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Are comments always wrong?

A colleague asked me recently: Why aren’t developers writing comments any more? He’d been looking through some code his team had written, and couldn’t understand it – he was ...
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Logging or debugging

Debugging is lame. You should debug log. If your code is structured you do not need debug logging. These are two opinions from the two ends of the line. I am, as usually, standing in ...
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IDE vs. Editor

Are you using an IDE, or an editor? Are you a “hardcore” programmer, or you are one of those sissy modern developers that use IDEs? Have you personalized your emacs or vim to make ...
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How to Eliminate Bugs Through High Cohesion

Intuition tells us that methods like these ones suffer from a distinct code smell:                     CompilationTask getTask( ...
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Using the AutoValue Code Generator in Eclipse

My colleague Moritz of EclipseSource recently came across Google Auto, a collection of Java code generators. AutoValue is one of them and generates Java code for immutable objects. ...
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Apache Cassandra steaming through 2.1 Release

Apache Cassandra is a high performance database system used in an ever growing number of enterprise companies to whom scalability is of major importance. For instance, Netflix, ebay, ...
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Why shouldn’t I test private methods?

Newcomers to TDD ask some interesting questions, here’s one I was asked recently: testing private methods is bad, but why? How did we get here? If you’re trying to test private ...
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Big data: when single node is better than clustered

There’s a lot of hype about “big data” and a general trend to try to apply Hadoop to almost every problem. However, sometimes it turns out that you can get much better results ...
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Decision making, problem solving, introducing ideas, being influencial

Usually when people think about software development, they just have the typical nerds in mind, shy but smart, introvert people sitting in (often) dark rooms hammering down obscure ...
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Use KISS consciously

A while ago I wrote about few design paradigms to keep in mind when designing and implementing a certain component. Among them, the famous K.I.S.S. (Keep It Simple, Stupid) kept on ...
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