laseYurophu liza kuzishiya zonke iimveliso zobunini emsebenzini walo, kwaye ikakhulu kwiimveliso zikaMicrosoft. Kwiminyaka edlulileyo, iCERN isebenzise ngokukhutheleyo iimveliso zorhwebo ezahlukeneyo ezivaliweyo kuba yenze kwalula ukufumana iingcali zeshishini. I-CERN isebenzisana nenani elikhulu leenkampani kunye namaziko, kwaye bekubalulekile kuye ukuba enze […]

I-TCP SACK Panic-ubuthathaka beKernel ekhokelela ekukhanyeni okude kwenkonzo

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Abasebenzi beNetflix bafumene ubuthathaka obuthathu kwikhowudi yokupakisha yenethiwekhi ye-TCP. Obona buthathaka bunobuzaza buvumela umhlaseli okude ukuba abangele i-kernel panic. Ii-ID ezininzi ze-CVE zinikezelwe kule miba: I-CVE-2019-11477 ichongiwe njengobuthathaka obubalulekileyo, kwaye i-CVE-2019-11478 kunye ne-CVE-2019-11479 ichongiwe njengemodareyitha. Ubuthathaka obubini bokuqala bunxulumene ne-SACK (i-Acknowledgement ekhethiweyo) kunye ne-MSS (Ubuninzi [...]

I-Flash iya kucinywa ngokungagqibekanga kwiFirefox 69

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Abaphuhlisi beMozilla bawucime umsebenzi wokudlala umxholo weFlash ngokungagqibekanga kulwakhiwo lwasebusuku lweFirefox. Ukuqala ngeFirefox 69, ecwangciselwe uSeptemba 3, ukhetho lokuvula iFlash ngokusisigxina luya kususwa kuseto lwe-Adobe Flash Player plugin kwaye ziinketho kuphela eziya kushiyelwa ukukhubaza iFlash kwaye iyenzele iisayithi ezithile (ukwenza usebenze ngokucofa okucacileyo. ) ngaphandle kokukhumbula indlela ekhethiweyo. Kumasebe eFirefox ESR […]

Ukukhutshwa kweDragonFly BSD 5.6 inkqubo yokusebenza

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Ukukhutshwa kwe-DragonFlyBSD 5.6 kuyafumaneka, inkqubo yokusebenza ene-hybrid kernel eyenziwe ngo-2003 ngenjongo yolunye uphuhliso lwesebe le-FreeBSD 4.x. Phakathi kweempawu ze-DragonFly BSD, sinokugqamisa inkqubo yefayile esasaziweyo ye-HAMMER, inkxaso yokulayisha "i-virtual" ye-kernels yenkqubo njengeenkqubo zomsebenzisi, ukukwazi ukugcina idatha kunye ne-FS metadata kwii-SSD drives, i-context-sensitive-sensitive symbol links, amandla. ukumisa iinkqubo […]

Ukuba semngciphekweni kwiLinux kunye neFreeBSD TCP stacks ezikhokelela ekwaliweni kude kwenkonzo

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I-Netflix ichonge ubuthathaka obuninzi kwiimfumba ze-TCP ze-Linux kunye ne-FreeBSD ezinokuthi zibangele ukude i-kernel crash okanye ibangele ukusetyenziswa okugqithisileyo kobutyebi xa kusetyenzwa ngokukodwa iipakethi ze-TCP ezenziwe ngokukodwa (ipakethi-yokufa). Iingxaki zibangelwa iimpazamo kubaphathi bobungakanani obukhulu bebhloko yedatha kwipakethi ye-TCP (MSS, ubukhulu besahlulo esiphezulu) kunye nomatshini wokuvuma okukhethiweyo koqhagamshelwano (SACK, TCP Selective Acknowledgement). I-CVE-2019-11477 (i-SACK Panic) […]

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