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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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What DSLs are not for

Domain specific languages are special programming languages. Each fits some special “domain” and makes the business code simpler. Using a DSL the business level problem can be implemented ...
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Using IntelliJ bookmarks

This is a quick post about IntelliJ’s nice bookmark feature. IntelliJ gives you the option to bookmark single lines of code. After a line has been bookmarked, you can use various ...
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A beginner’s guide to JPA/Hibernate flush strategies

Introduction In my previous post I introduced the entity state transitions Object-relational mapping paradigm. All managed entity state transitions are translated to associated database ...
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