Cov txheej txheem:
Video: R ci ci ua tau dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
ci iab yog qhov chaw qhib R pob uas muab lub vev xaib zoo nkauj thiab muaj zog rau kev tsim lub vev xaib siv R . ci iab pab koj tig koj cov kev txheeb xyuas mus rau hauv kev sib tham hauv web application yam tsis tas yuav tsum muaj HTML, CSS, lossis JavaScript paub.
Yog li ntawd, R ci ci ua haujlwm li cas?
Nyob rau theem pib, ci iab yog ib R pob uas nqa R mus rau lub vev xaib. ci iab yog raws li tus qauv reactive programming, zoo ib yam li daim ntawv nthuav qhia. Spreadsheet cells tuaj yeem muaj qhov tseem ceeb, lossis cov qauv uas raug ntsuas raws li lwm cov hlwb.
Tom qab ntawd, lo lus nug yog, nws siv sijhawm ntev npaum li cas los kawm R ci? ob teev thiab 25 feeb
Tsis tas li ntawd, ua li cas koj thiaj li ci ntsa iab hauv R?
Relaunching Apps
- Khiav runApp("App-1"), los yog.
- Qhib lub app. R tsab ntawv hauv koj tus RStudio editor. RStudio yuav lees paub cov ntawv ci ntsa iab thiab muab khawm Khiav App (nyob rau saum tus editor). Los yog nyem lub pob no los qhib koj lub app lossis siv cov keyboard shortcut: Command + Shift + Enter (Control + Shift + Nkag rau ntawm Windows).
Puas yog R ci ntsa iab yooj yim kawm?
ci iab yog ib pob tshiab los ntawm RStudio uas ua rau nws incredibly yooj yim los tsim kev sib tham sib web applications nrog R . Rau kev taw qhia thiab cov piv txwv nyob, mus saib hauv ci iab homepage.
Pom zoo:
Dab tsi yog qhov hloov tshiab thiab tso cov lus nug ua dab tsi?
Qhov tsim nyog syntax thiab siv cov lus txib no yog raws li hauv qab no. INSERT: → ntxig yog cov lus txib hauv oracle SQL uas yog siv los ntxig cov ntaub ntawv rau hauv lub rooj. Hloov tshiab: → Hloov tshiab yog siv los hloov cov ntaub ntawv qub / cov ntaub ntawv nrog cov ntaub ntawv tshiab. DROP: → Drop yog siv los tshem tawm tag nrho cov lus los ntawm cov ntaub ntawv nrog lub rooj
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
Dab tsi yog qhov txawv ntawm cov ntaub ntawv uas tau tsav thiab cov lus tseem ceeb uas tau tsav?
Qhov sib txawv ntawm Cov Ntsiab Lus Tsav Tsheb thiab Cov Ntaub Ntawv Tsav Tsheb: Cov Ntaub Ntawv Tsav Tsheb: Li no nws tau qhia kom khaws cov ntaub ntawv sim rau qee cov ntaub ntawv sab nraud sab nraud ntawm cov ntawv xeem. Cov Ntaub Ntawv Tsav Tsheb Kev Xeem Ua Haujlwm pab tus neeg siv cais cov ntawv xeem cov logic thiab cov ntaub ntawv xeem los ntawm ib leeg
Dab tsi yog qhov cuam tshuam ntawm ib yam dab tsi?
Cov nyhuv feem ntau yog siv los ua lub ntsiab lus ntawm qhov tshwm sim lossis cuam tshuam ntawm ib yam dab tsi, qhov tshwm sim. Yog tias muaj 'a/an/the' nyob rau hauv pem hauv ntej ntawm nws, nws yog ib qho nyhuv
Dab tsi VM Series koj yuav tsum xav txog yog tias koj xav tau cov ntawv thov host uas xav tau kev ua haujlwm siab IO rau cov ntaub ntawv tsis tu ncua?
Teb: VM series uas koj yuav tsum yog xav txog yog tias koj xav tau txais cov ntawv thov uas xav tau kev ua haujlwm siab rau cov ntaub ntawv tsis tu ncua yog VMware workstation, Oracle VM virtual box lossis Microsoft Azure suav. Cov khoom siv no muaj qhov yooj yim tshaj plaws ntawm kev ua haujlwm hosting