Mhoro, Habr! MuBitcoin network, node dzese, kuburikidza nekubvumirana, dzinobvumirana pane seti yeUTXOs: ingani mari inowanikwa yekushandisa, kuna ani chaizvo, uye pasi pemamiriro api. Iyo UTXO seti ndiyo yakaderera seti yedata inodiwa kune validator node, pasina iyo node haizokwanise kuonesa kutendeseka kweanouya transaction uye mabhuroki ane iwo. Panyaya iyi, kuedza kuri kuitwa [...]
Maverengero echinyorwa ichi: Ndinokumbira ruregerero kuti chinyorwa chakareba uye chakashata. Kuti ndikuchengetedzei nguva, ndinotanga chitsauko chimwe nechimwe nesumo inoti “Zvandakadzidza,” inopfupikisa pfungwa yechitsauko mumutsara mumwe kana miviri. “Ingondiratidza mhinduro yacho!” Kana iwe uchingoda kuona zvandauya nazvo, wobva wasvetuka kuchitsauko "Kuva Kuwedzera Kugadzira," asi […]
Musoro wemusoro unounganidza masaini kubva kune akati wandei masosi, anoagadzirisa uye anoaparadzira kune tambo network. Zviri mukati meakatevedzana ezvinyorwa Chikamu 1: General dhizaini yeCATV network Chikamu 2: Kuumbwa uye chimiro chechiratidzo Chikamu 3: Analogi chikamu chechiratidzo Chikamu 4: Digital chikamu chechiratidzo Chikamu 5: Coaxial kugovera network Chikamu 6: RF masaini amplifiers Chikamu 7: Optical vanogamuchira Chikamu 8: Optical […]
Basa rekutsvakurudza zvichida ndiro rinonyanya kufadza chikamu chekudzidziswa kwedu. Pfungwa ndeyekuzviedza iwe munzira yako yaunosarudza uchiri kuyunivhesiti. Semuyenzaniso, vadzidzi vanobva kunzvimbo dzeSoftware Engineering uye Machine Learning vanowanzoenda kunotsvaga mumakambani (kunyanya JetBrains kana Yandex, asi kwete chete). Mune ino post ini ndichataura nezve chirongwa changu muComputer Science. […]
Svondo rapfuura, Bitcoin yakapfuura $9000 kekutanga gore rino. Sekureva kweCoinMarketCap resource, kekupedzisira mutengo weiyo hombe cryptocurrency pamusika waidarika $9000 yaive inopfuura gore rapfuura, pakutanga kwaMay 2018. Gore rino, Bitcoin yakatanga kuwana simba zvakare. Ino haisi nguva yekutanga iyo yakaisa gore idzva rekodhi rekodhi. Zvimwe […]
Yandex yakazivisa kutangwa kwemapurojekiti maviri edzidzo evagadziri vemashure vachishandisa iyo yepamusoro-yepamusoro-chinangwa mutauro wepurogiramu Python. Chikoro chenguva yakazara cheBackend Development chakamirira vanotanga, uye hunyanzvi hwepamhepo muYandex.Dzidzira ndeyevatanga vanoda kugona hunyanzvi kubva pakutanga. Zvinocherechedzwa kuti chikoro chitsva chichavhura magonhi ayo mukudonha uku muMoscow. Chirongwa chekudzidzisa chinotora mwedzi miviri. Vadzidzi vachateerera [...]
MY.GAMES, chikamu chemitambo cheMail.ru Group, ine ruzivo rwakakura mukutsigira nekusimudzira yakakurumbira browser uye mini-mitambo, iyo inoumba yakapfuma kabhuku yemapurojekiti epamhepo emhando dzakasiyana. Asi panguva ino timu yakafunga kuiendesa kune yakakomba nhanho uye kubatsira vagadziri vane tarenda kugadzira yekutanga-kirasi chiitiko bhaisikopo rekunyaradza. Iyo kambani yakagadzirira kupa mari kusimudzira kwemutambo uye kupa timu yavo studio […]
Network masosi anoshuma kuti social network Instagram iri kuyedza nzira nyowani yekudzoreredza mushandisi maakaundi. Kana ikozvino iwe uchifanira kubata network yekuchengetedza sevhisi kuti udzorere account yako, saka mune ramangwana maitiro aya akarongwa kuve akarerutswa zvakanyanya. Kuti udzorere account yako uchishandisa nzira nyowani, unozofanirwa kupa ruzivo rwemunhu, kusanganisira nharembozha yako kana email kero. […]
Kambani yeSouth Korea Samsung inoyeuchidza varidzi veTV vakangwara kuti vagare vachitarisa firmware yavo kune malware. Chinyorwa chinowirirana chakaonekwa pane Samsung rutsigiro peji pa Twitter, iyo inotaura kuti iwe unogona kudzivirira malware kurwiswa paTV yako nekutarisa mavhiki mashoma. Tichipesana nemashure memeseji iyi, yakasikwa yakazara […]
Kuburitswa kweDragonFlyBSD 5.6 kunowanikwa, sisitimu yekushandisa ine hybrid kernel yakagadzirwa muna 2003 nechinangwa cheimwe budiriro yeFreeBSD 4.x bazi. Pakati pezvinhu zveDragonFly BSD, tinogona kuratidza yakagoverwa faira system HAMMER, tsigiro yekurodha "chaiyo" system kernels semashandisirwo emushandisi, kugona kuvharira data uye FS metadata pamadhiraivha eSSD, mamiriro-sensitive akasiyana ekufananidzira zvinongedzo, kugona. kuomesa maitiro […]
Netflix yakaona kusadzivirirwa kwakati wandei muTCP stacks yeLinux neFreeBSD iyo inogona kukonzeresa kuparara kwekernel kana kukonzera kushandiswa kwekushandisa zvakanyanya kana uchigadzira akagadzirwa akagadzirwa TCP mapaketi (packet-ye-rufu). Matambudziko anokonzerwa nezvikanganiso muvabati vehukuru hwehukuru hwe data block muTCP packet (MSS, Maximum segment size) uye nzira yekusarudza kubvuma kwekubatana (SACK, TCP Selective Acknowledgment). CVE-2019-11477 (SACK Panic) […]
IEuropean Nuclear Research Center ichasiya zvese zvigadzirwa mubasa rayo, uye kunyanya kubva kuMicrosoft zvigadzirwa. Mumakore apfuura, CERN yakashandisa zvakasiyana-siyana zvakavharwa-sosi zvigadzirwa zvekutengesa nekuti zvakaita kuti zvive nyore kuwana nyanzvi dzeindasitiri. CERN inoshanda pamwe nenhamba huru yemakambani nemasangano, uye zvaive zvakakosha kuti aite […]
