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Showing posts from April, 2015

How to calculate time difference between a given time and current time in Java?

SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss"); Date date = dateFormat.parse("17:40:00"); System.out.println(date); Date date2 = new Date(); date2 = dateFormat.parse(dateFormat.format(date2)); System.out.println(date2); Calendar calendar = Calendar.getInstance(); calendar.setTime(date); Calendar calendar2 = calendar.getInstance(); calendar2.setTime(date2); System.out.println((calendar2.getTimeInMillis() - calendar.getTimeInMillis())/60000);

How to check JVM settings?

You can use below command to check all detailed settings of JVM on linux as well as windows: # java -XshowSettings:all If everything goes well then OUTPUT can be like: VM settings:     Max. Heap Size (Estimated): 1.76G     Ergonomics Machine Class: client     Using VM: Java HotSpot(TM) 64-Bit Server VM Property settings:     awt.toolkit = sun.awt.windows.WToolkit     file.encoding = Cp1252     file.encoding.pkg = sun.io     file.separator = \     java.awt.graphicsenv = sun.awt.Win32GraphicsEnvironment     java.awt.printerjob = sun.awt.windows.WPrinterJob     java.class.path = .     java.class.version = 52.0     java.endorsed.dirs = C:\Program Files\Java\jre1.8.0_31\lib\endorsed     java.ext.dirs = C:\Program Files\Java\jre1.8.0_31\lib\ext         C:\Windows\Sun\Java\lib\ext     java.home = C:\Program Files\Java\jre1.8.0_31     java.io.tmpdir = C:\Users\Neosoft\AppData\Local\Temp\     java.library.path = C:\ProgramData\Oracle\Java\javapath         C:\Window

Simple pagination example using JQuery, CSS, HTML.

HTML: <ul class="records">     <li><div>record 1</div></li>     <li><div>record 2</div></li>     <li><div>record 3</div></li>     <li><div>record 4</div></li>     <li><div>record 9</div></li>     <li><div>record 10</div></li>     <li><div>record 11</div></li>     <li><div>record 12</div></li>     <li><div>record 13</div></li> </ul> <ul class="pagination">     <li><a class="prev" href="#">prev</a></li>     <li><a class="pagenum" href="#">1</a></li>     <li><a class="pagenum" href="#">2</a></li>     <li><a class="pagenum" href="#">3</a></li>     <