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How To Test Your Tests

When we write tests, we focus on the scenario we want to test, and then write that test. Pretty simple, right? That’s how our minds work. We can’t focus on many things at the same ...
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Do Software Developers Really Need Degrees?

When I first started out my career as a software developer, I didn’t have a degree. I took my first real job when I was on summer break from my first year of college. By the time ...
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Mapping your Entities to DTO’s Using Java 8 Lambda expressions

We all facing the cluttered overhead code when we need to convert our DTO’S to Entities(Hibernate Entities, etc..) and backwards. In my example ill demonstrate how the code is getting ...
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Use Cases for Elasticsearch: Document Store

I’ll be giving an introductory talk about Elasticsearch twice in July, first at Developer Week Nürnberg, then at Java Forum Stuttgart. I am showing some of the features of Elasticsearch ...
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Making the Reactive Queue durable with Akka Persistence

Some time ago I wrote how to implement a reactive message queue with Akka Streams. The queue supports streaming send and receive operations with back-pressure, but has one downside: ...
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Common mistakes when using Spring MVC

 When I started my career around 10 years ago, Struts MVC was the norm in the market. However, over the years, I observed the Spring MVC slowly gaining popularity. This is not a surprise ...
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How We Chose Framework

When you develop your application most of the time you are writing code that deals with some of the resources. Code lines that open database connection, allocate memory and alikes. ...
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10 things you can do as a developer to make your app secure: #8 Leverage other people’s Code (Carefully)

As you can see from the previous posts, building a secure application takes a lot of work. One short cut to secure software can be to take advantage of the security features of your ...
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Java EE Concurrency API Tutorial

This is a sample chapter taken from the Practical Java EE 7 development on WildFly book edited by Francesco Marchioni. This chapter discusses about the new Java EE Concurrency API (JSR ...
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Explicit Implicit Conversion

One of the most common pattern we use on our day to day is converting objects from one type of object to another. The reasons for that are varied; one reason is to distinguish between ...
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