Tutti i post di fila / Habr

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Tutti i post di fila / Habr
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Allpostsinarow/Habr/*cyrillic-ext*/@font-face{font-family:'FiraSans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts.gstatic.com/s/firasans/v11/va9B4kDNxMZdWfMOD5VnZKveSxf6TF0.woff2)format('woff2');unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F;}/*cyrillic*/@font-face{font-family:'FiraSans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts.gstatic.com/s/firasans/v11/va9B4kDNxMZdWfMOD5VnZKveQhf6TF0.woff2)format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;}/*latin-ext*/@font-face{font-family:'FiraSans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts.gstatic.com/s/firasans/v11/va9B4kDNxMZdWfMOD5VnZKveSBf6TF0.woff2)format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF;}/*latin*/@font-face{font-family:'FiraSans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts.gstatic.com/s/firasans/v11/va9B4kDNxMZdWfMOD5VnZKveRhf6.woff2)format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}/*non-breakinghyphen*/@font-face{font-family:'FiraSans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts.gstatic.com/l/font?kit=KFOlCnqEu92Fr1MmEU9vBh0_IsHAlmrO6g&skey=eec540fdec&v=v29)format('woff2');unicode-range:U+;}window.i18nFetch=newPromise((res,rej)=>{constxhr=newXML();xhr.open('GET','/js/i18n/en-compiled.eefea9ebcc505.json');xhr.responseType='json';xhr.onload=function(e){if(this.status===200){res({en:xhr.response});}else{rej(e);}};xhr.send();});HabrβHowtobecomeanauthorAllstreamsDevelopmentAdminDesignManementMarketingPopSciSearchProfilePulltorefreshAllstreamsArticlesNewsHubsAuthorsCompaniesEverythingDropdownCopyRSSlinkShowfirstNewTopRatinglimitAll≥0≥10≥25≥50≥100ApplyKaspersky_Labyesterdayat23:46Blood,sweatandpixels:releasingamobilegamewithnoexperience«ЛабораторияКасперского»corporateblogInformationSecurity*Gamedevelopment*InJanuary2022,we,atKaspersky,releasedourfirstmobilegame–Disconnected.Thegamewasdesignedforcompaniesthatwanttostrengthentheiremployees’knowledgeofcybersecuritybasics.Eventhoughgamedevelopmentisnotsomethingyouwouldexpectfromacybersecuritycompany,ourmotivationwasquiteclear–wewantedtocreateanappealing,interactivemethodofteachingcybersecurity.Overourmanyyearsofexperienceinsecurityawarenessandexperimentationwithlearningapproaches(e.g.onlineadaptiveplatforms,interactiveworkshopsandevenVRsimulations),we’venoticedthatevenifthematerialispresentedinahighlyengingway,peoplestilllacktheopportunitytoapplytheknowledgeinpractice.Thismeansthatalthoughtheyaretakingintheinformation,itwon’tnecessarilybeapplied.Readmore→Totalvotes7:↑7and↓0+7Views192Addtobookmarks0Comments0c30374Julyat19:35NotesaboutOpenTracingandLogsGo*1) OpenTracing(OT) != Logs buttheyareverysimilar.2) Everyapplicationhas2typesofscopes:ApplicationScope(AScope)andRequestScope(RScope).ReadmoreRating0Views228Addtobookmarks1Comments1c30374Julyat19:29ArGOtectureGo*ThisisanarticlethatdescribesmyvisionofbuildingasystemthatactivelyusesGoasthemainprogramminglangueandSOA/microservicesasadesignparadigm. HereIwilltrytocover4chaptersthattogetherallowustobuildasolidandreliablesystem.ReadmoreRating0Views271Addtobookmarks2Comments0Anastasia_Kochetova30Juneat21:45HowAnalystDays/14wentforusИннотехcorporateblogSystemAnalysisandDesign*ConferencesIT-companiesTranslationConferenceparticipationisoneofthemostimportantpracticesforprofessionaldevelopment.Hence,Innotechisactivelysendingoutbothitsspeakersandlistenersforthebiggestevents.SeniorAnalystAnastasiaKochetovasharesherimpressionsfromtheAnalystDays/14conference.ReadmoreRating0Views189Addtobookmarks0Comments0snakers430Juneat15:39MultilingualText-to-SpeechModelsforIndicLanguesMachinelearning*NaturalLangueProcessing*Voiceuserinterfaces*Inthisarticle,weshallprovidesomebackgroundonhowmultilingualmulti-speakermodelsworkandtestanIndic