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on select box change reload same page.

   <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.0/jquery.min.js"></script>                     <script src="js/jquery-1.7.2.min.js" type="text/javascript"></script>                     <script type="text/javascript"> $(document).ready(function() {     $("#currency").change(function() { var id = $(this).val();         $.ajax({             url: 'current.jsp',             type: 'POST',             data:{'id':$(this).val()},             success: function(data)             {         location.reload();             }         });     }); }); </script>  <select name="currency" style="height:20px;font-size:9px;margin:-7px -2px -13px 5px;   padding:3px 12px 2px 17px;" id="currency">             <option value="">Select Currency</option> Check this for live t
Image

print a div through javascript.

<script type="text/javascript">         $("#btnPrint").live("click", function () {             var divContents = $("#dvContainer").html();             var printWindow = window.open('', '', 'height=400,width=800');                       printWindow.document.write(divContents);                       printWindow.document.close();             printWindow.print();         }); </script>

hidden div.

<div id="dvContainer" style="display: none;visibility: hidden; background-color:#F00; width:1000px; height:1000px;"> </div>

MyLinear Search.

public class MyLinearSearch {     public static int linerSearch(int[] arr, int key){                 int size = arr.length;         for(int i=0;i<size;i++){             if(arr[i] == key){                 return i;             }         }         return -1;     }         public static void main(String a[]){                 int[] arr1= {23,45,21,55,234,1,34,90};         int searchKey = 34;         System.out.println("Key "+searchKey+" found at index: "+linerSearch(arr1, searchKey));         int[] arr2= {123,445,421,595,2134,41,304,190};         searchKey = 421;         System.out.println("Key "+searchKey+" found at index: "+linerSearch(arr2, searchKey));     } }

Give Url to ur servlet through @WebServlet(name = "Controller", urlPatterns = {"/Controller"})

@WebServlet(name = "Controller", urlPatterns = {"/Controller"}) public class Controller extends HttpServlet { protected void processRequest(HttpServletRequest request, HttpServletResponse response) { }  protected void doGet(HttpServletRequest request, HttpServletResponse response)             throws ServletException, IOException {         processRequest(request, response);     } protected void doPost(HttpServletRequest request, HttpServletResponse response)             throws ServletException, IOException {         processRequest(request, response);     } }

remove .jsp extension through web.xml

<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">     <servlet>         <servlet-name>New</servlet-name>         <servlet-class>Connect.New</servlet-class>     </servlet>     <servlet-mapping>         <servlet-name>New</servlet-name>         <url-pattern>/New</url-pattern>     </servlet-mapping>     <servlet>     <servlet-name>login</servlet-name>     <jsp-file>/login.jsp</jsp-file>  </servlet>  <servlet-mapping>      <servlet-name>login</servlet-name>      <url-pattern>/login</url-pattern>  </servlet-mapping>    <servlet>     <ser

Hello World in springs

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd"> <bean id="dao" class="naveen.Dao"> <property name="name" value="Naveen" /> </bean> </beans>

Dependency Inject in springs

Interface. package depend; public interface Naveen { public void printe(); } Class package depend; public class Jyoti implements Naveen { @Override public void printe() { System.out.print("Naveen && Jyoti"); } } Helper Class package depend; public class Output { Naveen naveen; public void setNaveen(Naveen naveen) { this.naveen = naveen; }  public void printe()  { naveen.printe();  } } applicationContext.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd"> <bean id="dao" class="na

@import in springs examples.

package multiconfig; public class Naveen { public void print(String msg) { System.out.print("Naveen"+msg); } } package multiconfig; public class Jyoti { public void print(String msg) { System.out.print("Naveen"+msg); } } package multiconfig; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class Naveenconfig { @Bean(name="naveen") public Naveen n() { return new Naveen(); } } package multiconfig; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class Jyoticonfig { @Bean(name="jyoti") public Jyoti j() { return new Jyoti(); } } package multiconfig; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotatio

@Configuration,@Bean(name="helloBean") in springs example,this is remove configuration through xml into java class.

package javaconfig; public interface HelloNaveen { void print(String msg); } its implementation class package javaconfig; public class Hello implements HelloNaveen { @Override public void print(String msg) { System.out.println("Hello"+msg); } } package javaconfig; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Bean; @Configuration public class Appconfig { @Bean(name="helloBean") public HelloNaveen hello1() { return new Hello(); } } package javaconfig; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.AnnotationConfigApplicationContext; public class Main { public static void main(String[] args) { ApplicationContext tx=new AnnotationConfigApplicationContext(Appconfig.class); Hello h=(Hello)tx.getBean("he

Hello World in springs

applicationContext.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd"> <bean id="dao" class="naveen.Dao"> <property name="name" value="Naveen" /> </bean> </beans> package naveen; public class Dao { public String name; public String getName() { return name; } public void setName(String name) { this.name = name; } public void print() { System.out.print("Hello"+name); } } package main; import naveen.Dao; import org.springframework.context.ApplicationContext; import org.springframework.context.support

The libs.CopyLibs.classpath property is not set up. This property must point to

libs.CopyLibs.classpath=C\:/Program Files/NetBeans 8.0/java/ant/extra/org-netbeans-modules-java-j2seproject-copylibstask.jar set this in yor netbeans  go to netbeans tools>options> java tab and add properties libs.CopyLibs.classpath=C\:/Program Files/NetBeans 8.0/java/ant/extra/org-netbeans-modules-java-j2seproject-copylibstask.jar 

Order By in mysql.

select * from inventory order by Product_Name

create pdf of jpanel through itext.jar

 try   {     Document document   = new Document();     PdfWriter writer    = PdfWriter.getInstance(document, new FileOutputStream("e:/test.pdf"));     document.open();     PdfContentByte contentByte = writer.getDirectContent();     PdfTemplate template = contentByte.createTemplate(jPanel10.getWidth(), jPanel10.getHeight());     Graphics2D g2 = template.createGraphics(jPanel10.getWidth(), jPanel10.getHeight());     jPanel10.print(g2);     g2.dispose();     contentByte.addTemplate(template, 5, 60);     document.close();   }   catch(Exception e)   {       System.out.println(e);   }