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Open Session In View Design Tradeoffs

The Open Session in View (OSIV) pattern gives rise to different opinions in the Java development community. Let’s go over OSIV and some of the pros and cons of this pattern.   The ...
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Building a simple RESTful API with Spark

Disclaimer: This post is about the Java micro web framework named Spark and not about the data processing engine Apache Spark. In this blog post we will see how Spark can be used to ...
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Out of memory: Kill process or sacrifice child

It is 6 AM. I am awake summarizing the sequence of events leading to my way-too-early wake up call. As those stories start, my phone alarm went off. Sleepy and grumpy me checked the ...
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Spring/Hibernate improved SQL logging with log4jdbc

Hibernate provides SQL logging out of the box, but such logging only shows prepared statements, and not the actual SQL queries sent to the database. It also does not log the execution ...
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Beauty and strangeness of generics

Recently, I was preparing for my Oracle Certified Professional, Java SE 7 Programmer exam and I happened to encounter some rather strange-looking constructions in the realm of generics ...
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Really Understanding Javascript Closures

This post will explain in a simple way how Javascript Closures work. We will go over these topics and frequently asked questions:What is a Javascript Closure What is the reason behind ...
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Performance Tuning of Spring/Hibernate Applications

For most typical Spring/Hibernate enterprise applications, the application performance depends almost entirely on the performance of it’s persistence layer. This post will go ...
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SQL Developer’s “Securely” Encrypted Passwords

Recently, while at one of our customers’ site, the customer and I needed to get access to a database. On my machine, I had stored the password, but the customer obviously didn’t ...
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7 New Tools Java Developers Should Know

                       Get ready to lock and load through this quick overview of some of the newest most innovative, tools ...
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Listing and filtering directory contents in NIO.2

There hasn’t been much happening in the area of listing directory contents until the release of Java 7. But since NIO.2 introduced a new way to do this it might be worth it to cover ...
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