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    SAP PM 入门系列9 – PM模块的User-Exits & BADIs

    User-Exits: IPRM0002 Determine planned date info for maintenance plan IPRM0003 User field: Maintenance plan IPRM0004 Maintenance plan / item: Customer check for time "SAVE" IPRM0005 Determine Offset for Performance-Based Strategy Plans BADIs: DI_WPS_PLAN_EXT_DATE Set Reference Date for Scheduling Multiple Counter Plan IMRM_TL_WORKFLOWS Workflows, Based On Task Lists IPM5_CALL_INSPLOT Generate Inspection Lot as Call Object for Maintenance Plan IPRM_CHECK_UPD_SCHED Do Not Run DB Update in Scheduling IPRM_DIG_SIGNATURE Digital Signature for Maintenance Planning IPRM_MCP_DATE_I_PAST Check Whether Plan Date May be in the Past IPRM_MCP_SCHE_CHANGE Multiple Counter Plan: Adapt Dates During Scheduling IPRM_MCP_UPD_CALLOBJ Adjust Plan/Basic Dates of Call Objects IWP3_INSP_PLAN_CHECK Stability Study:Check Test Plan, Physical Sample in Schedule IWP3_INSP_TYPE_CHECK Inspectn Type Check in Maint. Plan for Inspection Lot Origin IWP3_ROUTING_SELECT Inspection Plan Selection in Schedule for Stability Study Function Module: MEASUREM_POINT_UPD_PYEAR Dynamically change the annual performance of a counter. BOR Objects: BUS1020 Preventitive Maintenance Plan

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    Qt音视频开发16-mpv通用接口

    前面几篇文章,依次讲了解码播放、录像存储、读取和控制、事件订阅等,其实这些功能的实现都离不开封装的通用的接口,最开始本人去调用一些设置的时候,发现多参数的不好实现,原来需要用mpv_node处理,而Qt中如何转成mpv_node需要特殊的处理才行,后来在开源主页看到了官方提供的demo例子,直接用qt封装好了多个接口(https://github.com/mpv-player/mpv-examples/tree/master/libmpv),看里面的注释是英文的,估计应该是官方提供的,传入的参数都是支持QVariant的,这样兼容性就超级强大了,多种不同类型的数据参数都可以传入进去,再次感谢官方的demo,官方的demo除了有QWidget的外还有qml的版本,同时还提供了opengl版本,各位有兴趣都可以down下来看看,不过demo比较简单就是,并没有演示所有的功能,只演示了最基础的功能比如播放视频进度控制等,离一个完整的视频播放器差十万八千里不止。

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    linux文件树

    以前有意找这方面的资料,今天突然发现在系统中就有 linux系统用man hier solaris用man  filesystem 其结果如下        /      This is the root directory.  This is where the whole tree starts.        /bin   This directory contains executable programs which are needed in sin-               gle user mode and to bring the system up or repair it.        /boot  Contains static files for the  boot  loader.   This  directory  only               holds  the  files which are needed during the boot process.  The map               installer and configuration files should go to /sbin and /etc.        /dev   Special or device files,  which  refer  to  physical  devices.   See               mknod(1).        /dos   If  both MS-DOS and Linux are run on one computer, this is a typical               place to mount a DOS file system.        /etc   Contains configuration files which are local to the  machine.   Some               larger  software  packages, like X11, can have their own subdirecto-               ries below /etc.  Site-wide configuration files may be  placed  here               or in /usr/etc.  Nevertheless, programs should always look for these               files in /etc and you may have links for these files to /usr/etc.        /etc/opt               Host-specific configuration files for add-on applications  installed               in /opt.        /etc/sgml               This  directory  contains  the  configuration files for SGML and XML               (optional).        /etc/skel               When a new user account is created, files from  this  directory  are               usually copied into the user’s home directory.        /etc/X11               Configuration files for the X11 window system (optional).        /home  On  machines  with  home  directories  for  users, these are usually               beneath this directory, directly or  not.   The  structure  of  this               directory depends on local administration decisions.        /lib   This directory should hold those shared libraries th

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