ProHoster > Cov khoom los ntawm: ProHoster

Author: ProHoster

Cov yam ntxwv ntawm tus flagship Huawei Mate 30 Pro tau tshaj tawm ua ntej tshaj tawm

Luam tawm rau

Lub tuam txhab suav Huawei yuav nthuav tawm cov xov tooj zoo tshaj plaws ntawm Mate 30 series rau lub Cuaj Hlis 19 hauv Munich. Ob peb hnub ua ntej tshaj tawm txoj haujlwm, cov ncauj lus qhia ntxaws ntxaws ntawm Mate 30 Pro tau tshwm sim hauv Is Taws Nem, uas tau tshaj tawm los ntawm tus neeg sab hauv hauv Twitter. Raws li cov ntaub ntawv muaj, lub smartphone yuav muaj dej tsaws tsag zaub nrog sab nkhaus heev. Yog tias tsis noj rau hauv tus account nkhaus sab, cov kab pheeb ces kaum yog 6,6 […]

Spektr-RG soj ntsuam tau pom qhov chaw X-ray tshiab hauv Milky Way galaxy

Luam tawm rau

Lavxias teb sab ART-XC telescope nyob rau hauv lub Spektr-RG chaw soj ntsuam tau pib nws txoj kev tshawb fawb thaum ntxov. Thaum lub sij hawm thawj scan ntawm lub hauv paus "bulge" ntawm lub Milky Way galaxy, ib tug tshiab X-ray qhov chaw, hu ua SRGA J174956-34086. Nyob rau tag nrho lub sijhawm ntawm kev soj ntsuam, tib neeg tau tshawb pom txog ib lab qhov chaw ntawm X-ray hluav taws xob, thiab tsuas yog kaum ob ntawm lawv muaj lawv tus kheej lub npe. Feem ntau, lawv […]

Yuav piav qhia qhov txawv ntawm SQL thiab NoSQL li cas rau koj tus pog

Luam tawm rau

Ib qho kev txiav txim siab tseem ceeb tshaj plaws uas tus tsim tawm ua yog cov ntaub ntawv twg siv. Tau ntau xyoo, cov kev xaiv tau txwv rau ntau yam kev sib raug zoo database xaiv uas txhawb nqa Cov Lus Nug Lus Nug (SQL). Cov no suav nrog MS SQL Server, Oracle, MySQL, PostgreSQL, DB2 thiab ntau lwm tus. Hauv 15 xyoo dhau los, ntau yam tshiab […]

Hla replication ntawm PostgreSQL thiab MySQL

Luam tawm rau

Kuv mam li piav qhia txog kev sib sau ua ke ntawm PostgreSQL thiab MySQL, nrog rau cov txheej txheem rau kev teeb tsa tus ntoo khaub lig-replication ntawm ob lub database servers. Feem ntau, cross-replicated databases yog hu ua homogeneous, thiab nws yog ib txoj hauv kev yooj yim ntawm kev txav ntawm ib tus neeg rau zaub mov RDBMS mus rau lwm qhov. PostgreSQL thiab MySQL databases suav tias yog kev sib raug zoo, tab sis […]

STEM Intensive Learning Approach

Luam tawm rau

Muaj ntau cov kev kawm zoo hauv ntiaj teb kev kawm engineering, tab sis feem ntau cov ntaub ntawv kawm tsim nyob ib puag ncig lawv raug kev txom nyem los ntawm ib qho tsis zoo - tsis muaj kev sib raug zoo ntawm ntau yam. Ib qho yuav tawm tsam: qhov no yuav ua li cas? Thaum tsim ib qho kev cob qhia, cov yuav tsum tau ua ua ntej thiab ib qho kev txiav txim meej uas yuav tsum tau kawm yog qhia rau txhua qhov kev kawm. Piv txwv li, txhawm rau sau thiab [...]

Txheeb xyuas qhov tsis zoo thiab ntsuas qhov tsis kam tiv thaiv hacker tawm tsam ntawm daim npav ntse thiab crypto processors nrog kev tiv thaiv built-in

Luam tawm rau

Xyoo kaum xyoo dhau los, ntxiv rau cov txheej txheem rau kev rho tawm cov lus zais lossis ua lwm yam tsis raug tso cai, cov neeg tawm tsam tau pib siv cov ntaub ntawv tsis txaus ntseeg thiab kev tswj hwm ntawm kev ua tiav los ntawm cov kab sab nraud. Txoj kev tawm tsam ib txwm tuaj yeem kim nyob rau hauv cov nqe lus ntawm kev paub, lub sijhawm thiab lub zog ua haujlwm. Kev tawm tsam sab-channel, ntawm qhov tod tes, tuaj yeem siv tau yooj yim dua thiab tsis muaj kev puas tsuaj, […]

Qhov tshwm sim XY: yuav ua li cas kom tsis txhob muaj teeb meem "tsis ncaj ncees lawm".

