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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
...p实现的epoll就不能加入内核文件描述符。因此大多数开源软件要转到dpdk协议栈接口就有这方面的设计问题。
生产环境稳定性有待验证
因为不走内核了，不支持netstat等工具链
总之做tcp webserver的考虑各方面研发运维成本，目...
How to get a random number in Ruby
...to debug, hence the 1.9.2 target for that feature).
For instance, in this game where you need to guess 10 numbers, you can initialize them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30) (using Random.new) general...
我帮儿子用App Inventor 2给遥控车装了"蓝牙大脑"，手机一划车就...
...牙数据后，通过MOS管驱动原有遥控车的电机控制信号
软件端（App Inventor 2）
核心组件清单：
- BluetoothClient — 蓝牙连接与数据收发
- Canvas + Ball — 模拟方向盘
- Clock（定时器） — 方向盘位置到指令的轮询转换
- ListPicker — ...
Django rest framework nested self-referential objects
...
Late to the game here, but here's my solution. Let's say I'm serializing a Blah, with multiple children also of type Blah.
class RecursiveField(serializers.Serializer):
def to_native(self, value):
return self.par...
Is it possible to use Visual Studio on macOS?
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While Parallels is technically a VM it is capable of running games in high resolution at a high frame rate. If you run Parallels in Coherence mode it completely integrates Windows 7 into OS X and .Net framework is fully supported. So yes you can install Visual Studio on your Mac howev...
Android - How To Override the “Back” button so it doesn't Finish() my Activity?
... I agree with @Matt. I'm currently working on a cross platform game which uses the NDK. As such, it's easiest if everything is a single activity. Because of this, the default behavour of the back button is to escape the application, which is not what most users expect. So I had to ove...
谁在争抢UGC - 资讯 - 清泛网 - 专注C/C++及内核技术
...业务，而是一种用户使用互联网的新方式，即由原来的以下载为主变成下载和上传并重。YouTube、MySpace等网站都可以看做是UGC的成功案例，社区网络、视频分享、博客和播客(视频分享)等都是UGC的主要应用形式。
UGC正在成为互联...
马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...威客网站等，从【给宝宝取名】到开发一个【和QQ一样的软件】，外包质量参差不齐，对程序猿的劳动不够尊重，经常遇到是否能1000块开发出一个像淘宝那样的网站的问题，自身价值分分钟被贬低，差点被气得一口老血喷涌而出...
Download single files from GitHub
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I'm a bit late to the game, but this worked perfectly for me. Viewing the raw content and then right-clicking to download didn't work for my case because I needed the file in a specific format, which wasn't offered by my computer. The commands in ...
How to convert an address into a Google Maps Link (NOT MAP)
...
I know I'm very late to the game, but thought I'd contribute for posterity's sake.
I wrote a short jQuery function that will automatically turn any <address> tags into Google maps links.
See a demo here.
$(document).ready(function () {
//Con...