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Extract first item of each sublist
...choose highly depends on context, readability, and preference.
More info:
https://docs.python.org/3/library/operator.html#operator.itemgetter
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R memory management / cannot allocate vector of size n Mb
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Here is a presentation on this topic that you might find interesting:
http://www.bytemining.com/2010/08/taking-r-to-the-limit-part-ii-large-datasets-in-r/
I haven't tried the discussed things myself, but the bigmemory package seems very useful
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What is Delegate? [closed]
...legate:
Delegate-name delegate-object=new Delegate-name(method of class)
http://knowpacific.wordpress.com/2012/01/26/delegate/
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How can I add a box-shadow on one side of an element?
...div{
margin:20px;
display:table;
overflow:hidden;
}
Demo:
http://jsfiddle.net/jDyQt/103
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Is That REST API Really RPC? Roy Fielding Seems to Think So
...podaca Your link has died of dysentery. web.archive.org/web/20170409132237/https://kenai.com/projects/…
– forresthopkinsa
Jul 19 '17 at 18:21
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How to remove the border highlight on an input text element
...d focus. For further reading and additional sources about this subject see http://outlinenone.com/
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Is there a way to change context to iframe in javascript console?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
GetProperties() to return all properties for an interface inheritance hierarchy
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...通用的数据中间层——glider——来屏蔽这个影响。glider以HTTP协议对外提供restful方式的接口。数据产品可以通过一个唯一的URL获取到它想要的数据。
以上是淘宝海量数据产品在技术架构方面的一个概括性的介绍，接下来我将重...