TTSmodel thatsupports9languesand17speakers(Hindi,Malayalam,Manipuri,Bengali,Rajasthani,Tamil,Telugu,Gujarati,Kannada).Itseemsabitcounter-intuitiveatfirstthatonemodelcansupportsomanylanguesandspeakersprovidedthateachIndiclanguehasitsownalphabet,butweshallseehowitwasimplemented.Also,weshalllistthespecsofthesemodelslikesupportedsamplingratesandtrysomethingcool–makingspeakersofdifferentIndiclanguesspeakHindi.Please,ifyouareanativespeakerofanyoftheselangues,shareyouropiniononhowthesevoicessound,bothintheirrespectivelangueandinHindi.ReadmoreTotalvotes2:↑2and↓0+2Views290Addtobookmarks1Comments0vldmrvslv29Juneat17:24DetectingattemptsofmassinfluencingviasocialnetworksusingNLP.Part2Python*DataMining*TwitterAPI*BigData*NaturalLangueProcessing*TutorialInPart1ofthisarticle,IbuiltandcomparedtwoclassifierstodetecttrollsonTwitter.Youcancheckitouthere.Now,timehascometolookmoredeeplyintothedatasetstofindsomepatternsusingexploratorydataanalysisandtopicmodelling.EDATodojustthat,Ifirstcreatedawordcloudofthemostcommonwords,whichyoucanseebelow.ReadmoreTotalvotes3:↑3and↓0+3Views273Addtobookmarks2Comments0vldmrvslv29Juneat17:20DetectingattemptsofmassinfluencingviasocialnetworksusingNLP.Part1Python*DataMining*TwitterAPI*BigData*NaturalLangueProcessing*TutorialDuringthelastdecades,theworld’spopulationhasbeendevelopingasaninformationsociety,whichmeansthatinformationstartedtoplayasubstantialend-to-endroleinalllifeaspectsandprocesses.Inviewofthegrowingdemandforafreeflowofinformation,socialnetworkshebecomeaforcetobereckonedwith.Thewaysofwar-winghealsochanged:insteadofconventionalweapons,governmentsnowusepoliticalwarfare,includingfakenews,atypeofpropandaaimedatdeliberatedisinformationorhoaxes.AndthelackofcontentcontrolmechanismsmakesiteasytospreadanyinformationaslTutti i post di fila / Habrongaspeoplebelieveinit.  Basedonthispremise,I’vedecidedtoexperimentwithdifferentNLPapproachesandbuildaclassifierthatcouldbeusedtodetecteitherbotsorfakecontentgeneratedbytrollsonTwitterinordertoinfluencepeople. Inthisfirstpartofthearticle,Iwillcoverthedatacollectionprocess,preprocessing,featureextraction,classificationitselfandtheevaluationofthemodels’performance.InPart2,Iwilldivedeeperintothetrollproblem,conductexploratoryanalysistofindpatternsinthetrolls’behiouranddefinethetopicsthatseemedofgreatinteresttothembackin2016.FeaturesforanalysisFromallpossibledatatouse(likehashts,accountlangue,tweettext,URLs,externallinksorreferences,tweetdateandtime),IsettleduponEnglishtweettext,Russiantweettextandhashts.Tweettextisthemainfeatureforanalysisbecauseitcontainsalmostallessentialcharacteristicsthataretypicalfortrollingactivitiesingeneral,suchasabuse,rudeness,externalresourcesreferences,provocationsandbullying.Hashtswerechosenasanothersourceoftextualinformationastheyrepresentthecentralmesseofatweetinoneortwowords. ReadmoreTotalvotes3:↑3and↓0+3Views418Addtobookmarks4Comments0ptsecurity24Juneat12:27IDSBypassatPositiveHackDays11:writeupandsolutionsPositiveTechnologiescorporateblogInformationSecurity*Networktechnologies*CTF*TheIDSBypasscontestwasheldatthePositiveHackDaysconferenceforthethirdtime(forretrospective,here's.Thisyearwecreatedsixgamehosts,eachwithafl.Togetthefl,participantshadeithertoexploitavulnerabilityontheserverortofulfillanothercondition,forexample,toenumeratelistsofdomainusers.Thetasksandvulnerabilitiesthemselveswerequitestraightforward.ThedifficultylaidinbypassingtheIDS:thesysteminspectednetworktrafficfromparticipantsusingspecialrulesthatlookforattacks.Ifsucharulewastriggered,theparticipant'snetworkrequestwasblocked,andthebotsentthemthetextofthetriggeredruleinTelegram.Andyes,thisyearwetriedtomoveawayfromtheusualCTFdandIDSlogstowardsamoreconvenientTelegrambot.Allthatwasneededtotakepartwastomessethebotandpickausername.ThebotthensentanOVPNfiletoconnecttothegamenetwork,afterwhichallinteraction(viewingtasksandthegamedashboard,deliveringfls)tookplacesolelythrougTutti i post di fila / Habrhthebot.Thisapproachpaidoff100%!