ReviewFromthereviews:"Thebookisdevotedtopublickeycryptography,whoseprincipalgoalistoallowtwoormorepeopletoexchangeconfidentialinformation….Thematerialisverywellorganized,anditisself-contained:noprerequisitesinhighermathematicsareneeded.Infact,everythingisexplainedandcarefullycovered….thereisabundanceofexamplesandproposedexercisesattheendofeachchapter.…Thisbookisidealasatextbookforacourseaimedatundergraduatemathematicsorcomputersciencestudents."(FabioMainardi,TheMathematicalAssociationofAmerica,October,2008)"Thisbookfocusesonpublickeycryptography….Hoffstein,Pipher,andSilverman…provideathoroughtreatmentofthetopicswhilekeepingthematerialaccessible.…Thebookusesexamplesthroughoutthetexttoillustratethetheorems,andprovidesalargenumberofexercises….Thevolumeincludesanicebibliography.…SummingUp:Highlyrecommended.Upper-divisionundergraduatethroughprofessionalcollections."(C.Bauer,Choice,Vol.46(7),March,2009)"Formostundergraduatestudentsinmathematicsorcomputerscience(CS),mathematicalcryptographyisachallengingsubject.…itiswritteninawaythatmakesyouwanttokeepreading.…Theauthorsofficiallytargetedthebookforadvancedundergraduateorbeginninggraduatestudents.Ibelievethatthisaudienceisappropriate.…itcouldevenbeusedwithstudentswhoarejustlearninghowtoexecuterigorousmathematicalproofs.…Istronglybelievethatitfindstherighttonefortoday’sstudents…."(BurkhardEnglert,ACMComputingReviews,March,2009)"Theexercisesandtextwouldmakeanexcellentcourseforundergraduateindependentstudy.…Thisisanexcellentbook.Hoffstein,PipherandSilvermanhavewrittenasgoodabookasispossibletoexplainpublickeycryptography.…Thisbookwouldprobablybebestsuitedforagraduatecoursethatfocusedonpublickeycryptography,forunder

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Writtenbyanexpertinthegameindustry,ChristerEricson'snewbookisacomprehensiveguidetothecomponentsofefficientreal-timecollisiondetectionsystems.Thebookprovidesthetoolsandknow-howneededtoimplementindustrial-strengthcollisiondetectionforthehighlydetaileddynamicenvironmentsofapplicationssuchas3Dgames,virtualrealityapplications,andphysicalsimulators.Ofthemanytopicscovered,akeyfocusisonspatialandobjectpartitioningthroughawidevarietyofgrids,trees,andsortingmethods.Theauthoralsopresentsalargecollectionofintersectionanddistancetestsforbothsimpleandcomplexgeometricshapes.SectionsonvectorandmatrixalgebraprovidethebackgroundforadvancedtopicssuchasVoronoiregions,Minkowskisums,andlinearandquadraticprogramming.Ofutmostimportancetoprogrammersbutrarelydiscussedinthismuchdetailinotherbooksarethechapterscoveringnumericalandgeometricrobustness,bothessentialtopicsforcollisiondetectionsystems.Alsouniquearethechaptersdiscussinghowgraphicshardwarecanassistincollisiondetectioncomputationsandonadvancedoptimizationformoderncomputerarchitectures.Allinall,thiscomprehensivebookwillbecometheindustrystandardforyearstocome.

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TheGoogleCloudCertifiedProfessionalCloudArchitectStudyGuideistheessentialresourceforanyonepreparingforthishighlysought-after,professional-levelcertification.Clearandaccuratechapterscover100%ofexamobjectives―helpingyougaintheknowledgeandconfidencetosucceedonexamday.Apre-bookassessmentquizhelpsyouevaluateyourskills,whilechapterreviewquestionsemphasizecriticalpointsoflearning.Detailedexplanationsofcrucialtopicsincludeanalyzinganddefiningtechnicalandbusinessprocesses,migrationplanning,anddesigningstoragesystems,networks,andcomputeresources.WrittenbyDanSullivan―awell-knownauthorandsoftwarearchitectspecializinginanalytics,machinelearning,andcloudcomputing―thisinvaluablestudyguideincludesaccesstotheSybexinteractiveonlinelearningenvironment,whichincludescompletepracticetests,electronicflashcards,asearchableglossary,andmore.Providingservicessuitableforawiderangeofapplications,particularlyinhigh-growthareasofanalyticsandmachinelearning,GoogleCloudisrapidlygainingmarketshareinthecloudcomputingworld.OrganizationsareseekingcertifiedITprofessionalswiththeabilitytodeployandoperateinfrastructure,services,andnetworksintheGoogleCloud.Takeyourcareertothenextlevelbyvalidatingyourskillsandearningcertification.DesignandplancloudsolutionarchitectureManageandprovisioncloudinfrastructureEnsurelegalcomplianceandsecuritystandardsUnderstandoptionsforimplementinghybridcloudsDevelopsolutionsthatmeetreliability,business,andtechnicalrequirementsTheGoogleCloudCertifiedProfessionalCloudArchitectStudyGuideisamust-haveforITprofessionalspreparingforcertificationtodeployandmanageGooglecloudservices.

