DistributedSystems(3rd)英文无水印原版pdf第3版pdf所有页面使用FoxitReader、PDF-XChangeViewer、SumatraPDF和Firefox测试都可以打开本资源转载自网络，如有侵权，请联系上传者或csdn删除查看此书详细信息请在美国亚马逊官网搜索此书Copyright@2017MaartenvanSteenandAndrewS.TanenbaumPublishedbyMaartenvanSteenThisbookwaspreviouslypublishedby:PearsonEducation,IncISBN:978-15-430573-8-6(printedversion)ISBN:978-90-815406-2-9(digitalversion)Edition:3.Version:01(February2017)AllrightstotextandillustrationsarereservedbyMaartenvanSteenandAndrewS.Tanenbaum.Thisworkmaynotbecopied,reproduced,ortranslatedinwholeorpartwithoutwrittenpermissionofthepublisher,exceptforbriefexcerptsinreviewsorscholanyformofinformationstorageadaptationorwhatever,computersoftware,orbysimilarordissimilarmethodsnowknownordevelopedinthefutureisstrictlyforbiddenwithoutwrittenpermissionofthepublisherToMarielle,max,andelkeMVSToSuzanneBarbara,Marvin,Aronnathan,olivia,andmirteASTCONTENTSPreface1Introduction1.1Whatisadistributedsystem?Characteristic1:Collectionofautonomouscomputingelements2Characteristic2:SinglecoherentsystemMiddlewareanddistributedsystems1.2DesigngoalsSupportingresourcesharingMakingdistributiontransparent12Beingscalable15Pitfalls243Typesofdistributedsystems24Highperformancedistributedcomputing25Distributedinformationsystems34Pervasivesystems1.4Summary522Architectures552.1Architecturalstyles56Layeredarchitectures.57Object-basedandservice-orientedarchitectures62Resource-basedarchitectures64Publish-subscribearchitectures2.2MiddlewareorganizationWrappersInterceptors垂番Modifiablemiddleware752.3SystemarchitectureCONTENTSCentralizedorganizations76Decentralizedorganizations:peer-to-peersystemsHybridarchitectures2.4Examplearchitectures94TheNetworkFilesystem94TheWeb982.5Summary3Processes1033.1Threads..104Introductiontothreads104Threadsindistributedsystems1113.2Virtualization116Principleofvirtualizationapplicationofvirtualmachinestodistributedsystems,1223.3Clients124Networkeduserinterfaces124Client-sidesoftwarefordistributiontransparency1273.4Servers128Generaldesignissues129Objectservers133Example:TheApacheWebserver139Serverclusters,,,,,,,1413.5Codemigration152Reasonsformigratingcode152Migrationinheterogeneoussystems1583.6Summary1614Communication4.1Foundations164LayeredProtocols164TypesofCommunication.1724.2Remoteprocedurecall..173Basicrpcoperation174Parameterpassing178RPC-basedapplicationsupport182VariationsonrPc185Example:dCErPc,.1884.3Message-orientedcommunication193Simpletransientmessagingwithsockets.193Advancedtransientmessaging198Message-orientedpersistentcommunication206Example:IBM'sWebSpheremessage-queuingsystem212Example:AdvancedMessageQueuingProtocol(AMQP)....218DS3.01DOWNLOADEDBYTEWIGOMIXMAIL.INFOCONTENTS4.4Multicastcommunication221Application-leveltree-basedmulticasting221Flooding-basedmulticasting225Gossip-baseddatadissemination2294.5Summary2345Naming2375.1Names,identifiersandaddresses2385.2Flatnaming.241Simplesolutions241Home-basedapproaches245Distributedhashtables246Hierarchicalapproaches2515.3Structurednaming256Namespaces.256Nameresolution259Theimplementationofanamespace264Example:TheDomainNameSystem271Example:TheNetworkFileSystem2785.4Attribute-basednaming283Directoryservices283Hierarchicalimplementations:LDAP285Decentralizedimplementations2885.5Summary2946Coordination2976.1Clocksynchronization.298Physicalclocks299Clocksynchronizationalgorithms3026.2Logicalclocks310Lamport'slogicalclocks310Vectorclocks3166.3Mutualexclusion321322acentralizedalgorithm.322adistributedalgorithm323atoken-ringalgorithm.325adecentralizedalgorithm3266.4Electionalgorithms329Thebullyalgorithm.,..330Aringalgorithm332Electionsinwirelessenvironments333Electionsinlarge-scalesystems.3356.5Locationsystems336DOWNLOADEDBYTEWIGOMIXMAIL.INFODS301VIllCONTENTSGPS:GlobalPositioningSystem337WhengPsisnotanoption339Logicalpositioningofnodes3396.6Distributedeventmatching..343Centralizedimplementations3436.7Gossip-basedcoordination349asgregation349Apeer-samplingservice350Gossip-basedoverlayconstruction3526.8Summary3537Consistencyandreplication3557.1Introduction356Reasonsforreplication356Replicationasscalingtechnique3577.2Data-centricconsistencymodels358Continuousconsistency359Consistentorderingofoperations364Eventualconsistency3737.3Client-centricconsistencymodels375MonotonicreadsMonotonicwrites.379Readyourwrite380Writesfollowreads3827.4ReplicamanagementFindingthebestserverlocation383Contentreplicationandplacement..385Contentdistribution..388Managingreplicatedobjects3937.5Consistencyprotocols.396Continuousconsistency..........396Primary-basedprotocols398Replicated-writeprotocolsCache-coherence403Implementingclient-centricconsistency,,...4077.6Example:CachingandreplicationintheWeb4097.7Summar4208Faulttoleran4238.1Introductiontofaulttolerance424Basicconcepts.424Failuodels427Failuremaskingbyredundancy8.2Processresilience432DS3.01DOWNLOADEDBYTEWIGOMIXMAIL.INFO

