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location.host vs location.hostname and cross-browser compatibility?
...tname. You pick whether you care to match the port number or not. See https://developer.mozilla.org/en/window.location for more info.
I would assume you want hostname to just get the site name.
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How do I find out which DOM element has the focus?
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Not sure if it helps, but you can make an element such as a div receive keyboard focus by including the attribute tabindex="0"
– Marco Luglio
Apr 12 '13 at 16:49
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大单融资后，MOOC去哪儿 - 资讯 - 清泛网 - 专注C/C++及内核技术
...高等教育在任何国家都是由国家主导的，MOOC已经是现在最‘市场化’的表现了。”据了解，过来人一直致力于大学生职业培训。对不少人而言都属于刚需的职业教育，在打通高等教育与职业教育的壁垒，进而形成闭环后，...
jQuery changing style of HTML element
... camel case also works so you can use .css({backgroundColor: "#fff"}) - PS i hate double quotes but they are easier to see in this comment
– danday74
May 9 '19 at 1:36
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App Inventor 2 蓝牙发送十六进制字节方案：文本转Hex字节详解 - App应用开...
...个字符一组，分别解析高位和低位，组合成一个字节值，最后用 WriteBytes 发送。
1. HexCharToValue 辅助过程将单个十六进制字符（0-9, A-F, a-f）转换为对应的数值：
"0"~"9" → 0~9"A"~"F" → 10~15"a"~&q...
How to delete a row by reference in data.table?
...t thought of that. It'll have to be a series of memmoves to budge up the gaps, but that's ok.
– Matt Dowle
Jan 21 '14 at 20:50
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browser sessionStorage. share between tabs?
...hing every time i opened a tab.... any tab... on any website. (good ol IE) PS: you'll obviously need to include a JSON shim if you want IE8 support as well. :)
Credit goes to this full article:
http://blog.guya.net/2015/06/12/sharing-sessionstorage-between-tabs-for-secure-multi-tab-authentication/
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SBT stop run without exiting
... After forking, to kill everything java except sbt, run: kill -9 `ps -h | grep java | grep -v sbt-launch | grep -v grep | awk '{print $1}'`
– dsg
Nov 27 '12 at 21:05
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How to copy directories in OS X 10.7.3?
...out copy folders from command line: ditto command ss64.com/osx/ditto.html PS. Unlike cp -R, if the destination folder already exists, the existing contents will be merged with the contents of the folder being copied.
– Alexander Hramov
Feb 6 '15 at 7:00
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区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...链技术,是继蒸汽机、电力、信息和互联网科技之后,目前最有潜力触发第五轮颠覆性革命浪潮的核心技术。
过去两年,位于硅谷和纽约的区块链技术公司成为了各风投基金竞相追捧的热门项目。仅2015年,全球范围内投资在比特币...