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Krishnan Viswanath

Krishan Viswanath is currently working for JP
Morgan Chase & Co. in Kansas City, MO. He has over 10 years of experience in IT area.

 

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Recently I have been exploring the various security features in Glassfish AS. In this blog entry, I hope to share some of my initial findings related...

Switching the Java Persistence provider is straight forward and seamless if project /product uses Java Persistence API (EJB3.0) either as a standalone framework component or in a container managed...

Lately I have been tinkering with Glassfish and happened to look at the persistence API. The persistence API is based on the EJB 3.0 specification and is made available as a standalone component....

Often we see code like this.

   Connection conn = DriverManager
.getConnection("jdbc:mysql://localhost/springdao?user=vk&password=...

When I worked for a consulting firm I got an opportunity to work on a Strategy & Operations pursuit. The task was to fill up a 20 page MS Word report template with lots of data from MS Access...

One of the things that keep popping up often is a need to write batch programs that is started from command line. Every single time its always been either reinvent the wheel or copy/paste from old...

Always thought that the Hash implementations (table & map) used buckets that are prime in number. But recently, after digging around the source code to see what that default size resulted in a...