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相信用过罗技G系鼠标的同学都对罗技鼠标强大的自定义功能留下过深刻的印象。对于那些表示只愿追求简单拒绝功能复杂而去使用三键鼠标的同学，我很怀疑他们是否真正了解到多键鼠标或手势功能对电脑操作便捷上带来的重大意义。复制粘贴，前进后退，关闭等等这些操作看似简单，但有的需要键盘配合，有的需要右手精确操作(随着屏幕越来越大，鼠标为点击关闭等按钮而滑行的距离越来越长)，如果这些操作都能由右手在盲操作的情况下完成，那将给电脑的使用体验带来巨大的变化。 在pc上一直使用逻辑G300，完美的官方驱动软件给小小的G300注入了强大的自定义功能，唯一的遗憾是滚轮不带左右拨和有线。而换在imac上，由于苹果键盘鼠标触控板都是无线(吐槽一下键盘，虽然盖上膜以后手感差到极点，但其轻巧的体积和蓝牙连接还是给桌面的整洁起到很重要的作用)，所以加的这个有线鼠标马上会变成眼中钉。随后入了一只罗技M705，被其3年的待机时间所迷惑，脑残的光头设计使用起来简直让人头晕。然后考虑罗技G700，了解到G700已停产，而G700s丑陋的涂漆及缩水的自定义键(据说升级后的G700s功能键全由之前的微动换成了贴片)实在让人失望，而且待机时间跟手机差不多，并且价格高昂，对于不玩儿游戏的我来说，实在找不出理由狠这个心。 寻觅了很久适合imac的多功能无线鼠标，一无所获。不经意间看到介绍BetterTouchTool的文章，如获至宝

一、系统偏好的设置 由于BTT里大量的手势设置难免会和系统默认手势发生冲突，所以要先把系统偏好里面的设置处理好。 “轻拍点按” 非常重要，要勾选，轻拍选中窗口，马上再次拍住(轻拍两次，第二次不抬起来)，这时窗口就粘在你手指上了，可以随便拖动。这样可以不用 “三指拖移”，减少以后的三指误操作，“查找”功能也不选，这个需要三指轻按，容易给后面的设置带来误操作，而且查找内容仅限于苹果软件内。例如chrome就不能用。 滚动方向 勾不勾因人而异，不勾的时候跟window下是一样的。 在页面之间推送 这个不要选。这个切换其实就是 前进和后退。os x 对这个切换处理的很不理想，有的地方要用两个手指滑动，有的地方要用三个手指滑动，所以直接取消，交个btt来设置。BTT可以设置系统级别的 前进和后退，大部分软件和finder都适用。区别是，safari失去了翻页效果，也无所谓了。 如果不常用到通知功能，通知中心也不要选。双指边缘滑动也用容易给后面的操作带来误操作。 系统偏好设置到此为止。 二、简单设置 三、鼠标手势翻译(部分手势可以直接看小方框内的演示)： 单手指 corner click bottom left 左下角单击 corner click bottom right右下角单击 single finger tap top left 单指轻拍左上角 single finger tap

本作业要求参见 https://edu.cnblogs.com/campus/nenu/2019fall/homework/9910 Beta阶段贡献规则如下： 　　Beta阶段最后一次立会进行记名投票，投票规则如下： 每人票选除自己外三名同学，按最终票数排名进行分数分配。 　经组长统计后，将按票数排序分配贡献分数。 　　　　第1名12分，第2名11分，第3名10分，第4名9分，第5名8分。（共50分） 来源： https://www.cnblogs.com/goujianzhifa/p/11801651.html

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there a method with a better resolution than 100us that can get me the total time a thread was working (without the time it was sleeping or waiting). thanks :) 回答1: You could use QueryThreadCycleTime(), it counts cpu cycles. You can't do better than that. Available in Vista and up. It doesn't count sleep nor wait time, I verified on Win7. 文章来源: c++ “GetThreadTimes” but with a better resolution

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have some data like below: x . row10 <- setNames ( data . frame ( letters [ 1 : 3 ], 1 : 3 , 2 : 4 , 3 : 5 , 4 : 6 , 5 : 7 , 6 : 8 , 7 : 9 ), c ( "names" , 2004 : 2009 , 2012 )) # names 2004 2005 2006 2007 2008 2009 2012 #1 a 1 2 3 4 5 6 7 #2 b 2 3 4 5 6 7 8 #3 c 3 4 5 6 7 8 9 Now I can make them long with gather() from the tidyr package by writing: x . row10 %>% gather ( Year , Val , - names ) But when I use x . row10 %>% gather ( Year , Val , c ( 2004 : 2009 , 2012 )) which is my intuitive choice, I get the error message Error:

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there any performance difference between using something like for(int i = 0; i and for(int i = 0; i or is the compiler able to optimize in such a way that they are equally fast in the case where they are functionally equivalent? Edit: This was asked because I had a discussion with a co-worker about it, not because I think its a useful optimization in any practical sense. It is largely academic. 回答1: There is no difference in the generated intermediate code for ++i and i++ in this case. Given this program: class Program { const int counter

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: is there an easy way to not draw this points in my lines? I don't know why this points are there because i never release my finger from screen during drawing of a line. I got the code from a drawing example. // draw a line - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { mouseSwiped = YES; UITouch *touch = [touches anyObject]; CGPoint currentPoint = [touch locationInView:self.view]; currentPoint.y -= 0; // 20 only for 'kCGLineCapRound' UIGraphicsBeginImageContext(self.view.frame.size); //Albert Renshaw - Apps4Life

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Possible Duplicate: filling a array with uniqe random numbers between 0-9 in c# I have a array like "page[100]" and i want to fill it with random numbers between 0-9 in c#... how i can do this? i used : IEnumerable<int> UniqueRandom(int minInclusive, int maxInclusive) { List<int> candidates = new List<int>(); for (int i = minInclusive; i <= maxInclusive; i++) { candidates.Add(i); } Random rnd = new Random(); while (candidates.Count > 1) { int index = rnd.Next(candidates.Count); yield return candidates[index]; candidates.RemoveAt(index); } }

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Consider this hypothetical situation: Bob and Eve's apps are installed on the same iPhone. Bob's app is running and binds to localhost:8080 to listen for AJAX calls from its own UIWebView . Eve's app runs in the background and tries to interfere with Bob's app by making AJAX calls to localhost:8080. Two questions: Assuming Eve's app knows Bob's AJAX API, will her calls be successful? (i.e. does iOS sandbox traffic on localhost?) Is it possible for Eve's app to sniff the traffic Bob's app is generating? 回答1: if Bob's app is running, yes Eve's