大约有 15,710 项符合查询结果(耗时:0.0258秒) [XML]

https://stackoverflow.com/ques... 

Cluster analysis in R: determine the optimal number of clusters

...r a bend or elbow in the sum of squared error (SSE) scree plot. See http://www.statmethods.net/advstats/cluster.html & http://www.mattpeeples.net/kmeans.html for more. The location of the elbow in the resulting plot suggests a suitable number of clusters for the kmeans: mydata <- d wss <-...
https://stackoverflow.com/ques... 

Access-Control-Allow-Origin error sending a jQuery Post to Google API's

...ataType:'jsonp' and adding a crossDomain:true $.ajax({ url: 'https://www.googleapis.com/moderator/v1/series?key='+key, data: myData, type: 'GET', crossDomain: true, dataType: 'jsonp', success: function() { alert("Success"); }, error: function() { alert('Failed!'); }, ...
https://stackoverflow.com/ques... 

How to generate .NET 4.0 classes from xsd?

...t;?xml version="1.0" encoding="UTF-8" ?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="shiporder"> <xs:complexType> <xs:sequence> <xs:element name="orderperson" type="xs:string"/> <xs:element name="shipto"> ...
https://stackoverflow.com/ques... 

file_put_contents(meta/services.json): failed to open stream: Permission denied

...der a default user depending on your environment it can be something like _www on OSX or www-data on *NIX systems, then the issue comes when you might have run some artisan commands and got some errors, so the artisan will write this file but with a different user because PHP on terminal is executed...
https://stackoverflow.com/ques... 

How to get first 5 characters from string [duplicate]

... Thanks, this is what I needed it for: if(substr($myURL, 0, 4) == "www.") $myURL = preg_replace('/www./', '', $myURL, 1); – shanehoban Jun 19 '14 at 9:50 1 ...
https://stackoverflow.com/ques... 

MySQL “WITH” clause

...t support common table expressions: Oracle 9i release 2 and later: http://www.oracle-base.com/articles/misc/with-clause.php Microsoft SQL Server 2005 and later: http://msdn.microsoft.com/en-us/library/ms190766(v=sql.90).aspx IBM DB2 UDB 8 and later: http://publib.boulder.ibm.com/infocenter/db2luw/v...
https://stackoverflow.com/ques... 

How to set the thumbnail image on HTML5 video?

...400" controls="controls" preload="metadata"> <source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4"> </video> share | improve this answer |...
https://stackoverflow.com/ques... 

Parse RSS with jQuery

... const rss = new RSS( document.querySelector("#your-div"), "http://www.recruiter.com/feed/career.xml", { // options go here } ); rss.render().then(() => { console.log('Everything is loaded and rendered'); }); Original post: You can also use jquery-rss, which come...
https://stackoverflow.com/ques... 

Configure nginx with multiple locations with different root folders on subdomain

... index.html; server_name test.example.com; root /web/test.example.com/www; location /static/ { alias /web/test.example.com/static/; } } The nginx wiki explains the difference between root and alias better than I can: Note that it may look similar to the root directive at first s...
https://stackoverflow.com/ques... 

Encoding URL query parameters in Java

...ng encoding) can help too. It follows the HTML form encoding application/x-www-form-urlencoded. URLEncoder.encode(query, "UTF-8"); On the other hand, Percent-encoding (also known as URL encoding) encodes space with %20. Colon is a reserved character, so : will still remain a colon, after encodi...