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Mark Adelsberger

Mark is a software developer with the Keyhole team living in St. Louis. In addition to expertise surrounding Java and JavaScript technologies, Mark has spent time focused on data/ETL in his 17+ years of experience in both “start-up” and Fortune 500 organizations.

Web Development Business

SQL for Application Developers

Mark Adelsberger Articles, Databases, Development Technologies & Tools, Programming, SQL 3 Comments

Attention: This article was published over 9 years ago, and the information provided may be aged or outdated. While some topics are evergreen, technology moves fast, so please keep that in mind as you read the post.“SQL? Isn’t that just something my ORM tools use?” Often application developers can and should remain at least one level removed from SQL. JPA …

A JavaScript Unit Test Trap

Mark Adelsberger Articles, Development Technologies & Tools, JavaScript 3 Comments

Attention: This article was published over 10 years ago, and the information provided may be aged or outdated. While some topics are evergreen, technology moves fast, so please keep that in mind as you read the post.You’re a few months into writing a shiny new web app, and the team just settled on some new standards for data structures used …

JAXB – A Newcomer’s Perspective, Part 2

Mark Adelsberger Articles, Development Technologies & Tools, Java Leave a Comment

Attention: This article was published over 11 years ago, and the information provided may be aged or outdated. While some topics are evergreen, technology moves fast, so please keep that in mind as you read the post.In Part 1 of this series, I discussed the basics of loading data from an XML file into a database using JAXB and JPA. …

JAXB – A Newcomer’s Perspective, Part 1

Mark Adelsberger Articles, Development Technologies & Tools, Java 2 Comments

Attention: This article was published over 11 years ago, and the information provided may be aged or outdated. While some topics are evergreen, technology moves fast, so please keep that in mind as you read the post.I know what a lot of you are already thinking, so let’s get this out of the way: “JAXB? As in XML? Come on, …

Unit Testing in JavaScript

Mark Adelsberger Articles, HTML5, JavaScript, Testing 2 Comments

Attention: This article was published over 12 years ago, and the information provided may be aged or outdated. While some topics are evergreen, technology moves fast, so please keep that in mind as you read the post.JavaScript has come a long way. There was a time it was easily dismissed – maybe suitable for noncritical validations, but not much else. Over …