Software engineering, software architecture, and SEO Posts

An example of the JDataFrame API being used to convert some data in Groovy into JSON that can then be converted into a data frame in the R Project for Statistical Computing via the RJSONIO library.

JDataFrame API: Easily move data from Java to R

Post author:thospfuller
Post published:January 30, 2022
Post category:Java jsonlite R Project rjson RJSONIO Software Engineering tidyjson
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The JDataFrame API is middleware that is used to convert data in Java into a data frame in the R Project for Statistical Computing.

On Friday, May 22nd 2020, Erik Brandsberg, Chief Technical Officer (CTO) of Heimdall Data, reviewed the Heimdall Distributed Database Proxy.

Learn how to deliver faster, more reliable, & secure content

Post author:thospfuller
Post published:May 20, 2021
Post category:AWS Case Studies Cloud Examples Java Java Performance Engineering Software Engineering Uncategorized
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On Friday, May 22nd 2020, Erik Brandsberg, Chief Technical Officer (CTO) at Heimdall Data, reviewed the Heimdall Distributed Database Proxy (HD). The Heimdall Distributed Database Proxy is a SQL platform for application developers, database administrators, and infrastructure owners. Heimdall helps organizations deliver faster, more reliable, and secure content generation.

This event hosted by the Washington DC CTO Meetup Group and was presented by Erik Brandsberg, CTO of Heimdall Data.

Scaling Beyond PostgreSQL Pg-Bouncer & Postgres Pg-Pool-II: Advanced Traffic Management (2021)

Post author:thospfuller
Post published:May 14, 2021
Post category:Uncategorized
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In this presentation Erik Brandsberg, Chief Technical Officer at Heimdall Data, highlights several deficiencies of PostgreSQL PgBouncer and Postgres Pgpool-II and proposes solutions that improve Postgres database performance and scale.

A beautiful butterfly.

A simple Redis pub/sub client written in Groovy and using Jedis

Post author:thospfuller
Post published:April 11, 2021
Post category:Examples Software Engineering
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Article demonstrates a Groovy script running with Jedis and receiving updates from Redis.

Exploring the ghost town of Prypiat.

How to Fix the og:image Open Graph Meta Tags are Missing Critical Issue (with pictures)

Post author:thospfuller
Post published:December 25, 2020
Post category:Image Optimization Search Engine Optimization SEO Social Media Technical SEO
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In this article we'll take a brief look at the Open Graph Protocol, the og:image meta tag, and we'll review how to identify missing open graph tags and how to fix this issue. Finally, we'll take a look at the Facebook for Developers: Sharing Debugger tool, test several pages, and address an image size issue.

A time-lapsed picture of cars on a highway.

Quickly Connect to an EC2 Instance deployed in a VPC using the AWS Systems Manager Session Manager

Post author:thospfuller
Post published:December 18, 2020
Post category:AWS Software Engineering
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This article provides a solution for users who need to connect to an Amazon EC2 instance which has been deployed in a Virtual Private Cloud using the AWS Systems Manager Session Manager.

A bunch of peas in a pod (thanks to @jruscello on Unsplash)

Learn How to Mount a Local Drive in a Pod in minikube (2021)

Post author:thospfuller
Post published:December 9, 2020
Post category:Kubernetes minikube
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Explore the full problem and review a fully working solution as it pertains to mapping a local directory to a directory in a pod running in Minikube.

Read more about the article Easy Kubernetes Metrics Server Install in minikube in Five Steps and avoid wasting time on unexpected x509 certificate validation errors

The Yang Ming Elixir Shipping Vessel loaded with many containers. Thanks to @diegitane on unsplash.com.

Easy Kubernetes Metrics Server Install in minikube in Five Steps and avoid wasting time on unexpected x509 certificate validation errors

Post author:thospfuller
Post published:November 29, 2020
Post category:CKAD Kubernetes minikube
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This article addresses an issue with a Kubernetes Metrics Server install on Minikube which isn't working due to an x509 certificate validation error caused by missing IP SANs.

Answers to 5 Kubernetes CKAD Practice Questions which could also be used as possible Kubernetes interview questions.

Quickly Solve Five Kubernetes CKAD Practice Questions Now (2021)

Post author:thospfuller
Post published:November 9, 2020
Post category:CKAD Kubernetes
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We review five questions as they pertain to the Certified Kubernetes Application Developer (CKAD) exam and include answers along with commentary and verification that the solution works.

Have you scheduled your AWS Certified Solutions Architect Associate Certification exam? Add the date to your calendar!

How to Pass the AWS Certified Solutions Architect Associate Certification Exam‎

Post author:thospfuller
Post published:October 11, 2020
Post category:AWS Cloud Software Engineering
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In my opinion, practice exams and tests are a very important tool to use when studying for this exam and this article includes 17 links to exams, quizzes, and tests to assist you in your effort.