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Ibhulogi > Vielhuber David

Uchungechunge losuku ku-Google AmaSpredishithi

Lapho ubona ngeso lengqondo idatha ku-Google AmaSpredishithi, umuntu uhlangabezana nenkinga yokuthi i- \(x\) axis engeke igcwalise ngokuzenzakalelayo izikhala ezilahlekile zamanani wombhalo (anjengeviki lekhalenda). Ukuxazulula inkinga, umuntu ukhiqiza uchungechunge oluqhubekayo lwamadethi, abale amaseli ngokwawo abese ezibuka inani eliqoqiwe.

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Iseluleko Esisheshayo: PHP clearstatcache

Thola iphutha:

72aaa2dbd201d49fc2ee429ebf68f15b

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Ukuhumusha kwe-API ye-Google

Njengengxenye ye-Google Cloud yayo, i-Google inikeza i- Google Translation API ngesakhiwo sezindleko ezenzelwe ukusetshenziswa. Kukhona ne- API engabhalisiwe engasetshenziswa ngaphandle kokhiye , kepha yenqaba ukusebenza ngemuva kwezicelo ezimbalwa nje. Uma usebenzisa umsebenzi wokuhumusha iwebhusayithi we-Google Chrome, kuyabonakala ukuthi amakhasi angahunyushwa ngekhwalithi enhle kakhulu ngaphandle kokukhawulelwa okubonakalayo.

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Iseluleko Esisheshayo: Ukumaka ngokuzenzakalela kwe-Git

Uma uxhumanisa i- Github ne- Composer , kuphoqelekile ukwabela inombolo yenguqulo nge- git tag . Umyalo olandelayo womugqa unquma usuku lwanamuhla futhi ulwengeza (ngokusho kweSemVer ) ngenombolo yenguqulo. Isibonelo, inguqulo 1.0.0 ilandela ngemuva kwe-1.0.9. Uma kungenakwabelwa umaki, inguqulo imakwa ngokuzenzakalela nge-1.0.0. Amathuluzi anjengezingwevu ezingatheni noma ze- git afinyeza lolu hlaka lwezinhlamvu .

8cd852c96ec1e60e8a5ac1f3614b2397

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Hlela inhlamvu ye-MySQL

I-MySQL ayinikezeli umsebenzi OKWENGEZIWE we-TrigGER. Ukuhlela isisusa esivele sikhona, kufanele usisuse kuqala bese uphinde usenze kabusha. Isitatimende se-CREATE TRIGGER singafundwa ngokungaqondile nge- information_schema . Singasebenzisa i-detour ukushintsha izimbangela. Ukuze wenze lokhu, yenza izinguquko zakho ngemiphumela yomyalo olandelayo we-KHEKA (shintsha i-database yokuqala negama lesisusa) bese wenza umbuzo.

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I-Trigger changes changes in VanillaJS

IVanillaJS ibilokhu ihlangana ne -veteran jQuery cishe kuzo zonke izindawo kusukela ku- ES6 futhi manje isiphakeme kakhulu. Ngakho-ke kufaneleka kancane kancane ukufuduka kwekhodi yelifa kude ne-jQuery. Kodwa-ke, kufanele uqaphele lapho kuvusa imicimbi yokushintsha kwezandla. Isibonelo, i- document.addEventListener ayihlanganisi ku- jQuery.change () . Ukubuka konke okulandelayo kufingqa izici ezikhethekile.

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Lawula amakhukhi nge-PHP ne-JS

Ukusethwa kwamakhukhi ngemibhalo yakho noma yangaphandle kungalawulwa kahle kusetshenziswa i-PHP neJavaScript. Yize lesi akusona isixazululo esanele sokusetshenziswa kwezisombululo zamakhukhi ngemuva kwesinqumo senkantolo esibhekene nePlanethiet49 (lapha kubalulekile ukuthi amathuluzi okulandela umkhondo anjengeGoogle Analytics awalandeli nhlobo futhi ngakho-ke ungabeki amakhukhi ngenxa yalokho), kungaba nomqondo yiba ngamakhophi amakhophi / amakheli amnyama ngokujwayelekile.

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Yenza amadivaysi asebenze ngesikripthi kuWindows

Ukuze wonge ugesi noma wehlise i-paranoia yakho yokubheka, kungakuhle ukuthi ukhiphe ngokuphelele amadivaysi angasetshenziswanga ekhompyutheni yakho. Amadivaysi anjengamabhokisi omsindo noma ama-webcams angenziwa / asebenze ngendlela yakudala esebenzisa iSiphathi Sedivayisi. Yonke le nto futhi isebenza nge-script. Esikhathini esedlule, indlela ejwayelekile yokwenza lokhu kwakuyi- adcon . IWindows 10 manje isinikeza indlela elula yokwenza lokhu ngePowerShell .

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Isizinda se-Skype Blur

I-Skype inomsebenzi omuhle, ofihlekile ofihlekile: Ukuhambisa ividiyo, vele uchofoze inkinobho yevidiyo bese usebenzisa umsebenzi othi " blur my background " ukumane ubhebhethekise ingemuva ngokuzenzakalelayo. Ngosizo lobuhlakani bokufakelwa, lokhu kusebenza nganoma iyiphi ikhamera noma ngaphandle kwemininingwane ejulile. Yonke le nto ivele ibonakale ichwepheshe futhi ifihla imininingwane eyimfihlo noma engemuva engabalulekile engxoxweni.

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Ukukhishwa kwe-SVG kusuka ku-Illustrator

Ama-SVG adlala indima esemqoka kuwebhu yanamuhla. Abagcinanga nje ngokufaka amafonti wesithonjana, banikeza futhi amathuba okukhohlisa nge-CSS noma ngeJavaScript. Uma ufuna ukusindisa isithombe se-vector kuwebhu kusuka ku- Adobe Illustrator njenge-SVG, kuzofanela wenze izilungiselelo ezithile ukugwema izingibe futhi unciphise izikhathi zokulayisha, engizokwethula esihlokweni esilandelayo.

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I-Project Euler: Imigudu ye-Lattice

I-Project Euler inguchungechunge lwezinkinga zokuhleleka ezithokozisayo ezivame ukuba nesizinda sezibalo. Izinkinga zivame kakhulu ukuthi kufanele zithuthukiswe ubuchule obuphezulu ukuze zifinyelele umgomo wazo ngesikhathi esifanele. Namuhla sixazulula inkinga 15: izindlela zeLattice , lapho isixazululo singatholakala nezindlela ezilula zokuhlanganiswa.

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Ukuvuselelwa okuzenzakalelayo kwe-WordPress

I-WordPress isebenzise izibuyekezo zasemuva kusukela kunguqulo 3.7 futhi yasebenza ngokuzenzakalelayo ukuze kukhishwe okuncane. Ungasebenzisa izihlungi ukuphatha le ndlela ngokunembile, evuselelwa ngokuzenzakalelayo. Ukufakwa okungapheli, okuzenzakalelayo okugcwele kwabo bonke okuncane, okukhulu, i-plugin, ingqikithi kanye nokubuyekezwa akunikezwanga, noma kunjalo, kulula ukwenza ngenye indlela.

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Ukusebenza kwe-bootup ye-OPcache PHP

Kumawebhusayithi asuselwa ku- WordPress , Joomla noma ku- Laravel , ngokwesibonelo, futhi engenakho okuqukethwe okuqondene nomsebenzisi, kungakuhle ukugcina wonke amakhasi enqolobaneni e-HTML futhi akhiqize i-cache ngesandla (noma ngokuzenzakalelayo) kuphela lapho i-backend ishintsha. Kodwa-ke, uma ikhasi liqukethe amandla ashukumisayo ancike ezimisweni namakhukhi noma futhi olimini nasendaweni, ukusetshenziswa kwe- OPcache kufanelekile

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AmaSpredishithi e-Google: andisa amafomula

Ukuze unwebise amafomula kuwo wonke amakholomu ngaphakathi kwe-Google AmaSpredishithi, kunconyelwa ukusetshenziswa komsebenzi olusizo i- ARRAYFORMULA . Ngeshwa, lokhu akusebenzi ngokuhambisana neminye imisebenzi ebalulekile efana ne- QUERY noma i- INDIRECT , yingakho ukuhlelwa komuntu okuphelele komqondo ngosizo lwe- Google Appscript noma kungenjalo ukukopishwa kwefomula phansi kulayini wokugcina kushiywe.

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Indida yeSimpson

I-Simpson paradox ngenye yezinto eziqondakala kalula futhi ngasikhathi sinye isimanga sezibalo. Kuhlala kwenzeka lapho amaqembu wedatha ekhombisa ukuthambekela okuthile, kepha inkambiso iyabuya lapho amaqembu ehlanganiswa. I-paradox ingaqondakala ngokushesha kusetshenziswa isibonelo esilula.

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Ithiphu esheshayo: Umphathi we-Google Tag

Umphathi we-Google Tag useyinto evamile yokuhlanganiswa kwemibhalo yokulandelela. Ngakolunye uhlangothi, lokhu kuhlukanisa kahle izibopho (uhlelo lokukhangisa online), ngakolunye uhlangothi, ungaqala ukusetha ngokushesha futhi ushintshe ukulandela ngomkhondo ngesinye isiteshi sokuhambisa. Ngezansi kwezeluleko ezimbili ezincane zokusetha izingxibi.

