Software Development
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Why Non-Blocking?
I’ve been writing non-blocking, asynchronous code for the past year. Learning how it works and how to write it is…
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Law of Demeter and How to Work With It
The Law of Demeter is an interesting programming principle. It’s the only one I know of that has a near-mathematical…
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How to use SQL PIVOT to Compare Two Tables in Your Database
This can happen ever so easily. You adapt a table by adding a new column: …
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Code For the User, Not for Yourself
First, no matter what the methodology is, we all write software for our users (a.k.a. customers, project sponsors, end users,…
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Interpret Page Fault Metrics
A page fault occurs when a program requests an address on a page that is not in the current set…
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How to Extract a Date Part in SQL
The Modern SQL Twitter account (by Markus Winand) published a hint about how to extract a date part in SQL:…
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Quick, Cheap, Quality: choose two
It is old and common wisdom. Even printed on billboard of the mechanics shop where my car is usually repaired.…
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jOOQ vs. Slick – Pros and Cons of Each Approach
Every framework introduces a new compromise. A compromise that is introduced because the framework makes some assumptions about how you’d…
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JVM Pressure – Context Switching Overhead
Context Switching (CS) is a valuable service provided by the underlying Operating System. It prevents greedy processes from CPU hogging,…
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