Video: Dab tsi yog qhov tseem ceeb dimple?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A dimple lock yog tus pin-tumbler-raws li ntsuas phoo tsim uas siv sab tiaj tus tus yuam sij hniav raws li qhov chaw tom. Cutson thaj tsam tom zoo li dimple , li no lub npe. Dimple locks yog siv nyob rau hauv ib tug ntau yam ntawm daim ntawv thov, thiab tej zaum yuav txawv los ntawm tsawg mus rau siab ruaj ntseg.
Kuj tseem paub yog, cov yuam sij dimple ua haujlwm li cas?
Dimple xauv yog Yeej tus pin-cylindersthat siv lub tiaj tiaj ntawm lub cov key hniav raws li bitingarea. Yog li es tsis txiav rau hauv ntug ntawm lub tus yuam sij raws li tus qauv tus pin-cylinder, dimple locks tig tus yuam sij cuaj caum degrees thiab txiav mus rau sab tiaj tus. On ib yam key lawv yog ob leeg ntawm sab.
Tsis tas li ntawd, cov xauv dimple puas ruaj ntseg dua? A dimple xauv tsis yog ruaj ntseg dua thaum piv rau tsoos pin tumbler xauv , tab sis theuntraditional xwm ntawm tus yuam sij ua rau ntau dimple xauv zoo li sophisticated. Qee qhov feem ntau tseem ceeb dimple Lock manufacturers yog KABA, Mul-T-Lock, DOM, LIPS, thiab KESO.
Ua li no, cov yuam sij dimple puas tuaj yeem luam tawm?
Tsis txwv cov yuam sij tsis muaj kev tiv thaiv los ntawm patentlaws, txhais tau hais tias tsis muaj kev nplua rau duplicate lawv. Txwv tsis pub cov yuam sij , ntawm qhov tod tes, ua tsis tau luam tawm . Cov no cov yuam sij feem ntau saib txawv dua li cov yuam sij , muaj ob kab ntawm kev txiav los yog dimple txiav rau sab.
Dab tsi yog tus yuam sij warded?
A saib xyuas xauv (tseem hu ua a pawg ntseeg lock) yog hom xauv uas siv cov txheej txheem thaiv, lossis pawg ntseeg, tiv thaiv lub xauv los ntawm kev qhib tshwj tsis yog qhov tseeb tus yuam sij inserted. Qhov tseeb tus yuam sij muaj qhov tsis sib xws lossis cov qhov sib txuam rau cov kev thaiv hauv lub xauv, tso cai rau nws tig mus rau hauv lub xauv.
Pom zoo:
Dab tsi yog qhov xauv thiab qhov tseem ceeb ntawm kev sib raug zoo?
Cia peb muab tus yuam sij thiab xauv Lub xauv hauv qhov ntsiab lus no yog hais txog lub siab ntawm tus neeg uas poob rau hauv kev hlub thiab tus yuam sij yog hais txog tus neeg uas muaj tus neeg ntawd tus yam ntxwv ntawm kev hlub
Dab tsi yog qhov txawv ntawm qhov tseem ceeb thiab tshaj tawm?
Kev tshaj tawm txoj haujlwm yog thaum koj hais qhov koj xav tau, thiab cov lus tseem ceeb yog thaum koj hais kom tau qhov koj xav tau. Thawj qhov piv txwv yog tshaj tawm vim tias peb tsis qhia meej txog 'kev siv cov ntsiab lus' ntawm kev tsim cov npe
Peb puas tuaj yeem ntxig ntau qhov NULL qhov tseem ceeb hauv qhov tseem ceeb Oracle?
Ntawd yog: Thaum (1, 1, null) raug tso cai, tab sis tsis pub ntau tshaj ib zaug, kab uas muaj qhov tseem ceeb (null, null, null) hauv peb kab uas ua rau tus yuam sij tshwj xeeb raug tso cai txhua lub sijhawm - ib yam li nyob rau hauv ib kab ke
Dab tsi tsis yog qhov tseem ceeb uas tus programmer siv los xaiv hom lus rau ib qhov project?
Kev piav qhia: Tus naj npawb ntawm cov tswv yim xav tau tsis yog qhov tseem ceeb rau kev xaiv hom lus rau tus programmer vim hais tias txhua hom lus tuaj yeem coj tus lej ntawm cov tswv yim hauv qhov program. Cov yam tseem ceeb rau kev xaiv ib hom lus yog lwm qhov chaw xaiv muaj, Ceev yuav tsum tau, hom phiaj daim ntawv thov
Dab tsi yog tus hais lus sau nws lub hom phiaj thiab dab tsi yog yam tseem ceeb uas yuav tsum nco ntsoov txog cov lus hais?
Cov neeg hais lus sau ntawv yog cov ntawv qhia uas tus neeg nthuav qhia siv thaum nthuav qhia qhov kev nthuav qhia. Lawv pab tus neeg nthuav qhia nco txog cov ntsiab lus tseem ceeb thaum muab kev nthuav qhia. Lawv tshwm sim ntawm tus swb thiab tuaj yeem pom tsuas yog los ntawm tus tshaj tawm thiab tsis yog cov neeg tuaj saib