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Ithiphu esheshayo: I-FRITZ! Ibhokisi le-WLAN hotspot

Ngokuya nge-FRITZ! OS 07.10, kungenzeka ukuthi kube nethuba lokuthi i-FRITZ! Ibhokisi lisebenzise i-WLAN hotspot yomakhalekhukhwini njenge-fallback uma i-Intanethi iphansi. Umsebenzi ufihlwe ngaphansi kwe- Intanethi> Idatha yokuthola> Umhlinzeki we-Inthanethi> Ukufinyelela okukhona nge-WLAN . Ibhokisi le-FRITZ! Bese lisebenza njenge-router futhi linikeze inethiwekhi enebanga layo lamakheli. Uma i-Intanethi iyatholakala futhi, umane usetha kabusha ukusetha. Kwakudingeka futhi ngibheke ngenkuthalo izinketho ze- WLAN> Inethiwekhi yomsakazo> I-2.4 GHz frequency band band esebenzayo ne- Intanethi> Idatha yokuthola > IPv6> IPv6 ukwesekwa .

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Imbali Yempilo

Imbali yokuphila iyindlela eyaziwayo, efana nezimbali, iphethini yejometri etholakele ethempelini, emibhalweni yesandla futhi okwesikhathi esithile kusiko le-pop izinkulungwane zeminyaka. Iphethini nayo idlala indima ku-esotericism. Asikunaki konke lokhu okwamanje futhi sigxila ekwakhiweni okulula kwesakhiwo sejometri, esakhiwa imibuthano eminingana esatshalaliswa ngokulinganayo.

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Kubambezeleka nge-imeyili ku-Outlook

I-imeyili engatheni yezokuxhumana ye-asynchronous - ngaphandle kwazo zonke izingcingo zesahlulelo ezungeze iSlack neDiscord - indlela yokuxhumana ephambili endaweni yebhizinisi emhlabeni jikelele. Ngaphezu kwebhokisi lemiyalezo engenayo leMerlin Mann's Zero, kunamanye amasu amaningi okubhekana nokugcwala kwama-imeyili nsuku zonke, okubandakanya ukubambezeleka kwe-imeyili, isb. Ukulethwa kokulethwa kwama-imeyili.

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Kuvunguza kwezinombolo

Ezinsukwini ezimbalwa ezedlule, bengilokhu ngibuza lo mbuzo olandelayo kuStackExchange mayelana nokuqina kwamanani. Sifuna ifomula evaliwe yezixhumanisi zezinto ze- \(n\) oluphambili lwenombolo elandelayo, oluqala kusukela kumvelaphi iye ngaphandle ukuya kokungafuneki:

..  9 10 11 12
23  8  1  2 13
22  7  0  3 14
21  6  5  4 15
20 19 18 17 16
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Funda amalungelo ku-Google AmaSpredishithi

Lapho usebenza nge- Google AmaSpredishithi , imithetho elungile, esekwe umsebenzisi yokuhlela amaspredishithi, amakholomu nemigqa ingachazwa ngaphakathi kwespredishithi. Ngeshwa ayikho indlela yokunqabela amalungelo wokufunda. Kodwa-ke, lokhu kungasiza kakhulu ezimweni eziningi. Ngakho-ke bonisa amakhasimende akho amathikithi awathintayo noma abasebenzi kuphela amaphrojekthi abasebenza kuwo.

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Hlanganisa i-plug'n'Play

npm ungumphathi wephakethe ongazenzakalelayo weNode.js . I-Facebook isisungule isikhathi eside isixazululo sokuphathwa kwephakeji esibizwa nge- Yarn . I-Yarn ibonakala sengathi inyamalala kancane kwi-Github Readmes njengesixazululo esijwayelekile futhi izibalo ezikule ndawo esemthethweni zibonisa ukuthi kuphela ingxenye yamaphakeji yenziwa i-Yarn. Noma kunjalo, kufanelekile ukubheka ngaphandle kwebhokisi.

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Guqula i-PDF ibe yiLaTeX


Uhlelo lokuhlelwa kokuthayipha \(\TeX\) lwakhiwa ngo-1977 nguDonald E. Knuth odume ngodumo . Iphakheji yesoftware \(\LaTeX\) iseyingxenye ye-repertoire ejwayelekile lapho kwakhiwa amaphepha esayensi. Ngamathuluzi amabili alandelayo, ama-PDF asekhiqizwe kakade namanothi abhalwe ngesandla angaguqulwa abe yi-TeX ngokugcwele ngokuzenzakalelayo. Imiphumela ithembisa kakhulu.

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Ingxabano yokulingisa

Ingxabano yokulingisa kaNick Bostrom ilula umxhwele futhi ibhalwe ngokucacile. Akuzami ukufakazela ukuthi siphila ngendlela yokulingisa, kepha kunalokho yakhela izinketho ezintathu, enye yazo okufanele ibe yiqiniso. U-Elon Musk naye une-thesis efanayo, eyenze umbono waziwa ngumphakathi jikelele. Iphepha elisemthethweni lineminyaka engaphezu kwengu-14 futhi amakhasi amaningi afushane. Umyalezo ophakathi nendawo kulula ukuyiqonda futhi icophelele.

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Isiphazamisi esibucayi lapho usebenzisa i-WPML + ACF

Ama-plugins anamandla we- WPML wokusetshenziswa kwezilimi eziningi kanye ne- Advanced Custom Fields yamasimu akho ayingxenye yemishini eyisisekelo yokufakwa okuningi. Kuyacasula uma kukhona ukungasebenzi kahle ngokulahleka kwedatha. Imibiko yesiphazamisi esihlokweni ineminyaka eminingana ubudala futhi ayiphendulwanga ( lapha nalapha futhi lapha nalapha nalapha ). Ngayibhekisisa le nkinga.

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Kusetshenziswa ukuqaphela kwemisebenzi ehlutshiwe

Uma kuchazwa izincazelo zomsebenzi ngokuhlukaniswa kwamacala, kuyakusetshenziswa izikejana ze-curly. Siphenya umbuzo olula wokuthi ngabe lokhu kumelwa nakho kungaqedwa futhi nomsebenzi ungalandelelwa ubuyiselwe emuva kunothi olungakwenza ngaphandle kwalo. Isibonelo, umsebenzi

$$f: \mathbb{R} \to \mathbb{R}, f(x) = \left\{\begin{matrix} 42, & \text{falls } x = 0 \\ x, & \text{sonst} \end{matrix}\right.$$

usebenzisa imisebenzi eyisisekelo eyisibalo usebenzisa ithemu yomugqa owodwa?

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Ukulayisha ifayela ku-Facebook ku-App Browser

Kwamanye amafoni we-Android, zombili iziphequluli ezingaphakathi nohlelo ku-Facebook naku-Instagram (kusukela namuhla) ziziphatha kabi uma inkambu yokulayisha icacisile imfanelo yokwamukelwa ngaphakathi ekhasini elikhangisiwe noma elixhunyiwe. Inkinobho-ke yayingenamsebenzi. Uma uvula ikhasi elingaphandle, isiphequluli esijwayelekile ngaphandle kohlelo lwe-Facebook, konke kuhamba kahle. Lokhu kuyacasula (ikakhulukazi njengoba kubikwe isikhathi eside ), kepha kungaxazululwa nge-workaround.

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Ama-Devotols e-Chrome: hambisa izinto ze-DOM

Amathuluzi wonjiniyela we-Google Chrome aphakathi kwamandla anamandla emakethe yesiphequluli. Njalo ngenyanga kufakwa i-patter entsha, i-Google eyethula ifomu elicindezelwe ku- YouTube . Kepha imvamisa yizinto ezincane empilweni ezijabulisa. Uma ufuna ukususa izakhi ze-DOM ku-Google Chrome, ungakwenza lokhu ngenkinobho yokususa. Kepha kuphela namuhla ngibonile ukuthi izakhi ze-DOM nazo zingahanjiswa kalula kusetshenziswa ukuhudula nokudonsa:

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Iseluleko Esisheshayo: isimo se-git -

Umthetho onqabile kumkhathi we-git uthi: "Yenza ukuzibophelela kusenesikhathi futhi kaningi". Uma ubusuku busekude isikhathi eside noma uma ufuna ukubuka konke ngesimo samanje kwikhompyutha yakho, umyalo uholela

d8a38f92d0baa14f9d4568826c13ad46

"isimo se-git" sawo wonke ama-repositori akufolda yamanje noma kunoma iyiphi ifolda engezansi, futhi aqongelela amanani ngokubuka konke okuhle:

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Isitaki se-LAMP ku-Windows Subsystem ye-Linux

Befuna elilungile ukuthuthukiswa imvelo, i-Windows 10 izipesheli izixazululo okuphelele ezifana XAMPP , WAMP futhi MAMP , a ukufakwa bomdabu ngesandla kanye nezixazululo wekhasi ezifana abangondingasithebeni ( Scotch Ibhokisi ) kanye Docker ( Devilbox , Laradock ). Kodwa zonke izixazululo zami zehlulekile - ngaphandle kweyodwa - ngenxa yezidingo zami njengokucushwa kwamahhala, izitifiketi zangempela ze-SSL zasendlini, ukufinyelela kuwo wonke amadivayisi wokugcina kunethiwekhi yendawo, kanye nokuqina okuphezulu nokusebenza.

