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Publicationsx2F;Myfeedx2F;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.1874d2ee9bd8a6a2c0186bf1.json');xhr.responseType='json';xhr.onload=function(e){if(this.status===200){res({en:xhr.response});}Tous 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Habrelse{rej(e);}};xhr.send();});HabrβHowtobecomeanauthorMyfeedAllstreamsDevelopmentAdminDesignManementMarketingPopSciSearchWriteapublicationSettingsLoginPulltorefreshMyfeedFeedsettingsDropdownTypeArticlesPostsNewsRatinglimitAll≥0≥10≥25≥50≥100LevelofdifficultyAllEasyMediumHardWarningTosetupfilterssigninorsignupApplyArticledeema3518hoursoStructureofLinuxdriverforsingle-boardcomputerLevelofdifficultyEasyReadingtime5minViews151ConfiguringLinux**nix*Programmingmicrocontrollers*DevelopmentforRaspberryPi*TutorialHellomynameisDmitry.RecentlyIwrotearticle"BuildingfirmwareforOrangePIi96(OrangePI2g-iot)fromscratch".Ifyouhen'treadityat,Ihighlyrecommend.AndthereInoticedthatinordertobuildfirwareoncurrentkernel,Ihetorewritedriverswirhnewarchetecture"Devicetree".InthisarticleIherevelatehowIdoit.ReadmoreRating0Addtobookmarks2Comments0ArticleSvetlana_ZuevaApr15at20:427tipstomakevideolearningmoreeffectiveLevelofdifficultyEasyReadingtime5minViews6.4KWorkingwithvideo*StudyinginITEducationabroadReadingroomDesignTutorialWhilevideo-basedlearningcontinuestorankhighinthelatesttrends,thereareafewpointsthatareregularlyoverlookedintheproductionoflearningvideos,withafocusonuserexperience(UX)anduserinteraction Peoplereallyenjoywatchingvideos.Accordingtoasurveyconductedamongconsumersworldwide,respondentswatchedanereof19hoursofonlinevideocontentperweekin2022.Andnearlyhalfofallinternetuserswatchonlinevideosatleastonceaweek.ReadmoreTotalvotes27:↑27and↓0+27Addtobookmarks9Comments0ArticleSvetlana_ZuevaApr15at19:05DesigningforSuccess:CraftingEffectiveLearningExperiencesLevelofdifficultyMediumReadingtime7minViews6.2KStudyinginITEducationabroadReadingroomDesignTutorialTheChallengeofMandatoryLearningOncewehadseveralmandatorylearningcoursesdesignedtobepassedsuccessfullybyallemployees.Still,manyofthemstruggledtodoso.Reminderemailstoallparticipantscouldnotsolvetheissue.Andthatiswhenmyteamwassummonedtodevelopathoroughplantoreducethenumberofoverduecoursestoaminimum.Ofcourse,wewereaskedtodevelopsomethingfunandenging.UncoveringtheRootProblemsWhileworkingontheproject,wemanedtouncoverseveralproblemswithcourseassignments,includingthefactthattheywerenotofferedjustintime,thereweretoomanyofthem,andallofthemhaddifferentduedates,whichmadeitimpossibletorememberwhentocompletethem.Additionally,wefoundthatthecontentitselfwasoftendryandunenging,furthercontributingtothelackofmotivationamongemployees.Finally,wecameupwithasystemofnotificationsthatincludedclearexplanatoryreminderemails,anescalationsystem,andaredesignofthecoursecontenttomakeitmoreinteractiveandrelevanttoemployees'dailywork.Theresultwasalmostnooverduecoursesaftersystemintegration.TheMythofMandatoryFunSothecasefirstseemedtobeaboutmotivationandengement,butitisactuallyaboutsmartcoursedesignthatallowspeopletoworryaboutworktasksinsteadofworryingaboutcourseassignments.It'salsoaboutcreatingcontentthatresonateswiththelearnersandhelpsthemseethevalueinthetraining.ReadmoreTotalvotes27:↑27and↓0+27Addtobookmarks5Comments0ArticletripolskypetrApr14at19:49ThenewcodeasthesideeffectLevelofdifficultyMediumReadingtime4minViews415CSS*JaScript*HTML*ReactJS*TypeScript*AnalyticsThenewcodeasthesideeffectIfweusethereducerfunctionforformdatahandlingIthasaninfinitelistofreturnedvalues,whichexpandswhenthenextdevelopmentiterationupdatestheinterfacedefiningtheformandimplementsanewfield.Sothereducerpatternisprocedurecode,notafunctionalReadmoreTotalvotes1:↑2and↓-1+3Addtobookmarks1Comments0ArticleEyssantApr14at14:24UnveilingtheTechnologicalOdyssey:EvolutionofWeatherForecastingLevelofdifficultyEasyReadingtime3minViews65PopularscienceAstronomyWeatherforecastinghascomealongwayfromthedaysofobservingtheskyandrelyingonfolkloretopredictupcomingconditions.Advancementsintechnologyherevolutionizedhowweperceive,understand,andforecastweatherpatterns.Fromtheearlybarometerstomodernsatellitesandsupercomputers,eachinnovationhassignificantlyenhancedourabilitytopredictweatheraccurately.Let'stakeajourneythroughtheevolutionofweatherforecastingtechnologyandexplorehowithastransformedovertheyears.ReadmoreTotalvotes1:↑2and↓-1+3Addtobookmarks0Comments0ArticleEyssantApr13at16:37SymphonyofClouds:InterpretingNature'sWeatherSignalsLevelofdifficultyEasyReadingtime3minViews74PopularscienceAstronomyInthevastexpanseofthesky,cloudsweeanintricatetapestrythatholdsinvaluableinsightsintotheworkingsofouratmosphere.Farfrombeingmereadornmentsadriftonthewinds,cloudsaredynamicentitiesthatserveasindispensableharbingersofweatherpatterns.Theirvariedformsandmovementsofferawindowintotheever-changingconditionsofouratmosphere,aTous 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Habrllowingmeteorologiststounrelthemysteriesofweatherforecastingwithincreasingprecision.Clouds,intheirmultitudeofshapesandsizes,providevitalcluesaboutatmosphericconditions,fromtemperatureandhumiditytoairpressureandwindpatterns.Byunderstandingthedifferenttypesofcloudsandtheircharacteristics,meteorologistscandecipherthelangueoftheskies,predictingeverythingfromclearskiestoimpendingstorms.ReadmoreTotalvotes1:↑2and↓-1+3Addtobookmarks0Comments0ArticleSergKremen1984Apr10at16:12HowtospeedupTrendwatchingwithAILevelofdifficultyMediumReadingtime4minViews318Python*Machinelearning*BusinessModels*CaseProblemTrendwatchingisapowerfultoolfordrivingstrategicinnovations.Ithelpstodiscovernewteсhnologies,businessmodelsandproducts,thatmaybeusedforideagenerationandtechnologytransfer.Itisapowerfultoolforproductmaners,businessstreammaners,topmanersand"strategists"andismostlyusedonaregularbasis.ReadmoreTotalvotes1:↑1and↓0+1Addtobookmarks2Comments0ArticleArcaneGamingcomApr10at11:06HowwetookpartinLudumDareLevelofdifficultyEasyReadingtime4minViews141Gamedevelopment*Unity3D*Gametesting*Gamedesign*Gamespromotion*FromsandboxWearetheArcaneGamingdevelopmentteam,developinggamessince2021.Asofnow,wehetwomajorprojects:FanbattleandSuetologia.ThetimehascomeforustotakepartintheLudumDaregaminghackathonforthefirsttime.ReadmoreTotalvotes1:↑2and↓-1+3Addtobookmarks1Comments0ArticleAlekseiVolkovApr8at12:27GatsbyanditsGreatnessLevelofdifficultyEasyReadingtime6minViews322JaScript*ReactJS*Serverless*TutorialIntheinternet’searlydays,bloggingwasstraightforward.AserverwithPHPandMySQLallowedyoutoshareyourthoughtsglobally.EvenFTPaccesswithan index.html