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Working with the Array Data Type in a Table

In this post I would like to follow up on my previous article about Oracle collection data types and I am going to focus on working with oracle.jbo.domain.Array attributes in af:table ...
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How to Convert Byte Array to InputStream and OutputStream in Java

Are you stuck with your coding because you have a byte array and next method in chain needs an InputStream? don’t worry Java has solution for that, You can use ByteArrayInputStream ...
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Flexy Pool, reactive connection pooling

Introduction When I started working on enterprise projects we were using J2EE and the pooling data source was provided by the application server.Scaling up meant buying more powerful ...
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Introducing JCG Academy – Get schooled by the Java Code Geeks

Dear fellow geeks, it is with great honour that we announce the launch of JCG Academy. JCG Academy is a subscription based site that will work complementary with our existing main site ...
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Using Http Session with Spring based web applications

There are multiple ways to get hold of and use an Http session with a Spring based web application. This is a summarization based on an experience with a recent project. Approach 1 Just ...
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Playing with Java 8 – Lambdas and Concurrency

So Java 8 was released a while back, with a ton of features and changes. All us Java zealots have been waiting for this for ages, all the way back to from when they originally announced ...
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Storm event processor – GC log file per worker

In the last three months, I am working with a new team building a product for Big Data analytics on Telecom domain. Storm event processor is one of the main frameworks we use and it ...
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Development “Methodologies”

Below are several development “methodologies” that are popular and even industry-standard: Hype-Driven Development – you are either a startup, or you are given the freedom to ...
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Jibx Jersey2 Integration

Jersey2 provides inbuilt support for Jackson and JAXB. But Jibx is not supported by default. To use Jibx in conjunction with Jersey2, we are taking the XML input as a stream and after ...
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Knowing the bits

We use complex systems. My mother once said that there could be little leprechauns behind the TV screen redrawing the screen 50 times a second she could not care. (At least she new ...
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