About Tomasz Nurkiewicz
Java EE developer, Scala enthusiast. Enjoying data analysis and visualization. Strongly believes in the power of testing and automation.
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Implementing custom Future
Last time we learned the principles behind java.util.concurrent.Future<T>. We also discovered that Future<T> is typically returned by libraries or frameworks. But there ...
java.util.concurrent.Future basics
Hereby I am starting a series of articles about future concept in programming languages (also known as promises or delays) with a working title: Back to the Future. Futures are very ...
Breaking build is not a crime
For years I’ve been taught that breaking continuous integration build is something that should be avoided under all circumstances. Let me first quote few classics. Uncle Bob in ...
Don’t rely on unit tests alone
When you are building a complex system, barely testing components in isolation is not enough. It’s crucial, but not enough. Imagine a car factory that manufactures and imports ...
How aggressive is method inlining in JVM?
Ctrl + Alt + M is used in IntelliJ IDEA to extract method. Ctrl + Alt + M. It’s as simple as selecting a piece of code and hitting this combination. Eclipse also has it. I hate ...
Spring Data JDBC generic DAO implementation – most lightweight ORM ever
I am thrilled to announce first version of my Spring Data JDBC repository project. The purpose of this open source library is to provide generic, lightweight and easy to use DAO implementation ...
Probability distribution for programmers
This is one of these very simple programming puzzles I came across recently: given a function returning random integers from 0 to 4 inclusive with equal probability, write a function ...
@Cacheable overhead in Spring
Spring 3.1 introduced great caching abstraction layer. Finally we can abandon all home-grown aspects, decorators and code polluting our business logic related to caching. Since ...
Forcing Tomcat to log through SLF4J/Logback
So you have your executable web application in JAR with bundled Tomcat (make sure to read that one first). However there are these annoying Tomcat logs at the beginning, independent ...
Standalone web application with executable Tomcat
When it comes to deploying your application, simplicity is the biggest advantage. You’ll understand that especially when project evolves and needs some changes in the environment. ...
