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You Probably Don’t Need a Message Queue

I’m a minimalist, and I don’t like to complicate software too early and unnecessarily. And adding components to a software system is one of the things that adds a significant amount ...
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Step By Step Path to Becoming a Great Software Developer

I get quite a few emails that basically say “how do I become a good / great software developer?” These kinds of emails generally tick me off, because I feel like when you ask this ...
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Getting Started with Gradle: Dependency Management

It is challenging, if not impossible, to create real life applications which don’t have any external dependencies. That is why dependency management is a vital part of every software ...
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Making operations on volatile fields atomic

Overview The expected behaviour for volatile fields is that they should behave in a multi-threaded application the same as they do in a single threaded application.  They are not forbidden ...
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10 things you can do as a developer to make your app secure: #7 Logging and Intrusion Detection

This is part 7 of a series of posts on the OWASP Top 10 Proactive Development Controls: 10 things you can do as a developer to make your app secure. Logging and Intrusion Detection Logging ...
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Using @NamedEntityGraph to load JPA entities more selectively in N+1 scenarios

The N+1 problem is a common issue when working with ORM solutions. It happens when you set the fetchType for some @OneToMany relation to lazy, in order to load the child entities only ...
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Spring 4: CGLIB-based proxy classes with no default constructor

In Spring, if the class of a target object that is to be proxied doesn’t implement any interfaces, then a CGLIB-based proxy will be created. Prior to Spring 4, CGLIB-based proxy classes ...
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Do You Encourage People to Bring You Problems?

One of the familiar tensions in management is how you encourage or discourage people from bringing you problems. One of my clients had a favorite saying, “Don’t bring me problems. ...
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Locking and Logging

Plumbr has been known as the tool to tackle memory leaks. As little as two months ago we released GC optimization features. But we have not been sitting idle after this – for months ...
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Java EE7 and Maven project for newbies – part 7

Resuming from the previous parts Part #1, Part #2, Part #3, Part #4, Part #5 , Part #6 In the previous post (num 6) we discovered how we can unit test our JPA2 domain model, using ...
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