ComputersProgramming

Yuav ua li cas yog ID? ID-lo lus zais

Yuav ua li cas yog tus nrog paub txog qhov tsim nyog cov ntaub ntawv? Koj muaj downloaded qhov kev ua si, thiab nws muab cia koj cov ntaub ntawv. Los yog mus saib lub site dua, thiab nws paub koj. Yuav ua li cas yog lub mechanism rau qhov kev siv ntawm tej technology txuj ci kom paub txog leej twg yog leej twg ntawm cov neeg? Recognition yog tau ua tsaug rau lub identifiers. Tab sis dab tsi ID?

Lo lus nug qhia hais tias tus neeg siv los sis khoom nyob rau hauv lub cajmeem thiab tshuab engineering

Nyob rau hauv lub cim ua qhia tau to taub kev zoo losis phem uas yuav highlight cov yam khoom nrog ntau lwm tus neeg:

  1. Ib cim feature ntawm tus kwv los yog kev kawm mus saib.
  2. Ib cim npe rau lub fais teeb liab kis tau los ntawm lub ntaus ntawv los yog nws cov kev haumxeeb Circuit Court.
  3. Lexical token uas qhia cov essence. Ib tug analogy yuav tau nrog ib tug tshwj xeeb lub npe. Muaj yog yuav tsum tau rau reference nws nyob rau hauv lub system.

General theoretical moj khaum ID

Nyob rau hauv kev, muab tso rau ib tug me ntsis identifiers yuav tsum. Ib yam nyob rau hauv ntau - nws yog uniqueness thiab muaj peev xwm mus nrhiav kom tau ib lub twj paj nruas rau nws. Tsis tas li ntawd, nyob ntawm seb qhov kev siv ntawm qhov nruab nrab, yuav tau muab tso rau pem hauv ntej yuav tsum mus rau lub ntsiab lus qhia: tsuas xov tooj los yog ib tug txheej ntawm Latin, los yog ib yam dab tsi zoo li hais tias. Tsis tas li ntawd, yuav luag tag nrho cov yuav siv tsis tau raws li identifiers loo system lus. Ntawm no yog dab tsi lub ID. Nyob rau hauv qhov nyuag theoretical Hoob no yuav muab suav hais tias raws li tiav.

Siv cov ID tiv thaiv

Yuav ua li cas yog lub ID rau cov ntaub ntawv tiv thaiv? Piv txwv tias yog ib qhov teeb meem thaum cov stretch LAN. Rau nws yuav tsum tsis txhob yuav kev cob cog rua sab ntawm lub computer, raws li qhov no yuav yog ib tug los ntawm cov ntaub ntawv. Yuav ua li cas nyob twj ywm muaj kev nyab xeeb nyob rau hauv net? Txhua computer muaj ib tug tshwj xeeb tooj, uas los ntawm lub neej ntawd yog paub xwb rau nws. Configurable raws tu qauv lag luam network, raws li uas nws muaj peev xwm txuas mus rau ib tug computer los ntawm ib hom ntawv sau. Qhov no yog ua raws li nyob rau daim ntawv muaj xws li ib tug xov tooj ntawm computers - thiab nyob rau hauv lub hauv paus yog leej twg tiv thaiv yog npaj txhij. Qhov no ID-code copes nrog cov hauj lwm ntawm ib lo lus zais nyob rau hauv lub network.

Nws yuav tsum tau borne nyob rau hauv lub siab hais tias xws li kev siv tseem muaj tej yam tsis zoo xws li tau nkag mus rau hauv kev nkag mus rau ib tug ntawm cov computers thiab cov xa kev thov los ntawm nws mus rau lub LAN. Tab sis qhov no nam yog tsis yog tas rau cov tau thov kev pab. Yog li ntawd, nrog rau cov kev pab los ntawm ib tug qhia tau, koj muaj peev xwm kho lub theem ntawm kev nkag tau mus txawv tshuab (uas yog rau cov neej ntawd hais, koj yuav muaj ib tug ntau theem ntawm kev tiv thaiv). Ces tshiab neeg ua hauj lwm los yog tsis muaj qhov kev tsim nyog theem ntawm kev nkag tau yuav tsis muaj peev xwm xa commands thiab los ntawm yuam kev los yog txhob txwm ua phem rau lub tuam txhab. Uas yog, lub tswvyim yuav muab los siv, uas siv ID-lo lus zais, tab sis "paub nws" yuav ib tug tsawg tus naj npawb ntawm cov neeg (computers).

Siv cov ID nyob rau hauv koj daim ntawv sau npe

Tsis identifiers yog siv nyob rau hauv daim ntaub ntawv, xws li ib tug accountant los yog pab kev ua si? Yog, thiab yuav ua li cas! Yog hais tias peb xav txog cov piv txwv ntawm qhov kev ua si, muaj cais identifiers rau txhua computer siv, nyias rau txhua rua tej yam uas muaj nyob rau hauv lub hnab ev khoom thiab lub hnab. Nws qhia tias yog leejtwg (txawm yog tias ib ntus) kuj muaj cov khoom uas yog siv nyob rau hauv kev ua si. Lawv muaj pub rau tethering kab ntawm code rau tej duab, uas tus neeg uas ua ntawv yuav INTERACTIONS los ntawm cov keyboard los yog nas.

