Software Development
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Between 0 and 1 ā PWM with Raspberry Pi
Switch on and off an LED and let run a motor at one speed and direction is easy, but what…
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Donāt Miss out on Awesome SQL Power with FIRST_VALUE(), LAST_VALUE(), LEAD(), and LAG()
If youāre using a commercial database or PostgreSQL / Firebird / CUBRID, you will be able to take advantage of…
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What is your “x”? The technical details about the Devoxx Keynote Demo
If everything went fine, I just got off the stage and ended the demo part of Mike’s (@mpiech) demo.We talked…
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Donāt Migrate to MariaDB just yet. MySQL is Back!
Now that I have your attention, Iād like to invite you to a critical review of where weāre at in…
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Development Overhead
What does a developer spend his time on? Writing code, debugging, thinking and communicating with colleagues (that includes meetings). Anything…
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Painless Access from Java to PL/SQL Procedures with jOOQ
PL/SQL is one of those things. Most people try to stay clear of it. Few people really love it. I…
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Pair Programming for Team Building
Extreme programming (XP) introduced most people to pair programming. The theory was that the sooner that code was reviewed, the…
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Have You Ever Wondered About the Difference Between NOT NULL and DEFAULT?
When writing DDL in SQL, you can specify a couple of constraints on columns, like NOT NULL or DEFAULT constraints.…
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Guess, donāt measure
I have lost count in how many occasions I have recommended to start all performance tuning activities by setting goals…
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