使用AbstractTableModel构建Table在表格中添加JButton按钮，之前在网上找了2天没有找到好用的程序，最终终于找到一个好用的例子。
不要使，我退你们分。
。
singtheSwingJTableclasscanquicklybecomeastickybusinesswhenyouwanttocustomizeittoyourspecificneeds.FirstyoumustbecomefamiliarwithhowtheJTableclassisorganized.IndividualcellsarerenderedbyTableCellRendererimplementations.ThetablecontentsarerepresentedbyanimplementationoftheTableModelinterface.Bydefault,JTableusesDefaultTableCellRenderertodrawitscells.DefaultTableCellRendererrecognizesafewprimitivetypes,renderingthemasstrings,andcanevendisplayBooleantypesascheckboxes.ButitdefaultstodisplayingthevaluereturnedbytoString()fortypesitdoesnotspecificallyhandle.YouhavetoprovideyourownTableCellRendererimplementationifyouwanttodisplaybuttonsinaJTable.TheTableCellRendererinterfacecontainsonlyonemethod,getTableCellRendererComponent(...),whichreturnsajava.awt.Componentthatknowshowtodrawthecontentsofaspecificcell.Usually,getTableCellRendererComponent()willreturnthesamecomponentforeverycellofacolumn,toavoidtheunnecessaryuseofextramemory.Butwhenthecontentsofacellisitselfacomponent,itisallrighttoreturnthatcomponentastherenderer.Therefore,thefirststeptowardshavingJButtonsdisplaycorrectlyinaJTableistocreateaTableCellRendererimplementationthatreturnstheJButtoncontainedinthecellbeingrendered.Intheaccompanyingcodelisting,JTableButtonRendererdemonstrateshowtodothis.EvenaftercreatingacustomTableCellRenderer,you'restillnotdone.TheTableModelassociatedwithagivenJTabledoesnotonlykeeptrackofthecontentsofeachcell,butitalsokeepstrackoftheclassofdatastoredineachcolumn.DefaultTableModelisdesignedtoworkwithDefaultTableCellRendererandwillreturnjava.lang.String.classforcolumnscontainingdatatypesthatitdoesnotspecificallyhandle.Theexact

High-PerformanceLinear/InterfaceABT,ABTE,AHC,ALVT,BTL,CAN(ISO-11898),CDC,CompactPCI,FB+,Firewire,FlatLink,GigabitEthernet/10GEthernet,GTL,GTLP,HSTL,IEEE1284,IEEE1394,LVDM,LVDS,LVT,M-LVDS,PCI,TIA/EIA-232,RS-232,TIA/EIA-422,RS-422,TIA/EIA-485,RS-485,TIA/EIA-644,T