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Tricks for Laravel Eloquent Ubuhlobo

Elinye lamandla e- Laravel amandla alo amahle kakhulu. Uma unenombolo enkulu yamamodeli nobudlelwano eLaravel (ngenxa yamatafula amaningi ku-database), ukuhamba ngezinyawo kwesinye isikhathi kungagcina kukhodi enhle kakhulu. Ngokuhamba kwesikhathi, izandiso ezintathu ezincane zizitholele zona, engizokwethula kafushane ngezansi. Sisebenzisa amafa athile, izindlela zomlingo kanye nokuqoqwa ngokwezifiso.

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Vimbela ukufinyelela komphakathi ku- .git

Cishe yonke iphrojekthi yewebhu nakuyo yonke imvelo (kufaka phakathi ukukhiqizwa), ukuphathwa kwenguqulo ye- Git sekujwayelekile . I-Git ihlala idala ifolda encane ye .git futhi uma lokhu kuyinto esezingeni lefolda yomphakathi yewebhusayithi, ungangena kumafayela azwela esidlangalaleni (ngokwesibonelo, ukushaya /.git/logs/HEAD kukhombisa okwenziwe ekugcineni) . Lokhu kuchaza ngokuningiliziwe ukuthi ungasilingisa kanjani isimo sangaphandle (!) Se-Git ngaphandle kokufakwa kuhlu lwemibhalo.

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Node.js / npm / umqambi ngaphandle kwezimpande

Ku- blog endala engichazayo ngachaza ukuthi isingatha kanjani i-Node.js mahhala usebenzisa uHeroku . Manje ngibonisa indlela yokufaka i-Node.js , npm ne- Composer kunoma yikuphi okunye ukubamba okwabelwe ngaphandle kwamalungelo ezimpande ngemigqa embalwa yekhodi. Ungayisebenzisa ukufaka amaphakheji, faka izinhlelo zeVue.js noma vele uqale iseva ye-Express.js. Sihlala sisebenza kusikhombisi somsebenzisi futhi sisebenzisa i- nvm - iNode Package Manager.

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I-bug ekuhlelweni kokuhlangana ku-PHP 08
18

Kwi-PHP <7.2 ungakha ukuhlelwa okungasatholakali:

91367d1c4636fd753b381406024e303c

Manje ungenza ezinye izinto ngayo.

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Khipha imiyalo ngqo ngemuva kokuxhuma kwe-Ssh

Umyalo olandelayo uxhuma kwiseva nge-SSH, ikhipha imiyalo ethile (ngokwesibonelo, ishintsha ibe yisiqondisi futhi ikhiphe isimo se-git ), ishiya igobolondo livulekile. Ifayela le-.bashrc lilayishiwe, elinika amandla okuxhaswa kombala. Icebo ukusindisa ifayela lesikhashana / i-tmp / initfile ngemiyalo oyifunayo, ukuqala okuyi-subshell (ecaleni lethu bash) ngomyalo - ifayela lefayela. Ifayela elifanayo lisuswa ngokushesha ngaphakathi kwalesi sinqumo ukuze kungashiywa iminonjana.

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Ukushayela kwenethiwekhi njengomlawuli

Uma uxhuma idrayivu yenethiwekhi kuWindows Explorer, lokhu akusebenzi kuhlelo lonke, kodwa ku-akhawunti yomsebenzisi yamanje. Lokhu kusho ukuthi awukwazi ukufinyelela le drive yenethiwekhi kuhlelo lokusebenza olusebenza ngamalungelo omlawuli. Kulula ukushintsha: Dala i-DWORD entsha (32 bit) eqanjwe i- EnableLinkedConnections ngenani 1 ebhukwini elingaphansi kwe- HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ yamanjeVersion \ Izinqubomgomo \ Uhlelo bese uqala kabusha. Ngemuva kwalokho ukuqhutshwa kwemishini yenethiwekhi okuhlanganisiwe kuyabonakala yonke indawo.

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Iseluleko Esisheshayo: Faka amafolda njengawashayela

Uma ufuna ukufinyelela ngokushesha ifolda lendawo ku-Windows oyisebenzisa kaninginingi, ungavele ulinike incwadi yakho ye-drive. Lokhu kungenziwa kuphela nge- "Xhuma idrayivu yenethiwekhi" nge-detour, ngoba awukwazi, ngokwesibonelo, ukucacisa indlela C: \ Abasebenzisi \ David \ Downloads. Isixazululo sinikezwa yilokho okubizwa ngokuthi ukukhishwa kokuphathwa kwe-drive, okukhona njengokujwayelekile kwifolda ngalinye: Kulesi sibonelo ngenhla, lokhu kuzoba yi- \\ localhost \ c $ \ Abasebenzisi \ David \ Downloads .

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Bamba amasele

Isele ligxuma entanjeni yezinombolo bese uzama ukuyibamba. Ukugxuma nokubamba kuhlale kuhlukile. I siqala frog endawni \(s \in \mathbb{Z}\) kanye konke okwenzayo ke kuzuba ibanga \(z \in \mathbb{Z}\) (uma \(z>0\) ke kuzuba ngakwesokunxele, ngaphandle kwalokho ngakwesokunxele). \(z\) kuyafana kuwo wonke amaphuzu. Ukufiphaza kuqukethe ukucacisa isikhundla senamba. Awazi noma yini \(z\) noma \(s\) . Sikhombisa ukuthi kunendlela yokuthi ngaso sonke isikhathi sibambe amasele.

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Amagama amafayili amade ku-Windows 10

Hhayi uma usebenzisa i- npm ngaphansi kweWindows, ufinyelela umkhawulo weminyaka ecishe ibe ngu-30 okhawula izindlela eziya kumafolda namafayela afinyelela kwezinhlamvu ezingama-255. Akuyona iphutha le-NTFS, yi- LFN . Lokhu kuholela kuzimbungulu ezicasulayo nokungasebenziseki phakathi kwezinhlelo zokusebenza. Ngezikhathi ze- WSL, lesi yisimo esingesihle, esinenhlanhla esingalungiswa kwirejista isikhathi eside.

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I-Laravel inikela endaweni yasendaweni

Ohlelweni lwe-PHP Laravel ngaphakathi kwezindawo ezikhiqizayo, abasebenzi kanye nabaqondisi baqinisekisa ukuthi imisebenzi egcinwe eRisis, ngokwesibonelo, iyenziwa. Uma ufuna ukuzimela ngokuphelele kulokhu ku-localhost, noma usebenzise umshayeli wokuvumelanisa ukwenza imisebenzi ngokushesha. Lokhu kunobunzima bokuthi inqubo yamanje ye-PHP ivinjiwe futhi isicelo silenga kuze kube yilapho umsebenzi usucutshunguliwe.

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Iseluleko Esisheshayo: Izinjongo ezihlanganisiwe kuGoogle Analytics

Ngosizo lwe-JavaScript library analytics.js kusuka kwaGoogle Analytics, noma imiphi imicimbi kumawebhusayithi ingalandelelwa. Le micimbi, ngokwesibonelo, ukulinganisa okuqondile kobude bokuhlala, ukujula okuphezulu kokujwayela kwezivakashi noma ezinye izinto ezenziwa njengofomu lokuhambisa. Uma kamuva ufuna ukuhlola imikhankaso yokukhangisa noma ukwenza izivivinyo ze-A / B, ngokwesibonelo, udala amaphrojekthi okuthiwa yithagethi.

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Ukungasebenzi kwesilondolozi se-Pragmatic

Ukunikezwa kweseva manje sekuyingxenye ye-repertoire esejwayelekile yamawebhusayithi nezicelo. Iziphequluli ezifana ne-Google Chrome nazo zivame ukulondoloza okwesikhashana ngangokunokwenzeka ukunciphisa izikhathi zokulayisha zezingcingo ezengeziwe. Ukungasebenzi kwe- cache kwamafayela we-CSS / JS / image kungaxazululwa ngosizo lwe- mod_pagespeed , Expires / Header control , a cache expression or pragmatic kakhulu futhi ngqo ngamapharamitha ngamanye ngemuva kwegama lefayela.

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Ama-Bitbucket nezikhiye ze-SSH

Umhlinzeki we-Bitbucket unikeza (futhi kuleyo ekhokhelwa amanani ajwayelekile nePrimiyamu) akunakwenzeka ukuthi ugcine okhiye be-SSH benamalungelo okubhala ezingeni lokuphonsa. Ukugcina ukhiye wakho we-SSH kwiseva yokukhiqiza akuyona inketho, ngoba uma kungenjalo ungafinyelela wonke amanye amaphrojekthi osebenza kuwo njengamanje. Kukhona okhiye bokufinyelela , kepha lokhu kuvumela ukufinyelela okufundwayo kuphela.

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Ama-Windows Sysinternals nge-network drive

Amathuluzi kaMark Russianinovich's Sysinternals akufanele angabi khona kunoma iyiphi ikhompyutha yeWindows. Uma uhlala ufuna ukuba nenguqulo yakamuva ekhona, ungayihlanganisa njenge-drive network. Ukusetshenziswa kwe- net net s: \\ live.sysinternals.com \ DavWWWRoot kulayini womyalo kwanele (njengomsebenzisi ojwayelekile). Kamuva, amathuluzi amahle afana ne-PsList, PsKill noma i-process Explorer ayatholakala kwi-S drive.