filesufficed.However,asthewebevolved,sodidbloggingrequirements.Non-programmersneededuser-friendlywebinterfaces,fasterloadingtimes,andseamlessdailypublishing.PlatformslikeReddit,WordPress,andTumblremerged,buttheyfacedacommonissue:websiteownership.ReadmoreTotalvotes2:↑2and↓0+2Addtobookmarks3Comments0Articlekentr009Apr7at13:49HowtounderstandwhenproxiesarelyingLevelofdifficultyEasyReadingtime3minViews374GitHub*FromsandboxRecoveryModeTranslationHowtounderstandwhenproxiesarelying:verificationofphysicallocationsofnetworkproxiesusinganactivegeolocationalgorithmPeopleallovertheworldusecommercialproxiestohidetheirtruelocationoridentity.Thiscanbedonetosolvevarioustasks,includingaccessingblockedinformationorensuringprivacy.ReadmoreTotalvotes7:↑7and↓0+7Addtobookmarks3Comments0Articlerukhi7Apr5at09:26Couldasync/awaitmiccreatethread,oritisalways:“Thereisno thread”?LevelofdifficultyMediumReadingtime4minViews451Programming*Perfectcode*.NET*C#*Concurrentcomputing*OpinionWhenwearetold“Thereisnothread”wecaneasilycometoanopinionthatitisimpossibleatALLthatasynchronousoperationcouldcreatethread,buTous les postes sur une ligne / Habrtitwouldbewrongopinion.Simplecodeexampleprovestheopposite.Thosewhoareeasytotreatthesentenceastheuniversalruleareeasytounderstand.Theywouldliketosimplifythesubjectandtocutamountoftheorytheyshouldstudyandremember.Besidestomanyitisnewlevelofknowledgetodiscoverthereisotherlayerofclassestomaneasync-operationsbehiorbesidetheTasksandandSynchronizationContextisonlyoneamongthem.ReadmoreTotalvotes5:↑3and↓2+1Addtobookmarks4Comments0ArticleEyssantApr4at13:18UnveilingthePowerofMatplotlib:AVisualOdysseyLevelofdifficultyEasyReadingtime3minViews318Python*Datavisualization*Intherealmofdatavisualization,whereinsightmeetsaesthetics,Matplotlibstandsasatoweringbeaconofversatilityandcreativity.AsoneofthemostpopularplottinglibrariesinPython,Matplotlibempowersdatascientists,analysts,andenthusiastsaliketotransformrawdataintocaptivatingvisualnarratives.LetusembarkonajourneythroughthevibrantlandscapesofMatplotlib,exploringitsfeatures,capabilities,andtheartistryitinspires.ReadmoreTotalvotes4:↑3and↓1+2Addtobookmarks1Comments0ArticleVladislV77Apr3at23:22StopwatchimplementationonFPGAboardReadingtime5minViews204FPGA*FromsandboxInthisreportwedescribeourimplementationexperienceofastopwatchsystemexecutingonanFPGAboard.WeprogrammedthisdeviceintheQuartusPrimeIIsoftwareenvironmentbyusingVeriloghardwaredescriptionlangue.TheprogramistailoredtotheAlteraMAX10FPGAboard,aswellasusesasetofotherperipheraldevicesforprogressvisualizationpurposes.ReadmoreTotalvotes1:↑2and↓-1+3Addtobookmarks2Comments0ArticleArcaneGamingcomApr3at13:45BecomingaUXdesigner:whyisitworthyandwhatdoyouneedtostartLevelofdifficultyEasyReadingtime6minViews223Interfaces*ResearchandforecastsinIT*EducationabroadOfficesofITcompaniesLifehacksforgeeksRetrospectiveIfyouareatthebeginningofyoureducationalpathinIT,orcontemplatingaboutmakingchangesinyourcareerandstartinglearningUXdesign,youmighthesomedoubtsanduncertaintiesonwhetherUXdesignissomethingworthstudyingandworkinginrightnow.Wecandispelyourdoubts:UXdesignersareveryrequiredinthemajorityofcompanies,sincetheyhelptomakeproductsappealingtousers,thusraisingthecompaniesincomeandenhancingtheirreputation.Professionalsinthissphereareinhighdemandrightnow,andReadmoreTotalvotes1:↑1and↓0+1Addtobookmarks3Comments1ArticleEyssantApr3at13:42ExploringOsloAFusionofCulture,Innovation,Nature,andWeatherLevelofdifficultyEasyReadingtime3minViews178ReadingroomDIYNestledamongsttheserenefjordsandpicturesquelandscapesofNorway,Oslostandsasatestamenttotheharmoniousblendofmodernityandtradition.Thisvibrantcapitalcity,withitsrichhistorydatingbackoverathousandyears,offersvisitorsanunparalleledexperiencethatseamlesslyintegratesculture,innovation,andthebreathtakingbeautyofnature,allundertheever-changingskiesofitsvariedweather.ReadmoreTotalvotes1:↑2and↓-1+3Addtobookmarks