Idealforgraduateandseniorundergraduatecoursesincomputerarithmeticandadvanceddigitaldesign,ComputerArithmetic:AlgorithmsandHardwareDesigns,SecondEdition,providesabalanced,comprehensivetreatmentofcomputerarithmetic.Itcoverstopicsinarithmeticunitdesignandcircuitimplementationthatcomplementthearchitecturalandalgorithmicspeeduptechniquesusedinhigh-performancecomputerarchitectureandparallelprocessing.Usingaunifiedandconsistentframework,thetextbeginswithnumberrepresentationandproceedsthroughbasicarithmeticoperations,floating-pointarithmetic,andfunctionevaluationmethods.Laterchapterscoverbroaddesignandimplementationtopics-includingtechniquesforhigh-throughput,low-power,fault-tolerant,andreconfigurablearithmetic.Anappendixprovidesahistoricalviewofthefieldandspeculatesonitsfuture.Anindispensableresourceforinstruction,professionaldevelopment,andresearch,ComputerArithmetic:AlgorithmsandHardwareDesigns,SecondEdition,combinesbroadcoverageoftheunderlyingtheoriesofcomputerarithmeticwithnumerousexamplesofpracticaldesigns,worked-outexamples,andalargecollectionofmeaningfulproblems.Thissecondeditionincludesanewchapteronreconfigurablearithmetic,inordertoaddressthefactthatarithmeticfunctionsareincreasinglybeingimplementedonfield-programmablegatearrays(FPGAs)andFPGA-likeconfigurabledevices.Updatedandthoroughlyrevised,thebookoffersnewandexpandedcoverageofsaturatingaddersandmultipliers,truncatedmultipliers,fusedmultiply-addunits,overlappedquotientdigitselection,bipartiteandmultipartitetables,reversiblelogic,dotnotation,modulararithmetic,Montgomerymodularreduction,divisionbyconstants,IEEEfloating-pointstandardformats,andintervalarithmetic.Features:*Dividedinto28lecture-sizechapters*Emphasizesboththeunderlyingtheoriesofcomputerarithmeticandactua

StartingOutwithPython,GlobalEditionBy作者:TonyGaddis(author)ISBN-10书号:1292225750ISBN-13书号:9781292225753Edition版本:4thedition出版日期:2018-04-20Pages:748ForcoursesinPythonprogramming.Aclearandstudent-friendlyintroductiontothefundamentalsofPythonInStartingOutwithPython,4thEdition,TonyGaddis’accessiblecoverageintroducesstudentstothebasicsofprogramminginahigh-levellanguage.Python,aneasy-to-learnandincreasinglypopularobject-orientedlanguage,allowsreaderstobecomecomfortablewiththefundamentalsofprogrammingwithoutthetroublesomesyntaxthatcanbechallengingfornovices.WiththeknowledgeacquiredusingPython,studentsgainconfidenceintheirskillsandlearntorecognizethelogicbehinddevelopinghigh-qualityprograms.StartingOutwithPythondiscussescontrolstructures,functions,arrays,andpointersbeforeobjectsandclasses.AswithallGaddistexts,clearandeasy-to-readcodelistings,conciseandpracticalreal-worldexamples,focusedexplanations,andanabundanceofexercisesappearineverychapter.Updatestothe4thEditionincluderevised,improvedproblemsthroughout,andnewTurtleGraphicssectionsthatprovideflexibilityasassignable,optionalmaterial.PrefaceChapter1IntroductiontoComputersandProgrammingChapter2Input,Processing,andOutputChapter3DecisionStructuresandBooleanLogicChapter4RepetitionStructuresChapter5FunctionsChapter6FilesandExceptionsChapter7ListsandTuplesChapter8MoreAboutStringsChapter9DictionariesandSetsChapter10ClassesandObject-OrientedProgrammingChapter11InheritanceChapter12RecursionChapter13GUlProgrammingAppendixAInstalingPythonAppendixBIntroductiontoIDLEAppendixCTheASCllCharacterSetAppendixDPredefinedNamedColorsAppendixEMoreAbouttheimportStatementAppendixFInstallingModuleswiththepipUtilityAppendixGAnswerstoCheckpoints

EtherCAT的主站开发是基于EtherCAT机器人控制系统的开发中非常重要的环节。
EtherLab的theIgHEtherCAT®Master是目前常见的一种开源的主站。
IgHEtherCATMaster比SOEM复杂一些，但对EtherCAT的实现更为完整。
下面是IgH的一个官网。
http://www.etherlab.org/en/ethercat/index.php从这个网站下载下来的ethercat主站代码安装不方便，缺少一个Makefile文件，且它是针对Linux2.6或者3.x内核版本编写的，有些跟以太网通信相关的内核函数不适用于Linux4.x的版本。
因而在Linux编译安装IgH时，如果你遇跟Llinux内核版本相关的问题，可以选择本资源。
具体步骤：1.解压缩，进入文件夹2.在Makefile中更改网卡名称为自己的以太网卡，可通过$iplink命令常看3.$makeethercatMaster4.$makeethercatMasterInstall

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。