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How can I center an absolutely positioned element in a div?

... top: 0; right: 0; bottom: 0; left: 0; margin: auto; } Demo: http://jsbin.com/rexuk/2/ It was tested in Google Chrome, Firefox, and Internet Explorer 8. share | improve this answer ...
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fatal: git-write-tree: error building trees

...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...
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How to shrink the .git folder

...ng to make sure that this one actually finds good candidates. source: http://gcc.gnu.org/ml/gcc/2007-12/msg00165.html Will this get rid of binary data that is orphaned in my repo? "git repack" will not git rid of images or binary data that you have checked into your repo and then deleted it. T...
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Scatterplot with too many points

...e implements features which were presented by Hadley Wickham back in 2011 (http://blog.revolutionanalytics.com/2011/10/ggplot2-for-big-data.html). (In the following, I include the "points"-layer for illustration purposes.) library(ggplot2) library(ggsubplot) # Make up some data set.seed(955) dat ...
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术

...个高性能事件循环,支持简单的 API、两 Google翻译自:http://libev.schmorp.de/bench.html 本文档简要描述了针对 libevent 和 libev 运行 libevent 基准程序的结果。 Libevent 概述 Libevent(于 2000-11-14 首次发布)是一个高性能事件循环,支持...
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?

... I recently read a detailed article about React's diff algorithm here: http://calendar.perfplanet.com/2013/diff/. From what I understand, what makes React fast is: Batched DOM read/write operations. Efficient update of sub-tree only. Compared to dirty-check, the key differences IMO are: Mo...
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LEFT JOIN only first row

...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...
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Sorting object property by values

...1 : x > y ? 1 : 0; }); console.log('by name:'); console.log(byName); http://jsfiddle.net/xsM5s/16/ share | improve this answer | follow | ...
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phpunit mock method multiple calls with different arguments

... It seems Mockery (https://github.com/padraic/mockery) supports this. In my case I want to check that 2 indices are created on a database: Mockery, works: use Mockery as m; //... $coll = m::mock(MongoCollection::class); $db = m::mock(MongoD...
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How to lock orientation during runtime

...lock it back to portrait or make it sensor/slider driven. More info here: http://www.devx.com/wireless/Article/40792 share | improve this answer | follow | ...