jone kim

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since Aug 09, 2014
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Recent posts by jone kim

Thanks a lot!!! When I changed the type to "submit" it solved the problem. But please can you explain why type="button" was not working?
6 years ago
I am trying to post form data from JSP page to servlet. I've put the logic inside doPost method. But when I click the submit button, the data is not posted in servlet class. Neither I am getting any error message in the console nor the System.out.println("Post method called..."); message is printed in the console. It seems that the doPost() method is not called when the submit button is pressed. I can not understand what is wrong with the code.

Servlet code

Web.xml file configuration
6 years ago
I've to build on Java Bean application and so was searching for downloading the Bean Box. But by no means I can found the correct link for downloading the BeanBox.
Please can anyone help me from where can I download BeanBox. I've got the link http://java.sun.com/products/javabeans/software but it is redirecting to another page. Please help!!!
Thank You!!!
6 years ago
Thank you guys for your valuable suggestion. Especially to Rob. I am started with the basics of JTable. After learning that if I've any problem I'll share with this forum. Thank You!!!
6 years ago
I am trying to populate JTable with database values. But my JTable is not appearing in the screen. I can not understand the cause of the problem. I've already implemented the Connection class, it is working fine.
Since I am new to JAVA, I can not get idea what is the cause of this problem. I am not getting any exception message also. Please help me, I am completely new to JAVA.  I've used Eclipse, Window Builder Swing to create the UI.

6 years ago
I am new to HADOOP as well as JAVA.
While I was looking into the "WordCount" problem, I was confused with the use of generics in the WordCountMapper Class.
The Class looks like:



I know that the Generics is used here to assign KEY VALUE pair for mapper input and output. But I want to know what is the advantage of using GENERICS for assigning KEY VALUE pairs.
Is this the only way to assign KEY VALUE pair for the mapper class. Please explain in details.

Thanks!
9 years ago
Hello All,

Please can any one list me the most useful and important linux commands we should know to work with HADOOP.

Thanks!
9 years ago
can we use HADOOP for health care data analysis.

Data behaviour like:

demographic information of members

medical & pharmacy claims of the members.


So these data are raw data for health care analysis which is somewhat unstructured. Can we use these data to process with HADOOP & give the customer a clear analysis of their members claims and pharmacy claims analysis.
9 years ago
I want to learn HADOOP but do not have idea from where to start.

I've currently joined big data university and downloaded the course of "big data fundamentals" and "hadoop funddamental V3".

Please suggest me how to get started with learning HADOOP step by step. Am i in the right track or not?

What are the good tutorials and practices to start learning hadoop?

Thanks!!!
9 years ago
Hello,

When i copied and pasted the link in new tab, it is showing 404 error page. Please post the correct link.
9 years ago
JSF
Hi,

I am new to JSF. I am looking for a sample example to work with JSF using MVC framework. I searched on the net but can not found any simple examples to start with, JSF + MVC.

Can anyone suggest me some good examples to work with simple examples for JSF + MVC.

It will be really helpful for me.

Thank You All!!!
9 years ago
JSF