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Debugging Web-application deployed on Tomcat using Eclipse
Hello, This small article will walk you through the steps needed to setup the Eclipse environment for debugging Web application deployed on Tomcat server. I have used Tomcat 6.0.18 and Eclipse Ganymede...
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Using Java Enums to replace conditional (IF) statements.
Hello, Recently I was using Java Enumerations for addressing some requirements and while doing that I realized that one can write a much better and maintainable code using Enums. I got rid of lot of...
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Dependency Injection and Using Struts Actions as Spring Beans
Hello, I had created this presentation earlier to mentor my team members about Spring Dependency Injection fundamentals and explaining approach to integrate Struts 1.3 Action classes and Spring...
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Webapp generated Excel Spreadsheet opens in same browser window – IE6
Hello, While working on a web application that generates Excel spreadsheets , I faced the issue mentioned below. Issue: Sometimes the spreadsheet is opened up in a new MS-Excel application window and...
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Decoupling Java applications and config/properties files
Hello, I have been developing a stand-alone Java application packaged as an executable JAR file. The application had, Database interaction using iBatis APIs. Log the various activities in a log file...
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Intercepting HTTP Response using Servlet Filter
Hello, Servlet Filters are used to intercept the HTTP Requests/HTTP Responses. Filters generally contain some logic that can be applied across a URL pattern. I have used filters generally to verify if...
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Serialization – Compatible and Incompatible modifications to classes
Hello, Java Serialization allows us to write an Object into byte stream and again re-construct its state whenever needed. In between Serialization and De-serialization the class definition might get...
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Producer-Consumer using Java Threads – wait,notifyAll
Hello, In Java , threads communicate with each other using “wait,notify and notifyAll” APIs. Producer-Consumer is the classic example to explain these APIs. The example below tries to show how we can...
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Polymorphism without Inheritance
Can Polymorphism exist without Inheritance? “Abstraction“, “Encapsulation“, “Inheritance” and “Polymorphism” forms the basic building blocks of OOA&D. We are so much overwhelmed by these facts that...
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iBatis or Hibernate ?
Hello, I have been thinking to write this one since long. It almost now took 10 months to write the new blog entry. In this one I will be talking about the iBatis and Hibernate. I purposely did not...
View ArticleBig O notation
Hello, Came across a very nice introductory article on Big O notation. https://rob-bell.net/2009/06/a-beginners-guide-to-big-o-notation/
View ArticleRunning Apache Spark on Windows
Running hadoop on windows is not trivial, however running Apache Spark on Windows proved not too difficult. I came across couple of blogs and stackoverflow discussion which made this possible. Putting...
View ArticleBig + Far Math Challenge @ ICC
Hello, Recently I participated and won First prize in Big Far Math challenge hosted by ICC. The challenge description can be found here – http://big-far.webflow.io/ Participating in it was a quite...
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