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SUMOSimulationofUrbanMObilityisanopensourcehighlyportablemicroscopicandcontinuousroadtrafficsimulationpackagedesignedtohandlelargeroadnetworksItismainlydevelopedbyemployeesoftheInstituteofTransportationSystemsattheGermanAerospaceCenterSUMOisopensourcelicensedundertheGPL"＞SUMOSimulationofUrbanMObilityisanopensourcehighlyportablemicroscopicandcontinuousroadtrafficsimulationpackagedesignedtohandlelargeroadnetworksItismainlydevelopedbyemployeesoftheInstituteofTransportationSystemsattheGermanAerospaceCenterSUMOisopensourc[更多]

Thesecondeditionofthiswell-knownandhighlyregardedtextcanbeusedasthebasisforaone-ortwo-semesterundergraduatecourseinsignalsandlinearsystemstheoryandapplications.Topicsincludebasicsignalsandsystemsconcepts,lineartime-invariant(LTI)systems,Fourierrepresentationsofcontinuous-timeanddiscrete-timesignals,theCTandDTFouriertransforms,andtime-andfrequency-domainanalysismethods.Theauthoremphasizesapplicationsofthetheorythroughnumerousexamplesinfiltering,sampling,communications,andfeedback.Theparalleldevelopmentofcontinuous-timeanddiscrete-timefrequencydomainmethodsallowsthereadertoapplyinsightsandintuitionacrossthetwodomains.Italsofacilitatesadeeperunderstandingofthematerialbybringingintofocusthesimilaritiesanddifferencesbetweenthetwodomains.Thetextalsoincludesintroductorychaptersoncommunicationsystemsandcontroltheory.Thisbookassumesthatyouhaveabackgroundincalculusaswellasexposuretocomplexnumbersandelementarydifferentialequations.Becauseofitsthoroughnessandunhurriedpace,thistextishighlyrecommendedforstudentsandthoseinterestedinself-study.

Thisbookpresentsaclearroadmaptolearningreal-time3DcomputergraphicswithWebGL2.Eachchapterstartswithasummaryofthelearninggoalsforthechapter,followedbyadetaileddescriptionofeachtopic.Thebookoffersexample-rich,up-to-dateintroductionstoawiderangeofessential3Dcomputergraphicstopics,includingrendering,colors,textures,transformations,framebuffers,lights,surfaces,blending,geometryconstruction,advancedtechniques,andmore.Witheachchapter,youwill"levelup"your3Dgraphicsprogrammingskills.Thisbookwillbecomeyourtrustworthycompanionindevelopinghighlyinteractive3DwebapplicationswithWebGLandJavaScript.

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在日常工作中，钉钉打卡成了我生活中不可或缺的一部分。然而，有时候这个看似简单的任务却给我带来了不少烦恼。 每天早晚，我总是得牢记打开钉钉应用，点击"工作台"，再找到"考勤打卡"进行签到。有时候因为工作忙碌，会忘记打卡，导致考勤异常，影响当月的工作评价。而且，由于我使用的是苹果手机，有时候系统更新后，钉钉的某些功能会出现异常，使得打卡变得更加麻烦。 另外，我的家人使用的是安卓手机，他们也经常抱怨钉钉打卡的繁琐。尤其是对于那些不太熟悉手机操作的长辈来说，每次打卡都是一次挑战。他们总是担心自己会操作失误，导致打卡失败。 为了解决这些烦恼，我开始思考是否可以通过编写一个全自动化脚本来实现钉钉打卡。经过一段时间的摸索和学习，我终于成功编写出了一个适用于苹果和安卓系统的钉钉打卡脚本。