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Ithiphu esisheshayo: Amashidi e-Google Amaviki kanye neKhalenda

Lapho kukhipha amasonto ekhalenda ngosuku oluthile, kufanele uqaphele ku-Google AmaSpredishithi (njengaseMicrosoft Excel). Umsebenzi = ISONTO LEKHALENDA (NAMUHLA ()) libala kusetshenziswa indinganiso yaseMelika, okuthi usuku lokuqala lonyaka luhlale lubekelwe isonto lekhalenda 1. EJalimane kuchazwa ngendlela ehlukile: Lapha isonto lekhalenda lokuqala liyisonto lapho okungenani izinsuku ezine ziwela onyakeni omusha. KumaSpredishithi weGoogle ungayixazulula le nkinga (ngaphezu kwezinye izindlela ezijabulisayo ezifana = ISIHLA ((NAMUHLA () NAMUHLA ) -2; 7) -9)) / 7) kanye ne-modified = IKHALENDA LESIKHATHI (NAMUHLA (); 21) ) kalula nomsebenzi = ISOWEEKNUM (NAMUHLA ()) .

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Izitifiketi ze-SSL ezizisayine ku-Chrome 58

Amawebhusayithi abethelwe abelokhu esezingeni kusukela ku- Let Encrypt . Izitifiketi ze-SSL nazo zibalulekile ekuthuthukisweni kwasendaweni (ngokwesibonelo, i- navigator.geolocation idinga ukubethelwa kwe-SSL endaweni yakini). Kusukela inguqulo 58 ye-Chrome, ukusekelwa kwe-CN (Igama elivamile) kuye kwehliswa kwathi iSAN (Isihloko Esingamagama Igama) sekuyimpoqo. Ngenxa yalokhu, i-Chrome ngokungazelele ayisemukeli zonke izitifiketi ze-SSL ezenziwe ngendlela evamile .

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Iminyaka emibili yabantu ababili

Cabanga ngabantu ababili \(A\) no- \(B\) abangazalwa ngosuku olufanayo futhi \(A\) mncane kuno- \(B\) . Khombisa: Kunemisuka emibili yobudala ngokuqondile \(a,b \in \mathbb{N}\) lapho okulandelayo kusebenza khona: \(2\cdot a = b\) . Siqale ngokubeka \(d \in \mathbb{R}^+\) njengomehluko weminyaka \(A\) no- \(B\) ngokuzalwa \( d = d_0 + d_1 \) \(A\) \( d = d_0 + d_1 \) \(A\) nge \( d = d_0 + d_1 \) , \( d_0 \in \mathbb{N}_0, d_1 \in \mathbb{R}, d_1 \in [0;1[\) . Manje sibheka noma iliphi iphuzu ngesikhathi \(x \in \mathbb{R}^+\) ngemuva kokuzalwa kwe- \(A\) nge \(x = x_0 + x_1\) , \(x_0 \in \mathbb{N}_0, x_1 \in \mathbb{R}, x_1 \in [0;1[\) .

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Ama-git namafolda angenalutho

Njengoba kwaziwa kahle ukuthi i- Git ayazi mafolda kepha ngamafayili kuphela, izinhlaka zefolda ezingenalutho azigcini lapho okugcinwa khona. Kodwa-ke, njengoba izinhlaka eziningi namaphrojekthi zizidinga ngokuphelele, kufanele zigcine lapho. Umkhuba ojwayelekile ukudala amafayela abizwa ngokuthi yi-placeholder (ngokuvamile abizwa ngokuthi .gitkeep) acacisa ngokungenaphutha isakhiwo sefolda. Lawa mafayili angenziwa kalula futhi, uma efiswa, angaqinisekisa futhi ukuthi amanye amafayela amafolda awanakwa.

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Ukusingathwa kwamahhala kweNode.js ngeHeroku

Ukusingathwa kweNode.js akusalokhu kuvamile kakhulu, ikakhulukazi emazweni akhuluma isiJalimane. Inkampani yaseMelika yamafu uHeroku inikeza ikhambi lapha - futhi mahhala . Uhlala njalo ubona i-paradigm "Yakha izinhlelo zokusebenza ... hhayi ingqalasizinda" futhi usenayo nemingcele. Njengesibonelo, sisebenzisa umsebenzi omncane we-cron osuselwa ku- PhantomJS , osakaza iwebhusayithi nsuku zonke futhi uthumele isihloko sekhasi nge-imeyili.

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Umsebenzi wokuzala kaCantor

Ngaphezu kwezimpikiswano ze-diagonal , uGeor Cantor uphinde athuthukise umsebenzi we-Cantor pairing \(\mathbb{N}^2 \to \mathbb{W}, \quad c(x,y) = \binom{x+y+1}{2}+x = z\) , okubandakanya noma yiziphi izinombolo ezimbili \(x,y \in \mathbb{N}\) ngenombolo entsha \(z \in \mathbb{N}\) . Isibonelo, \(c(3,4)=\binom{3+4+1}{2}+3 = \binom{8}{2}+3=\frac{8!}{6!\cdot 2!} +3 = 31 = z\) ukufaka amakhodi okuhlukile kwezinombolo \(3\) no- \(4\) ngenombolo \(31\) . Show: Iqoqo lamanani \(\mathbb{W} = \mathbb{N}\) , okungukuthi \(z\) lithatha zonke izinombolo zemvelo.

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Umhlaba nethanga

Cabanga umhlaba (njengebhola \(r_1 = 6370km\) ) \(r_1 = 6370km\) (njengebhola eline \(r_2 = 2mm\) ) bese \(r_2 = 2mm\) intambo phezu kwekhweyitha ukuze ilale kahle ebusweni. Manje unweba zombili izintambo ngemitha eyodwa. Zombili izintambo manje kufanele zelulwe ngokuphelele futhi ngaphezu kwe-ikhwetha - kepha azisekho ngokuphelele ebusweni, kepha zigoqeka phezu kweikhweyitha. Izintambo zintanta kangakanani ngaphezu komhlaba, ziphezulu kangakanani kothayi?

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Amathuba kuwashi le-analog

Yiziphi% zesikhathi ngosuku zonke lezi zandla ezintathu zewashi le-analog engxenyeni yesokudla yokushayela? Okokuqala ubheka isandla sehora, esihlala ohlangothini lwesokunene ngamahora ayi-12 kwama-24 (ama-50%). Kusukela kulesi sikhathi, isandla somzuzu ngakwesokunene emahoreni ayi-6 kwayi-12 (25%). Kula mahora ayi-6, isandla sesibili sichitha amahora ama-3 ngakwesokudla (i-12.5%).

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ILaravel: Ukusebenzisana ne-Eloquent Relationship

Nge-Eloquent, i-Laravel yenza ukuxhumana kalula ne-database kube lula kakhulu. Lapho usebenza nobudlelwano be- Eloquent , lapho ubiza okuguquguqukayo okunamandla (kusetshenziswa izindlela zomlingo ze -PHP), kufanele wazi ukuthi izimo zamamodeli azibonisi izinguquko ezintsha, kodwa esikhundleni salokho uzigcine unaphakade lapho zibizelwa okokuqala.

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I-Bitbucket: susa ifolda emlandweni we-Git

Kukhona umkhawulo onzima we-2 GB lapho kusingathwa i-Git ku- Bitbucket - uma lokhu kudluliwe, unokufinyelela okufundwayo kuphela okugciniwe. Ukuvikela lokhu, ngokwesibonelo, susa ngokushesha amafolda amakhulu noma amafayela kusuka ku-commits yakho. Kepha futhi kwezinye izimo (uma idatha yokufinyelela ingenile emlandweni noma ama-node_modules asengenile enkambeni futhi), kufanele uwuphindaphinde ngokushesha umlando we-Git ngokungafani nemvelo yawo.

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Hlanganisa isitifiketi se-SSL kusuka ku-DomainFactory ku-IIS

Ngezikhathi ze- Let Encrypt , amawebhusayithi abetheliwe asephenduke isilinganiso. Kodwa amakhadi wasendle noma izitifiketi ezandisiwe ezinokuqinisekiswa komnikazi othembekile ikakhulukazi nazo ziyadingeka. Umhlinzeki we- DomainFactory unikeza izitifiketi ze-SSL ezingabizi kakhulu ezingasetshenziswa nangaphandle. Ukusethwa ku- IIS yamanje kuyaphumelela ngaphandle kwe- CSR ngosizo lwe- OpenSSL . Kokulandelayo ngizokukhombisa kafushane ukuthi iziphi izinyathelo ezidingekayo.

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Isu lokuwina okuyindida lapho liqagela izinombolo

UThomas M. Cover ubuze lo mbuzo olandelayo owesabekayo ku- "Vula Izinkinga Ezokuxhumana Nekhompiyutha" ngonyaka we-1987: Isidlali \(X\) sibhala izinombolo zemvelo ezimbili ezihlukile nezakhethwe ngokungakhethi \(A\) no \(B\) ezinhlwini ezimbili ezihlukile Qaphela bese uzibeka phansi etafuleni. Isidlali \(Y\) manje sikhetha enye yezinhlamvu zamaphepha, ibona leyo nombolo futhi manje kufanele inqume ukuthi le nombolo incane noma inkulu kunenye inombolo esisabhekene nayo etafuleni.

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Ibhola ne-Linear Algebra

Lapho umdlalo webhola ukhahlela, ibhola ilala enkabeni yenkundla bese idudulwa bese ijikeleziswa ebaleni imizuzu engama-45. Ekuqaleni kwengxenye yesibili, ibhola liphinde libe maphakathi nenkundla. Sisebenzisa izindlela ezilula ze-algebra eziqondile, sibonisa ukuthi kungenzeka ukuthi kunamaphuzu amaningi njalo ngaphezulu endaweni efanayo nasendaweni yokuqala, noma ncamashi 2.

