Video: Dab tsi yog disjoint thiab overlapping txwv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hauv ib disjoint kev txwv koj yuav tau muab tus ntaus suab paj nruag nyob rau hauv ib tug los yog lwm yam sub classes. Hauv ib overlapping kev txwv lub tshuab raj tuaj yeem muab tso rau hauv ob qho tib si. Cov tsis sib haum txoj cai hais tias ib qho chaw piv txwv ntawm ib lub supertype tsuas yog ib tug tswv cuab ntawm ib tug subtype.
Tsis tas li ntawd, dab tsi yog qhov kev txwv sib tshooj?
Dab tsi yog ib overlap txwv thiab yog dab tsi a npog txwv ? Overlap txwv : Cov overlap txwv qhia tau hais tias tus supertype piv txwv yuav yog ib tug tswv cuab ntawm ob los yog ntau tshaj subtypes. Txoj cai no saib cov lus teb tag nrho.
Qhov thib ob, dab tsi yog qhov sib tshooj subtype? Overlapping subtypes yog subtypes uas muaj cov tsis tshwj xeeb subsets ntawm lub supertype chaw teeb; uas yog, txhua qhov chaw piv txwv ntawm tus supertype yuav tshwm sim hauv ntau dua ib qho subtype . Piv txwv li, nyob rau hauv ib cheeb tsam tsev kawm ntawv, ib tug neeg tej zaum yuav yog ib tug neeg ua hauj lwm los yog ib tug me nyuam kawm ntawv los yog ob qho tib si.
Yog li ntawd, dab tsi yog qhov kev txwv tsis sib haum?
Disjoint txwv Disjoint Piav qhia txog kev sib raug zoo ntawm cov tswv cuab ntawm cov subclasses thiab txwv qhia seb nws puas muaj peev xwm rau ib tug tswv cuab ntawm superclass los ua ib tug tswv cuab ntawm ib tug, los yog ntau tshaj ib tug, subclass. Cov disjoint kev txwv tsuas yog siv tau thaum lub superclass muaj ntau tshaj ib subclass.
Dab tsi yog disjoint subtype?
Disjoint subtypes , tseem hu ua nonoverlapping subtypes , yog subtypes uas muaj ib tug tshwj xeeb subset ntawm lub supertype chaw teeb; Hauv lwm lo lus, txhua qhov chaw piv txwv ntawm supertype tuaj yeem tshwm sim hauv ib qho ntawm cov subtypes.
Pom zoo:
Dab tsi yog qhov sib txawv tseem ceeb ntawm Amazon EBS thim rov qab thiab piv txwv khw Rov qab piv txwv?
Dab tsi yog qhov sib txawv tseem ceeb ntawm Amazon EBS-txhawb thiab qhov piv txwv-khoom txhawb nqa? Amazon EBS-rov qab piv txwv tuaj yeem nres thiab rov pib dua. Instance-store backed instances tuaj yeem nres thiab rov pib dua. Nws pib scaling yuav tsum siv Amazon EBS-rov qab piv txwv
Dab tsi yog qhov sib txawv ntawm lub thawv thiab lub thawv ntawv thiab lub thawv ntawv yog dab tsi?
Ib lub thawv thiab cov ntawv nplawm (qee zaum hu ua boxplot) yog ib daim duab uas nthuav tawm cov ntaub ntawv los ntawm tsib lub ntsiab lus. Nyob rau hauv ib lub thawv thiab whisker zajlus: qhov kawg ntawm lub thawv yog lub sab sauv thiab sab quartiles, yog li lub thawv spans lub interquartile ntau yam. qhov nruab nrab yog cim los ntawm ib txoj kab ntsug hauv lub thawv
Dab tsi yog tus hypervisor Dab tsi yog piv txwv ntawm ib qho?
Goldberg tau faib ob hom hypervisor: Hom-1, haiv neeg lossis liab qab-hlau hypervisors. Cov hypervisors no khiav ncaj qha rau ntawm tus tswv tsev kho vajtse los tswj cov khoom kho vajtse thiab tswj xyuas cov qhua tuaj noj mov. VMware Workstation, VMware Player, VirtualBox, Parallels Desktop rau Mac thiab QEMU yog cov piv txwv ntawm hom-2 hypervisors
Dab tsi yog qhov qub txeeg qub teg Dab tsi yog qhov sib txawv ntawm qhov qub txeeg qub teg piav nrog piv txwv?
Inheritance yog ib txoj hauv kev kom tau txais cov yam ntxwv thiab kev coj cwj pwm ntawm ib chav kawm los ntawm lwm chav kawm. Cov chav kawm uas cov tswv cuab tau txais qub txeeg qub teg yog hu ua chav kawm hauv paus, thiab chav kawm uas tau txais cov tswv cuab tam sim no hu ua chav derived. Inheritance siv IS-A kev sib raug zoo
Dab tsi yog qhov zoo sib xws thiab qhov txawv ntawm relays thiab PLC yog dab tsi?
Relays yog electro-mechanical keyboards uas muaj coil thiab ob hom kev sib cuag uas tsis yog NO & NC. Tab sis Programmable Logic Controller, PLC yog lub khoos phis tawj me uas tuaj yeem txiav txim siab raws li qhov kev zov me nyuam thiab nws cov tswv yim & tso tawm