草庐IT

0x00000001

全部标签

python - 无法嗅探以太网类型 0x0102 自定义数据包

第一个问题是Scapy无法嗅探以太类型0x0102上的自定义数据包。计算.py↓fromscapy.allimport*classcalc(Packet):name='calc'fields_desc=[BitEnumField('op',0,8,{1:'ADD',2:'SUM',3:'MUL'}),BitField('num1',0,32),BitField('num2',0,32)]发送计算.py↓fromscapy.allimport*fromcalcimport*p=Ether(type=0x0102)/IP(dst='192.168.1.0')/ICMP()/calc(op=

qt - QT 中 TCP 套接字上的 0x00 十六进制

我在通过tcp发送0x00时遇到问题。像0x01这样的数据是可以的,服务器接收为00000001,但是什么时候是0x00-服务器上没有接收到消息。客户端代码:QByteArraysender="\x00";socket.write(sender);服务器代码:QByteArrayData=socket->readAll();QStringstr=QString(Data.toHex());qDebug()=0;--i){qDebug()>i)&1);}如何发送十六进制的0x00? 最佳答案 您正在从一个字符串构造一个QByteArr

sql-server - Centos : Sqlcmd: Error: Microsoft ODBC Driver 13 for SQL Server : TCP Provider: Error code 0x2749

我已经在Centos7上安装了MSSSQL。安装完成但是当我通过sqlcmd连接到SQL时它给出了以下错误。[root@S*03****k~]#sqlcmd-S127.0.0.1-Usa-PH*****3Sqlcmd:Error:MicrosoftODBCDriver13forSQLServer:Logintimeoutexpired.Sqlcmd:Error:MicrosoftODBCDriver13forSQLServer:TCPProvider:Errorcode0x2749.Sqlcmd:Error:MicrosoftODBCDriver13forSQLServer:Anetw

ios - 崩溃 : com. apple.main-thread EXC_BAD_ACCESS KERN_INVALID_ADDRESS at 0x0000000000000003

我已经使用iOSSDK8.1完成了Swift应用程序的开发,现在外部测试人员正在通过TestFlight作为测试版对其进行测试。最近,我通过Crashlytics收到了一份崩溃报告,其中包含以下堆栈跟踪:0libobjc.A.dylibobjc_msgSend+28setRefreshControlState:1libdispatch.dylib_dispatch_call_block_and_release+242libdispatch.dylib_dispatch_client_callout+163libdispatch.dylib_dispatch_after_timer_ca

swift 错误 : Thread 1: EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, 子代码 = 0x0)

当我尝试启动我的应用程序时,出现两个看起来像是内部断点的错误,但我无法删除它们,错误消息是:Thread1:EXC_BAD_INSTRUCTION(code=EXC_I386_INVOP,subcode=0x0)这些是接收错误的代码行(如果需要我可以提供整个ViewController):Interest(title:"WeLoveTravelingAroundtheWorld",description:"Welovebackpackandadventures!WewalkedtoAntarticayesterday,andcampedwithsomecutepinguines,and

ios - 在 SpriteKit 中出现错误。 - 线程 1 : EXC_BREAKPOINT (code=1, 子代码 = 0x1007351fc)

我正在创建一个游戏,我正在找人来编辑我的代码,以了解为什么会崩溃并出现以下错误代码:Thread1:EXC_BREAKPOINT(code=1,subcode=0x1007351fc)这是我的代码:importUIKitimportSpriteKitclassWinner:SKScene{overrideinit(size:CGSize){super.init(size:size)backgroundColor=SKColor(red:CGFloat(248),green:CGFloat(248),blue:CGFloat(248),alpha:CGFloat(255))//UICol

g2o报错found NaN in error for edge NaN within Jacobian for edge 0x7fab3876cd10 for vertex 0

computeActiveErrors():foundNaNinerrorforedge0x7fab384f0cc0computeActiveErrors():foundNaNinerrorforedge0x7fab384f18c0computeActiveErrors():foundNaNinerrorforedge0x7fab384f1ac0computeActiveErrors():foundNaNinerrorforedge0x7fab384f26c0computeActiveErrors():foundNaNinerrorforedge0x7fab384f28c0buildSyste

ios - EXC_BREAKPOINT 0x00000000e7ffdefe 在 Crashlytics

我在Crashlytics中遇到以下错误LoginViewController.swiftline277LoginViewController.textField(UITextField,shouldChangeCharactersInRange:_NSRange,replacementString:String)->Bool我的项目中有代码://MARK:-UITextFieldDelegatefunctextField(textField:UITextField,shouldChangeCharactersInRangerange:NSRange,replacementString

swift - 如何调试 "EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)"Swift 错误?

我需要以下代码才能运行。letillinois=College(name:"UniversityodIllinois",location:"Urbana-Champaign",numberOfStudents:35000,image:UIImage(named:"Default")!)letmissouri=College(name:"UniversityofMissouri",location:"Columbia",numberOfStudents:34658,image:UIImage(named:"MissuouriImage")!)letiowa=College(name:"U

iOS11 在 AVPlayerItemTrack.assetTrack.mediaType (Thread 1 : EXC_BAD_ACCESS (code=1, address=0x0) 上崩溃

我像这样从AVPlayerItem观察轨道属性的键值:overridefuncobserveValue(forKeyPathkeyPath:String?,ofobject:Any?,change:[NSKeyValueChangeKey:Any]?,context:UnsafeMutableRawPointer?){ifcontext==&PlayerItemObserverContext{[...morecode...]}elseifkeyPath==#keyPath(AVPlayerItem.tracks){ifletplayerItem=self.playerItem{fort