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I-Laravel: I-Blade template debugging

Lapho ulungisa iziphambisi ze-blade ze-blade ku-Laravel 5. * uvame ukuthola imiyalezo eyiphutha engenangqondo ebhekisa ekubukeni okulondolozwe. Esikhathini esedlule, wonke umuntu wayengcono: Umbono wokulungisa iphutha kuhlobo 4 uqukethe imisebenzi ewusizo futhi ubuhle. Ngemigqa embalwa yekhodi ungathola lokhu kubuya ngosizo lwama- whops ("amaphutha we-PHP wezingane ezipholile").

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Ukumelwa okuhambisana kahle kwama-logo ngeJavaScript

Noma ngabe kuyizethenjwa, abalingani noma amakhasimende - kunamacala amaningi lapho ufuna ukubonisa khona ama-logo amaningi eceleni ngokuhlangana. Izilinganiso zobukhulu bamalogo azihambelani kakhulu. Imvamisa umuntu ulandela ukuzwakala komuntu esiswini lapho eqamba usayizi ekwakhiweni, kepha futhi kunendlela ngqo yokubalwa kwesethulo esibonakalayo esibonakalayo ngokulinganisa izindawo zamalogo. Esibonelweni esilandelayo, ungakwenza lokhu ngemigqa embalwa yeJavaScript.

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Bheka okuguqukayo ku-PHP / JS ukuze ubekhona

Lapho usebenza ngokuguquguqukayo ku-PHP neJavaScript nsuku zonke, uvame ukubuzwa ukuthi ngabe okuhlukile akunalutho. Kuyafaneleka ukwazi imisebenzi yendabuko kanye nokungafani kwabo ukuze ubheke. Ngokucasulayo, ayikho indlela elula yokuhlola ukuthi ngabe okukhona kukhona noma cha. I-matrix elandelayo ikhombisa ukuthi kusho ukuthini lokhu. Imisebenzi yomsizi omncane ingasetshenziselwa ukwenza lokho okufunayo.

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Izingcingo ngobuningi nge sipgate.io

Nge-sipgate.io, iSipgate idale i-API yamafu ethokozisayo eninayo inqwaba yezinketho zazo zonke izici ze- inthanethi telephony. I-akhawunti imahhala, futhi kukhona inketho yamahhala ku-Feature Store yokusetha noma iyiphi inombolo yomthumeli yamahhala . Amadokhumenti kusuka ku-sipgate.io asanwebeka, kepha ngokufunda okuncane ku- Sipgate API esemthethweni ungabona ngokushesha izinto ezijabulisayo.

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Ukuphinda ungene ku-SQL

Amasistimu wokuphathwa kwemininingwane yedatha asuselwa ku-SQL alungele kuphela imibandela yokuphakama noma yokuphinda. Ezinye izinhlelo ezifana ne- ArangoDB zingcono lapha ( bekunenkulumo enhle ngalokhu eGOTO 2016 ). Kepha ungakha futhi imibuzo ephindaphindayo ku-SQL usebenzisa izinkulumo ezijwayelekile zethebula futhi ngaleyo ndlela ubuze imibuzo yamatafula omzali / wengane yabo bonke okhokho nezinzalo.

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I-WordPress: Yenza amakhasi wokugcina kungasebenzi

Ngokusho kwe-w3techs.com , i-WordPress njengamanje isebenza cishe ngo-27.4% wawo wonke amawebhusayithi emhlabeni jikelele. Ezimweni eziningi, lawa akuwona amabhulogi. I-WordPress ikhiqiza ngokuzenzakalelayo ama-URL amaningi, angavame ukusetshenziswa, futhi ikhiqiza izixhumanisi eziningi kakhulu ezenziwa yi-Google kangangokuba opharetha wewebhusayithi akazange abe nazo esikrinini. Konke lokhu kungasebenza ngomyalo olula.

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Qamba kabusha izinkambu zefomu le-PDF ngobuningi

Uma, njengami, ubambelela ekuqopheni izinkulungwane zamagama ezinkambu zamafomu, ikhonsoli yeJavaScript efakwe ku-Acrobat kuyisinqumo esihle. Kulokhu awukwazi ukwenza noma iyiphi ikhodi yeJavaScript kuphela, kepha futhi ungafinyelela konke okuqukethwe okukhona kwi-PDF (kufaka phakathi amasimu amafomu). Njengoba kungekho msebenzi wendabuko wokuqanjwa kabusha ku-JS-API, amasimu amafomu nazo zonke izakhiwo ayakopishwa futhi adalwe ngegama elisha.

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Shopware: Lungisa izinguquko ezihlukile

Inkinga eyaziwayo namanje ingaxazululwa ku-Shopware 5: Uma udala i-athikili ngokuhlukahluka okuxhomekeke kokunye ngezinketho zokucushwa okukodwa, kungenzeka ukuthi ezinye inhlanganisela azikwazi ukukhetha futhi ngenxa yalokho azikwazi uku-qoqwa ngaphambili. Ngosizo lwe-plugin, inkinga okwamanje ingalungiswa.

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Ulayini owodwa wobuningi bezinamba eziphambili

Kunobufakazi obanele bokungamanani kwezinombolo eziyinhloko - theorem eyaziwayo ye- Euclid evela eNcwadini Yezinto ayilahleki kunoma iyiphi inkulumo eyisisekelo mayelana nomcabango wenombolo. Kwi- American American Mathematicsical Monthly ( edition 122) uSam Northshield ushicilele ubufakazi obungenasisekelo bokuphikisana ngendlela ye-liner eyodwa, engingeke ngigodle yona (ngamazwana amafushane).

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Yenza umugqa womyalo we-Windows

Isisusa esibi seWindows singathuthukiswa ngokombono ngezinyathelo ezimbalwa ezilula. Ngakho-ke awukwazi nje ukuguqula umbala nosayizi womugqa womyalo, kepha futhi ukwandise ngokusebenza (ukhulisa i-buffer, ukufaka isethi enkulu yamathuluzi we-UNIX). Yize ukushesha kungasondeli ku- PowerShell 6.0 noma ku- Windows 10 Bash Shell , akudingeki ukuthi izifihle ngemisebenzi yansuku zonke.

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Ama-URL anamandla eJoomla

Ezinhlelweni zokuphathwa kokuqukethwe, ama-URL ngokuvamile awahlali elungiswa kusengaphambili futhi ngakho-ke awadalwanga ngokwezibalo kusengaphambili (njengomnikelo noma into yemenyu), kepha abeka izinto kusukela kusizinda. Okufanayo ne-WordPress ( njengoba kuchaziwe lapha ), kuyenzeka futhi eJoomla ukwakha izakhiwo ze-URL eziguquguqukayo (kungakhathalekile ukuthi uhlelo lwangaphakathi lwamagama). I- JRouter iyisinqumo esihle - noma ungasebenzisa i-liner eyodwa ku .htaccess.

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JavaScript PasteJacking

Iziphequluli zesimanje zingasebenzisa iJavaScript ukufunda nokubhala kubhodi yokunameka yomsebenzisi, okusho ukuthi nazo zingasetshenziswa. Ubuchwepheshe obusetshenzisiwe buyisigqoko esidala, kepha kamuva nje kuye kwaba nokuhlaselwa okwengeziwe nokwengeziwe (ngaphansi kwegama elithi "PasteJacking") kwi-Intanethi elisebenzisa leli thuba kumsebenzisi ongenalwazi. Ukuqaliswa ku-JavaScript kungu-banal.

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Shintsha amakholomu kuPostgreSQL

Ukushintshwa kwamakholomu etafula le-SQL kuyingxenye ye-repertoire ejwayelekile ku-MySQL - lokhu (okwamanje) akusekelwa ku-PostgreSQL. Wiki olusemthethweni ezinikezela ayo umnikelo ukuba inkinga, kodwa alibonisi isixazululo esisebenzayo ukuthi futhi isekela ukubukwa, indices ezibangela. Isigaba esilandelayo senza lo msebenzi (kuzo zombili i-MySQL ne-PostgreSQL) kungaba kulayini wokuyala - noma ngokuqondile ku-Laravel 5.

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Ithiphu esheshayo yeWindows Explorer

Uma ufuna ukuvula ngokushesha umyalo wefolda kufolda ekwiWindows Explorer, chofoza kufolda ngenkinobho yegundane bese ubamba ukhiye we-Shift (izinga elilodwa eliphakeme) bese ukhetha u- "Vula i-command command here" kumenyu yokuqukethwe. Ngisanda kuthola enye indlela, esheshayo uma ungaphakathi kwefolda: Lapha uchofoza indlela yamanje yefolda, thayipha "cmd" bese uqinisekisa nge-Enter.

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Izigaba ze-WordPress: ukubuka kwesihlahla / ifa

Uma usebenza ngezigaba ze-hierarchical (i-taxonomies) ku-WordPress, uzothola ukuthi, ngakolunye uhlangothi, ukuboniswa kwezigaba ezihloliwe ku-backend kudidekile futhi, ngakolunye uhlangothi, iminikelo ayigcini ngokuzenzakalelayo esigabeni sabazali lapho ifakwa esigabeni sezingane. Zombili zingagobeka ngemigqa embalwa nje yekhodi kusetshenziswa uhlelo olunamandla lwe-hook (ngesimo sesenzo nesihlungi).

