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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
...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...
How can I symlink a file in Linux? [closed]
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ln -s target linkName
You can have a look at the man page here:
http://linux.die.net/man/1/ln
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Styling text input caret
...shadow: none;
-webkit-text-fill-color: initial;
}
Here is an example: http://jsfiddle.net/8k1k0awb/
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关于jQuery的AJAX不兼容IE的解决办法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ar2"]} 转换为 "&foo=bar1&foo=bar2"。
代码片段:
var siteUrl="http://blog.sina.com.cn/cnwyt";
jQuery.ajax({
type: "get",
url: siteUrl+"cosmetics/product/ajax_check?",
//data: "bid="+my_bid+"&name_cn="+name_cn+"&timeStamp=" + new Date().getTime(),
data: {'bid':my_bid,'name_cn':name...
How to execute XPath one-liners from shell?
... To use namespace add it to -qs like this: '-qs:declare namespace mets="http://www.loc.gov/METS/";/mets:mets/mets:dmdSec'
– igo
Aug 24 '16 at 12:26
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What resources exist for Database performance-tuning? [closed]
... a fantastic repository on every type of performance problem imaginable on http://asktom.oracle.com. He usually takes the time to recreate specific problems and gives very detailed explanations.
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What's the reason I can't create generic array types in Java?
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(I believe it is Neal Gafter, but am not sure)
See it in context here: http://forums.sun.com/thread.jspa?threadID=457033&forumID=316
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OS X: equivalent of Linux's wget
How can I do an HTTP GET from a Un*x shell script on a stock OS X system? (installing third-party software is not an option, for this has to run on a lot of different systems which I don't have control on).
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How to keep environment variables when using sudo
...th sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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How to specify a multi-line shell variable?
...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...