Luam tawm rau

Koj puas tau xav txog pes tsawg teev, lub hlis thiab txawm tias lub neej tau poob los daws qhov teeb meem "tsis raug"? Muaj ib hnub, qee cov neeg pib yws tias lawv yuav tsum tau tos ntev ntev rau lub elevator. Lwm tus neeg tau txhawj xeeb txog cov lus thuam no thiab siv sijhawm ntau, kev siv zog thiab nyiaj txiag los txhim kho kev ua haujlwm ntawm lub elevator thiab txo lub sijhawm tos. Tab sis […]

Linux ntsiav 5.3 tau tso tawm!

Luam tawm rau

Kev tsim kho tshiab tseem ceeb Lub pidfd mechanism, uas tso cai rau koj los muab ib qho PID tshwj xeeb rau cov txheej txheem. Pinning txuas ntxiv tom qab cov txheej txheem raug txiav tawm kom PID tuaj yeem muab rau nws thaum nws pib dua. Paub meej. Cov kev txwv ntawm ntau zaus nyob rau hauv tus txheej txheem teem caij. Piv txwv li, cov txheej txheem tseem ceeb tuaj yeem khiav ntawm qhov tsawg kawg nkaus qhov pib (hais tias, tsawg kawg 3 GHz), thiab cov txheej txheem tseem ceeb tsawg ntawm qhov chaw pib ntau dua […]

Habr Tshwj Xeeb #18 / Tshiab Apple gadgets, lub xov tooj ntawm tes hloov pauv tag nrho, lub zos ntawm cov programmers hauv Belarus, qhov xwm txheej XY

Luam tawm rau

Hauv qhov teeb meem no: 00:38 - Cov khoom tshiab Apple: iPhone 11, Saib thiab pob nyiaj siv iPad rau cov tub ntxhais kawm. Puas yog Pro console ntxiv kev tshaj lij? 08: 28 - Fairphone "Honest Phone" yog ib qho khoom siv ua haujlwm tag nrho uas txhua qhov tuaj yeem hloov tau. 13:15​—Puas yog “kev ua haujlwm qeeb” qeeb? 14:30 - Ib qho me me uas tsis tau hais txog ntawm Apple kev nthuav qhia. 16:28​—Vim li cas […]

Neovim 0.4.2

Luam tawm rau

Lub diav rawg ntawm vim tus editor - Neovim thaum kawg dhau qhov version 0.4 cim. Kev hloov pauv tseem ceeb: Ntxiv kev txhawb nqa rau lub qhov rais ntab. Demo Ntxiv kev txhawb nqa multigrid. Yav dhau los, neovim muaj ib daim phiaj rau tag nrho cov qhov rais tsim, tab sis tam sim no lawv txawv, uas tso cai rau koj los kho lawv txhua tus nyias: hloov qhov loj me, tsim lub qhov rais lawv tus kheej thiab ntxiv koj tus kheej scrollbar rau lawv. Nvim-Lua qhia […]

Varlink - kernel interface

Luam tawm rau

Varlink yog lub ntsiab interface thiab raws tu qauv uas nyeem tau los ntawm tib neeg thiab tshuab. Lub Varlink interface sib txuas cov kev xaiv ntawm UNIX cov kab lus classic, STDIN / OUT / ERROR cov ntawv nyeem, nplooj ntawv txiv neej, kev pabcuam metadata thiab sib npaug rau FD3 cov ntaub ntawv piav qhia. Varlink tuaj yeem nkag tau los ntawm txhua qhov programming ib puag ncig. Lub Varlink interface txhais cov txheej txheem twg yuav raug siv thiab yuav ua li cas. Txhua […]

Linux Kernel tso tawm 5.3

Luam tawm rau

Tom qab ob lub hlis ntawm kev txhim kho, Linus Torvalds nthuav tawm qhov tso tawm ntawm Linux ntsiav 5.3. Ntawm cov kev hloov pauv tseem ceeb tshaj plaws: kev txhawb nqa rau AMD Navi GPUs, Zhaoxi processors thiab Intel Speed ​​​​Xaiv lub zog tswj thev naus laus zis, muaj peev xwm siv cov lus qhia umwait tos yam tsis siv lub voj voog, 'siv clamping' hom kom muaj kev sib cuam tshuam rau asymmetric CPUs, pidfd_open system hu, muaj peev xwm siv IPv4 chaw nyob los ntawm subnet 0.0.0.0/8, muaj peev xwm […]

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