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I-PHP 7 kanye neSportship Operator

Ngaphezu kwezici ezintsha njengokufaka uhlobo lwenhlobo yezinhlobo zedatha enobungozi noma ukusebenza kahle , i-PHP 7 nayo iza nezandiso eziningi ezintsha, ezilusizo zolimi. I- "Spaceship Operator" igcine ikwenzile lokho ezweni le-PHP (abahleli bezinhlelo zikaRuby noPerl bekwazi lokhu isikhathi eside). \($a $b\) ibuyisa \(0\) uma futhi kuphela uma kusebenza zombili zifana, \(1\) uma okusele kukhulu futhi kungenjalo \(-1\) .

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IIS I-7.5 PHP FastCGI timeout

Uma uhlanganisa i-PHP nge-FastCGI ku-IIS 7.5, iskripthi ngasinye sinqanyulwa ngokuzenzakalela ngemuva kwemizuzwana engama-600 (isb. Imizuzu eyi-10). Ukushintsha i-"max_execution_time" eguquguqukayo eyaziwa ngokuthi i-php.ini akunawo umthelela kulokhu, kufanele (futhi) ulungise izilungiselelo ze-FastCGI. Kulokhu, i-IIS inikezela ngesimo esibonakalayo sokuphathwa kokuhluka okufanele.

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I-Paradox ye-stochastics

Ithiyori elula yokulethwa iletha kanye nemisebenzi emihle ngezixazululo eziphikisanayo. Phezu kwale nkinga eyaziwayo yakumfowethu , manje sengizobhekana kafushane ngesinye isibonelo: "Manje nginezingane ezimbili. Ingane eyodwa umfana futhi yazalwa ngoLwesine. Yini okungenzeka ukuthi enye ingane nayo ingumfana?"

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Git, shopware namafolda angenalutho

Uhlelo lokulawulwa kwefayela le-Git alusizi, luyashesha futhi luyaphatheka. I-Git ihlala isebenza ngezinto, okungukuthi amafayela. Amafolda enziwa kuphela lapho kukhona amafayela kuwo, ngaphandle kwalokho i-Git ayiwabeki nhlobo. Lokhu kunemiphumela emibi engemihle kwamanye amaphrojekthi. Isibonelo, uhlelo lwesitolo se-Shopware lincike ekunamatheleni ngokuqinile ekwakhiweni kwefolda ukuze lisebenze.

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Shopware: Izindleko zokuthumela zomuntu ngamunye

I-Shopware inemodyuli enamandla yokuthumela izindleko, ekubalweni ongangena kuyo ngendlela okuqondiswe kuyo. Esimweni sethu sifuna ukusebenzisa lesi simo esilandelayo: Izindleko zokuthumela ngento ngayinye zinqunywa ngokuya ngesisindo sento (imikhawulo yesisindo ichaziwe). Ngaphandle kokukhethekile kuphela lapho izindleko zokuthumela ezingaguquki zibekwe ngawodwana ngayinye yento ngayinye.

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Letha into yakho

Awusoze wakudlula manje uma ufuna ukusebenza ngokuguquguquka nangokuzimela: ifu. Cishe kunenqwaba yabantu asevele basebenzisa ifu bengazi. Ukusakaza, ngokwesibonelo, konke okuqukethwe kugcinwa efwini futhi kungabizwa lapho kudingeka. INetflix iyisibonelo lapha eseya ithandwa kakhulu eJalimane. Noma ukuvumelanisa kwe-PC yedeskithophu noma i- laptop nawo wonke amadivayisi eselula nayo yenziwa kakhulu ngefu.

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Ama-permalinks anamandla ku-WordPress

Uhlelo lwe-WordPress permalink lungashintshwa kahle ngokwezidingo zakho ngosizo lwamathegi wesakhiwo . Ukuhlelwa kwe-% postname% mhlawumbe yisixazululo esivame kakhulu nesisebenzayo. Kodwa-ke, uma ufuna ukudala izixhumanisi eziguqukayo zangempela, okokuqala kufanele ukhulise uhlelo ngekhodi yakho.

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Izixhumanisi ezikhohlakele eziseZwini naku-Excel

Umuntu angacabanga ukuthi lapho evula ama-hyperlink avela kudokhumenti le-Word / Excel, isiphequluli esijwayelekile sesiqalwa nge-URL oyifunayo. Okumangazayo ngokwanele, lokhu akunjalo - okuholela emiphumeleni emibi engathandeki futhi kwenza izixhumanisi zeseshini / ezisekelwa amakhukhi, amakhasi avikelwe ukungena ngemvume ezinhlelweni zehhovisi esishiwoyo akunakwenzeka.

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Isixakaxaka soSuku lukaYise

NgoSuku lukababa lwanamuhla, indodakazi inika uyise isithombe azidweba ngokwakhe obekuyisikhathi eside ubaba efuna ukusho kuye. Indodakazi ithi: "Ngizokunikeza isithombe osicelile futhi isipho sami siyamangaza". Ubaba wethukile futhi wazindla ngeqiniso lalesi sitatimende.

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Hlanganisa imibhalo eguqukayo ene-HTTPS futhi ngaphandle kwayo

Ngabe ubopha ngaphakathi <head > - Imibhalo yasendaweni engabhalwanga futhi ibiza ikhasi elinesitifiketi esikhona se-SSL esifihliwe, le mibhalo ivinjiwe ngakho-ke ayenziwa. Uma umane ushiye le protocol, yonke imibhalo ifakwa nge-othomathikhi lapho iwebhusayithi ifinyeleleka nge-https: // - kungenjalo ngaphandle kokubhaliwe.

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Ukusebenziseka kumamenyu okwehlayo

Lapho usebenza ngamamenyu okwehla kwe-multidimensional, uvame ukuhlangana nenkinga yokuthi ama-submanus angalungile avulwa ngengozi noma i-submenu oyifunayo ivaliwe ngengozi. Lo mphumela wenzeka lapho i-pointer yegundwane ishiya imenyu ehambisanayo esezingeni eliphezulu lapho uzulazula kumuntu osekunwetshwe kakade i-submenu.

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Shopware: Yenza okuhlukile ngokuzenzakalelayo

Ku- Shopware , i-athikili yonke yento ethengiswayo yenziwe i-oda yangempela uma futhi kuphela uma konke ukuhlukahluka kunokusungula okungaphansi noma okulingana no-0. Ukuze ngisebenzise lokhu ngokwehlukahlukana, ngihlelele i-plugin encane, iBootstrap.php engizokunikeza ngezansi.

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Cela iphasiwedi kabili nge-SSL

Ukudalwa kwenkanyezi okulandelayo kuhlala kuholela emiphumeleni emibi engalungile: Uma uvikela isiza sakho nge-htaccess / htpasswd futhi ngasikhathi sinye uphoqa ukuxhumana kwe-SSL, uhlala udinga iphasiwedi efanayo kabili (kanye nge-http futhi uma uke wangena ngempumelelo ku-https). Ngosizo lwezigaba zokumiswa ezethulwe ku-Apache 2.4, inkinga ingafinyeleleka kalula.

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Izintambo zemigqa eminingi ku-JavaScript

Lapho kuhlelwa ngeJavaScript, umuntu uvame ukukhubeka ngokuntuleka kwendlela yokuthola izintambo zemigqa eminingi ngokuzifaka kukhodi emigqeni eminingi. Ngenkathi umsebenzi kwezinye izilimi njenge-PHP noma iRuby akuyona inkinga, iJavaScript ingasetshenziswa kuphela ngama-workaround, ukusetshenziswa kwawo kuncike ekunambithekeni komuntu siqu noma ekuxhaseni isiphequluli.

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Ubuhlakani bezokwakha - ingabe sikhona vele?

Uma ubheka ubuchwepheshe bokuqamba eminyakeni emibili edlule, uzohlala uthola amagama afana nobuchwepheshe obuhle noma ubuhlakani bokufakelwa (AI). Kepha uma sibhekisisa, siyabona ukuthi amadivaysi amaningi asesekude nobuhlakani bokufakelwa. Izinhlelo ze-Smart ekhaya ezifana nalezo ezivela e-Amazon noma ku-Google zivame ukuhlotshaniswa ne-AI.

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Ubuchwepheshe obusebenzisa amakhasino aku-inthanethi

Iminyaka embalwa manje bebelokhu behluma: amakhasino aku-intanethi. Abahlinzeki abangenakubalwa banika amandla abalandeli begeyimu ukuthi bathathe isikhathi sabo abathandekayo ngaso sonke isikhathi kuwashi ku-Intanethi. Uma ubuthanda ukuthanda ukuya ekhasino, ungazisindisa ngendlela namuhla bese umane uvule ikhompyutha. Kepha isebenza kanjani ngempela le mfundo?

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imeyili () ku-PHP nge-UTF-8 nama-umlauts

Ukuthumela i-imeyili nge-PHP kwenziwa kangcono ngezifundo ezinamandla njenge- PHPMailer . Imisebenzi e-wrapper elula yenza kube nokwenzeka ukusebenzisa okuqukethwe ku-UTF-8 ngemigqa embalwa yekhodi, ukushumeka izithombe nokuthumela okunamathiselwe okubhaliwe. Uma ufuna ukonga ngaphezulu futhi, ngokungafani nesincomo, sebenzisa i- imeyili yokusebenza ye-PHP () , uzohlangabezana nezinkinga kwakamuva lapho usebenzisa i-umlauts ne-UTF-8.