Cov ua hauj lwm cov kev pab cuam muaj lawv tawm lawv tus ID txhua teb mus rau hauv uas cov ntaub ntawv rau ntxiv ua. Tsaug rau nws cov cim tau ces yuav tau muab rho los ntawm cov database thiab siv tau rau nws npaj lub hom phiaj. Tsis tas li ntawd nrog rau lawv cov kev pab yuav tsum tau muab teem rau ib tug ntawm lawv muaj kev nkag tau mus rau cov neeg siv nrog ib tug tej theem ntawm kev nkag tau.

Siv cov ID rau tus paub nyob rau hauv lub hauv internet cov kev pab cuam

Txawm lawv yuav siv nyob ntawm no, thiab yog hais tias yog li ntawd, dab tsi yog qhov ID nyob rau hauv lub network yees? Pom lawv tawm lawv tus ID thiab hauv internet pab. Cia saib ib tug heev yooj yim piv txwv - social networking. Lawv muaj sib txawv neeg siv? Vim lub cim ua qhia tau hais tias yog muaj txawm nyob rau hauv qhov chaw nyob ntawm cov nplooj ntawv ntawm cov neeg siv. Nrog kev pab los ntawm lub ID system txiav txim dab tsi yuav tsum tso tawm kom pom nyob rau hauv xov xwm nrog dab neeg uas cov duab thiab cov yeeb yaj duab yuav tsum tau tso tawm nyob rau hauv tus neeg siv tus kheej page. Tab sis txawm qhov no yog tsis yog qhov tsuas txwv: piv txwv li, thaum uas nkag mus rau ib tug tshiab qhov chaw nyob mus rau txhua tej nplooj ntawv qhia system nug rau ib lo lus zais, kom paub tseeb seb puas los yog tsis qhov no yog qhov profile tswv. Txawm yog hauv lub social networking daim ntaub ntawv siv iframe ID rau tus neeg siv qhov zoo tshaj plaws kev nyob rau hauv lub hauv paus ntawm nws cov profile cov ntaub ntawv.

Lawv siv lawv cov tawm lawv tus ID rau ntawm kev kawm ntawv nyob qhov twg tus neeg siv creation muab. Siv lub ID technology nyob rau hauv kev ua si uas yuav tsum tau nkag mus rau lub ntiaj teb no network. Tab sis yog hais tias nws lossi xav tau kev pab? Wb hais koj ua si qhov chaw nyob rau hauv qhov kev ua si, seb cov computer yog lossi xa cov ntaub ntawv? Tsis yog, qhov no yog tsis tsim nyog - tom qab lub tso cai ntawm lub cim txheej txheem nrog rau cov computer qhib lub khiav ntawm cov ntaub ntawv sib pauv, thiab cov kev pab cuam yeej paub tias koj yog cov nyob rau sab tod. Thiab tej yam zoo li ID khoom nyob rau hauv Minecraft , los yog lwm cov kev ua si, cia li dhau nyob rau hauv cov cim ntawm cov neeg siv, thiab thaum twg cov neeg kaw thiab qhib nws dua lawv yuav rov qab los.

Tab sis qhov no implies qhov yuav tsum tau ua raws li tej yam muaj kev ruaj ntseg ceev faj. Yog li, cov ndlwg ntawm cov ntaub ntawv pauv tej zaum yuav kaw nws tus kheej tom qab ib tug tej lub sij hawm (feem ntau yog ob peb teev), thiab (yog muab) tej zaum yuav tsis raug kaw. Yog li ntawd, yog hais tias koj tsis xav mus saib koj qhov profile rau ntawm qhov chaw yog ib tug neeg twg uas muaj kev nkag tau mus rau koj lub computer, tsis txhob yuav amiss los tiv thaiv koj tus kheej los ntawm nias lub tawm khawm txhua lub sij hawm koj mus.

xaus

Qhov no yog dab tsi yuav qhia ib qho qhia tau, thiab thiaj li sab yam ntawm nws daim ntawv thov. Tab sis txawm nyob rau hauv nqe lus dav dav, tag nrho cov twb tsis zes - yog li tsim nyog nws qhia ntau ntxiv txog cov identifiers nyob rau hauv microelectronics, lub hom tawm lawv tus ID nyob rau hauv txawv tshuab (suav hais tias yog feem ntau), thiab ib tug xov tooj ntawm lwm yam uas nyob rau hauv uas lawv siv. Tam sim no koj muaj peev xwm siv cov txuj ci tau los tsim ntau ruaj ntseg nyob rau hauv koj lub tsev network computers thiab kom to taub cov complexity ntawm lub chaw ua hauj lwm ntawm kev pab cuam network.

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