EPM1270光电传感器数据采集板protel99se硬件设计原理图+PCB+BOM文件，采用2层板设计，板子大小为80x60mm，双面布局布线，主要器件为EPM1270T144C5，ADM3202，LM2596，TIL191等。
Protel99se设计的DDB后缀项目工程文件，包括完整无误的原理图及PCB印制板图，可用Protel或AltiumDesigner(AD)软件打开或修改，已经制板并在实际项目中使用，可作为你产品设计的参考。
AltiumDesigner设计的工程文件，包括完整无误的原理图及PCB，可以用Altium(AD)软件打开或修改，已经制板并在实际项目中使用。

protel99sePCB封装库360个

自动控制课程设计，角度随动系统，有需要的同学可以来下载一下。
包括proteus仿真，protel99se的ddb，和实验报告。

献给电子工程师的爱，1of2，信息的一个总汇，dos下都可以用的，放心

csdn找了半天没有直接可以用的代码。
这个压缩包解开放一个文件夹可以直接用。
直接在command里面输入[s_box,inv_s_box,w,poly_mat,inv_poly_mat]=aes_init;2plaintext_hex={’00’’11’’22’’33’’44’’55’’66’’77’...3’88’’99’’aa’’bb’’cc’’dd’’ee’’ff’};4plaintext=hex2dec(plaintext_hex);5ciphertext=cipher(plaintext,w,s_box,poly_mat);6re_plaintext=inv_cipher(ciphertext,w,inv_s_box,inv_poly_mat);plaintext明文cipehertext密文re_plaintext解密key在aes_init修改实测可用

QC-T-29101-1992汽车用操纵拉索总成.pdf

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

opengl20面体#include#defineX.525731112119133606#defineZ.850650808352039932staticGLfloatvdata[12][3]={//各顶点坐标{-X,0.0,Z},{X,0.0,Z},{-X,0.0,-Z},{X,0.0,-Z},{0.0,Z,X},{0.0,Z,-X},{0.0,-Z,X},{0.0,-Z,-X},{Z,X,0.0},{-Z,X,0.0},{Z,-X,0.0},{-Z,-X,0.0},};staticGLuinttindices[20][3]={//构成各面（三角形）的顶点索引{1,4,0},{4,9,0},{4,5,9},{8,5,4},{1,8,4},{1,10,8},{10,3,8},{8,3,5},{3,2,5},{3,7,2},{3,10,7},{10,6,7},{6,11,7},{6,0,11},{6,1,0},{10,1,6},{11,0,9},{2,11,9},{5,2,9},{11,2,7},};voiddisplay(){glClear(GL_COLOR_BUFFER_BIT);glBegin(GL_TRIANGLES);for(inti=0;i＜20;++i){glColor3f(1.0,1.0,i*1.0/20);//颜色设置glVertex3fv(&vdata;[tindices[i][0]][0]);glVertex3fv(&vdata;[tindices[i][1]][0]);glVertex3fv(&vdata;[tindices[i][2]][0]);}glEnd();glFlush();}voidinit(){glClearColor(0.0,0.0,0.0,0.0);}intmain(intargc,char**argv){glutInit(&argc;,argv);glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);glutInitWindowSize(250,250);glutInitWindowPosition(100,100);glutCreateWindow("Polygon");init();glutDisplayFunc(display);glutMainLoop();return0;}

这是自己用LayaAir2.0写的一个2048小游戏，多多交流。
演示地址：https://blog.csdn.net/wangmx1993328/article/details/86620450

手机号段归属地数据383704条包括170171号段移动198号段联通166号段电信199号段，具体数据分布如下：中国移动192289条中国联通103617条中国电信79044条迪信通979条远特通信922条爱施德831条分享通信786条话机通信698条国美极信571条海航通信549条阿里通信440条虚拟运营商380条中兴视通351条苏宁互联314条乐语通信262条朗玛信息250条银盛通信230条巴士在线191条京东通信171条星美生活165条华翔联信159条民生通讯103条长江时代65条三五互联65条无限互联63条世纪互联50条全民优打42条懂的通信41条用友通信29条263网络通信25条平安通信8条郑州讯捷8条丰信通信6条

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。