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Everybody Knows About MVC…

From a recent blog, you may have gathered that I’ve recently been conducting some interviews and as they were for web application developers a question I asked was “can you explain ...
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Scala Tutorial – scripting, compiling, main methods, return values of functions

Preface This is part 10 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the links ...
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Java RESTful API integration testing

This post will focus on basic principles and mechanics of writing Java integration tests for a RESTful API (with a JSON payload). The goal is to provide an introduction to the technologies ...
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Spring & Quartz Integration with Custom Annotation, the SPANN way

In a previous post, we demonstrated how to create and configure Quartz jobs with annotations in a Spring container. We used a class-level annotation to add some metadata to a bean which ...
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Log4j, Stat4j, SMTPAppender Integration – Aggregating Error Logs to Send Email When Too Many

Our development team wanted to get notified as soon as something goes wrong in our production system, a critical Java web application serving thousands of customers daily. The idea ...
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What are procedures and functions after all?

Many RDBMS support the concept of “routines”, usually calling them procedures and/or functions. These concepts have been around in programming languages for a while, also outside ...
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The new Java Caching Standard (javax.cache)

This post explores the new Java caching standard: javax.cache. How it Fits into the Java Ecosystem This standard is being developed by JSR107, of which the author is co-spec lead. JSR107 ...
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Java Secret: Loading and unloading static fields

OVERVIEW To start with it is natural to assume that static fields have a special life cycle and live for the life of the application. You could assume that they live is a special place ...
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Weird Funny Java!

Sometimes we can do really weird and funny things with Java; Some other times we are just being creative! Take a look at the following three examples and you will find out what I mean! Have ...
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Testing GWT Apps with Selenium or WebDriver

Good functional testing is one of the most difficult tasks for web application developers and their teams. It is a challenge to develop tests that are cheap to maintain and yet provide ...
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