Tus CompareTo txoj kev piv cov GUIDs zoo li yog tias lawv muaj txiaj ntsig muab rau Tus Kws Tsim Kho, raws li hauv qab no: Nws muab piv rau Int32 qhov tseem ceeb, thiab xa rov qab yog tias lawv tsis sib npaug. Yog tias lawv sib npaug, nws ua qhov kev sib piv tom ntej. Nws muab piv rau thawj Int16 qhov tseem ceeb, thiab xa rov qab yog tias lawv tsis sib npaug.
Puas yog C Qhia kev sib piv cov ntaub ntawv nkag siab?
Tus Guid nws tus kheej yog qhov tseeb 128-ntsis tus lej tus nqi thiab cov hlua yog tus sawv cev hexadecimal ntawm tib tus nqi thiab hexadecimal tsis yog qhov teeb meem. Yog tias koj xav sib piv cov hlua sawv cev ntawm GUID nrog System.
Cov lus qhia hauv C yog dab tsi?
A GUID (Global Unique IDentifier) yog a 128-ntsis tus lej siv los ua tus cim tshwj xeeb. … NET siv cov chav qhia C. GUID stands rau Ntiaj teb no Unique Identifier. GUID yog 128-ntsis tus lej (16 bytes) uas koj tuaj yeem siv thoob plaws txhua lub khoos phis tawj thiab tes hauj lwm nyob qhov twg yuav tsum muaj tus cim tshwj xeeb.
GUID piv txwv yog dab tsi?
Types of GUIDs
txhawm rau txheeb xyuas qhov version ntawm GUID, tsuas yog saib tus lej version piv txwv li version 4 GUIDs muaj format xxxxxxxx-xxxx-4xxx-Nxxx-xxxxxxxxxxxxqhov twg N yog ib qho ntawm 8, 9, A, lossis B. Cov qauv no yog tsim los siv ob lub sijhawm tam sim no thiab tus neeg siv khoom MAC chaw nyob.
GUID NewGuid hauv C yog dab tsi?
Guid. NewGuid creates ib qho khoom qhia khoob, pib nws los ntawm kev hu rau CoCreateGuid thiab xa cov khoom rov qab.