ProHoster > Cov khoom los ntawm: ProHoster

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PostgreSQL Antipatterns: Kev Ntsuas Kev Ntsuas hauv SQL

Luam tawm rau

SQL tsis yog C ++, thiab tsis yog JavaScript. Yog li ntawd, qhov kev ntsuam xyuas ntawm cov ntsiab lus ntawm cov ntsiab lus tshwm sim txawv, thiab qhov no tsis yog tib yam: qhov twg fncondX() THIAB fncondY() = fncondX() && fncondY() Nyob rau hauv tus txheej txheem ntawm optimizing cov lus nug execution txoj kev npaj, PostgreSQL tau arbitrarily " rearrange" cov xwm txheej sib npaug, tsis suav ib qho ntawm lawv rau cov ntaub ntawv tus kheej, xa mus rau [...]

Cov lus xaiv: Apple txaus siab rau kev yuav TikTok

Luam tawm rau

Raws li koj paub, Asmeskas Thawj Tswj Hwm Donald Trump tau hais rau hnub Monday tias tsoomfwv lub tebchaws yuav txwv kev ua haujlwm ntawm Suav video pabcuam TikTok hauv Tebchaws Meskas yog tias tsis muaj lub tuam txhab Asmeskas tau txais los ntawm lub Cuaj Hli 15. Qhov xwm txheej tau tsim txoj hauv kev no vim muaj kev sib raug zoo ntawm tsoomfwv Meskas thiab Tuam Tshoj. Raws li nws tau paub ua ntej, nws txaus siab rau kev yuav khoom [...]

Google muaj teeb meem nrog kev yuav khoom Fitbit - European Union tau tshaj tawm qhov kev tshawb xyuas tag nrho ntawm kev tsis ntseeg

Luam tawm rau

Qhov $ 2,1 billion tau los ntawm Google, ib feem ntawm Alphabet tuav, ntawm cov chaw tsim khoom ntawm cov khoom siv coj los saib xyuas Fitbit, tsa cov lus nug hauv European Union. Cov lus teb yuav tsum raug pom nyob rau hauv qhov kev tshawb xyuas loj loj los tiv thaiv kev ntseeg tau tshaj tawm los ntawm European Commission rau hnub Tuesday. Kev tshawb nrhiav yuav kav plaub lub hlis thiab yuav tsum ua kom tiav thaum lub Kaum Ob Hlis 9. Cov lus tshaj tawm no tau ua ntej los ntawm kev tshuaj xyuas ua ntej ntawm cov xwm txheej [...]

Fedora 33 yuav pib xa cov ntaub ntawv hauv Internet ntawm Yam

Luam tawm rau

Peter Robinson ntawm Red Hat Release Engineering Team tau tshaj tawm tsab ntawv thov kom lees txais Internet ntawm Yam khoom xa tawm raws li kev tshaj tawm ntawm Fedora 33. Yog li, pib nrog Fedora 33, Fedora IoT yuav xa nrog Fedora Workstation thiab Fedora Server. Lub tswv yim tseem tsis tau raug pom zoo, tab sis nws cov ntawv tshaj tawm tau pom zoo ua ntej […]

Kev faib tawm tau kho cov teeb meem nrog kev hloov kho GRUB2

Luam tawm rau

Cov kev faib tawm loj ntawm Linux tau sau cov kev hloov kho kho tshiab rau GRUB2 bootloader pob los daws cov teeb meem uas tshwm sim tom qab BootHole qhov tsis zoo tau kho. Tom qab txhim kho thawj qhov hloov tshiab, qee cov neeg siv tau ntsib qhov tsis muaj peev xwm khau raj lawv lub tshuab. Cov teeb meem khau raj tau tshwm sim ntawm qee lub tshuab nrog BIOS lossis UEFI hauv Txoj Cai Lij Choj, thiab tau tshwm sim los ntawm kev hloov pauv rov qab, ua rau […]

FreeBSD 13-CURRENT txhawb tsawg kawg 90% ntawm cov khoom siv nrov hauv khw

Luam tawm rau

Ib txoj kev tshawb fawb los ntawm BSD-Hardware.info qhia tias FreeBSD qhov kev txhawb nqa kho vajtse tsis zoo li tib neeg hais. Qhov kev ntsuam xyuas tau coj mus rau hauv tus account tias tsis yog txhua yam khoom siv hauv kev ua lag luam yog qhov nrov sib npaug. Muaj cov khoom siv dav siv uas xav tau kev txhawb nqa, thiab muaj cov khoom siv tsawg uas nws cov tswv tuaj yeem suav ntawm ib sab tes. Raws li, qhov hnyav ntawm txhua tus neeg siv khoom raug coj mus rau hauv tus account hauv kev ntsuas [...]

