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Author: ProHoster

Halayen flagship Huawei Mate 30 Pro sun bayyana kafin sanarwar

Aka buga a

Kamfanin Huawei na kasar Sin zai gabatar da wayoyin salula na zamani na Mate 30 a ranar 19 ga Satumba a Munich. Bayan 'yan kwanaki kafin sanarwar hukuma, cikakkun bayanai dalla-dalla na Mate 30 Pro sun bayyana akan Intanet, wanda wani mai ciki ya buga akan Twitter. Dangane da bayanan da ake da su, wayar za ta sami nunin Waterfall tare da bangarori masu lankwasa sosai. Ba tare da la'akari da bangarorin lanƙwasa ba, diagonal ɗin nuni shine 6,6 […]

Cibiyar lura da Spektr-RG ta gano sabon tushen X-ray a cikin galaxy Milky Way

Aka buga a

Na'urar hangen nesa ta ART-XC ta Rasha da ke cikin cibiyar binciken sararin samaniya ta Spektr-RG ta fara shirin kimiyyar farko. A lokacin binciken farko na tsakiyar "kumburi" na Milky Way galaxy, an gano sabon tushen X-ray, mai suna SRGA J174956-34086. A tsawon tsawon lokacin lura, bil'adama ya gano kusan hanyoyin miliyan X-ray radiation, kuma kawai da dama daga cikinsu suna da nasu sunayen. A mafi yawan lokuta, su […]

Yadda zaka bayyana ma kakarka bambancin SQL da NoSQL

Aka buga a

Ɗaya daga cikin mahimman shawarwarin da mai haɓakawa ya yi shine wace rumbun adana bayanai don amfani da su. Shekaru da yawa, zaɓuɓɓukan sun iyakance ga zaɓuɓɓukan bayanai na alaƙa daban-daban waɗanda ke goyan bayan Structured Query Language (SQL). Waɗannan sun haɗa da MS SQL Server, Oracle, MySQL, PostgreSQL, DB2 da sauran su. A cikin shekaru 15 da suka gabata, yawancin sabbin […]

Ketare kwafi tsakanin PostgreSQL da MySQL

Aka buga a

Zan fayyace kwafin giciye tsakanin PostgreSQL da MySQL, da kuma hanyoyin kafa kwafin giciye tsakanin sabobin bayanai guda biyu. Yawanci, ana kiran rumbun bayanan da aka kwafi giciye, kuma hanya ce mai dacewa ta motsawa daga uwar garken RDBMS zuwa wani. PostgreSQL da MySQL bayanan bayanan ana ɗaukar alaƙa, amma […]

Hanyar Koyo Mai Tsananin STEM

Aka buga a

Akwai darussa masu kyau da yawa a duniyar ilimin injiniyanci, amma sau da yawa tsarin karatun da aka gina a kusa da su yana fama da babban aibi guda ɗaya - rashin kyakkyawar haɗin kai tsakanin batutuwa daban-daban. Mutum zai iya ƙin yarda: ta yaya hakan zai kasance? Lokacin da ake shirin horarwa, ana nuna abubuwan da ake buƙata da takamaiman tsari wanda dole ne a yi nazarin fannonin kowane kwas. Misali, don tattarawa da [...]

Gano raunin da kuma tantance juriya ga hare-haren hacker na katunan wayo da na'urori na crypto tare da ginanniyar kariyar.

Aka buga a

A cikin shekaru goma da suka gabata, baya ga hanyoyin fitar da sirri ko aiwatar da wasu ayyuka marasa izini, maharan sun fara amfani da leken asirin da ba da niyya ba tare da yin amfani da aiwatar da shirye-shiryen ta tashoshi na gefe. Hanyoyin kai hari na gargajiya na iya yin tsada ta fuskar ilimi, lokaci da ikon sarrafawa. Hare-haren tashoshi na gefe, a gefe guda, ana iya aiwatar da su cikin sauƙi kuma marasa lalacewa, […]

Al'amarin XY: Yadda ake Gujewa Matsalolin "Ba daidai ba".