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I-Google PageSpeed ​​Insights vs. IGoogle Analytics

Amathuluzi wokuqinisekisa anjenge- W3C Markup Validation Service noma iGoogle PageSpeed ​​Insights ayasiza ekuhloleni kahle ikhodi nasekusebenzeni kwewebhusayithi. I-Google ithonya ikakhulukazi imboni yonke enemibono efana ngenhla kwesibaya - futhi futhi isetha imihlahlandlela eqinile kepha ewusizo ngokuya ngokuxhunyaniswa kwezithombe nokukhunjulwa. Kodwa-ke, kungenzeka ukuthi iGoogle inyathele ngezinyawo zayo.

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Siyakwamukela JavaScript 2.0

IJavaScript ibusa iwebhu ne-ECMAScript, umnyombo wolimi uyakhula. Ukucaciswa okusha (i-ES6 noma i-JS2), okulindelwe maphakathi nalo nyaka, kuletha nezinto eziningi ezintsha ezingase zizame namuhla. I-Firefox njengamanje inokwesekwa okungcono kakhulu , kepha ama-polyfill abizwa ngokuthi ngabadlulisi njengeGoogle Traceur nawo ayenzeka. Okulandelayo ngesibukezo esifushane sezici ezintsha ze-ES6.

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0,99999... = 1?

Ukuthi usesikoleni noma eyunivesithi: Umbuzo \( 0,99999... = 1 \) bese ufaka umbuzo wokuthi ingabe le nombolo elandelayo iyiqiniso yini: Yize ama-infinity \(0,99999... = A\) engxenyeni engakwesokunxele ye-equation, \(0,99999... = A\) igama: \(0,99999... = A\) . Ngemuva kokuphindaphindeka ngesici \(10\) nokuguqulwa okulula kwe-algebraic, sithola ukutholwa okokuqala okumangazayo.

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I-SQL: Ukusebenza okungahambi kahle naphezu kwenkomba

Ngisanda kubhekana nenkinga yokusebenza elandelayo yedathabheti ye-SQL: Etafuleni le-SQL elibizwa ngokuthi "abasebenzisi" ngokufakwa okuyi-1, 000,000, ukunqunywa kwenombolo yokubhalisa namuhla kuthathe amasekhondi angama-28. Kwikholomu "eyenziwe", izikhathi zokubhalisa zigcinwa ngefomethi "Ymd H: i: s".

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Inkinga encane chess

Ngaphezu kwenkinga ye- knight eyaziwayo nenkinga yabesifazane, kuneminye imibuzo eminingi ethokozisayo emhlabeni we-chess. Ngithinte izinto ezimbili ezincane ezibalulekile ezifakiwe ekubhaleni ngaphambili kwebhulogi . Uma ubhekana nezinkinga ze-chess ngokwezibalo, uthola ngokushesha ukuthi izibalo zinikeza izimpendulo ezilula futhi ezikhanyisayo zemibuzo eminingi.

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Amafayela atholakala ku-inthanethi nge-OneDrive

Noma ngabe i- OneDrive , i- Dropbox , i- Google Drayivu , i- OwnCloud , iBox.net : Akunandaba ukuthi ugcina amafayela akho ebhokisini - izinsizakalo zicishe zifane. Amaklayenti atholakala kuzo zonke izinhlelo ze-desktop nezeselula, amafayili angajwayelekile angabhaliwe kanye nezinketho zokwabelana zihluka kuphela. Kepha i-OneDrive, ehlanganiswe ohlelweni kusukela ku-Windows 8.1, inesici esisodwa esikhethekile: amafayili atholakala online kuphela.

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I-PHP: Ukufinyelela ifayela ngama-omlauts ngaphansi kweWindows

Amafayela kumaseva e-web kufanele ngaso sonke isikhathi angabi nazikhala (hhayi "lesi yisithombe.jpg"), ngaphandle kwama-omlauts noma abalingiswa abakhethekile (hhayi "ibhola.jpg"), ngaphandle kokubuyela emuva (hhayi "Umsebenzi \ Auto.jpg") futhi esimweni esiphansi (hhayi " test.JPG "). Kodwa-ke, muva nje, bekufanele ngifinyelele futhi ngicubungule inani elikhulu lamafayili achazwe ngaphambilini anoma yiliphi igama lefayela leprojekthi yekhasimende.

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Umbuzo we-SQL wokunquma uhlu lwamagama

Namuhla ngithole lo msebenzi olandelayo ngenkathi ngisebenza kwiphrojekthi yamakhasimende: Thatha "umsebenzisi" wethebula le-SQL ngezinsika "id" kanye "nenombolo" bese uthola uhlu lwamagama abo bonke abasebenzisi abahlelwe "amamaki", lapho abasebenzisi abane uthole amazinga afanayo ngesikolo esifanayo. Ngokusebenzisa eziguquguqukayo ezichazwe umsebenzisi , lo msebenzi ungaxazululwa ngendlela enembile futhi kalula.

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I-Facebook SDK: Hlola amathokheni ohlangothini lweseva

Lapho usebenza ne-Facebook SDK (ngokuqondile lapho usebenzisa umsebenzi wokungena ngemvume we-Facebook ngaphakathi kwesibonisi se-REST), ithokheni edlulisiwe etholwe iklayenti ku-Facebook kumele ihlolwe kuqala ukuthi isemthethweni yini kuseva ngaphambi kokuba kwenziwe eminye imisebenzi. .

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I-Chrome DevTools: Ikheli le-DOM

Ukuthi i-Chrome, i-Firefox, i-Opera, i-Safari noma i-Internet Explorer: Ngemuva kwamathuluzi kanjiniyela avuthiwe kwakuyinto ehlukile ye-Firefox ne- Firebug edumile kuze kube iminyaka embalwa edlule, amathuluzi wonjiniyela anamandla manje aseyingxenye yesilinganiso esivamile saso sonke isiphequluli, lapho kuningi esingakuthola unika.

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Ukufinyelela ohlelweni lwefayela usebenzisa i-SQL

Ngisanda kuthola ithuba elihle ku-MySQL lokuthepha ohlelweni lwefayela futhi ngithole imininingwane ebalulekile, ngokwesibonelo ngobukhona bamafayela namafolda noma okuqukethwe kwawo. Lokhu kungaba usizo kakhulu esikhundleni ngenxa php umsebenzi file_exists , kusukela ulwazi mayelana nokuba khona kwamakamu ifayela (ama) ingasetshenziswa namanje e umbuzo okwengeziwe ekuhlungeni futhi uquqaba imisebenzi.

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Izizinda ezinyakazayo ngendwangu

Izizinda zesithsaba se-animated zingangezela okuhlukahlukene ekubukweni kwewebhu okubonakala ngezithombe namavidiyo wesikrini esigcwele. Kungaba kuhle uma kulayishwa izikhathi kanye nokuxhaswa okubanzi kwe-software ne-software kuhambisana. Isixazululo esisodwa yile: i-canvas. Isakhi se-HTML esilawulwa yiJavaScript sisekelwa yizo zonke iziphequluli zamanje futhi senziwe kabusha ngokusebenza okuphezulu kumadivayisi eselula.

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Isilinganiselo sesici esingaguquki sezinto ze-HTML

Njengonjiniyela wewebhu, uvame ukuba namahloni okusebenza ngezinto ze-HTML - ngokuqhathanisa, ngokwesibonelo, ngokuhlukile kwento ye-img - ayinaso usayizi noma isilinganiso sici. Imvamisa ufuna ukuqinisekisa ukuthi lezi zinto ziziphatha kahle, kepha nokuthi isilinganiso phakathi kobubanzi nokuphakama kuyalondolozwa. I-CSS ayinikezi isixazululo esibonakalayo lapha ngokuzenzakalelayo. Kepha ngosizo lwe-mpo yokugoqa impahla uthola inhloso yakho.

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Isinqumo senkantolo ngokusetshenziswa kwezithombe zesitoko

Ngemuva kokuthi iNkantolo yesiFunda yaseCologne ihlehlise isithunzi seRedTube ngesonto eledlule futhi engakaze ivunyelwe ukugunyaza ukukhishwa kwamakheli e-IP aphikisanayo, isinqumo se-14 O 427/13 siphinde sikhiphe isahlulelo esiphikisana kakhulu nesingabazisayo: Umbhali weStock- Izithombe zesikhungo esithile sezithombe kumele zibizwe ngokubiza ngokuqondile izithombe zazo nge-URL yazo.

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I-Adieu Block & Inline - I-HTML5 eyamukelekile

Ukuqanjwa kwencazelo ye-HTML5 kuningi futhi eziningi zazo sezivele zisekelwa iningi lesimo sesiphequluli - ngezansi ngifuna ukugqamisa ushintsho olujabulisayo emithethweni yezinto zokwakha isidleke. I-HTML ibilokhu ihlukanisa phakathi kwebhulokhi nezinto ezifakwa ngaphakathi. Isibonelo, i-HTML4 Idokhumenti yohlobo lokuchazwa kwamagama i-h1, p, no-div njengebhlokhi ne, span, img njengezinto ezisemgqeni.