QVGE 0.6.0 tso tawm (visual graph editor)

Luam tawm rau

Qhov kev tso tawm tom ntej ntawm Qt Visual Graph Editor 0.6, ntau lub platform pom duab graph editor, tau tshwm sim. Qhov chaw tseem ceeb ntawm daim ntawv thov ntawm QVGE yog "phau ntawv" tsim thiab kho cov duab me me raws li cov ntaub ntawv piav qhia (piv txwv li, rau cov khoom), tsim cov duab kos thiab cov qauv ua haujlwm ceev, kev tawm tswv yim-tso tawm los ntawm qhib hom (GraphML, GEXF, DOT), txuag cov duab hauv PNG / SVG / PDF, thiab lwm yam. QVGE kuj tseem siv rau kev tshawb fawb […]

Qhov nce thiab nqis ntawm San Francisco kev tsim kho kev lag luam. Kev nyiam thiab keeb kwm ntawm kev tsim kho kev ua haujlwm

Luam tawm rau

Cov kab lus no tau mob siab rau kev kawm txog kev tsim kho hauv nroog loj ntawm Silicon Valley - San Francisco. San Francisco yog lub thev naus laus zis "Moscow" ntawm peb lub ntiaj teb, siv nws qhov piv txwv (nrog kev pab ntawm cov ntaub ntawv qhib) los saib xyuas kev tsim kho kev lag luam hauv cov nroog loj thiab cov peev. Kev tsim kho cov duab thiab kev suav tau ua tiav hauv Jupyter Notebook (ntawm Kaggle.com platform). Cov ntaub ntawv ntawm ntau tshaj li ib lab daim ntawv tso cai rau […]

Peb pab kom sau cov xwm txheej hais txog kev tshaj tawm cov txheej txheem tsis txaus ntseeg hauv Windows thiab txheeb xyuas cov kev hem thawj uas siv Quest InTrust

Luam tawm rau

Ib qho ntawm ntau hom kev tawm tsam yog qhov spawning ntawm cov txheej txheem phem nyob rau hauv ib tsob ntoo nyob rau hauv cov txheej txheem tag nrho. Txoj hauv kev mus rau cov ntaub ntawv ua tiav tej zaum yuav tsis txaus ntseeg: malware feem ntau siv AppData lossis Temp folders, thiab qhov no tsis raug rau cov kev pabcuam raug cai. Yuav kom ncaj ncees, nws tsim nyog hais tias qee qhov kev hloov kho tsis siv neeg siv hluav taws xob tau ua tiav hauv AppData, yog li tsuas yog tshawb xyuas qhov chaw […]

Yuav ua li cas lub xov tooj tau los ua thawj ntawm cov kev kawm nyob deb heev

Luam tawm rau

Ntev ua ntej lub hnub nyoog Zoom tuaj txog thaum muaj tus kabmob coronavirus, cov menyuam yaus daig hauv plaub phab ntsa ntawm lawv lub tsev raug yuam kom kawm txuas ntxiv. Thiab lawv tau ua tiav ua tsaug rau "qhia-ib-xov tooj" kev cob qhia xov tooj. Thaum muaj kev sib kis thoob qhov txhia chaw, txhua lub tsev kawm ntawv hauv Tebchaws Meskas tau raug kaw, thiab cov tub ntxhais kawm tau tawm tsam mus txuas ntxiv lawv txoj kev kawm hauv tsev. Hauv Long Beach, California, ib pawg ntawm cov tub ntxhais kawm theem siab tau los ua thawj […]

Thawj cov duab ntawm Huawei Mate 40 luam tawm: tsis muaj kev hloov pauv loj hauv kev tsim

Luam tawm rau

Smartphones los ntawm Huawei Mate 40 tsev neeg yuav nthuav tawm lub caij nplooj zeeg, tab sis twb muaj ntau cov lus xaiv txog cov khoom tshiab hauv Is Taws Nem. Txawm li cas los xij, txog tam sim no tseem tsis tau muaj cov ntaub ntawv hais txog qhov tshiab Suav flagships yuav zoo li cas. Twitter blogger @OnLeaks tau sau qhov sib txawv no. Hauv kev koom tes nrog HandsetExpert.com, nws nthuav tawm renders ntawm Mate 40. Thawj yam uas catches koj lub qhov muag […]

Xiaomi Mi 10 Pro Plus yuav tau txais lub koob yees duab loj loj

Luam tawm rau

Samsung Galaxy S20 Ultra qhia lub ntiaj teb loj npaum li cas lub koob yees duab tseem ceeb tuaj yeem ua tau. Tom qab no, Huawei P40 Pro nkag mus rau hauv kev ua lag luam, uas tau ua pov thawj tias cov tuam txhab tsis ntshai ntxiv qhov loj ntawm qhov module no. Thaj, Xiaomi yuav sai sai no yuav tso tawm Mi 10 Pro Plus nrog lub koob yees duab loj loj tiag tiag. Cov duab ntawm rooj plaub tiv thaiv tau xau online, [...]

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