AccessoryInterfaceSpecificationR28用于开发MFI，苹果设备，iAP2协议lightning配件相关参考使用

Trackingmovinginterfacesincomputationalgeometry,materialssciences,robotics,imageprocessing,andfluidmechanics;

Standarddigitalinterfaceforprogrammableinstrumentation–Part2:Codes,formats,protocolsandcommoncommands

OSEK，是指德国的汽车电子类开放系统和对应接口标准（opensystemsandthecorrespondinginterfacesforautomotiveelectronics），而VDX则是汽车分布式执行标准（vehicledistributedexecutive），后者最初是由法国独自发起的，后来加入了OSEK团体。
两者的名字都反映出OSEK/VDX的目的是为汽车电子制定标准化接口。
该标准完全独立，对目标系统只限制了少量的条件。
这样，就可以应用一些简单的处理器替代那些昂贵的解决方案，来控制任务执行，并不需要任何附加条件。
事实上，在此基础上，也可以合理使用一些更复杂的CPU，于是该标准便对任何可能的目标平台都没有了限制。
标准定义了三个组件来构成OSEK/VDX标准：实时的操作系统（OSEKOS），通讯子系统（OSEK-COM）和网络管理系统（OSEK-NM）。
这样定义的一个好处是方便了各个组件版本的定义，这已在实际应用中得到了体现，例如：现在OSEK-COM（3.0.2）和OSEK-NM（2.5.2）的版本就与OSEK-OS（2.2.1）的版本不同。
图1给出了OSEK/VDX的基本结构和各组件间的关系。

AngularHosting该项目是使用版本11.2.2生成的。
开发服务器为开发服务器运行ngserve。
导航到http://localhost:4200/。
如果您更改任何源文件，该应用程序将自动重新加载。
代码脚手架运行nggeneratecomponentcomponent-name生成一个新的组件。
您还可以使用nggeneratedirective|pipe|service|class|guard|interface|enum|module。
建造运行ngbuild来构建项目。
构建工件将存储在dist/目录中。
使用--prod标志进行生产构建。
运行单元测试运行ngtest以通过执行单元测试。
运行端到端测试运行nge2e通过执行端到端测试。
进一步的帮助要获得有关AngularCLI的更多帮助，请使用nghelp或查看“页面

内附8个文档。
系统开发必备手册。
POSIXBaseDefinitions；
POSIXBaseSpecifications,Issue7；
POSIXRationale(Informative)；
POSIX®RealtimeandEmededApplicationSupport；
POSIX®ShellandUtilities；
POSIXSystemInterfaces；
POSIXTechnicalCorrigendum1；
POSIXTechnicalCorrigendum2

支持向量机源码，可在www.csie.ntu.edu.tw/~cjlin/libsvm/下载到最新版本，该版本是2013年4月更新的，3.17版。
压缩包里面有源代码和文档。
以下摘自前述网站：IntroductionLIBSVMisanintegratedsoftwareforsupportvectorclassification,(C-SVC,nu-SVC),regression(epsilon-SVR,nu-SVR)anddistributionestimation(one-classSVM).Itsupportsmulti-classclassification.Sinceversion2.8,itimplementsanSMO-typealgorithmproposedinthispaper:R.-E.Fan,P.-H.Chen,andC.-J.Lin.WorkingsetselectionusingsecondorderinformationfortrainingSVM.JournalofMachineLearningResearch6,1889-1918,2005.Youcanalsofindapseudocodethere.(howtociteLIBSVM)OurgoalistohelpusersfromotherfieldstoeasilyuseSVMasatool.LIBSVMprovidesasimpleinterfacewhereuserscaneasilylinkitwiththeirownprograms.MainfeaturesofLIBSVMincludeDifferentSVMformulationsEfficientmulti-classclassificationCrossvalidationformodelselectionProbabilityestimatesVariouskernels(includingprecomputedkernelmatrix)WeightedSVMforunbalanceddataBothC++andJavasourcesGUIdemonstratingSVMclassificationandregressionPython,R,MATLAB,Perl,Ruby,Weka,CommonLISP,CLISP,Haskell,OCaml,LabVIEW,andPHPinterfaces.C#.NETcodeandCUDAextensionisavailable.It'salsoincludedinsomedataminingenvironments:RapidMiner,PCP,andLIONsolver.Automaticmodelselectionwhichcangeneratecontourofcrossvaliationaccuracy.

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。