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Showing posts with the label JSP

How to disable default success message in portlet?

Just have to add below lines in portlet.xml file inside <portlet>....</portlet> tag. <init-param> <name>add-process-action-success-action</name> <value>false</value> </init-param>
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How to get context path in JQuery?

Suppose you want to get your context path in JS/JQuery on clicking an Button like, In JSP/HTML:- <input type="button" id="myButton"> In JQuery :- $('# myButton ').click(function() { console.log( myC ontextPath ); }); Then you can pass values to JS/JQuery as, <input type="button" id="myButton" myContextPath="${pageContext.request.contextPath}"> Then in JS/JQuery you can write as, $('# myButton ').click(function() {         var  myC ontextPath  = $(this).attr(' myC ontextPath '); console.log( myC ontextPath ); });
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How to clear cache programmatically in JSP?

By adding below lines in JSP page we can achive this: <%              response.setHeader("Cache-Control","no-cache"); //HTTP 1.1              response.setHeader("Pragma","no-cache"); //HTTP 1.0              response.setDateHeader ("Expires", 0); //prevents caching at the proxy server   %> Other solution is by adding below lines in <head></head> of your JSP page: <meta http-equiv="Pragma" content="no-cache"> <meta http-equiv="Cache-Control" content="no-cache"> <meta http-equiv="Expires" content="Sat, 01 Dec 2001 00:00:00 GMT">
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How to refresh JSP page automatically after each time period?

<%@ page import="java.io.*,java.text.*,java.util.*"%> <html> <head> <title>Auto Refresh Header Example</title> </head> <body> <h2>Auto Refresh Header Example</h2> <% // Page will be auto refresh after 1 second response.setIntHeader("Refresh", 1); // Get Current Time DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss"); Calendar cal = Calendar.getInstance(); out.println(dateFormat.format(cal.getTime())); %> </body> </html>
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