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Software Development
SQL: Counting Groups of Rows Sharing Common Column Values
In this post, I focus on using simple SQL SELECT statements to count the number of rows in a table…
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Software Development
Iterate over all keys in a Redis Cluster
Redis provides a neat command to iterate over all keys on a node. It’s the SCAN command that is used…
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Enterprise Java
12 Awesome Spring Data Tutorials to Kick-Start your Data Projects
Spring Data’s mission is to provide a familiar and consistent, Spring-based programming model for data access while still retaining the…
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DevOps
Docker meets Continuous Deployment
About one year ago I had my first contact with Docker. This new kid on the block promised to relieve…
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Software Development
Cohesion – The cornerstone of Software Design
Cohesion is one of the most important concepts in software design. Cohesion is at the core of the vast majority…
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Software Development
Give Enterprise APIs Visibility With Swagger And GrokOla
The Keyhole Labs team is excited to announce that GrokOla now offers Swagger integration. GrokOla users can now upload Swagger JSON…
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Software Development
Getting Started with rkt
This February, CoreOS announced that their rkt container runtime had graduated to version 1.0. rkt has come a long way…
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Agile
8 Steps For Effective User Stories
As a developer/tester I want to understand the user story So I can build/test it correctly. Mind you, this is…
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Core Java
Equality vs Identity?
When storing objects in a Set, it is important that the same object can never be added twice. That is…
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