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Ukungena kwe-HTTP ku-IIS ne-Apache

Bobabili i-Apache ku-Unix ne-IIS ku-Windows izinhlelo zokungena ku-HTTP bacela ukuphuma kwebhokisi lefomu. Imibuzo eya kuwebhusayithi yakho akufanele ihlolwe kuphela futhi ihlaziywe njalo futhi ngesandla, hhayi nje ukuvikela ngokumelene nokuhlaselwa kokugenca (isb. Usebenzisa i-log file analzer efana AWStats ). Izindlela zamafayela we-log afanelekile ekucushweni okusetshenziswa kabanzi, ngokwesibonelo, ngokulandelayo:

  • /var/log/apache2/access.log (Isibonelo: Ubuntu 12.04, Apache 2.2)
  • C:\inetpub\logs\LogFiles\W3SVC1\u_ex<YYMMDD>.log (Isibonelo: IWindows Server 2012 R2, IIS 8.5)
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I-Joomla, IIS kanye namalungelo wokuqondisa

Lapho uhlanganisa iJoomla 3.2 ku-Windows Server 2008 R2 nge-IIS 7.5, kuvame ukuba nezinkinga ngamalungelo wesikhombisi, esivame ukuxazululwa ngokungafanele ngezilungiselelo ezinokuphana kakhulu. Isixazululo esilandelayo siphephile futhi sisebenza ngokuphelele:

  • Iqembu IIS _USRS lidinga amalungelo e-C: \ inetpub \ wwwroot \: Funda uphinde usebenze, bonisa okuqukethwe kwifolda, funda, bhala
  • Iqembu IIS _USRS lidinga amalungelo e-C: \ Windows \ Temp \: Funda uphinde usebenze, bonisa okuqukethwe kwifolda, funda, bhala
  • Umsebenzisi we-IUSR kumele abe seqenjini le-IIS_IUSRS (Ukuphathwa Kwekhompyutha> Abasebenzisi Bendawo namaqembu> Amaqembu)

Uma udinga amanye amalungelo wesikhombimfihlo (isib. Se-SSH noma i-FTP) kuwo wonke amafayela alayishwe nge-PHP, nawo uwahlela lokhu kufolda C: \ Windows \ Temp \. Uma ulayisha ifayela nge-PHP, i-PHP kuqala ikopisha leli fayela libe yisikhashana bese liyindlela yokugcina. Uma ifayela selifikile kuhlu lwesikhashana, lifa amalungelo alo futhi liwagcine ngemuva kokudlulela kufolda yokugcina.

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Ongaziwa enetheni: akunakwenzeka?

Ngezikhathi zokukhalazwa kwe-NSA, akuwona kuphela abasebenzisi abasebenzisa inethiwekhi abazibuza ukuthi umuntu angakwazi kanjani ukuhamba ngokungaziwa kwi-Intanethi ukuze agweme ukufutheka kwedatha yeziphathimandla nezinsizakalo eziyimfihlo. Kodwa-ke, lokhu kuvame ukuholela emaphutheni nasemibonweni engalungile. Umqondo oyiphutha wukuncipha kokungaziwa kokufihlwa kwekheli le-IP.

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McFIT - uphawu olusha, isithombe esisha

Iketanga lokuqina lokuqina liyazinikeza ubuso obusha. Esikhathini esedlule, imascot ephuzi ekhanyayo ebunjiwe njengebhanana yayihlobisa uhlaza oluhlaza okwesibhakabhaka, manje okusoba umnsalo ophuzi ngemuva kwesisekelo esinombala onqabile, ngakho-ke kwakha isakhiwo esingaqondakali. Imibala ye-FDP eluhlaza okwesibhakabhaka nokuphuzi ayigcini ngokunikeza i-logo, kodwa futhi nakuzo zonke ezinye izintambo zeMcFIT.

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I-Photoshop: buyela emuva ngesikhathi

Lapho abafowethu uThomas noJohn Knoll beqala ukuthuthukisa i-Adobe Photoshop ngo-1987, ngangingakazalwa. Namuhla, ngonyaka we-2013, i-software ingenye yezinhlelo ezaziwa kakhulu jikelele kanye nomholi wemakethe ongaphikanga emkhakheni wokucutshungulwa kwezithombe. Ngenxa ye-Adobe neMnyuziyamu weComputer History Museum, isoftware manje izogcinwa ngendlela ekhethekile.

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Ama-Oddities kumdlalo wamakhosi

I-Chess ibilokhu iheha amakhulu eminyaka - imithetho yayo kulula ukuyifunda futhi ukujula kwayo okumangalisayo kutholakala kuphela kubadlali abanolwazi (ngeshwa angibaleki phakathi kwabo). Kokulandelayo ngiphatha imibuzo emibili yokuzijabulisa: Kungenzeka yini ukuthi ufike endaweni ngokulandelana okuyikho lapho inkosi emnyama ihlaselwa ngondlovukazi abamhlophe ngasikhathi sinye? Lokhu kungenzeka futhi ngemibhoshongo emhlophe emibili?

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Insipho ebhaliwe esikhundleni se-blockbuster: 48fps

Ama-movie ajwayele ukurekhodwa futhi adlalwe emuva ezinhlaka ezingama-24 ngomzuzwana - kepha ifomethi ejwayelekile eneminyaka engu-100 yobudala engu- "24p" ibonakala sengathi iyanyakaziswa. Ukuze uvikele imiphumela emibi engemihle (isb. I-jerking eqinile ngesikhathi samakhamera wejubane eliphakathi nendawo) we-24fps wokuqagela, sekusebenze isikhathi eside ukuphinda izinga lokuphinda kube ozimele abangama-48 ngomzuzwana nangaphezulu.

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Isipelingi hlola kumawebhusayithi

Ukuhlolwa kwesipelingi okuzenzakalelayo kanye nokuhlolwa kohlelo lolimi manje sekujwayelekile ezinhlelweni zokucubungula amagama - kepha ukuhlola isipelingi sewebhusayithi ngokuzenzakalelayo bekuvele kubenzima ngokwedlule. I-Google Chrome ithatha igxathu lokuqala kule ndlela ngesheke elihlanganisiwe ezinkambeni zokufaka zemigqa eminingi (i-textarea). Manje kunesevisi futhi eyenza lokhu kwenzeke kuwo wonke amawebhusayithi.

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Izinombolo zocingo ezixhumeni - ubungozi bokuphepha?

Emasontweni ambalwa edlule ngabika ukuthi ngingavumela kanjani izivakashi ukuvula uhlelo lokusebenza lwefoni kumadivayisi eselula ngokuthepha kwinombolo yocingo. Manje kuvela amathuba okuthi ivinjiwe i-SIM khadi ngokungenakuphikiswa noma ukusetha kabusha idivaysi kuzilungiselelo zefekthri ngaphandle kokuba umsebenzisi enze noma yini ngezixhumanisi ezinjalo.

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Izisusa ze-imeyili ezihehayo

Ingabe amagama wesizinda namakheli e-imeyili kufanele abe njalo aphansi ukuqinisekisa ukuthi ungafika lapho ufuna ukuya khona? Noma ingabe lokhu akunangqondo ngokuphelele? Amaseva we-imeyili we-Google, ngokwesibonelo, anezilungiselelo ezingajwayelekile ngemiphumela ethokozisayo, engizoyethula kafushane enhlokweni elandelayo.

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Idizayini yamanani wemakethe yesitoko ezihlokweni zansuku zonke

Ngilandela eduze ukwakhiwa kwezinhlelo ezahlukahlukene kuthelevishini yaseGerman. Cishe noma yikuphi ukuthunyelwa kwempahla kugcina ukuklanywa kwenkampani yakhe unomphela. Inkambiso yakusihlwa yomhlangano ophambi kwesikrini se-TV ngo-10: 15 p.m ngezihloko zansuku zonke bezilokhu zingiphatha kabi kakhulu esiswini: Lapho wethula izintengo zamanje zamasheya wesitoko, kukhethwe uhlelo lombala oludidayo izinyanga eziningi.

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Xhumanisa izinombolo zocingo kahle

Uma wenza iwebhusayithi yakho ibe namadivayisi eselula, akufanele unake kuphela amasayizi ahlukene wesikrini, izikhathi zokulayisha ezifakiwe kanye nezici ezikhethekile ekusebenzeni (njengemiphumela yokuhambisa phezulu), kodwa futhi namandla akhethekile amadivayisi. Lokhu kufaka phakathi (abanye abantu kungenzeka bakhohliwe) nakho ukwenza izingcingo.

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Phindaphinda okuqukethwe kumabhulogi

Okuqukethwe okufanayo kumawebhusayithi ahlukene kujeziswa yi-Google ezimweni eziningi - noma kunjalo, i-algorithm ye-Google ihlakaniphile futhi ibona ukuthi ngabe izinto ezisezinhlokweni nakunyaweni ziyefana noma ukuthi izindinyana zokuhlola zingafinyelelwa kabili ngaphansi kwama-URL ahlukile. Umbuzo wokuthi i-Google isebenza kanjani amakhasi wokubuka ama-athikili ebhulogi iyajabulisa.

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Khulisa ukuphepha kwe-WordPress

Ukuphepha kohlelo lokulawulwa kokuqukethwe okwaziwa kakhulu njengamanje i-WordPress kungakhushulwa kakhulu ngokuguqula izikulufo ezimbili zokulungisa okuqukethwe. Lokhu kuthatha imizuzu emi-5 nemigqa emibili yekhodi kuphela. Yize le nkinga ingaxazululwa ngezinhlobonhlobo zama-plugins, ngizibekela umkhawulo ngamabomu lapha ukuze ngithole izixazululo ezingenayo i-plugin.

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