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Why are elementwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop.
10 Answers
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
...w 60 MB/s. Even though SHA-256 appears "slow" here, it is fast enough for most purposes.
Note that OpenSSL includes a 32-bit implementation of SHA-512 which is quite faster than my code (but not as fast as the 64-bit SHA-512), because the OpenSSL implementation is in assembly and uses SSE2 register...
How to install the current version of Go in Ubuntu Precise
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sudo apt-get install python-software-properties # 12.04
sudo add-apt-repository ppa:duh/golang
sudo apt-get update
sudo apt-get install golang
To confirm:
go version
which outputs in my case (Ubuntu precise)
go version go1.1.1 linux/amd64
From there just export the settings you're gonna n...
How to declare global variables in Android?
...n Android development. I have added a long addendum at the bottom of this post, addressing some criticism, and detailing a philosophical disagreement I have with the use of Singletons rather than subclassing Application. Read it at your own risk.
ORIGINAL ANSWER:
The more general problem you are ...
Git blame — prior commits?
Is it possible to see who edited a specific line before the commit reported by git blame , like a history of commits for a given line?
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导航条使用指导 · App Inventor 2 中文网
...性能的页面可以关闭毛玻璃。
完整 .aia 源码与操作指导
下载 .aia 源码
首页、分类、消息、我的四标签导航，中文选择器涵盖六种动画和三种显示模式。点击实际导航更新内容反馈，可测试悬浮球展开、横竖...
Can't connect to local MySQL server through socket homebrew
...ql.sock
This solved it for me. Now my phpMyAdmin works happily with localhost and 127.0.0.1.
Credit goes to Henry
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“Pretty” Continuous Integration for Python
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You might want to check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command:
nosetests --with-xunit --enable-cover
That'll be helpful if you want to go the Jenkins route, or if you want to ...
“互联网卖菜”没那么简单 创业者不要盲目跟风 - 资讯 - 清泛网 - 专注C/C+...
...是要远超互联网低价平台的，所以这种模式不可取，虽然操作起来是最快上线，最简单粗暴的，但死掉的也是最多的。
还有一种是菜农自身去做的互联网卖菜平台，通常更多的是土特产或可长期保存的蔬菜，包括天猫，拼好货...
Where do I use delegates? [closed]
... is an operator, used to construct lambda expressions. Lambda expressions mostly results in anoymous methods which will be pointed to by... a delegate.
– Martin Mulder
Apr 22 '15 at 8:36
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