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How to properly seed random number generator
...typically set the seed inside of an init() block. They're documented here: http://golang.org/doc/effective_go.html#init
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Group a list of objects by an attribute : Java
I need to group a list of objects(Student) using an attribute(Location) of the particular object, the code is like below,
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What does '--set-upstream' do?
...eUploader: {
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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
通过 ulimit 改善系统性能本文介绍了 ulimit 内键指令的主要功能以及用于改善系统性能的 ulimit 使用方法。通过这篇文章，读者不仅可以了解 ulimit 所起的作用，并且可以学会如何更好地通过 ulimit 限制资源的使用来改善系统性能...
How to detect READ_COMMITTED_SNAPSHOT is enabled?
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As per https://msdn.microsoft.com/en-us/library/ms180065.aspx,
"DBCC USEROPTIONS reports an isolation level of 'read committed snapshot' when the database option READ_COMMITTED_SNAPSHOT is set to ON and the transaction isolation lev...
How to get a pixel's x,y coordinate color from an image?
... transparency with 0 being fully transparent.
Here is a jsFiddle example: http://jsfiddle.net/thirtydot/9SEMf/869/ I used jQuery for convenience in all of this, but it is by no means required.
Note: getImageData falls under the browser's same-origin policy to prevent data leaks, meaning this tech...
CSS display: table min-height not working
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Difference between this and self in self-type annotations?
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
...roject shared with native C# views implementation.
References and links
http://www.theregister.co.uk/Print/2013/02/25/cross_platform_abstraction/
http://kevinwhinnery.com/post/22764624253/comparing-titanium-and-phonegap
http://forums.xamarin.com/discussion/1003/your-opinion-about-several-crosspla...
How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
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iftop does for network usage what top(1) does for CPU usage -- http://www.ex-parrot.com/~pdw/iftop/
I don't know how "standard" iftop is, but I was able to install it with yum install iftop on Fedora.
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