I- –date=STRING ifomethi efundeka umuntu njengokuthi “uLwesine olulandelayo” noma “inyanga engu-1 edlule”.
Ngingayithola kanjani idethi yokugcina yenyanga edlule e-Unix?
Kufanele empeleni shayela usuku kabili ukuze uthole usuku lokugcina lwenyanga edlule. Nansi indlela: $ date -d “$(date +%Y/%m/01) – 1 day” “+%Y/%m/%d”
Ngiluthola kanjani usuku lwayizolo?
Ukuze uthole idethi yayizolo, udinga ukususa usuku olulodwa kusukela kudethi yanamuhla.
Ngingayithola kanjani idethi yakusasa e-Unix?
Thola idethi yakusasa njengeyunithi yezinhlamvu ku- ifomethi ethi “YYYY-MM-DD”. I- -d inketho ikuvumela ukuthi udlule iyunithi yezinhlamvu eshintsha inani elijwayelekile lokuphumayo.
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Ungaluthola kanjani usuku lwakusasa usebenzisa i-Shell Script Command?
- %Y = Unyaka njengamadijithi angu-4.
- %m = Inyanga njengamadijithi angu-2 (01.. …
- %d = Usuku njengamadijithi angu-2 (01.. …
- %H = Ihora njengamadijithi angu-2 (00..23).
Uyibonisa kanjani i-AM noma i-PM ku-Unix?
Izinketho Ezihlobene Nokufometha
- %p: Iphrinta inkomba ye-AM noma ye-PM ngosonhlamvukazi.
- %P: Iphrinta inkomba ye-am noma pm ngofeleba abancane. Qaphela i-quirk ngalezi zinketho ezimbili. Ofeleba abancane u-p unikeza osonhlamvukazi abaphumayo, usonhlamvukazi u-P unikeza okukhiphayo ngofeleba abancane.
- %t: Iphrinta ithebhu.
- %n: Iphrinta umugqa omusha.
Ithini idethi emfushane namuhla?
Usuku Lwanamuhla
| Idethi Yanamuhla Kumanye Amafomethi Edethi | |
|---|---|
| I-Unix Epoch: | 1631212849 |
| I-RFC 2822: | ULwesine, 09 Septhemba 2021 11:40:49 -0700 |
| DD-MM-YYYY: | 09-09-2021 |
| MM-DD-YYYY: | 09-09-2021 |
Ithini idethi entsha ()?
Sebenzisa i-Date() entsha ukuze uthole Idethi yesikhathi samanje noma Idethi. now() ukuze uthole isikhathi samanje ngama-millisecond kusukela ngomhla ka-01 Januwari, 1970 UTC.
Ngilukhetha kanjani usuku lwangaphambilini ku-SQL?
Izimpendulo ze-8
- SHONA @var DATETIME = GETDATE();
- KHETHA @var AS [Ngaphambi]
- , FORMAT(DATEADD(USUKU,-1,@var),'yyyy-MM-dd 00:00:00.000′) NJENGOBA [Ngemva];
Ulubhala kanjani usuku lwakusasa?
Idethi yakusasa nayo ingabhalwa ngayo ngokwezinombolo ifomu (inyanga/usuku/unyaka). Idethi nayo ingabhalwa ngale ndlela (usuku/inyanga/unyaka).
Ngingathola kanjani usuku lwakusasa eShell?
Uma ungenayo idethi ye-GNU, ungasebenzisa umyalo wosuku olwakhelwe ngaphakathi ngenketho ethi -v. ibuyisela idethi yakusasa. ibuyisela idethi yakusasa ngefomethi ethi YYYY-MM-DD. $(…) iwukumiselela komyalo.
Ayini amafomethi edethi ahlukene?
Izinhlobo Zefomethi Yosuku
| Ifomethi | I-oda ledethi | Incazelo |
|---|---|---|
| 1 | MM / DD / YY | Inyanga-Unyaka-Unyaka onamaziro aholayo (02/17/2009) |
| 2 | DD/MM/YY | Usuku-Inyanga-Unyaka enamaziro aholayo (17/02/2009) |
| 3 | YY / MM / DD | Unyaka-Inyanga-Usuku olunoziro abahamba phambili (2009/02/17) |
| 4 | Inyanga D, Unyaka | Igama lenyanga-Usuku-Unyaka ongenawo oziro abaholayo (Februwari 17, 2009) |
Sithini isikhathi se-UTC manje ngefomethi yamahora angama-24?
Isikhathi samanje: 19:36:38 UTC. I-UTC ithathelwa indawo ngu-Z okuyi-zero UTC offset. Isikhathi se-UTC ku-ISO-8601 singu-19:36:38Z.
Iyini inhloso ku-Unix?
I-Unix iyisistimu yokusebenza. It isekela ukwenza izinto eziningi nokusebenza kwabasebenzisi abaningi. I-Unix isetshenziswa kakhulu kuzo zonke izinhlobo zezinhlelo zekhompiyutha ezifana nedeskithophu, ilaptop, namaseva. Ku-Unix, kune-Graphical interface yomsebenzisi efana namawindi asekela ukuzulazula okulula nendawo esekelayo.