Video: Puas yog kev kawm tau yooj yim?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Kev sib haum xeeb raws li ib tug programming lus
Qee qhov piv txwv ntawm qhov no suav nrog C (thiab C ++, C #, thiab lwm yam), Python, Java (thiab JavaScript), Perl, lossis ob peb lwm tus. Kev sib haum xeeb tau tsim los ua yooj yim kawm rau cov programmers uas twb paub txog ib lossis ntau hom lus programming niaj hnub no.
Xav txog qhov no, kev sib koom ua ke nyuaj kawm?
Yog li kawm txhua yam ntawd Kev sib haum xeeb tuaj yeem ua tau yooj yim dua li kev kawm python lossis javascript. Cov nyuaj ib feem yog qhov tau txais koj cov cai los ua qhov koj xav tau nrog cov cuab yeej tam sim no, thiab cia kuv qhia koj, cov cuab yeej tam sim no muaj tsawg heev.
Ib yam li ntawd, Blockchain puas tsim nyog kawm? Tseeb, blockchains cia koj ua tej yam nthuav uas lwm hom databases tsis. Tab sis, thaum kawg ntawm hnub, a blockchain tsuas yog lwm hom database, thiab ib qho uas tsis tau lees paub tsis qhia npe lossis kev ruaj ntseg rau qib uas ntau blockchain cov neeg tawm tswv yim thov.
Tsis tas li ntawd, hom lus twg zoo ib yam li?
Kev sib haum xeeb yog ib tug txhob txwm loosely-typed programming lus , heev zoo ib yam li JavaScript nrog ". sol" raws li cov ntaub ntawv txuas ntxiv. Nws yog tam sim no feem ntau siv thiab txhawb nqa programming lus . Nws tau cuam tshuam los ntawm C ++, Python thiab JavaScript thiab yog tsim los tsom rau Ethereum Virtual Machine.
Yuav ua li cas koj program hauv solidity?
Pib ib qho Ethereum ntawm (piv txwv li geth lossis testrpc lossis ethersim) Sau koj li Kev sib haum xeeb ntse daim ntawv cog lus siv solc => tau rov qab binary. Muab koj daim ntawv cog lus tso ua ke rau hauv lub network. (Cov kauj ruam no yuav raug nqi ether thiab kos npe rau daim ntawv cog lus siv koj qhov chaw nyob qhov chaw nyob hauv hnab nyiaj, lossis koj tuaj yeem qhia lwm qhov chaw nyob.)
Pom zoo:
Dab tsi yog cov txheej txheem ntaub ntawv yooj yim rau kev puas tsuaj thiab kev tsim txom?
Cov ntaub ntawv kaw lus yooj yim rau kev puas tsuaj, kev ua yuam kev thiab kev tsim txom vim nws yog ib hom ntawm cov ntaub ntawv digital. Nws kuj yog qhov yooj yim dua vim nws qhib rau leej twg. Hackers tuaj yeem tso tawm qhov tsis lees paub ntawm kev pabcuam (DoS) kev tawm tsam lossis nkag mus rau cov koom tes hauv tuam txhab, ua rau muaj kev cuam tshuam loj
Hom kev nkag tau zoo li cas yog qhov yooj yim tshaj plaws rau kev tawm tsam rov qab?
Kev ruaj ntseg routing hauv ad hoc tes hauj lwm Wireless ad hoc tes hauj lwm kuj raug rau replay tawm tsam. Hauv qhov no, qhov kev lees paub tseeb tuaj yeem txhim kho thiab ua kom muaj zog los ntawm kev txuas ntxiv AODV raws tu qauv
Nws puas yooj yim rau kev kawm tob?
Kev kawm tob yog muaj zog raws nraim vim nws ua rau tej yam nyuaj yooj yim. Yog vim li cas qhov kev kawm tob ua kom muaj qhov txaws yog qhov tseeb uas nws tso cai rau peb los hais ntau yam teeb meem kev kawm yav dhau los ua tsis tau raws li qhov kev poob qis qis los ntawm qhov gradient qhovntsej thiaj tsis mob, ib qho yooj yim tshaj plaws
Kev kawm puas yooj yim dua?
React nws tus kheej tsis yooj yim, TAB SIS: nws siv JSX, yog li koj yuav tau kawm 2 lossis 3 yam ntawm JSX (nws tsis nyuaj) qee qhov piv txwv thiab kev qhia siv ES5, qee qhov siv ES6
Puas yog kev kawm Java yooj yim?
Nws yog thawj hom lus zoo heev los kawm, vim koj tuaj yeem ua qee yam yooj yim yooj yim, thiab hom kev ua yuam kev koj yuav ua tau yooj yim to taub thiab kho. Tshwj xeeb, Java yog qhov yooj yim dua li C lossis C ++, qhov uas nws yooj yim rau kev ua yuam kev uas ua rau muaj qhov yuam kev tiag tiag