Video: Qhov kev pabcuam domain yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov kev pabcuam yog Windows Communication Foundation (WCF) kev pabcuam uas encapsulate lub lag luam logic ntawm WCF RIA Kev pabcuam daim ntawv thov. Thaum koj txhais a qhov kev pabcuam , koj qhia kom meej cov ntaub ntawv ua hauj lwm uas tau tso cai los ntawm lub qhov kev pabcuam.
Khaws qhov no hauv kev txiav txim siab, nws yog dab tsi?
A sau npe muaj ib pab pawg ntawm cov khoos phis tawj uas tuaj yeem nkag mus tau thiab tswj hwm nrog cov txheej txheem ntau. Piv txwv li, ib lub tuam txhab yuav xav kom txhua lub koos pij tawj hauv zos tau sib koom ua ke hauv tib yam sau npe kom txhua lub computer tuaj yeem pom los ntawm lwm lub khoos phis tawj hauv lub sau npe los yog nyob ntawm lub hauv paus server.
Ib yam li ntawd, qhov piv txwv yog dab tsi? Domain cov npe siv los txheeb xyuas ib lossis ntau qhov chaw nyob IP. Rau piv txwv , cov sau npe lub npe microsoft.com sawv cev txog kaum kaum tus IP chaw nyob. Domain cov npe siv hauv URLs los txheeb xyuas cov nplooj ntawv web tshwj xeeb. Rau piv txwv , hauv qhov URL https://www.pcwebopedia.com/index.html, lub sau npe lub npe yog pcwebopedia.com.
Tsis tas li, Domain Service hauv DDD yog dab tsi?
Yeej, txhua txoj cai kev lag luam yuav tsum tau txav mus rau tom ntej kev lag luam rooj plaub, uas tsis yog ib qho kev sib sau yuav tsum yog Qhov Kev Pabcuam . Qhov no yog qhov DDD lub sij hawm rau kev ua lag luam tus cwj pwm sab nraum ib tug aggregate los yog ib tug nqi khoom.
Domain ua haujlwm li cas?
Thaum koj nkag rau a sau npe npe nyob rau hauv koj lub web browser, nws xub xa ib daim ntawv thov mus rau lub ntiaj teb no network ntawm servers uas tsim lub Domain Lub npe System (DNS). Cov npe servers no yog cov khoos phis tawj tswj hwm los ntawm koj lub tuam txhab hosting. Koj lub tuam txhab hosting yuav xa koj qhov kev thov mus rau lub khoos phis tawj uas koj lub vev xaib khaws cia.
Pom zoo:
Dab tsi yog qhov sib txawv loj ntawm kev txheeb xyuas qhov yuam kev thiab kev kho cov lej yuam kev?
Ob qhov kev tshawb nrhiav qhov yuam kev thiab kev kho qhov yuam kev yuav tsum muaj qee qhov ntawm cov ntaub ntawv rov qab xa mus nrog cov ntaub ntawv tiag tiag; kev kho yuav tsum muaj ntau tshaj li kev tshawb nrhiav. Parity bits yog ib txoj hauv kev yooj yim rau kev tshawb nrhiav qhov yuam kev. Ib qho parity me ntsis yog ib qho ntxiv me ntsis xa nrog cov ntaub ntawv uas tsuas yog 1-ntsis suav ntawm cov ntaub ntawv
Dab tsi yog qhov kev pabcuam tseem ceeb rau kev ua haujlwm zoo?
Key AWS Services Lub AWS cov kev pabcuam uas tseem ceeb rau Kev Ua Haujlwm Zoo Tshaj Plaws yog AWS CloudFormation, uas koj tuaj yeem siv los tsim cov qauv raws li kev coj ua zoo tshaj. Qhov no tso cai rau koj los muab cov peev txheej hauv kev ua kom zoo thiab zoo ib yam los ntawm koj txoj kev loj hlob los ntawm kev tsim khoom
Dab tsi zoo li yog qhov kev pabcuam raug cai tab sis yog qhov phem tiag tiag?
Ib tug trojan nees yog ib qhov kev pab cuam uas tsis yog replicating uas tshwm sim raws li txoj cai, tab sis ua tau tiag tiag ua phem thiab phem ua phem thaum tua. Attackers siv trojan nees los nyiag tus neeg siv cov ntaub ntawv lo lus zais, lossis lawv tsuas tuaj yeem rhuav tshem cov kev pab cuam lossis cov ntaub ntawv ntawm harddisk
Dab tsi yog qhov dav thawj qhov kev tshawb nrhiav thiab qhov tob thawj qhov kev tshawb fawb?
BFS sawv rau Breadth First Search. DFS sawv cev rau Kev Tshawb Nrhiav Qhov tob. 2. BFS (Breadth First Search) siv Queue cov qauv ntaub ntawv los nrhiav txoj hauv kev luv tshaj. BFS tuaj yeem siv los nrhiav ib qhov chaw luv tshaj plaws hauv cov duab tsis hnyav, vim tias hauv BFS, peb mus txog qhov kawg uas muaj qhov tsawg kawg nkaus ntawm cov npoo los ntawm qhov chaw vertex
Dab tsi yog qhov kev txwv kev ncaj ncees piav qhia txog kev ncaj ncees lossis kev txwv txawv teb chaws?
Kev lees paub ncaj ncees xav kom tus yuam sij txawv teb chaws yuav tsum muaj tus yuam sij tseem ceeb sib xws lossis nws yuav tsum yog null. Qhov kev txwv no tau teev tseg ntawm ob lub rooj (niam txiv thiab menyuam); nws tuav cov ntawv xov xwm ntawm kab hauv cov rooj no. Nws txhais tau hais tias kev siv los ntawm kab hauv ib lub rooj mus rau lwm lub rooj yuav tsum siv tau