Security arrangements for a universal serial bus (USB) protocol stack of a USB host system are provided. The security arrangements prevent an unauthorized or suspicious USB device from communicating with the host system, detect suspicious activity or…
应用程序连接测试数据库时报ORA-12516:TNS:listener could not find available handler with matching protocol stack 检查监听日志文件,发现大量的TNS-12516错误 cd /u01/app/oracle/product/10.2.0/db_1/network/log more listener.log TNS-12516: TNS:listener could not find available handler…
http://www.obdexperts.co.uk/stack.html OBD II Software OBD Experts can provide you with ready to use off-the-shelf OBD II software implementing the following automotive protocols: ISO 9141-2 KWP 2000-4 SAE J1850 PWM (Ford SCP) SAE J1850 VPW (GM Class…
Title: Intermittent TNS-12516 or TNS-12519 Errors Connecting Via Net Symptom(s) ~~~~~~~~~~ Client connections may intermittently fail with either of the following errors: TNS-12516 TNS:listener could not find instance with matching protocol stack TNS…
Delphi有时候无法连接调试一些手机,解决方案: 1.安装Google USB Driver 2.通过设备管理器查看手机或平板USB的VID,PID 3.修改你的电脑上的android_winusb.inf,将第2步找到的VID,PID加到inf中. 例如: ;Samsung Galaxy S3 %SingleAdbInterface% = USB_Install, USB\VID_04E8&PID_6860 %CompositeAdbInterface% = USB_Install, USB…
一.基础概念 在终端用户看来,USB设备为主机提供了多种多样的附加功能,如文件传输,声音播放等,但对USB主机来说,它与所有USB设备的接口都是一致的.一个USB设备由3个功能模块组成:USB总线接口.USB逻辑设备和功能单元: a -- 这里的USB总线接口指的是USB设备中的串行接口引擎(SIE): b -- USB逻辑设备被USB系统软件看作是一个端点的集合: c -- 功能单元被客户软件看作是一个接口的集合.SIE.端点和接口都是USB设备的组成单元: 为了更好地描述USB设备的特征,U…
https://www.amazon.com/gp/product/1118887735 The chapter about debugging is rather outdated - it describes LKCD/lcrash environment but all new kernels have kexec/kdump facility and 'crash' is the preferred debugger for those vmcores. Maybe 2.4 kernel…
解决办法定位原因-- 以sysdba身份登陆PL/SQL sqlplus / as sysdba;-- 查看当前连接进程数SQL>select count(*) from v$process;-- 查看连接数上限SQL>select value from v$parameter where name = 'processes';-- 查询processes数量SQL> show parameter processesNAME TYPE VALUE---------------------…
导致此问题的可能原因为:数据库的当前会话说不满足造成的. 解决方法如下: (1)连接数据库: [localhost@oracle]$:sqlplus  /nolog sql>conn  / as sysdba (2)查看两个相关参数:(processes 和 sessions) sql>show parameter processes; sql>show parameter sessions; 注:processes和sessions二者的关系是:sessions= (1.1*proce…
转至:http://blog.csdn.net/MichaelSrc/article/details/6760247 1.查看当前连接进程数 SQL>select count(*) from v$process; 2.查看连接数上限 SQL>select value from v$parameter where name = 'processes'; 3.查看当前数据库的processes设置 SQL> show parameter processes SQL> show para…