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iPhone Data Usage Tracking/Monitoring

... The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface. I read in Apple forum that : The OS does not keep network statistics on a process-by-process basis. As such, there's n...
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [

Have a simple Google App Engine Web Application Project on Eclipse Kepler on Mac OS X with java version "1.7.0_45" 2 Answer...
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Node.js, can't open files. Error: ENOENT, stat './path/to/file'

...ot relative to the script file. So the file might be found if you run node app.js but not if you run node folder/app.js. The only exception to this is require('./file') and that is only possible because require exists per-module and thus knows what module it is being called from. To make a path re...
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

... 通过DPDK收到本机DNS请求的包后,解析请求,查询缓存(阻塞)。 所有非本机DNS查询的数据包或缓存未命中的包,通过DPDK的kni机制,重新走内核协议栈。(会增加一点延时,但是通过缓存的高命中率确保整体的收益非常高)...
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How to access session variables from any class in ASP.NET?

... } } This class stores one instance of itself in the ASP.NET session and allows you to access your session properties in a type-safe way from any class, e.g like this: int loginId = MySession.Current.LoginId; string property1 = MySession.Current.Property1; MySession.Current.Property1 = newValue;...
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NSInvocation for Dummies?

...oncept of messages is central to the objective-c philosophy. Any time you call a method, or access a variable of some object, you are sending it a message. NSInvocation comes in handy when you want to send a message to an object at a different point in time, or send the same message several times. N...
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Animate change of view controllers without using navigation controller stack, subviews or modal cont

...ontroller.view.anotherView). I've implemented a simple container class I called TransitionController. You can find it at https://gist.github.com/1394947. As an aside, I prefer the implementation in a separate class b/c it's easier to reuse. If you don't want that, you could simply implement the sa...
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Android YouTube app Play Video Intent

...ative app puts out in order to play the YouTube app. I could do this easially if I had the YouTube program on my emulator, so my 1st question is: 1. Can I download the YouTube app for my emulator, or... 2. What is the intent used when the user selects a video for playback. ...
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“Bitmap too large to be uploaded into a texture”

... All rendering is based on OpenGL, so no you can't go over this limit (GL_MAX_TEXTURE_SIZE depends on the device, but the minimum is 2048x2048, so any image lower than 2048x2048 will fit). With such big images, if you want to...
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Set HTTP header for one request

...TP request headers , but from what I can tell, it will set that header for all requests of that method. I have something like this in my code: ...