昨天在检查YourSQLDba备份时,发现有台数据库做备份时出现了下面错误信息,如下所示: <Exec>   <ctx>yMaint.ShrinkLog</ctx>   <inf>Log Shrink</inf>   <Sql> --  ======================================================================== -- Shrink of log file E:\SQ…

Manipulation gesture:保持点击手势,在3D世界中绝对运动 当你想要全息图像1:1响应用户手部移动时,操纵手势能被用于移动.缩放或旋转全息图像.如此的一个用处是使得用户可以在世界中绘制图像或作画.使用所有的手势时,操纵手势的初始目标应该通过凝视来选中.一旦点击手势开始,通过手部移动的任何对对象的操作都能够被处理,在用户操作全息图像时,从而使得用户得以自由地四处张望. 1.修改HandsManager.cs,添加InteractionManager.SourcePressed,I…

Manipulation gesture:保持点击手势,在3D世界中绝对运动 当你想要全息图像1:1响应用户手部移动时,操纵手势能被用于移动.缩放或旋转全息图像.如此的一个用处是使得用户可以在世界中绘制图像或作画.使用所有的手势时,操纵手势的初始目标应该通过凝视来选中.一旦点击手势开始,通过手部移动的任何对对象的操作都能够被处理,在用户操作全息图像时,从而使得用户得以自由地四处张望. 1.修改HandsManager.cs,添加InteractionManager.SourcePressed,I…

The scenario is about Business Secret and our client do worry about data leakage. They want to know whether Suspect copy those data to external hard drive or not. In fact it is not easy for Forensic guys to answer this question. Of course if you copy…

Data manipulation primitives in R and Python Both R and Python are incredibly good tools to manipulate your data and their integration is becoming increasingly important1. The latest tool for data manipulation in R is Dplyr2 whilst Python relies onPa…

C. String Manipulation 1.0 Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 codeforces.com/problemset/problem/91/B Description One popular website developed an unusual username editing procedure. One can change the username only by deleting some characte…

In bash shell, when you use a dollar sign followed by a variable name, shell expands the variable with its value. This feature of shell is called parameter expansion. But parameter expansion has numerous other forms which allow you to expand a parame…

在Windows Phone 7的多触摸屏上可以检测到至少四根同时存在的手指,并且一起操作使触摸屏充分发挥效果. 在silverlight开发中通过事件来实现触屏事件的检测,包括低级别的和高级别的接口. (1)低级别主要是FrameReported 事件,是Page页面 Touch.FrameReported += OnTouchFrameReported; FrameReported事件是静态 Touch 类的唯一公共成员.处理程序如下所示: voidOnTouchFrameReported(…

原文 WPF Multi-Touch 开发:高级触屏操作(Manipulation) 在上一篇中我们对基础触控操作有了初步了解,本篇将继续介绍触碰控制的高级操作(Manipulation),在高级操作中包含了一些特殊的触屏手势:平移.缩放.旋转,当然在WPF 中无需自行开发这些手势,只需将UI 控件的IsManipulationEnabled 属性激活,并通过以下四种事件完成各种触屏手势操作:ManipulationStarting.ManipulationStarted.Manipulatio…

dplyr and data.table are amazing packages that make data manipulation in R fun. Both packages have their strengths. While dplyr is more elegant and resembles natural language, data.table is succinct and we can do a lot withdata.table in just a single…