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The next IT revolution: micro-servers and local cloud

Have you ever counted the number of Linux devices at home or work that haven’t been updated since they came out of the factory? Your cable/fibre/ADSL modem, your WiFi point, television ...
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Named parameters in Java

Creating a method that has many parameters is a major sin. Whenever there is need to create such a method, sniff in the air: it is code smell. Harden your unit tests and then refactor. ...
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Managers Manage Ambiguity

I was thinking about the Glen Alleman’s post, All Things Project Are Probabilistic. In it, he says, Management is Predictionas a inference from Deming. When I read this quote, If ...
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PL/SQL backtraces for debugging

For many PL/SQL developers, this might be common sense, but for one of our customers, this was an unknown PL/SQL feature: Backtraces. When your application raises an error somewhere ...
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Metrics: Good VS Evil

Pop quiz: What do earned value, burn-down charts, and coverage reports have in common? They are all reporting a metric, sure. But you could have gotten that from the title. Let’s ...
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Java Numeric Formatting

I can think of numerous times when I have seen others write unnecessary Java code and I have written unnecessary Java code because of lack of awareness of a JDK class that already provides ...
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Programming Language Job Trends Part 1 – August 2014

It is time for the August edition of the programming language job trends! The response to the language list changes was definitely positive, so things will be stable for this edition. ...
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Java Concurrency Tutorial – Thread-safe designs

After reviewing what the main risks are when dealing with concurrent programs (like atomicity or visibility), we will go through some class designs that will help us prevent the aforementioned ...
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Integrating jOOQ with PostgreSQL: Partitioning

Introduction jOOQ is a great framework when you want to work with SQL in Java without having too much ORM in your way. At the same time, it can be integrated into many environments ...
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Feature Toggles (Feature Switches or Feature Flags) vs Feature Branches

Feature Branches If you are using branches, you are not doing Continuous Integration / Deployment / Delivery! You might have great Code Coverage with unit tests, you might be doing ...
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