来自官网的习题源码，一分就当意思一下。
不想下的也可直接看链接：https://resources.oreilly.com/examples/0636920028154.git

我对好书的理解是思路清晰，结构良好，最好是能让初学者有一个总体的框架认识，记得很小的时候看《学习的革命》中说到记忆的时候最好是把整个知识体系想像成一颗圣诞树，然后我们把礼物放在树杈上。
.NET的国外好书可以分为4大系：第一也是影响最广的是Wrox出版社的红皮书，这系的书大多是作者的头像，整本书封面红色。
第二就是Microsoft出版社的黑皮书，这系的书大多是一个机械扳手或者仪器仪表，整本书封面黑色。
第三是Oreilly的动物世界，这系的书封面都有一个动物，当然这些动物都不是随便选得而是有些暗喻！第四是PEASON的方块系列，这系的书封面就是国际象棋棋盘里带几幅图画。
相比较而言我觉得红皮书往往讲的博而不精，结构混乱可能作者多人的缘故，不过Wrox的书还是很实用的不可不读，黑皮书呢则讲的有些晦涩，可能作者本身是语言的设计者所以讲的很“原理”，要知晓原理黑皮书也不可不读。
相对而言Oreilly和PEASON的书则恰到好处，本本都是经典。
如果你是一个初学者或者想补缺补差《ProgrammingC#》中文版第4版是很好的入门书，这本书可以说是所有C#书中最经典的一本。

GNUMake项目管理(第三版)，OREILLY公司编译，东南大学出版社出版

PracticalStatisticsforDataScientists50EssentialConcepts英文无水印转化版pdfpdf一切页面使用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PracticalstatisticsfordatascientistsbypeterbruceandandrewbruceCopyright@2017PeterBruceandAndrewBruce.AllrightsreservedPrintedintheunitedstatesofamericaPublishedbyo'reillymedia,InC.1005GravensteinHighwayNorth,Sebastopol,Ca95472O'Reillybooksmaybepurchasedforeducational,business,orsalespromotionaluse.onlineeditionsarealsoavailableformosttitles(http:/oreilly.com/safari)Formoreinformation,contactourcorporate/institutionalsalesdepartment:800998-9938orcorporateoreillycom■editor:ShannoncuttProductioneditor.KristenbrownCopyeditor:RachelmonaghanaProofreadereliahusussmanaIndexerEllenTroutman-ZaigaInteriorDesigner:DavidFutatoCoverDesigner:KarenMontgomeryllustrator.rebeccademarestaMay2017:FirstEditionRevisionhistoryfortheFirstedition2017-05-09FirstreleaseSeehttp://oreilly.com/catalog/errata.csp?isbn=9781491952962forreleasedetailsTheoreillylogoisaregisteredtrademarkofo'reillymedia,Inc.PracticalStatisticsforDataScientists,thecoverimage,andrelatedtradedressaretrademarksofo'ReillyMedia,IncWhilethepublisherandtheauthorshaveusedgoodfaitheffortstoensurethattheinformationandinstructionscontainedinthisworkareaccurate,thepublisherandtheauthorsdisclaimallresponsibilityforerrorsoromissions,includingwithoutlimitationresponsibilityfordamagesresultingfromtheuseoforrelianceonthiswork.Useoftheinformationandinstructionscontainedinthisworkisatyourownrisk.Ifanycodesamplesorothertechnologythisworkcontainsordescribesissubjecttoopensourcelicensesortheintellectualpropertyrightsofothers,itisyourresponsibilitytoensurethatyourusethereofcomplieswithsuchlicensesand/orrights978-1-491-95296-2DedicationWewouldliketodedicatethisbooktothememoriesofourparentsVictorgBruceandNancyC.bruce,whocultivatedapassionformathandscienceandtoourearlymentorsJohnW.TukeyandJulianSimon,andourlifelongfriendGeoffWatson,whohelpedinspireustopursueacareerinstatisticsPrefaceThisbookisaimedatthedatascientistwithsomefamiliaritywiththerprogramminglanguage,andwithsomeprior(perhapsspottyorephemeral)exposuretostatistics.Bothofuscametotheworldofdatasciencefromtheworldofstatistics,sowehavesomeappreciationofthecontributionthatstatisticscanmaketotheartofdatascience.atthesametimewearewellawareofthelimitationsoftraditionalstatisticsinstruction:statisticsasadisciplineisacenturyandahalfoldandmoststatisticstextbooksandcoursesareladenwiththemomentumandinertiaofanoceanlinerTwogoalsunderliethisbookTolayout,indigestible,navigable,andeasilyreferencedform,keyconceptsfromstatisticsthatarerelevanttodatascienceToexplainwhichconceptsareimportantandusefulfromadatascienceperspective,whicharelessso,andwhyWhattoExpectKEYTERMSDatascienceisafusionofmultipledisciplines,inchidingstatistics,computerscience,informationtechnology,anddomain-specificfields.Asaresult,severaldifferenttermscouldbeusedtoreferenceaivenconcept.KeytermsandtheirsynonymswillbehighlightedthroughoutthebooknasidebarsuchasConventionsusedinThisbookThefollowingtypographicalconventionsareusedinthisbookItalicIndicatesnewtermsURls.emailaddressesfilenamesandfileextensionsConstantwidthUsedforprogramlistings,aswellaswithinparagraphstorefertoprogramelementssuchasvariableorfunctionnames,databases,datatypes,environmentvariables,statements,andkeywordsConstantwidthboldShowscommandsorothertextthatshouldbetypedliterallybytheuserConstantwidthitalicShowstextthatshouldbereplacedwithuser-suppliedvaluesorbyvaluesdeterminedbycontextTIPThiselementsignifiesatiporsuggestionNOTEThiselementsignifiesageneralnoteWARNINGThiselementindicatesawarningorcautionUsingCodeExamplesSupplementalmaterial(codeexamples,exercises,etc.isavailablefordownloadathttps://github.com/andrewgbruce/statistics-for-data-scientistsThisbookisheretohelpyougetyourjobdone.Ingeneral,ifexamplecodeisofferedwiththisbook,youmayuseitinyourprogramsanddocumentation.youdonotneedtocontactusforpermissionunlessyou'rereproducingasignificantportionofthecode.Forexample,writingaprogramthatusesseveralchunksofcodefromthisbookdoesnotrequirepermission.SellingordistributingaCD-ROMofexamplesfromOReillybooksdoesrequirepermission.answeringaquestionbycitingthisbookandquotingexamplecodedoesnotrequirepermission.Incorporatingasignificantamountofexamplecodefromthisbookintoyourproduct'sdocumentationdoesrequirepermissionWeappreciate,butdonotrequire,attribution.Anattributionusuallyincludesthetitle,author,publisher,andisBN.Forexample:PracticalStatisticsfordataScientistsbyPeterBruceandAndrewBruce(o'Reilly).Copyright2017PeterBruceandandrewbruce.978-1-491-95296-2Ifyoufeelyouruseofcodeexamplesfallsoutsidefairuseorthepermissiongivenabove,feelfreetocontactusatpermissions(@oreilly.comSafari(BooksonlineNOTESafaribooksOnlineisanon-demanddigitallibrarythatdeliversexpertcontentinbothbookandvideoformfromtheworldsleadingauthorsintechnologyandbusinessTechnologyprofessionals,softwaredevelopers,webdesigners,andbusinessandcreativeprofessionalsuseSafariBooksOnlineastheirprimaryr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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。