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Good Developer, Bad Developer

I recently read Ben Horowitz’s piece on the importance of training people in startup companies. At the end of this article he put together a document “Good Product Manager, Bad ...
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Scala function literals

Functions are an important part of the Scala language. Scala Functions can have a parameter list and can also have a return type. So the first confusing thing is what’s the difference ...
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Data Warehouse Design Approaches

In our previous posts we have got to learn about Data Warehousing Objects, different kinds of Data Warehouse schemas and Data Warehouse Basics. Now it time we learn about how to build ...
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Spring Dynamic Language Support with Groovy

Groovy is a dynamic and object-oriented programming language running on JVM. It uses a syntax like Java, can be embedded in Java and is compiled to byte-code. Java code can be called ...
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Testing Spring Data MongoDB Applications with NoSQLUnit

Spring Data MongoDB is the project within Spring Data project which provides an extension to the Spring programming model for writing applications that uses MongoDB as database. To ...
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Optimizing Neo4j Cypher queries

Last week, I spent a good number of hours trying to optimize around 20 Cypher queries that were performing disastrously(36866ms to 155575ms) with data from a live system. After some ...
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SLF4J Logging in Eclipse Plugins

Developing with Maven and pure Java libraries all the time, I never thought it could be a problem to issue a few log statements when developing an Eclipse plugin. But it looks like ...
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Be Careful With Cache Managers

If you are using spring and JPA, it is very likely that you utilize ehcache (or another cache provider). And you do that in two separate scenarios: JPA 2nd level cache and spring method ...
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Inferred exceptions in Java

It’s always nice to borrow and steal concepts and ideas from other languages. Scala’s Option is one idea I really like, so I wrote an implementation in Java. It wraps an object ...
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Java Code Geeks Rebranded

Hello all and happy new year! During the past few weeks you might have noticed some changes here in Java Code Geeks. We have recently finished rebranding and restyling our site! We ...
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