Aka buga a

Shin kun taɓa tunanin sa'o'i nawa, watanni har ma da rayuka da aka ɓata don magance matsalolin "ba daidai ba"? Wata rana wasu mutane sun fara korafin cewa sai sun dade ba za su iya jurewa ba kafin hawan hawan. Wasu mutane sun damu da waɗannan zarge-zargen kuma sun kashe lokaci mai yawa, ƙoƙari da kuɗi don inganta aikin lif da rage lokutan jira. Amma […]

An saki Linux kernel 5.3!

Aka buga a

Babban sabbin abubuwa Tsarin pidfd yana ba ku damar sanya takamaiman PID zuwa tsari. Ana ci gaba da haɗawa bayan an ƙare aikin don a iya ba da PID zuwa gare shi idan ta sake farawa. Cikakkun bayanai. Ƙayyadaddun kewayon mitar a cikin mai tsara tsari. Misali, ana iya aiwatar da matakai masu mahimmanci a ƙaramin iyakar mitar (a ce, aƙalla 3 GHz), da ƙananan matakai masu mahimmanci a mafi girman matakin mitar […]

Habr Special #18 / Sabbin na'urori na Apple, cikakkiyar wayar hannu, ƙauyen masu shirye-shirye a Belarus, lamarin XY

Aka buga a

A cikin wannan fitowar: 00:38 - Sabbin samfuran Apple: iPhone 11, Watch da kasafin kuɗi iPad don ɗalibai. Shin Pro console yana ƙara ƙwarewa? 08:28 - Fairphone "Wayar Gaskiya" na'ura ce ta gaba ɗaya wacce za'a iya maye gurbin dukkan sassa a zahiri. 13:15—Shin “hankali” yana hana ci gaba? 14:30 - Wani ɗan ƙaramin abu da ba a ambata ba a gabatarwar Apple. 16:28—Me ya sa […]

Neovim 0.4.2

Aka buga a

Cokali mai yatsa na editan vim - Neovim a ƙarshe ya wuce alamar 0.4. Babban canje-canje: Ƙara tallafi don tagogi masu iyo. Demo Ƙara goyon bayan multigrid. A baya can, neovim yana da grid ɗaya don duk windows da aka halicce su, amma yanzu sun bambanta, wanda ke ba ku damar tsara kowane ɗayan su daban: canza girman font, ƙirar windows da kansu kuma ƙara naku gungurawa gare su. Nvim-Lua ya gabatar da […]

Varlink - kernel dubawa

Aka buga a

Varlink sigar kwaya ce da yarjejeniya wacce mutane da injina za su iya karantawa. Fayil ɗin Varlink ya haɗu da zaɓin layin umarni na UNIX na yau da kullun, tsarin rubutu na STDIN/OUT/ KUSKURE, shafukan mutum, metadata na sabis kuma yayi daidai da siffanta fayil ɗin FD3. Ana samun damar Varlink daga kowane yanayi na shirye-shirye. Ƙididdigar Varlink ta bayyana hanyoyin da za a aiwatar da kuma yadda. Kowane […]

Linux 5.3 kernel saki

Aka buga a

Bayan watanni biyu na haɓakawa, Linus Torvalds ya gabatar da sakin Linux kernel 5.3. Daga cikin manyan manyan canje-canje: goyan baya ga AMD Navi GPUs, masu sarrafa Zhaoxi da Intel Speed ​​​​Select Power Management Technology, ikon yin amfani da umarnin umwait don jira ba tare da yin amfani da hawan keke ba, yanayin 'amfani da clamping' don haɓaka hulɗa don CPUs asymmetric, pidfd_open kiran tsarin, ikon yin amfani da adiresoshin IPv4 daga subnet 0.0.0.0/8, ikon […]

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