Java
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File Upload Example in Servlet and JSP
Uploading File to server using Servlet and JSP is a common task in Java web application. Before coding your Servlet…
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ADF: URL Task Flow Call with HTTP POST Method
As we know a bounded task flow can be invoked by some URL either directly from a browser or from…
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A Simple Plugin System for Web Applications
We need to make multiple web-based projects with a lot of shared functionality. For that, some sort of a plugin…
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Observer Design Pattern in Java – Example Tutorial
Observer pattern is one of the behavioral design pattern. Observer design pattern is useful when you are interested in the…
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Custom Deserializer in Jackson and validation
tl;dr: it is important to add input validation to custom json deserializers in Jackson. In RHQ we make use of…
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Servlet 3.0 Overview
Servlet 3.0 – has a bunch of ground breaking features that will ultimately change how developers will code and write…
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Transactional caching for Camel with Infinispan
Some time ago I created a Redis connector for Camel. Redis is awesome key-value store (and a lot more) but…
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Iterator Design Pattern in Java – Example Tutorial
Iterator pattern in one of the behavioral pattern and it’s used to provide a standard way to traverse through a…
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Broken Glass : Diagnosing Production Cassandra Issues
I just past my second year anniversary at Health Market Science (HMS), and we’ve been working with Cassandra for almost…
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