Cov txheej txheem:
Video: Tzinfo yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
tzinfo ua yog ib qho abstract base clase, txhais tau hais tias cov chav kawm no yuav tsum tsis txhob raug instantiated ncaj qha. Koj yuav tsum tau muab ib qho kev sib koom ua ke, thiab (tsawg kawg) muab kev siv ntawm tus qauv tzinfo ua cov kev xav tau los ntawm cov txheej txheem hnub tim uas koj siv. Lub datetime module tsis muab tej qhob subclasses ntawm tzinfo ua.
Tom qab ntawd, PYTZ yog dab tsi?
pytz ua coj Olson tz database rau hauv Python. Lub tsev qiv ntawv no tso cai rau qhov tseeb thiab hla platform sijhawm suav nrog siv Python 2.4 lossis siab dua. Nws kuj tseem daws qhov teeb meem ntawm lub sijhawm tsis meej pem thaum kawg ntawm lub sijhawm txuag nruab hnub, uas koj tuaj yeem nyeem ntxiv txog hauv Python Library Reference (datetime.
Dab tsi yog qhov ua haujlwm rau offset hnub rau kev txuag nruab hnub? Txoj kev getTimezoneOffset() hauv JavaScript, hauv qhov browser, rov qab cov naj npawb ntawm feeb offset los ntawm 00: 00 lub sijhawm. Rau piv txwv , Teb Chaws Asmeskas/New_York lub sij hawm cheeb tsam nyob rau hauv Daylight Savings (DST) rov qab tus naj npawb 300.
Tib neeg kuj nug, lub sijhawm twg hauv UTC lub sijhawm?
| Teb Chaws Asmeskas GMT / UTC Offsets | ||
|---|---|---|
| Lub Sijhawm Zone hauv Tebchaws Meskas | UTC Offset Standard Time | UTC Offset Hnub Teeb Txuag Sijhawm |
| Sab hnub tuaj | UTC - 5 hnub | UTC - 4 hnub |
| Central | UTC – 6 h | UTC - 5 hnub |
| Roob | UTC - 7 hnub | UTC - 6h * n/a rau Arizona tshwj tsis yog hauv Navajo Nation uas saib xyuas lub sijhawm txuag nruab hnub. |
Kuv yuav ua li cas thiaj li tau txais lub sijhawm tam sim no hauv python?
Yog tias koj xav nrhiav lub sijhawm tam sim no ntawm qee lub sijhawm, koj tuaj yeem siv pytZ module
- los ntawm datetime import datetime.
- import pytz.
- tz_NY = pytz. timezone('America/New_York')
- datetime_NY = datetime. now(tz_NY)
- print("NY time:", datetime_NY.
- tz_London = pytz.
- datetime_London = hnub tim.
- print("London time:", datetime_London.
Pom zoo:
W3c yog dab tsi Whatwg yog dab tsi?
Lub Web Hypertext Application Technology Working Group (WHATWG) yog ib lub zej zog ntawm cov neeg nyiam hloov kho HTML thiab lwm yam technologies. WHATWG tau tsim los ntawm cov tib neeg los ntawm Apple Inc., Mozilla Foundation thiab Opera Software, ua tus neeg muag khoom Web browser, hauv 2004
Cell referencing yog dab tsi thiab dab tsi yog qhov sib txawv ntawm kev xa tawm?
Muaj ob hom kev siv ntawm tes: txheeb ze thiab tsis meej. Cov txheeb ze thiab cov ntawv pov thawj tseeb coj txawv txawv thaum theej thiab sau rau lwm lub hlwb.Cov ntaub ntawv txheeb ze hloov thaum tus qauv raug theej rau lwm lub xovtooj. Cov ntaub ntawv tseeb, ntawm qhov tod tes, tseem nyob tas li txawm tias lawv tau theej qhov twg
Social engineering yog dab tsi thiab nws lub hom phiaj yog dab tsi?
Social engineering yog lo lus siv rau ntau yam kev ua phem ua phem uas ua tiav los ntawm tib neeg kev sib cuam tshuam. Nws siv kev puas siab puas ntsws los ntxias cov neeg siv kom ua yuam kev kev ruaj ntseg lossis muab cov ntaub ntawv rhiab
Dab tsi yog tus sawv cev heuristic Dab tsi yog qhov muaj heuristic?
Qhov muaj heuristic yog ib txoj kev puas siab puas ntsws uas pab peb txiav txim siab raws li nws yooj yim npaum li cas los coj ib yam dab tsi rau hauv siab. Tus neeg sawv cev heuristic yog ib txoj kev puas siab puas ntsws uas pab peb txiav txim siab los ntawm kev sib piv cov ntaub ntawv rau peb cov qauv kev puas hlwb
Daim ntawv teev kev sib pauv yog dab tsi thiab nws txoj haujlwm yog dab tsi?
Daim ntawv teev kev lag luam yog cov ntaub ntawv sib txuas ntawm txhua qhov kev hloov pauv hauv cov ntaub ntawv thaum cov ntaub ntawv tiag tiag muaj nyob rau hauv cov ntaub ntawv sib cais. Daim ntawv teev kev lag luam muaj cov ntaub ntawv txaus los tshem tawm tag nrho cov kev hloov pauv tau ua rau cov ntaub ntawv cov ntaub ntawv ua ib feem ntawm ib qho kev sib pauv