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Difference between getPath(), getCanonicalPath() and getAbsolutePath() of File in Java

The File API is very important one in Java, since it gives access of File system to Java programs. Though Java’s file API is rich, there are lot of subtleties to know when you ...
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ADF: Popup, Dialog and Input Components

In this post I would like to focus on a very common use case when we have af:popup containing af:dialog with input components inside. There are a couple of pitfalls that we need to ...
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Strategies to migrate from an DAO library

In this post I will discuss several strategies to handle the following situation: You’re working on a legacy project that uses a company library with DBOs and DAOs for accessing ...
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But I’m negotiable

I review many emailed job applications each week that include a salary expectation, usually in the form of “seeking $X,000 per year“. Some continue with a phrase that has ...
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SQL Tip of the Day: Be Wary of SELECT COUNT(*)

Recently, I’ve encountered this sort of query all over the place at a customer site:                     DECLARE v_var NUMBER(10); BEGIN ...
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Java’s Volatile Modifier

A while ago I wrote a Java servlet Filter that loads configuration in its init function (based on a parameter from web.xml). The filter’s configuration is cached in a private field. ...
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Are You Using SQL PIVOT Yet? You Should!

Every once in a while, we run into these rare SQL issues where we’d like to do something that seems out of the ordinary. One of these things is pivoting rows to columns. A recent ...
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Default Methods: Java 8’s Unsung Heros

A few weeks ago I wrote a blog saying that developers learn new languages because they’re cool. I still stand by this assertion because the thing about Java 8 is it’s really ...
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Validation in java (javafx)

Validation is one thing that’s missing from the core javafx framework. To fill in this gap there is already a 3rd party validation library that’s present in controlsfx. However ...
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INTEL Perceptual Computing – RealSense Challenge 2014

           Perceptual Computing technology is redefining the boundaries between human and computer interaction. Intel invites you to claim your share ...
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