ПодробнееTotalvotes3:↑3and↓0+3Views480Addtobookmarks0Comments0vldmrvslv23Juneat18:04HowwetackleddocumentrecognitionissuesforautonomusandautomaticpaymentsusingOCRandNERPython*NaturalLangueProcessing*SandboxInthisarticle,Iwouldliketodescribehowwe’vetackledthenamedentityrecognition(akaNER)issueatSberwiththehelpofadvancedAItechniques.Itisoneofmanynaturallangueprocessing(NLP)tasksthatallowsyoutoautomaticallyextractdatafromunstructuredtext.Thisincludesmonetaryvalues,dates,ornames,surnamesandpositions.Justiminecountlesstextualdocumentsevenamedium-sizedorganisationdealswithonadailybasis,letalonehugecorporations.TakeSber,forexample:itisthelargestfinancialinstitutioninRussia,CentralandEasternEuropethathasabout16,500officeswithover250,000employees,137millionretailand1.1millioncorporateclientsin22countries.Asyoucanimine,withsuchanenormousscale,thecompanycollaborateswithhundredsofsuppliers,contractorsandothercounterparties,whichimpliesthousandsofcontracts.Forinstance,theestimatednumberoflegaldocumentstobeprocessedin2022hasbeenover65,000,eachofthemconsistingof30pesonere.Duringthelifecycleofacontract,acontractusuallyupdatedwith3to5additionalreements.Ontopofthis,acontractisaccompaniedbyvarioussourcedocumentsdescribingtransactions. AndinthePDFformat,too.Previously,theprocessingdutybefellourservicecentre’semployeeswhocheckedwhetherpaymentdetailsinabillmatchthoseinthecontractanTutti i post di fila / HabrdthensentthedocumenttotheAccountingDepartmentwhereanaccountantdouble-checkedeverything.Thisisquitealongjourneytoapayment,right?ReadmoreRating0Views193Addtobookmarks3Comments0Renatk16Juneat15:51AnAntidotetoAbsent-Mindedness,orHowIGainedAccesstoanOpenShiftNodewithoutanSSHKeyИннотехcorporateblogSystemadministration**nix*DevOps*Openshift*TranslationTypicallywhenaNodefallsoutoftheOpenShiftcluster,thisisresolvedbysimplyrestartingtheoffendingelement.Whatshouldyoudo,however,ifyou’veforgottentheSSHkeyorleftitintheoffice?YoucanattempttorestoreaccessbyusingyourwitandknowledgeofLinuxcommands.RenatGaraev,leaddeveloperatInnotech,describedhowhefoundthesolutionforthisriddleandwhatwastheoutcome.ReadmoreRating0Views4.2KAddtobookmarks2Comments0BuddhaSugata14Juneat22:40«IfIhadaheart...»ArtificialIntelligenceReadingroomArtificialIntelligenceSciencefictionMostpeoplefearofartificialintelligence(AI)fortheunpredictabilityofitspossibleactionsandimpact[1],[2].InregardtothistechnologyconcernsarevoicedalsobyAIexpertsthemselves-scientists,engineers,amongwhomaretheforemostfacesoftheirprofessions[3],[4],[5].Andyoupossiblysharetheseconcernsbecauseit'slikeleingachildaloneathomewithaloadedgunonthetable-in2021,AIwasfirstusedonthebattlefieldincompletelyautonomousway:withanindependentdeterminationofatargetandadecisiontodefeatitwithoutoperatorparticipation[6].Butlet’sbehonest,sincehumanityhastakenintheopportunitiesthisnewtoolcouldgiveus,thereisalreadynowayback–thisishowthelawofgengleworks[7].Iminethefeelingofacemanobservingourmodernroutineworld:electricity,Internet,smartphones,robots...etc.InthenexttwohundredyearsinlargepartthankfullytoAIhumankindwillundergothenumberoftransformationsithassincethemomentwehelearnedtocontrolthefire[8].Theeffectofthistechnologywillsurpassallourpreviouschangesasacivilization.Andevenasaspecies,becauseourdestinyisnottocreateAI,buttoliterallybecomeit....more,givememore,givememore...Rating0Views2.4KAddtobookmarks6Comments0vadimszzz10Juneat04:17iOSsecuritytesting&reverseengineeringguideInformationSecurity*DevelopmentforiOS*Reverseengineering*ComprehensiveguideforiOSappsecuritytestingandreverseengineering.ReadmoreRating0Views1.8KAddtobookmarks17Comments0andrey9Juneat12:10Text-basedCAPTCHAin2022InformationSecurity*Machinelearning*ArtificialIntelligenceTranslationThefirsttext-basedCAPTCHA(we’llcallitjustCAPTCHAforthesakeofbrevity)wasusedin1997byAltistasearchengine.ItpreventedbotsfromaddingUniformResourceLocator(URLs)totheirwebsearchengine.Backthenitwasadecentdefensemeasure.Howevertheprogresscan'tbestopped,andthisdefensewasbypassedusingOCRailableatthosetimes(forexampleFineReader).CAPTCHAbecamemorecomplex,noisewasaddedtoit,alongwithdistortions,sothepopularOCRscouldn’trecognizethistext.AndthenOCRscustommadeforthistaskappeared.Itcostedextramoneyandknowledgefortheattackingside.TheCAPTCHAdeveloperswererequiredtounderstandthechallengestheattackersmet,whatdistortionstoadd,inordertomaketheautomationoftheCAPTCHArecognitionmorecomplex.ThemisunderstandingoftheprinciplestheOCRswerebasedon,someCAPTCHAsweregivensuchdistortions,thattheyweremoreofahassleforregularusersthanforamachine.OCRsfordifferenttypesofCAPTCHAsweremadeusingheuristics,andthemostcomplicatedpartofitwastheCAPTCHAsegmentationforthestandalongsymbols,thatsubsequentlycouldbeeasilyrecognizedbytheCNN(forexampleLeNet-5),alsoSVMshowedagoodresultevenontherawpixels.InthisarticleI’lltrytograspthewholehistoryofCAPTCHArecognition,fromheuristicstothecontemporaryautomatedrecognitionsystems.We’llfigureout,ifaCAPTCHAisstillalive.I’llreviewtheyandex.comCAPTCHA.TheRussianversionofthesameCAPTCHAismorecomplex.ReadmoreTotalvotes4:↑3and↓1+2Views789Addtobookmarks11Comments0SergeyBPshenichnikov8Juneat18:38AlgebraoftextwithoutformulasSearchengines*Semantics*Algorithms*NaturalLangueProcessing*TranslationThearticleisanabstractofmybook[1]basedonpreviouslypresentedpublications[2],[3],[4],[5]ReadmoreTotalvotes2:↑1and↓10Views891Addtobookmarks17Comments0SergeyBPshenichnikov7Juneat22:41CollectivemeaningrecognitionSearchengines*Semantics*Algorithms*NaturalLangueProcessing*TranslationThepublishedmaterialisintheAppendixof mybook[1]Moderncivilizationfindsitselfatacrossroadsinwhichtochoosethemeaningoflife.Becauseofthedevelopmentoftechnology,themajorityoftheworld'spopulationmaybe"superfluous"-notindemandintheproductionofvalues.Thereisanotheroption,whereeachpersonisasupremevalue,anabsoluteindividualandcanbeindispensablyusefulinthetechnologyofthecollectivemind.Intheeightiesofthelastcentury,thetaskofcreatingascientificfieldof"collectiveintelligence"wasset.Collectiveintelligenceisdefinedastheabilityofthecollectivetofindsolutionstoproblemsmoreeffectivelythaneachparticipantindividually.Therightcollectivemindmustbe...ReadmoreTotalvotes2:↑2and↓0+2Views705Addtobookmarks13Comments0danilovmy7Juneat06:59DjangoModelAdminsautoregisterPython*Django*SometimeoIdiscoveredthatDjangohastheabilitytoauto-registerModelAdmins.Sincethisisnotcommonknowledgeandcarriesanumberofbenefits,IdecidedtowriteanarticleaboutittobringittotheattentionoftheDjangocommunity.ReadaboutDjangoModelAdminautoregistryRating0Views877Addtobookmarks8Comments0ritchie_kyoto2Juneat11:49Wi-FiandCWMP(TR-069)/USP(TR-369)protocols:frequecyoptimizationattemptWirelesstechnologies*PopularscienceIguess,it39;snotabigdealtosaythatWi-Fi(IEEE802.11standards)istheoneofthemostpopularandmostspreadcommunicationtechnologyofthecurrentday.Especiallyindoors.ThegrowingnumberofWi-Fidevicesstillremainsthatleadstotheovercrowdedspectrums:both2.4GHzand5GHz.Thisfactmeansincreasingofdemandforsomeoptimizationroutinesforutilizationofresources.AndthereforesomeRRM(RadioResourceManement)systemsbecomerequired.Readmore→Totalvotes1:↑1and↓0+1Views3.4KAddtobookmarks5Comments0quadcode_team31Mayat18:31Fintechinpractice:howQuadcodedevelopstechnologyfortradingandbankingQuadcodecorporateblogFinanceinITHello,IamAleksandrIvanov,CTOatQuadcode.WecametoHabrtoshowtheFintech“kitchen”;we’vebeenatitfor8years,sowecanalreadyshareourexperience.Inourblogwewilltalkaboutarchitectures,technologies,toolsandlifehacks.ReadmoreTotalvotes2:↑2and↓0+2Views1.5KAddtobookmarks2Comments0parthiba30Mayat13:18AStep-by-StepGuideToIntegrateVideoCallingFeaturesWithinAppsUsingWebRTCAPI*VideoconferencingTutorialWebRTCintegrationsheemergedasagame-changerintheVideoCallingTechnologyovertheyears.Theprotocolhasredefinedthewayreal-timevideocommunicationstakeDeveloperscanintegrateWebRTCscommonlyailableasJaScriptAPIstoaddaudioandvideosolutionstotheirapps.place.DeveloperscanintegrateWebRTCscommonlyailableasJaScriptAPIstoaddaudioandvideosolutionstotheirapps.Thistutorialwilltakeyouthroughthestepsindevelopingatwo-wayvideocallbetweentwodevices. WebRTC(WebReal-TimeCommunication)isasetofrulesthatcanestablishbidirectionalandfull-duplexcommunicationbetweenourtwodevicesusingJaScript.Itconnectsyourdevicesandenablestransferofunlimitedreal-timeaudioandvideoacrossanyoperatingsystem.However,theWebRTCentscreatedforbothdevicesdonotknowanyinformationabouteachotherinordertoestablishthemediaexchange.Atthispoint,athird,mutuallyreed-uponserverisintroduced.ThisserverwhichconnectsthedevicestotransferdatawithnecessaryinformationabouttheendpointsisknownastheSignalingServer. Beforewestartoffwiththesteps,itisnecessarytobecomefamiliarwiththebasicsoftheintegrationprocess. ReadmoreRating0Views1.3KAddtobookmarks3Comments0gmtd29Mayat20:19Utilitarianblockchain.1.AssetsDecentralizednetworks*ResearchandforecastsinIT*FinanceinITCryptocurrenciesInthemodernworld,theterm"**blockchain**"issteadilyassociatedwithcryptocurrencies,NFTs,mining,tradingandfinancialpyramids.However,evenamongprogrammersandITpeoplethereisnotalwaysaclearunderstandingofwhatitisandwhatitisfor.Thisarticleattemptstolookatthisstillrelativelynewelementoftheinformationandhumanspaceinpracticalandslightlyphilosophicalaspects.>**Disclaimer**:Thearticlewillusesimplelanguetoexplainnon-trivialconcepts,sonon-criticaldistortionoftechnicaldetailsispossible.Readmore→Rating0Views714Addtobookmarks2Comments0BackHere123...4950ThereBackTopblogsRUVDS.com1791.83Selectel1360.07Туту.ру1119.39VK722.18TimewebCloud613.21FirstVDS561.16Яндекс525.15ГКЛАНИТ484.91«ЛабораторияКасперского»439.22Сбер379.83AllcompaniesYouraccountLoginSignupSectionsPostsNewsHubsCompaniesAuthorsSandboxInformationHowitworksForauthorsForcompaniesDocumentsreementConfidentialServicesCorporateblogsAdvertisingSpecialprojectsEducationprogramsMegaprojectsFacebookTwitterTelegramLanguesettingsSupportReturntooldversion©2006–2022,Habrwindow.dataLayer=window.dataLayer||[];functiongt(){dataLayer.push(arguments);}gt('js',newDate());(function(m,e,t,r,i,k,a){m[i]=m[i]||function(){(m[i].a=m[i].a||[]).push(arguments)};m[i].l=1*newDate();k=e.createElement(t),a=e.getElementsByTName(t)[0],k.async=1,k.src=r,a.parentNode.insertBefore(k,a)})(window,document,"script","mc.yandex.ru/metrika/t.js","ym");ym(,"init",{defer:true,trackLinks:true,accurateTrackBounce:true,webvisor:false,});window.addEventListener('load',function(){setTimeout(()=>{constimg=newIme();img.src='vk.com/rtrg?p=VK-RTRG--57vKE';},0);});

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