1Comments0ArticleNinilApr1at22:10User-definedgregationfunctionsinSparkLevelofdifficultyMediumReadingtime6minViews178Scala*BigData*DataEngineering*Below,wewilldiscussuser-definedgregationfunctions(UDAF)usingorg.apache.spark.sql.expressions.gregator,whichcanbeusedforgregatinggroupsofelementsinaDataSetintoasinglevalueinanyuser-definedway.Let’sstartbyexamininganexamplefromtheofficialdocumentationthatimplementsasimplegregationReadmoreTotalvotes1:↑1and↓0+1Addtobookmarks3Comments0ArticlewingedfoxMar31at19:17Use-CaseEvolutionGuideLevelofdifficultyMediumReadingtime13minViews459SystemAnalysisandDesign*Designingandrefactoring*DevelopmentManement*Projectmanement*TutorialModernproductdevelopmentdemandsmoreandmoresophisticateddesigns.Thisinturnleadstotheincreasedcomplexityofbothdemandandimplementation.Businessisfloodingthearchitectureanddevelopmentteamswiththenewandchangedrequirements.Developmentteamsarestrugglingtounderstandwhatthebusinessdemandisandfindthebestproductincrementstrategy.OneofthewidelyadoptedconversationalmethodsistheUse-Cases.Thisguideisintendedtoshedlightontheprocessoftherequirementsdevelopmentandmaturing.ReadmoreTotalvotes5:↑5and↓0+5Addtobookmarks5Comments0Articledeema35Mar31at14:38BuildingfirmwareforOrangePIi96(OrangePI2g-iot)fromscratchLevelofdifficultyEasyReadingtime14minViews472ConfiguringLinux**nix*Programmingmicrocontrollers*DevelopmentforRaspberryPi*DIYTutorialHellowmynameisDmitry.OnceIbought"OrangePIi96",butunfortunatelyproducernotupdateitfirmvereverylong.Lastfirmwerekernelversionis3.10.62butkernelcurrentattimethisarticlewriting(russianversion)is6.5.1.AndsoIdecidebuildmyownfirmwarefromscratch,anddoitfromsoursecompletely.ReadmoreTotalvotes8:↑7and↓1+6Addtobookmarks3Comments6ArticleEyssantMar30at15:30UnveilingSwitzerland:AMust-VisitTrelListLevelofdifficultyEasyReadingtime4minViews258ReadingroomPopularscienceDIYSwitzerland:theverynameconjuresupimesofpristinealpinelandscapes,picturesquevilles,andasenseoftranquilitythatseemstopermeatetheveryairyoubreathe.It'sacountrythat'softensynonymouswithbeauty,precision,andadventure.Whetheryou'reanatureenthusiast,ahistorybuff,orsimplyseekingtoindulgeinsomeofthefinestchocolatesandcheesestheworldhastooffer,Switzerlandhassomethingforeveryone.So,ifyou'replanningatriptothisenchantingland,here'sacuratedlistofmust-visitdestinationsandexperiencesthatwillmakeyourjourneytrulyunforgettable. ReadmoreTotalvotes4:↑3and↓1+2Addtobookmarks2Comments0ArticleVadimMichaylovMar30at15:01BesthostingforapplicationsonPython,Ja,Node.js,Go,Dotnet,PHPandRubyLevelofdifficultyEasyReadingtime2minViews677AmveracorporateblogReviewThefollowingtypesofhostingandcloudscanbedistinguishedforapplicationdeployment:-VPS-Serverless-GitOpsapplicationenginesInthisarticlewewillnotconsiderVPShosting,sincetherearemanydetailedmaterialsaboutthis.Let'slookatapplicationenginesandserverless.ThereareanumberofcloudsthatallowyoutodeployanapplicationsimplybypushingittoadedicatedGitrepository.ReadmoreTotalvotes3:↑3and↓0+3Addtobookmarks2Comments2BackHere123...4950ThereBackChangethemesettingsYouraccountLoginSignupSectionsArticlesNewsHubsAuthorsSandboxInformationHowitworksForauthorsForcompaniesDocumentsreementConfidentialServicesCorporateblogsAdvertisingNativeadvertisingEducationprogramsStartupsFacebookTwitterTelegramLanguesettingsSupport©2006–2024,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");window.addEventListener('load',function(){setTimeout(()=>{constimg=newIme();img.src='vk.com/rtrg?p=VK-RTRG--57vKE';},0);});