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为什么你得学些 TCP 的知识? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...消息时,每次要耗费 40 毫秒”。我已经断断续续思考了一个星期,但是没有任何结果。 一点背景知识:NSQ 是一个消息队列,你通过本地的一个 HTTP 请求向其发布消息。发送本地的一个 HTTP 请求确实不应该花费 40 毫秒,有时候...
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为什么你得学些 TCP 的知识? - 环境配置 - 清泛IT社区,为创新赋能!

...消息时,每次要耗费 40 毫秒”。我已经断断续续思考了一个星期,但是没有任何结果。 一点背景知识:NSQ 是一个消息队列,你通过本地的一个 HTTP 请求向其发布消息。发送本地的一个 HTTP 请求确实不应该花费 40 毫秒,有时候...
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Why is printing to stdout so slow? Can it be sped up?

...can it be that writing to physical disk is WAY faster than writing to the "screen" (presumably an all-RAM op), and is effectively as fast as simply dumping to the garbage with /dev/null? Congratulations, you have just discovered the importance of I/O buffering. :-) The disk appears to be faster, ...
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Taking screenshot on Emulator from Android Studio

...bably might be the silliest question but still, I don't know how to take a screenshot of Emulator via Android Studio. I recently switched from Eclipse to Android Studio and I could not find it anywhere, I tried to search on web too but no help. ...
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Android View.getDrawingCache returns null, only null

...dth and height must be >0..............................private void takeScreenShot() { for (int i = 1; i < 4; i++) { //startDialog(); View view = ScreenShotActivity.this.findViewById(R.id.relativelayout); Bitmap bitmap = loadBitmapFromView(view);}} – ...
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windows异常处理 __try __except - C/C++ - 清泛网 - 专注C/C++及内核技术

..._except关键字来定义。并且,catch关键字后面往往好像接受一个函数参数一样,可以是各种类型的异常数据对象;但是__except关键字则不同,它后面跟的却是一个表达式,我们知道,函数调用也是一个表达式。 我们来看下面这...
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How to pinch out in iOS simulator when map view is only a portion of the screen?

...d that I am adding an MKMapView to that is say half the height of the full screen. However, when I try to pinch out on the iOS Simulator it doesn't work since the to nubs fill the entire iPad view on the simulator. ...
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How can I get the current screen orientation?

...onConfigurationChanged() may crash. User will use this code to get current screen orientation. public int getScreenOrientation() { Display getOrient = getActivity().getWindowManager().getDefaultDisplay(); int orientation = Configuration.ORIENTATION_UNDEFINED; if(getOrient.getWidth()==g...
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Deep Learning(深度学习)学习笔记整理系列之(四) - 大数据 & AI - 清泛...

...神经网络(ANN)本身就是具有层次结构的系统,如果给定一个神经网络,我们假设其输出与输入是相同的,然后训练调整其参数,得到每一层中的权重。自然地,我们就得到了输入I的几种不同表示(每一层代表一种表示),这...
https://www.tsingfun.com/it/bi... 

Deep Learning(深度学习)学习笔记整理系列之(四) - 大数据 & AI - 清泛...

...神经网络(ANN)本身就是具有层次结构的系统,如果给定一个神经网络,我们假设其输出与输入是相同的,然后训练调整其参数,得到每一层中的权重。自然地,我们就得到了输入I的几种不同表示(每一层代表一种表示),这...