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Relationship between SciPy and NumPy
... lapack and blas, which are available in highly optimised versions on many platforms and offer very good performance, particularly for operations on reasonably large dense matrices. On the other hand, they are not easy libraries to compile, requiring a fortran compiler and many platform specific tw...
创业者如何发现开放却未知的秘密 - 资讯 - 清泛网 - 专注C/C++及内核技术
...最高奖项——诺贝尔医学奖。
彼得认为硅谷的那些创新公司正是建立于未知的秘密之上。他以airbnb、lyft、uber和facebook举例，彼得认为只有相信并探索秘密才能发现常规之外的，近在眼前却不为常人所见的商机。
我举例来说明...
RE error: illegal byte sequence on Mac OS X
...an endianness (UTF-16BE or UTF-16LE), so we need to use UTF-16, which uses platform-specific endianness, and then use file --mime-encoding to discover the true endianness iconv used.
(I uppercase all my encodings because when you list all of iconv's supported encodings with iconv -l they are all up...
谁在争抢UGC - 资讯 - 清泛网 - 专注C/C++及内核技术
...成。
对于需要获得优质内容来吸引用户、读者的互联网公司来说，拥有一大批优质的UGC创造内容对企业未来的发展至关重要，谁得到UGC谁就会成为行业佼佼者。
UGC
How to find the operating system version using JavaScript?
...rties using
console.log(navigator);
You'll see something like this
# platform = Win32
# appCodeName = Mozilla
# appName = Netscape
# appVersion = 5.0 (Windows; en-US)
# language = en-US
# mimeTypes = [object MimeTypeArray]
# oscpu = Windows NT 5.1
# vendor = Firefox
# vendorSub = 1.0.7
# produ...
乐高 EV3 实验04 - 颜色传感器巡线 · App Inventor 2 中文网
...巡线要用反射光模式，不是颜色模式。颜色模式只能给出有限的几种颜色，
在黑白交界处会跳来跳去；反射光给的是连续值（白色 ~70、黑色 ~10），
能判断”压线多少”，控制才平滑。
三、界面组件
...
How does the socket API accept() function work?
... I don't know the implementation details (which probably vary from platform to platform), I just know that conceptually the sockets are identified by the quartet of information I described.
– 17 of 26
Jan 30 '09 at 12:36
...
两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
...
应用商店
苹果是最早推出应用商店这个概念的公司，后来谷歌和微软纷纷效仿，但苹果还是这方面的“专家”。只是微软在这方面也有新的举动，因为现在 Windows 10 让所有设备都有了 Windows Store 商店。桌面和移动版本...
实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ield=id
注：实际应用时，应该加上权限判断逻辑，比如只有限定的IP地址才能使用此功能。
当数据库有新数据的时候，可以通过触发器来写Nginx共享内存，当然，在应用层通过观察者模式来写Nginx共享内存通常会是一个更优雅的...
When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]
...Loop, enabling a vast number of supported protocols.
But in 2011 tornado.platform.twisted was out which brings similar functionality.
Performance
Tornado has much better performance. It also works seamlessly with PyPy, and get huge gain.
Scalability
The same like Twisted. Tornado has tornado.p...