2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Hom lus qhia pab koj tsim thiab tswj kom muaj kev huv huv. Txoj cai ntawm kev sau hom lus qhia yuam koj xav txog cov hom hauv koj qhov program. Txawm hais tias qhov xwm txheej zoo ntawm Python yog ib qho ntawm nws cov khoom muaj txiaj ntsig zoo, kev nco qab txog kev cia siab rau kev ntaus ntawv duck, ntau txoj hauv kev, lossis ntau hom rov qab yog qhov zoo.
Python hom hinting yog dab tsi?
Type hinting yog ib qho kev daws teeb meem rau statically qhia hom tus nqi hauv koj tus lej Python. Nws tau teev tseg hauv PEP 484 thiab qhia hauv Python 3.5. Lub npe: str syntax qhia tias lub npe sib cav yuav tsum yog hom str. Lub -> syntax qhia tias kev tos txais muaj nuj nqi yuav rov qab ib txoj hlua.
Koj sau cov lus qhia hauv Python li cas?
Nov yog li cas koj tuaj yeem ntxiv cov lus qhia rau peb txoj haujlwm:
- Ntxiv cov nyuv thiab hom ntaub ntawv tom qab txhua qhov kev ua haujlwm.
- Ntxiv tus xub (->) thiab hom ntaub ntawv tom qab ua haujlwm txhawm rau txheeb xyuas cov ntaub ntawv xa rov qab.
Kuv yuav siv Python hom twg?
Yav dhau los, muaj kev sib cav me ntsis hauv zej zog coding txog qhov twg Python version yog qhov zoo tshaj plaws los kawm: Python 2 vs Python 3 (los yog, tshwj xeeb, Python 2.7 vs 3.5). Tam sim no, xyoo 2018, nws yog qhov tsis muaj lub hlwb ntau dua: Python 3 yog tus yeej meej rau cov neeg kawm tshiab lossis cov uas xav hloov kho lawv cov kev txawj ntse.
Dab tsi yog lus qhia hauv Python?
Nyob rau hauv ib tug nutshell: Hom hinting yog lus txhais li cas. Koj hint homcov khoom koj siv. Vim yog qhov xwm txheej zoo ntawm Python, inferring lossis kuaj xyuas hom khoom siv yog qhov nyuaj.
Pom zoo:
Puas siv tau cov lus qhia ua lus qhia?
verb (siv nrog lossis tsis muaj khoom), re·con·noi·tred, re··noi·tring. Chiefly British. reconnoiter. Yuav ua li cas koj siv reconnoiter hauv kab lus? Piv txwv ntawm reconnoiter nyob rau hauv ib kab lus Ib qho kev ntoj ke mus ncig ua si rov qab los ntawm ntug dej hiav txwv kom paub qhov tseeb ntawm cov yeeb ncuab rog.
Kuv puas yuav tsum rov qhia kuv lub suab nrov?
Koj yuav tsum tau rov ua lub caij koj cov av noo ib ntus, txawm hais tias koj pom tias koj yuav tsum ua nws ntau tshaj ib xyoos koj yuav tsum tau saib mus rau hauv kev yuav khoom humidor tshiab. Ob txoj kev tswj cov av noo yog qhov tseem ceeb rau kev ua haujlwm ntawm koj cov av noo.
Kuv puas yuav tsum siv cov xa tawm lossis cov lus qhia hauv paus?
Kev siv cov hauv paus zoo tshaj plaws yog ntawm DNS servers sab hauv ntawm qib qis ntawm namespace. Cov lus qhia hauv paus yuav tsum tsis txhob siv rau kev nug DNS servers sab nraum koj lub koom haum; DNS forwarders tau nruab zoo dua rau kev ua haujlwm no.
Yuav tsum tau siv thiab yuav tsum siv?
'Shall' yog siv rau hauv kev sau ntawv thiab qhia txog lub sijhawm yav tom ntej. 'Yuav tsum' yog siv nyob rau hauv kev sau ntawv feem ntau, thiab raws li yav dhau los tense ntawm 'Yuav tsum'. 'Yuav' yog siv los qhia cov tswv yim thiab kev cai.
Puas tau siv cov lus qhia ua lus qhia?
feem ntau yog siv los ua ib lub npe los piav txog ib pawg tub rog uas tsim los ntawm ob peb lub battalions, lo lus regiment kuj siv tau ua lus qhia. Puas yog regiment yog ib lub npe zoo? regiment siv los ua ib tug noun :Ib tug tub rog, loj dua ib lub tuam txhab thiab me dua ib pawg, muaj tsawg kawg yog ob battalions, ib txwm txib los ntawm ib colonel.
